Avoid `::result_type` for partial sums in TBB reduce_by_key #1998

bernhardmgruber · 2024-07-17T10:53:29Z

This allows us to get rid of partial_sum_type in the TBB backend for reduce_by_key with no iniital value, which still uses the C++11-deprecated function object API ::result_type.

This is potentially a breaking change, because users could, e.g., reduce a large sequence of int8 using a binary function advertising a ::result_type of int64, which would now accumulate on an int8 variable, instead of int64. However, this seems to be the current behavior of the CUDA backend anyway, which always takes the iterator's value_type instead of querying the return type of the binary reduction function.

github-actions · 2024-07-17T14:29:13Z

🟨 CI finished in 3h 33m: Pass: 99%/250 | Total: 1d 11h | Avg: 8m 31s | Max: 42m 13s | Hits: 90%/247487

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👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

github-actions · 2024-07-17T21:23:52Z

🟨 CI finished in 3h 52m: Pass: 99%/250 | Total: 5d 06h | Avg: 30m 17s | Max: 1h 09m | Hits: 39%/247487

🟨 cub: Pass: 99%/131 | Total: 2d 21h | Avg: 31m 48s | Max: 1h 09m | Hits: 48%/108575

🔍 cpu: amd64 🔍
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🔍 cudacxx: nvcc12.5 🔍
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  🔍 GraphCapture       Pass:  87%/8   | Total:  1h 44m | Avg: 13m 06s | Max: 16m 29s | Hits:  99%/5978  
  🟩 HostLaunch         Pass: 100%/8   | Total:  3h 56m | Avg: 29m 31s | Max:  1h 09m | Hits:  99%/6832  
  🟩 TestGPU            Pass: 100%/8   | Total:  3h 11m | Avg: 23m 52s | Max: 26m 21s | Hits:  99%/6832  
🔍 std: 20 🔍
  🟩 11                 Pass: 100%/34  | Total: 17h 19m | Avg: 30m 34s | Max: 44m 20s | Hits:  45%/28605 
  🟩 14                 Pass: 100%/37  | Total: 20h 42m | Avg: 33m 34s | Max:  1h 09m | Hits:  47%/30696 
  🟩 17                 Pass: 100%/36  | Total: 19h 09m | Avg: 31m 56s | Max: 44m 27s | Hits:  47%/29927 
  🔍 20                 Pass:  95%/24  | Total: 12h 15m | Avg: 30m 39s | Max: 52m 13s | Hits:  54%/19347 
🟨 gpu
  🟨 v100               Pass:  99%/131 | Total:  2d 21h | Avg: 31m 48s | Max:  1h 09m | Hits:  48%/108575
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  2h 16m | Avg: 45m 29s | Max: 47m 41s | Hits:  52%/2562  
  🟩 90a                Pass: 100%/4   | Total:  1h 22m | Avg: 20m 34s | Max: 22m 46s | Hits:   9%/3416

🟩 thrust: Pass: 100%/118 | Total: 2d 08h | Avg: 28m 45s | Max: 1h 05m | Hits: 33%/138912

🟩 cpu
  🟩 amd64              Pass: 100%/110 | Total:  2d 04h | Avg: 28m 34s | Max:  1h 05m | Hits:  34%/129492
  🟩 arm64              Pass: 100%/8   | Total:  4h 09m | Avg: 31m 08s | Max: 35m 36s | Hits:  17%/9420  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  7h 29m | Avg: 29m 59s | Max: 58m 51s | Hits:  19%/17660 
  🟩 11.8               Pass: 100%/3   | Total:  1h 56m | Avg: 38m 45s | Max: 42m 50s | Hits:  20%/3534  
  🟩 12.5               Pass: 100%/100 | Total:  1d 23h | Avg: 28m 15s | Max:  1h 05m | Hits:  35%/117718
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total:  1h 01m | Avg: 30m 55s | Max: 32m 51s | Hits:  19%/2354  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 29m | Avg: 29m 59s | Max: 58m 51s | Hits:  19%/17660 
  🟩 nvcc11.8           Pass: 100%/3   | Total:  1h 56m | Avg: 38m 45s | Max: 42m 50s | Hits:  20%/3534  
  🟩 nvcc12.5           Pass: 100%/98  | Total:  1d 22h | Avg: 28m 12s | Max:  1h 05m | Hits:  36%/115364
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  1h 01m | Avg: 30m 55s | Max: 32m 51s | Hits:  19%/2354  
  🟩 nvcc               Pass: 100%/116 | Total:  2d 07h | Avg: 28m 42s | Max:  1h 05m | Hits:  33%/136558
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  2h 49m | Avg: 28m 11s | Max: 32m 28s | Hits:  18%/7062  
  🟩 Clang10            Pass: 100%/3   | Total:  1h 35m | Avg: 31m 50s | Max: 35m 29s | Hits:  15%/3531  
  🟩 Clang11            Pass: 100%/4   | Total:  2h 06m | Avg: 31m 31s | Max: 37m 26s | Hits:  15%/4708  
  🟩 Clang12            Pass: 100%/4   | Total:  2h 00m | Avg: 30m 05s | Max: 32m 11s | Hits:  15%/4708  
  🟩 Clang13            Pass: 100%/4   | Total:  1h 57m | Avg: 29m 17s | Max: 31m 08s | Hits:  15%/4708  
  🟩 Clang14            Pass: 100%/4   | Total:  2h 03m | Avg: 30m 57s | Max: 33m 06s | Hits:  15%/4708  
  🟩 Clang15            Pass: 100%/4   | Total:  2h 02m | Avg: 30m 30s | Max: 33m 36s | Hits:  19%/4708  
  🟩 Clang16            Pass: 100%/4   | Total:  2h 01m | Avg: 30m 27s | Max: 32m 17s | Hits:  19%/4708  
  🟩 Clang17            Pass: 100%/18  | Total:  6h 24m | Avg: 21m 21s | Max: 35m 36s | Hits:  56%/21186 
  🟩 GCC6               Pass: 100%/2   | Total: 55m 35s | Avg: 27m 47s | Max: 29m 43s | Hits:  20%/2354  
  🟩 GCC7               Pass: 100%/6   | Total:  2h 57m | Avg: 29m 36s | Max: 34m 52s | Hits:  17%/7068  
  🟩 GCC8               Pass: 100%/6   | Total:  2h 55m | Avg: 29m 17s | Max: 33m 17s | Hits:  17%/7068  
  🟩 GCC9               Pass: 100%/6   | Total:  3h 00m | Avg: 30m 02s | Max: 32m 56s | Hits:  17%/7068  
  🟩 GCC10              Pass: 100%/4   | Total:  2h 16m | Avg: 34m 07s | Max: 37m 04s | Hits:  15%/4712  
  🟩 GCC11              Pass: 100%/7   | Total:  3h 46m | Avg: 32m 22s | Max: 42m 50s | Hits:  38%/8246  
  🟩 GCC12              Pass: 100%/4   | Total:  2h 09m | Avg: 32m 23s | Max: 35m 24s | Hits:  19%/4712  
  🟩 GCC13              Pass: 100%/20  | Total:  6h 27m | Avg: 19m 21s | Max: 33m 45s | Hits:  58%/23560 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 05m | Avg: 41m 57s | Max: 45m 10s | Hits:   4%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 58m 51s | Avg: 58m 51s | Max: 58m 51s | Hits:  17%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 56m | Avg: 58m 16s | Max: 58m 53s | Hits:  17%/2346  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  4h 02m | Avg: 40m 21s | Max:  1h 05m | Hits:  58%/7038  
🟩 cxx_family
  🟩 Clang              Pass: 100%/51  | Total: 23h 00m | Avg: 27m 03s | Max: 37m 26s | Hits:  30%/60027 
  🟩 GCC                Pass: 100%/55  | Total:  1d 00h | Avg: 26m 42s | Max: 42m 50s | Hits:  35%/64788 
  🟩 Intel              Pass: 100%/3   | Total:  2h 05m | Avg: 41m 57s | Max: 45m 10s | Hits:   4%/3540  
  🟩 MSVC               Pass: 100%/9   | Total:  6h 57m | Avg: 46m 23s | Max:  1h 05m | Hits:  44%/10557 
🟩 gpu
  🟩 v100               Pass: 100%/118 | Total:  2d 08h | Avg: 28m 45s | Max:  1h 05m | Hits:  33%/138912
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  2d 05h | Avg: 32m 13s | Max:  1h 05m | Hits:  20%/116553
  🟩 TestCPU            Pass: 100%/11  | Total:  1h 44m | Avg:  9m 27s | Max: 19m 08s | Hits:  99%/12939 
  🟩 TestGPU            Pass: 100%/8   | Total:  1h 38m | Avg: 12m 22s | Max: 13m 51s | Hits:  99%/9420  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  1h 56m | Avg: 38m 45s | Max: 42m 50s | Hits:  20%/3534  
  🟩 90a                Pass: 100%/4   | Total:  1h 18m | Avg: 19m 32s | Max: 21m 33s | Hits:  15%/4712  
🟩 std
  🟩 11                 Pass: 100%/30  | Total: 12h 07m | Avg: 24m 14s | Max: 35m 54s | Hits:  32%/35328 
  🟩 14                 Pass: 100%/34  | Total: 17h 28m | Avg: 30m 50s | Max:  1h 02m | Hits:  31%/40020 
  🟩 17                 Pass: 100%/33  | Total: 17h 08m | Avg: 31m 10s | Max:  1h 05m | Hits:  32%/38847 
  🟩 20                 Pass: 100%/21  | Total:  9h 48m | Avg: 28m 01s | Max:  1h 01m | Hits:  39%/24717

🟩 pycuda: Pass: 100%/1 | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 ctk
  🟩 12.5               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 cudacxx
  🟩 nvcc12.5           Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

github-actions · 2024-07-18T08:44:36Z

🟩 CI finished in 15h 13m: Pass: 100%/250 | Total: 5d 06h | Avg: 30m 19s | Max: 1h 09m | Hits: 40%/248341

🟩 cub: Pass: 100%/131 | Total: 2d 21h | Avg: 31m 53s | Max: 1h 09m | Hits: 48%/109429

🟩 cpu
  🟩 amd64              Pass: 100%/123 | Total:  2d 16h | Avg: 31m 38s | Max:  1h 09m | Hits:  49%/102597
  🟩 arm64              Pass: 100%/8   | Total:  4h 46m | Avg: 35m 50s | Max: 37m 55s | Hits:  31%/6832  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  7h 58m | Avg: 31m 52s | Max: 46m 05s | Hits:  51%/11598 
  🟩 11.8               Pass: 100%/3   | Total:  2h 16m | Avg: 45m 29s | Max: 47m 41s | Hits:  52%/2562  
  🟩 12.5               Pass: 100%/113 | Total:  2d 11h | Avg: 31m 32s | Max:  1h 09m | Hits:  48%/95269 
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 47m 38s | Avg: 23m 49s | Max: 23m 55s | Hits:  56%/1412  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 58m | Avg: 31m 52s | Max: 46m 05s | Hits:  51%/11598 
  🟩 nvcc11.8           Pass: 100%/3   | Total:  2h 16m | Avg: 45m 29s | Max: 47m 41s | Hits:  52%/2562  
  🟩 nvcc12.5           Pass: 100%/111 | Total:  2d 10h | Avg: 31m 40s | Max:  1h 09m | Hits:  48%/93857 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 47m 38s | Avg: 23m 49s | Max: 23m 55s | Hits:  56%/1412  
  🟩 nvcc               Pass: 100%/129 | Total:  2d 20h | Avg: 32m 01s | Max:  1h 09m | Hits:  48%/108017
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  3h 09m | Avg: 31m 33s | Max: 35m 04s | Hits:  30%/4902  
  🟩 Clang10            Pass: 100%/3   | Total:  1h 48m | Avg: 36m 11s | Max: 38m 40s | Hits:  10%/2568  
  🟩 Clang11            Pass: 100%/4   | Total:  2h 17m | Avg: 34m 20s | Max: 35m 33s | Hits:  10%/3424  
  🟩 Clang12            Pass: 100%/4   | Total:  2h 22m | Avg: 35m 44s | Max: 38m 03s | Hits:  10%/3424  
  🟩 Clang13            Pass: 100%/4   | Total:  2h 18m | Avg: 34m 43s | Max: 37m 12s | Hits:  10%/3424  
  🟩 Clang14            Pass: 100%/4   | Total:  2h 19m | Avg: 34m 57s | Max: 37m 24s | Hits:  10%/3424  
  🟩 Clang15            Pass: 100%/4   | Total:  2h 17m | Avg: 34m 17s | Max: 35m 56s | Hits:  52%/3416  
  🟩 Clang16            Pass: 100%/4   | Total:  2h 21m | Avg: 35m 19s | Max: 36m 57s | Hits:  52%/3416  
  🟩 Clang17            Pass: 100%/26  | Total: 11h 38m | Avg: 26m 52s | Max:  1h 09m | Hits:  82%/21908 
  🟩 GCC6               Pass: 100%/2   | Total:  1h 07m | Avg: 33m 53s | Max: 34m 32s | Hits:  51%/1556  
  🟩 GCC7               Pass: 100%/6   | Total:  3h 24m | Avg: 34m 03s | Max: 38m 17s | Hits:  29%/4905  
  🟩 GCC8               Pass: 100%/6   | Total:  3h 17m | Avg: 32m 57s | Max: 37m 24s | Hits:  29%/4905  
  🟩 GCC9               Pass: 100%/6   | Total:  3h 27m | Avg: 34m 35s | Max: 41m 36s | Hits:  29%/4905  
  🟩 GCC10              Pass: 100%/4   | Total:  2h 32m | Avg: 38m 11s | Max: 40m 02s | Hits:   9%/3424  
  🟩 GCC11              Pass: 100%/7   | Total:  4h 44m | Avg: 40m 35s | Max: 47m 41s | Hits:  52%/5978  
  🟩 GCC12              Pass: 100%/4   | Total:  2h 31m | Avg: 37m 51s | Max: 38m 14s | Hits:  52%/3416  
  🟩 GCC13              Pass: 100%/28  | Total: 11h 14m | Avg: 24m 06s | Max: 38m 41s | Hits:  65%/23912 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 04m | Avg: 41m 24s | Max: 43m 37s | Hits:   5%/2340  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 46m 05s | Avg: 46m 05s | Max: 46m 05s | Hits:  55%/697   
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 30m | Avg: 45m 22s | Max: 48m 13s | Hits:  55%/1394  
  🟩 MSVC14.39          Pass: 100%/3   | Total:  2h 22m | Avg: 47m 28s | Max: 49m 32s | Hits:  55%/2091  
🟩 cxx_family
  🟩 Clang              Pass: 100%/59  | Total:  1d 06h | Avg: 31m 05s | Max:  1h 09m | Hits:  49%/49906 
  🟩 GCC                Pass: 100%/63  | Total:  1d 08h | Avg: 30m 48s | Max: 47m 41s | Hits:  49%/53001 
  🟩 Intel              Pass: 100%/3   | Total:  2h 04m | Avg: 41m 24s | Max: 43m 37s | Hits:   5%/2340  
  🟩 MSVC               Pass: 100%/6   | Total:  4h 39m | Avg: 46m 32s | Max: 49m 32s | Hits:  55%/4182  
🟩 gpu
  🟩 v100               Pass: 100%/131 | Total:  2d 21h | Avg: 31m 53s | Max:  1h 09m | Hits:  48%/109429
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  2d 10h | Avg: 35m 19s | Max: 49m 32s | Hits:  31%/82101 
  🟩 DeviceLaunch       Pass: 100%/8   | Total:  2h 19m | Avg: 17m 23s | Max: 19m 46s | Hits:  99%/6832  
  🟩 GraphCapture       Pass: 100%/8   | Total:  1h 55m | Avg: 14m 27s | Max: 16m 29s | Hits:  99%/6832  
  🟩 HostLaunch         Pass: 100%/8   | Total:  3h 56m | Avg: 29m 31s | Max:  1h 09m | Hits:  99%/6832  
  🟩 TestGPU            Pass: 100%/8   | Total:  3h 11m | Avg: 23m 52s | Max: 26m 21s | Hits:  99%/6832  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  2h 16m | Avg: 45m 29s | Max: 47m 41s | Hits:  52%/2562  
  🟩 90a                Pass: 100%/4   | Total:  1h 22m | Avg: 20m 34s | Max: 22m 46s | Hits:   9%/3416  
🟩 std
  🟩 11                 Pass: 100%/34  | Total: 17h 19m | Avg: 30m 34s | Max: 44m 20s | Hits:  45%/28605 
  🟩 14                 Pass: 100%/37  | Total: 20h 42m | Avg: 33m 34s | Max:  1h 09m | Hits:  47%/30696 
  🟩 17                 Pass: 100%/36  | Total: 19h 09m | Avg: 31m 56s | Max: 44m 27s | Hits:  47%/29927 
  🟩 20                 Pass: 100%/24  | Total: 12h 26m | Avg: 31m 06s | Max: 52m 13s | Hits:  56%/20201

🟩 thrust: Pass: 100%/118 | Total: 2d 08h | Avg: 28m 45s | Max: 1h 05m | Hits: 33%/138912

🟩 cpu
  🟩 amd64              Pass: 100%/110 | Total:  2d 04h | Avg: 28m 34s | Max:  1h 05m | Hits:  34%/129492
  🟩 arm64              Pass: 100%/8   | Total:  4h 09m | Avg: 31m 08s | Max: 35m 36s | Hits:  17%/9420  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  7h 29m | Avg: 29m 59s | Max: 58m 51s | Hits:  19%/17660 
  🟩 11.8               Pass: 100%/3   | Total:  1h 56m | Avg: 38m 45s | Max: 42m 50s | Hits:  20%/3534  
  🟩 12.5               Pass: 100%/100 | Total:  1d 23h | Avg: 28m 15s | Max:  1h 05m | Hits:  35%/117718
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total:  1h 01m | Avg: 30m 55s | Max: 32m 51s | Hits:  19%/2354  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 29m | Avg: 29m 59s | Max: 58m 51s | Hits:  19%/17660 
  🟩 nvcc11.8           Pass: 100%/3   | Total:  1h 56m | Avg: 38m 45s | Max: 42m 50s | Hits:  20%/3534  
  🟩 nvcc12.5           Pass: 100%/98  | Total:  1d 22h | Avg: 28m 12s | Max:  1h 05m | Hits:  36%/115364
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  1h 01m | Avg: 30m 55s | Max: 32m 51s | Hits:  19%/2354  
  🟩 nvcc               Pass: 100%/116 | Total:  2d 07h | Avg: 28m 42s | Max:  1h 05m | Hits:  33%/136558
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  2h 49m | Avg: 28m 11s | Max: 32m 28s | Hits:  18%/7062  
  🟩 Clang10            Pass: 100%/3   | Total:  1h 35m | Avg: 31m 50s | Max: 35m 29s | Hits:  15%/3531  
  🟩 Clang11            Pass: 100%/4   | Total:  2h 06m | Avg: 31m 31s | Max: 37m 26s | Hits:  15%/4708  
  🟩 Clang12            Pass: 100%/4   | Total:  2h 00m | Avg: 30m 05s | Max: 32m 11s | Hits:  15%/4708  
  🟩 Clang13            Pass: 100%/4   | Total:  1h 57m | Avg: 29m 17s | Max: 31m 08s | Hits:  15%/4708  
  🟩 Clang14            Pass: 100%/4   | Total:  2h 03m | Avg: 30m 57s | Max: 33m 06s | Hits:  15%/4708  
  🟩 Clang15            Pass: 100%/4   | Total:  2h 02m | Avg: 30m 30s | Max: 33m 36s | Hits:  19%/4708  
  🟩 Clang16            Pass: 100%/4   | Total:  2h 01m | Avg: 30m 27s | Max: 32m 17s | Hits:  19%/4708  
  🟩 Clang17            Pass: 100%/18  | Total:  6h 24m | Avg: 21m 21s | Max: 35m 36s | Hits:  56%/21186 
  🟩 GCC6               Pass: 100%/2   | Total: 55m 35s | Avg: 27m 47s | Max: 29m 43s | Hits:  20%/2354  
  🟩 GCC7               Pass: 100%/6   | Total:  2h 57m | Avg: 29m 36s | Max: 34m 52s | Hits:  17%/7068  
  🟩 GCC8               Pass: 100%/6   | Total:  2h 55m | Avg: 29m 17s | Max: 33m 17s | Hits:  17%/7068  
  🟩 GCC9               Pass: 100%/6   | Total:  3h 00m | Avg: 30m 02s | Max: 32m 56s | Hits:  17%/7068  
  🟩 GCC10              Pass: 100%/4   | Total:  2h 16m | Avg: 34m 07s | Max: 37m 04s | Hits:  15%/4712  
  🟩 GCC11              Pass: 100%/7   | Total:  3h 46m | Avg: 32m 22s | Max: 42m 50s | Hits:  38%/8246  
  🟩 GCC12              Pass: 100%/4   | Total:  2h 09m | Avg: 32m 23s | Max: 35m 24s | Hits:  19%/4712  
  🟩 GCC13              Pass: 100%/20  | Total:  6h 27m | Avg: 19m 21s | Max: 33m 45s | Hits:  58%/23560 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 05m | Avg: 41m 57s | Max: 45m 10s | Hits:   4%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 58m 51s | Avg: 58m 51s | Max: 58m 51s | Hits:  17%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 56m | Avg: 58m 16s | Max: 58m 53s | Hits:  17%/2346  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  4h 02m | Avg: 40m 21s | Max:  1h 05m | Hits:  58%/7038  
🟩 cxx_family
  🟩 Clang              Pass: 100%/51  | Total: 23h 00m | Avg: 27m 03s | Max: 37m 26s | Hits:  30%/60027 
  🟩 GCC                Pass: 100%/55  | Total:  1d 00h | Avg: 26m 42s | Max: 42m 50s | Hits:  35%/64788 
  🟩 Intel              Pass: 100%/3   | Total:  2h 05m | Avg: 41m 57s | Max: 45m 10s | Hits:   4%/3540  
  🟩 MSVC               Pass: 100%/9   | Total:  6h 57m | Avg: 46m 23s | Max:  1h 05m | Hits:  44%/10557 
🟩 gpu
  🟩 v100               Pass: 100%/118 | Total:  2d 08h | Avg: 28m 45s | Max:  1h 05m | Hits:  33%/138912
🟩 jobs
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  🟩 90a                Pass: 100%/4   | Total:  1h 18m | Avg: 19m 32s | Max: 21m 33s | Hits:  15%/4712  
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  🟩 11                 Pass: 100%/30  | Total: 12h 07m | Avg: 24m 14s | Max: 35m 54s | Hits:  32%/35328 
  🟩 14                 Pass: 100%/34  | Total: 17h 28m | Avg: 30m 50s | Max:  1h 02m | Hits:  31%/40020 
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🟩 pycuda: Pass: 100%/1 | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
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🟩 cudacxx_family
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🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
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  🟩 v100               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

👃 Inspect Changes

Modifications in project?

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	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
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	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

alliepiper · 2024-07-18T18:28:39Z

You've found another can of worms! 😄

We've had many discussions about these intermediate accumulator types, and IIRC we decided on determining the return type of op(init, input) and using that for the accumulations. For instance, in CUB scan:

https://github.com/NVIDIA/cccl/blob/main/cub/cub/device/dispatch/dispatch_scan.cuh#L237-L241

cccl/cub/cub/detail/type_traits.cuh

Lines 65 to 67 in 92b4b0b

    
           /// The type of intermediate accumulator (according to P2322R6) 
        
           template <typename Invokable, typename InitT, typename InputT> 
        
           using accumulator_t = typename ::cuda::std::decay<invoke_result_t<Invokable, InitT, InputT>>::type;

If we're going to break behavior, we should use the same approach in the new version, and see if there are any other algorithms that need to be fixed. It'd be worth discussing this in the team meeting before putting too much work in here in case we'd need to delay this to a major release.

bernhardmgruber · 2024-07-18T21:39:02Z

You've found another can of worms! 😄

I hope I get a prize at some point!

We've had many discussions about these intermediate accumulator types, and IIRC we decided on determining the return type of op(init, input) and using that for the accumulations.

That's perfect, I will use this then!

If we're going to break behavior, we should use the same approach in the new version, and see if there are any other algorithms that need to be fixed.

I looked into reduce_by_key.h for the CUDA backend, and it also uses the input value iterator's type as value_type for partial sums: https://github.com/NVIDIA/cccl/blob/main/thrust/thrust/system/cuda/detail/reduce_by_key.h#L200

It'd be worth discussing this in the team meeting before putting too much work in here in case we'd need to delay this to a major release.

Fair enough, let's discuss it in a team meeting.

miscco · 2024-07-22T16:55:28Z

we decided on determining the return type of op(init, input) and using that for the accumulations.

This is also the approach taken by the standard, so this is what we should be doing.

bernhardmgruber · 2024-07-22T19:26:16Z

We discussed this PR during the code review hour and @gevtushenko suggested to check for a nested ::result_type first, before using the logic of CUB's accumulator_t.

We also discussed that we should move CUB's accumulator_t into cudax, but that seems to not be enabled in all cases, so I duplicated the implementation Thrust. If somebody could tell me a good place in the project tree, I can happily move the trait after this PR. I considered a new header in libcu++'s <cuda/type_traits> but this feels odd as well, given the functionality must work for TBB and OpenMP as well.

github-actions · 2024-07-22T23:14:46Z

🟩 CI finished in 3h 40m: Pass: 100%/250 | Total: 4d 23h | Avg: 28m 44s | Max: 1h 00m | Hits: 61%/248341

🟩 cub: Pass: 100%/131 | Total: 2d 18h | Avg: 30m 22s | Max: 51m 10s | Hits: 70%/109429

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  🟩 MSVC14.16          Pass: 100%/1   | Total: 44m 35s | Avg: 44m 35s | Max: 44m 35s | Hits:  65%/697   
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  🟩 11.1               Pass: 100%/15  | Total:  6h 40m | Avg: 26m 41s | Max: 55m 03s | Hits:  45%/17660 
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  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 03m | Avg: 41m 14s | Max: 45m 13s | Hits:  34%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 55m 03s | Avg: 55m 03s | Max: 55m 03s | Hits:  32%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 51m | Avg: 55m 43s | Max: 57m 20s | Hits:  32%/2346  
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  🟩 GCC                Pass: 100%/55  | Total: 22h 54m | Avg: 24m 59s | Max: 38m 43s | Hits:  57%/64788 
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🟩 gpu
  🟩 v100               Pass: 100%/118 | Total:  2d 05h | Avg: 27m 03s | Max:  1h 00m | Hits:  54%/138912
🟩 jobs
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🟩 pycuda: Pass: 100%/1 | Total: 11m 48s | Avg: 11m 48s | Max: 11m 48s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 11m 48s | Avg: 11m 48s | Max: 11m 48s
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  🟩 nvcc               Pass: 100%/1   | Total: 11m 48s | Avg: 11m 48s | Max: 11m 48s
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🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 11m 48s | Avg: 11m 48s | Max: 11m 48s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

thrust/thrust/system/tbb/detail/reduce_by_key.inl

This allows us to get rid of partial_sum_type, which still uses the C++11-deprecated function object API ::result_type.

Co-authored-by: Georgii Evtushenko <[email protected]>

github-actions · 2024-07-26T02:55:33Z

🟨 CI finished in 7h 28m: Pass: 95%/250 | Total: 1d 07h | Avg: 7m 38s | Max: 28m 26s | Hits: 90%/239877

🟨 cub: Pass: 93%/131 | Total: 17h 03m | Avg: 7m 48s | Max: 28m 26s | Hits: 99%/103321

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  92%/123 | Total: 16h 22m | Avg:  7m 59s | Max: 28m 26s | Hits:  99%/96385 
  🟩 arm64              Pass: 100%/8   | Total: 40m 27s | Avg:  5m 03s | Max:  5m 32s | Hits:  99%/6936  
🔍 ctk: 12.5 🔍
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  🔍 12.5               Pass:  92%/113 | Total: 15h 45m | Avg:  8m 21s | Max: 28m 26s | Hits:  99%/88928 
🔍 cudacxx: nvcc12.5 🔍
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  🟩 nvcc11.1           Pass: 100%/15  | Total:  1h 04m | Avg:  4m 17s | Max: 12m 38s | Hits:  99%/11792 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 13m 44s | Avg:  4m 34s | Max:  4m 50s | Hits:  99%/2601  
  🔍 nvcc12.5           Pass:  91%/111 | Total: 15h 38m | Avg:  8m 27s | Max: 28m 26s | Hits:  99%/87492 
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total:  7m 03s | Avg:  3m 31s | Max:  3m 36s | Hits: 100%/1436  
  🔍 nvcc               Pass:  93%/129 | Total: 16h 56m | Avg:  7m 52s | Max: 28m 26s | Hits:  99%/101885
🟨 cxx
  🟩 Clang9             Pass: 100%/6   | Total: 27m 08s | Avg:  4m 31s | Max:  5m 25s | Hits: 100%/4980  
  🟩 Clang10            Pass: 100%/3   | Total: 15m 50s | Avg:  5m 16s | Max:  5m 45s | Hits: 100%/2607  
  🟩 Clang11            Pass: 100%/4   | Total: 18m 04s | Avg:  4m 31s | Max:  4m 55s | Hits: 100%/3476  
  🟩 Clang12            Pass: 100%/4   | Total: 18m 35s | Avg:  4m 38s | Max:  4m 52s | Hits: 100%/3476  
  🟩 Clang13            Pass: 100%/4   | Total: 17m 30s | Avg:  4m 22s | Max:  4m 34s | Hits: 100%/3476  
  🟩 Clang14            Pass: 100%/4   | Total: 17m 47s | Avg:  4m 26s | Max:  4m 43s | Hits: 100%/3476  
  🟩 Clang15            Pass: 100%/4   | Total: 18m 28s | Avg:  4m 37s | Max:  4m 41s | Hits: 100%/3468  
  🟩 Clang16            Pass: 100%/4   | Total: 18m 21s | Avg:  4m 35s | Max:  4m 48s | Hits: 100%/3468  
  🟨 Clang17            Pass:  88%/26  | Total:  5h 37m | Avg: 12m 58s | Max: 28m 26s | Hits: 100%/19643 
  🟩 GCC6               Pass: 100%/2   | Total:  6m 55s | Avg:  3m 27s | Max:  3m 29s | Hits:  99%/1582  
  🟩 GCC7               Pass: 100%/6   | Total: 23m 45s | Avg:  3m 57s | Max:  4m 30s | Hits:  99%/4983  
  🟩 GCC8               Pass: 100%/6   | Total: 24m 40s | Avg:  4m 06s | Max:  4m 30s | Hits:  99%/4983  
  🟩 GCC9               Pass: 100%/6   | Total: 23m 31s | Avg:  3m 55s | Max:  4m 15s | Hits:  99%/4983  
  🟩 GCC10              Pass: 100%/4   | Total: 17m 17s | Avg:  4m 19s | Max:  4m 36s | Hits:  99%/3476  
  🟩 GCC11              Pass: 100%/7   | Total: 31m 57s | Avg:  4m 33s | Max:  4m 50s | Hits:  99%/6069  
  🟩 GCC12              Pass: 100%/4   | Total: 18m 57s | Avg:  4m 44s | Max:  4m 58s | Hits:  99%/3468  
  🟨 GCC13              Pass:  78%/28  | Total:  5h 05m | Avg: 10m 54s | Max: 26m 38s | Hits:  99%/19074 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 15m 41s | Avg:  5m 13s | Max:  5m 20s | Hits: 100%/2379  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 12m 38s | Avg: 12m 38s | Max: 12m 38s | Hits:  99%/709   
  🟩 MSVC14.29          Pass: 100%/2   | Total: 20m 42s | Avg: 10m 21s | Max: 10m 35s | Hits:  99%/1418  
  🟩 MSVC14.39          Pass: 100%/3   | Total: 32m 31s | Avg: 10m 50s | Max: 11m 10s | Hits:  99%/2127  
🟨 cxx_family
  🟨 Clang              Pass:  94%/59  | Total:  8h 09m | Avg:  8m 17s | Max: 28m 26s | Hits: 100%/48070 
  🟨 GCC                Pass:  90%/63  | Total:  7h 32m | Avg:  7m 11s | Max: 26m 38s | Hits:  99%/48618 
  🟩 Intel              Pass: 100%/3   | Total: 15m 41s | Avg:  5m 13s | Max:  5m 20s | Hits: 100%/2379  
  🟩 MSVC               Pass: 100%/6   | Total:  1h 05m | Avg: 10m 58s | Max: 12m 38s | Hits:  99%/4254  
🟨 jobs
  🟩 Build              Pass: 100%/99  | Total:  8h 00m | Avg:  4m 51s | Max: 12m 38s | Hits:  99%/83380 
  🟨 DeviceLaunch       Pass:  75%/8   | Total:  2h 19m | Avg: 17m 26s | Max: 22m 47s | Hits:  99%/5202  
  🟨 GraphCapture       Pass:  75%/8   | Total:  1h 59m | Avg: 14m 56s | Max: 19m 11s | Hits:  99%/5202  
  🟨 HostLaunch         Pass:  75%/8   | Total:  2h 12m | Avg: 16m 31s | Max: 26m 36s | Hits:  99%/5202  
  🟨 TestGPU            Pass:  62%/8   | Total:  2h 31m | Avg: 18m 59s | Max: 28m 26s | Hits:  99%/4335  
🟨 std
  🟨 11                 Pass:  94%/34  | Total:  4h 07m | Avg:  7m 16s | Max: 28m 26s | Hits:  99%/27313 
  🟨 14                 Pass:  89%/37  | Total:  4h 15m | Avg:  6m 53s | Max: 22m 36s | Hits:  99%/27706 
  🟨 17                 Pass:  91%/36  | Total:  4h 34m | Avg:  7m 38s | Max: 26m 36s | Hits:  99%/27791 
  🟩 20                 Pass: 100%/24  | Total:  4h 06m | Avg: 10m 15s | Max: 26m 38s | Hits:  99%/20511 
🟨 gpu
  🟨 v100               Pass:  93%/131 | Total: 17h 03m | Avg:  7m 48s | Max: 28m 26s | Hits:  99%/103321
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 13m 44s | Avg:  4m 34s | Max:  4m 50s | Hits:  99%/2601  
  🟩 90a                Pass: 100%/4   | Total: 14m 33s | Avg:  3m 38s | Max:  3m 47s | Hits:  99%/3468

🟨 thrust: Pass: 98%/118 | Total: 14h 44m | Avg: 7m 29s | Max: 21m 50s | Hits: 83%/136556

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  98%/110 | Total: 13h 54m | Avg:  7m 35s | Max: 21m 50s | Hits:  83%/127136
  🟩 arm64              Pass: 100%/8   | Total: 49m 40s | Avg:  6m 12s | Max:  6m 42s | Hits:  80%/9420  
🔍 ctk: 12.5 🔍
  🟩 11.1               Pass: 100%/15  | Total:  1h 51m | Avg:  7m 25s | Max: 21m 50s | Hits:  76%/17660 
  🟩 11.8               Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🔍 12.5               Pass:  98%/100 | Total: 12h 35m | Avg:  7m 33s | Max: 19m 27s | Hits:  84%/115362
🔍 cudacxx: nvcc12.5 🔍
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 12m 34s | Avg:  6m 17s | Max:  6m 20s | Hits:  80%/2354  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  1h 51m | Avg:  7m 25s | Max: 21m 50s | Hits:  76%/17660 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🔍 nvcc12.5           Pass:  97%/98  | Total: 12h 22m | Avg:  7m 34s | Max: 19m 27s | Hits:  84%/113008
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 12m 34s | Avg:  6m 17s | Max:  6m 20s | Hits:  80%/2354  
  🔍 nvcc               Pass:  98%/116 | Total: 14h 31m | Avg:  7m 30s | Max: 21m 50s | Hits:  83%/134202
🔍 cxx: GCC13 🔍
  🟩 Clang9             Pass: 100%/6   | Total: 35m 41s | Avg:  5m 56s | Max:  6m 21s | Hits:  80%/7062  
  🟩 Clang10            Pass: 100%/3   | Total: 20m 09s | Avg:  6m 43s | Max:  7m 07s | Hits:  80%/3531  
  🟩 Clang11            Pass: 100%/4   | Total: 24m 10s | Avg:  6m 02s | Max:  6m 17s | Hits:  80%/4708  
  🟩 Clang12            Pass: 100%/4   | Total: 24m 30s | Avg:  6m 07s | Max:  6m 33s | Hits:  80%/4708  
  🟩 Clang13            Pass: 100%/4   | Total: 24m 13s | Avg:  6m 03s | Max:  6m 19s | Hits:  80%/4708  
  🟩 Clang14            Pass: 100%/4   | Total: 25m 05s | Avg:  6m 16s | Max:  6m 25s | Hits:  80%/4708  
  🟩 Clang15            Pass: 100%/4   | Total: 24m 27s | Avg:  6m 06s | Max:  6m 19s | Hits:  80%/4708  
  🟩 Clang16            Pass: 100%/4   | Total: 25m 45s | Avg:  6m 26s | Max:  6m 35s | Hits:  80%/4708  
  🟩 Clang17            Pass: 100%/18  | Total:  2h 16m | Avg:  7m 36s | Max: 14m 41s | Hits:  89%/21186 
  🟩 GCC6               Pass: 100%/2   | Total: 10m 50s | Avg:  5m 25s | Max:  5m 39s | Hits:  80%/2354  
  🟩 GCC7               Pass: 100%/6   | Total: 47m 53s | Avg:  7m 58s | Max: 21m 50s | Hits:  70%/7068  
  🟩 GCC8               Pass: 100%/6   | Total: 33m 44s | Avg:  5m 37s | Max:  6m 14s | Hits:  80%/7068  
  🟩 GCC9               Pass: 100%/6   | Total: 34m 07s | Avg:  5m 41s | Max:  6m 09s | Hits:  80%/7068  
  🟩 GCC10              Pass: 100%/4   | Total: 24m 14s | Avg:  6m 03s | Max:  6m 30s | Hits:  80%/4712  
  🟩 GCC11              Pass: 100%/7   | Total: 35m 16s | Avg:  5m 02s | Max:  6m 22s | Hits:  88%/8246  
  🟩 GCC12              Pass: 100%/4   | Total: 25m 13s | Avg:  6m 18s | Max:  6m 46s | Hits:  80%/4712  
  🔍 GCC13              Pass:  90%/20  | Total:  2h 23m | Avg:  7m 11s | Max: 15m 28s | Hits:  89%/21204 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 27m 52s | Avg:  9m 17s | Max: 10m 01s | Hits:  80%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 18m 48s | Avg: 18m 48s | Max: 18m 48s | Hits:  79%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total: 32m 43s | Avg: 16m 21s | Max: 16m 34s | Hits:  79%/2346  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  1h 48m | Avg: 18m 04s | Max: 19m 27s | Hits:  89%/7038  
🔍 cxx_family: GCC 🔍
  🟩 Clang              Pass: 100%/51  | Total:  5h 40m | Avg:  6m 41s | Max: 14m 41s | Hits:  83%/60027 
  🔍 GCC                Pass:  96%/55  | Total:  5h 55m | Avg:  6m 27s | Max: 21m 50s | Hits:  83%/62432 
  🟩 Intel              Pass: 100%/3   | Total: 27m 52s | Avg:  9m 17s | Max: 10m 01s | Hits:  80%/3540  
  🟩 MSVC               Pass: 100%/9   | Total:  2h 39m | Avg: 17m 46s | Max: 19m 27s | Hits:  85%/10557 
🔍 jobs: TestGPU 🔍
  🟩 Build              Pass: 100%/99  | Total: 11h 14m | Avg:  6m 48s | Max: 21m 50s | Hits:  81%/116553
  🟩 TestCPU            Pass: 100%/11  | Total:  1h 44m | Avg:  9m 32s | Max: 19m 27s | Hits:  99%/12939 
  🔍 TestGPU            Pass:  75%/8   | Total:  1h 44m | Avg: 13m 04s | Max: 15m 28s | Hits:  93%/7064  
🟨 std
  🟩 11                 Pass: 100%/30  | Total:  3h 24m | Avg:  6m 49s | Max: 21m 50s | Hits:  81%/35328 
  🟩 14                 Pass: 100%/34  | Total:  4h 24m | Avg:  7m 47s | Max: 18m 48s | Hits:  83%/40020 
  🟨 17                 Pass:  96%/33  | Total:  4h 09m | Avg:  7m 33s | Max: 19m 27s | Hits:  84%/37669 
  🟨 20                 Pass:  95%/21  | Total:  2h 45m | Avg:  7m 51s | Max: 17m 54s | Hits:  85%/23539 
🟨 gpu
  🟨 v100               Pass:  98%/118 | Total: 14h 44m | Avg:  7m 29s | Max: 21m 50s | Hits:  83%/136556
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🟩 90a                Pass: 100%/4   | Total: 23m 29s | Avg:  5m 52s | Max:  6m 02s | Hits:  80%/4712

🟥 pycuda: Pass: 0%/1 | Total: 4m 51s | Avg: 4m 51s | Max: 4m 51s

🟥 cpu
  🟥 amd64              Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 ctk
  🟥 12.5               Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 cudacxx
  🟥 nvcc12.5           Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 cudacxx_family
  🟥 nvcc               Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 cxx
  🟥 GCC13              Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 cxx_family
  🟥 GCC                Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 gpu
  🟥 v100               Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s
🟥 jobs
  🟥 Test               Pass:   0%/1   | Total:  4m 51s | Avg:  4m 51s | Max:  4m 51s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

github-actions · 2024-07-26T14:45:58Z

🟩 CI finished in 19h 19m: Pass: 100%/250 | Total: 1d 10h | Avg: 8m 11s | Max: 28m 26s | Hits: 90%/250036

🟩 cub: Pass: 100%/131 | Total: 18h 58m | Avg: 8m 41s | Max: 28m 26s | Hits: 99%/111124

🟩 cpu
  🟩 amd64              Pass: 100%/123 | Total: 18h 17m | Avg:  8m 55s | Max: 28m 26s | Hits:  99%/104188
  🟩 arm64              Pass: 100%/8   | Total: 40m 27s | Avg:  5m 03s | Max:  5m 32s | Hits:  99%/6936  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  1h 04m | Avg:  4m 17s | Max: 12m 38s | Hits:  99%/11792 
  🟩 11.8               Pass: 100%/3   | Total: 13m 44s | Avg:  4m 34s | Max:  4m 50s | Hits:  99%/2601  
  🟩 12.5               Pass: 100%/113 | Total: 17h 40m | Avg:  9m 22s | Max: 28m 26s | Hits:  99%/96731 
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total:  7m 03s | Avg:  3m 31s | Max:  3m 36s | Hits: 100%/1436  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  1h 04m | Avg:  4m 17s | Max: 12m 38s | Hits:  99%/11792 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 13m 44s | Avg:  4m 34s | Max:  4m 50s | Hits:  99%/2601  
  🟩 nvcc12.5           Pass: 100%/111 | Total: 17h 33m | Avg:  9m 29s | Max: 28m 26s | Hits:  99%/95295 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  7m 03s | Avg:  3m 31s | Max:  3m 36s | Hits: 100%/1436  
  🟩 nvcc               Pass: 100%/129 | Total: 18h 51m | Avg:  8m 46s | Max: 28m 26s | Hits:  99%/109688
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total: 27m 08s | Avg:  4m 31s | Max:  5m 25s | Hits: 100%/4980  
  🟩 Clang10            Pass: 100%/3   | Total: 15m 50s | Avg:  5m 16s | Max:  5m 45s | Hits: 100%/2607  
  🟩 Clang11            Pass: 100%/4   | Total: 18m 04s | Avg:  4m 31s | Max:  4m 55s | Hits: 100%/3476  
  🟩 Clang12            Pass: 100%/4   | Total: 18m 35s | Avg:  4m 38s | Max:  4m 52s | Hits: 100%/3476  
  🟩 Clang13            Pass: 100%/4   | Total: 17m 30s | Avg:  4m 22s | Max:  4m 34s | Hits: 100%/3476  
  🟩 Clang14            Pass: 100%/4   | Total: 17m 47s | Avg:  4m 26s | Max:  4m 43s | Hits: 100%/3476  
  🟩 Clang15            Pass: 100%/4   | Total: 18m 28s | Avg:  4m 37s | Max:  4m 41s | Hits: 100%/3468  
  🟩 Clang16            Pass: 100%/4   | Total: 18m 21s | Avg:  4m 35s | Max:  4m 48s | Hits: 100%/3468  
  🟩 Clang17            Pass: 100%/26  | Total:  6h 17m | Avg: 14m 31s | Max: 28m 26s | Hits: 100%/22244 
  🟩 GCC6               Pass: 100%/2   | Total:  6m 55s | Avg:  3m 27s | Max:  3m 29s | Hits:  99%/1582  
  🟩 GCC7               Pass: 100%/6   | Total: 23m 45s | Avg:  3m 57s | Max:  4m 30s | Hits:  99%/4983  
  🟩 GCC8               Pass: 100%/6   | Total: 24m 40s | Avg:  4m 06s | Max:  4m 30s | Hits:  99%/4983  
  🟩 GCC9               Pass: 100%/6   | Total: 23m 31s | Avg:  3m 55s | Max:  4m 15s | Hits:  99%/4983  
  🟩 GCC10              Pass: 100%/4   | Total: 17m 17s | Avg:  4m 19s | Max:  4m 36s | Hits:  99%/3476  
  🟩 GCC11              Pass: 100%/7   | Total: 31m 57s | Avg:  4m 33s | Max:  4m 50s | Hits:  99%/6069  
  🟩 GCC12              Pass: 100%/4   | Total: 18m 57s | Avg:  4m 44s | Max:  4m 58s | Hits:  99%/3468  
  🟩 GCC13              Pass: 100%/28  | Total:  6h 20m | Avg: 13m 35s | Max: 26m 38s | Hits:  99%/24276 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 15m 41s | Avg:  5m 13s | Max:  5m 20s | Hits: 100%/2379  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 12m 38s | Avg: 12m 38s | Max: 12m 38s | Hits:  99%/709   
  🟩 MSVC14.29          Pass: 100%/2   | Total: 20m 42s | Avg: 10m 21s | Max: 10m 35s | Hits:  99%/1418  
  🟩 MSVC14.39          Pass: 100%/3   | Total: 32m 31s | Avg: 10m 50s | Max: 11m 10s | Hits:  99%/2127  
🟩 cxx_family
  🟩 Clang              Pass: 100%/59  | Total:  8h 49m | Avg:  8m 58s | Max: 28m 26s | Hits: 100%/50671 
  🟩 GCC                Pass: 100%/63  | Total:  8h 47m | Avg:  8m 22s | Max: 26m 38s | Hits:  99%/53820 
  🟩 Intel              Pass: 100%/3   | Total: 15m 41s | Avg:  5m 13s | Max:  5m 20s | Hits: 100%/2379  
  🟩 MSVC               Pass: 100%/6   | Total:  1h 05m | Avg: 10m 58s | Max: 12m 38s | Hits:  99%/4254  
🟩 gpu
  🟩 v100               Pass: 100%/131 | Total: 18h 58m | Avg:  8m 41s | Max: 28m 26s | Hits:  99%/111124
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  8h 00m | Avg:  4m 51s | Max: 12m 38s | Hits:  99%/83380 
  🟩 DeviceLaunch       Pass: 100%/8   | Total:  2h 41m | Avg: 20m 09s | Max: 22m 47s | Hits:  99%/6936  
  🟩 GraphCapture       Pass: 100%/8   | Total:  2h 15m | Avg: 16m 53s | Max: 19m 11s | Hits:  99%/6936  
  🟩 HostLaunch         Pass: 100%/8   | Total:  2h 42m | Avg: 20m 16s | Max: 26m 36s | Hits:  99%/6936  
  🟩 TestGPU            Pass: 100%/8   | Total:  3h 19m | Avg: 24m 56s | Max: 28m 26s | Hits:  99%/6936  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 13m 44s | Avg:  4m 34s | Max:  4m 50s | Hits:  99%/2601  
  🟩 90a                Pass: 100%/4   | Total: 14m 33s | Avg:  3m 38s | Max:  3m 47s | Hits:  99%/3468  
🟩 std
  🟩 11                 Pass: 100%/34  | Total:  4h 30m | Avg:  7m 57s | Max: 28m 26s | Hits:  99%/29047 
  🟩 14                 Pass: 100%/37  | Total:  5h 03m | Avg:  8m 12s | Max: 25m 11s | Hits:  99%/31174 
  🟩 17                 Pass: 100%/36  | Total:  5h 18m | Avg:  8m 50s | Max: 26m 36s | Hits:  99%/30392 
  🟩 20                 Pass: 100%/24  | Total:  4h 06m | Avg: 10m 15s | Max: 26m 38s | Hits:  99%/20511

🟩 thrust: Pass: 100%/118 | Total: 14h 55m | Avg: 7m 35s | Max: 21m 50s | Hits: 83%/138912

🟩 cpu
  🟩 amd64              Pass: 100%/110 | Total: 14h 05m | Avg:  7m 41s | Max: 21m 50s | Hits:  84%/129492
  🟩 arm64              Pass: 100%/8   | Total: 49m 40s | Avg:  6m 12s | Max:  6m 42s | Hits:  80%/9420  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  1h 51m | Avg:  7m 25s | Max: 21m 50s | Hits:  76%/17660 
  🟩 11.8               Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🟩 12.5               Pass: 100%/100 | Total: 12h 46m | Avg:  7m 40s | Max: 19m 45s | Hits:  85%/117718
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 12m 34s | Avg:  6m 17s | Max:  6m 20s | Hits:  80%/2354  
  🟩 nvcc11.1           Pass: 100%/15  | Total:  1h 51m | Avg:  7m 25s | Max: 21m 50s | Hits:  76%/17660 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🟩 nvcc12.5           Pass: 100%/98  | Total: 12h 34m | Avg:  7m 41s | Max: 19m 45s | Hits:  85%/115364
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 12m 34s | Avg:  6m 17s | Max:  6m 20s | Hits:  80%/2354  
  🟩 nvcc               Pass: 100%/116 | Total: 14h 43m | Avg:  7m 36s | Max: 21m 50s | Hits:  83%/136558
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total: 35m 41s | Avg:  5m 56s | Max:  6m 21s | Hits:  80%/7062  
  🟩 Clang10            Pass: 100%/3   | Total: 20m 09s | Avg:  6m 43s | Max:  7m 07s | Hits:  80%/3531  
  🟩 Clang11            Pass: 100%/4   | Total: 24m 10s | Avg:  6m 02s | Max:  6m 17s | Hits:  80%/4708  
  🟩 Clang12            Pass: 100%/4   | Total: 24m 30s | Avg:  6m 07s | Max:  6m 33s | Hits:  80%/4708  
  🟩 Clang13            Pass: 100%/4   | Total: 24m 13s | Avg:  6m 03s | Max:  6m 19s | Hits:  80%/4708  
  🟩 Clang14            Pass: 100%/4   | Total: 25m 05s | Avg:  6m 16s | Max:  6m 25s | Hits:  80%/4708  
  🟩 Clang15            Pass: 100%/4   | Total: 24m 27s | Avg:  6m 06s | Max:  6m 19s | Hits:  80%/4708  
  🟩 Clang16            Pass: 100%/4   | Total: 25m 45s | Avg:  6m 26s | Max:  6m 35s | Hits:  80%/4708  
  🟩 Clang17            Pass: 100%/18  | Total:  2h 16m | Avg:  7m 36s | Max: 14m 41s | Hits:  89%/21186 
  🟩 GCC6               Pass: 100%/2   | Total: 10m 50s | Avg:  5m 25s | Max:  5m 39s | Hits:  80%/2354  
  🟩 GCC7               Pass: 100%/6   | Total: 47m 53s | Avg:  7m 58s | Max: 21m 50s | Hits:  70%/7068  
  🟩 GCC8               Pass: 100%/6   | Total: 33m 44s | Avg:  5m 37s | Max:  6m 14s | Hits:  80%/7068  
  🟩 GCC9               Pass: 100%/6   | Total: 34m 07s | Avg:  5m 41s | Max:  6m 09s | Hits:  80%/7068  
  🟩 GCC10              Pass: 100%/4   | Total: 24m 14s | Avg:  6m 03s | Max:  6m 30s | Hits:  80%/4712  
  🟩 GCC11              Pass: 100%/7   | Total: 35m 16s | Avg:  5m 02s | Max:  6m 22s | Hits:  88%/8246  
  🟩 GCC12              Pass: 100%/4   | Total: 25m 13s | Avg:  6m 18s | Max:  6m 46s | Hits:  80%/4712  
  🟩 GCC13              Pass: 100%/20  | Total:  2h 35m | Avg:  7m 46s | Max: 19m 45s | Hits:  90%/23560 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 27m 52s | Avg:  9m 17s | Max: 10m 01s | Hits:  80%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 18m 48s | Avg: 18m 48s | Max: 18m 48s | Hits:  79%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total: 32m 43s | Avg: 16m 21s | Max: 16m 34s | Hits:  79%/2346  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  1h 48m | Avg: 18m 04s | Max: 19m 27s | Hits:  89%/7038  
🟩 cxx_family
  🟩 Clang              Pass: 100%/51  | Total:  5h 40m | Avg:  6m 41s | Max: 14m 41s | Hits:  83%/60027 
  🟩 GCC                Pass: 100%/55  | Total:  6h 06m | Avg:  6m 40s | Max: 21m 50s | Hits:  83%/64788 
  🟩 Intel              Pass: 100%/3   | Total: 27m 52s | Avg:  9m 17s | Max: 10m 01s | Hits:  80%/3540  
  🟩 MSVC               Pass: 100%/9   | Total:  2h 39m | Avg: 17m 46s | Max: 19m 27s | Hits:  85%/10557 
🟩 gpu
  🟩 v100               Pass: 100%/118 | Total: 14h 55m | Avg:  7m 35s | Max: 21m 50s | Hits:  83%/138912
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total: 11h 14m | Avg:  6m 48s | Max: 21m 50s | Hits:  81%/116553
  🟩 TestCPU            Pass: 100%/11  | Total:  1h 44m | Avg:  9m 32s | Max: 19m 27s | Hits:  99%/12939 
  🟩 TestGPU            Pass: 100%/8   | Total:  1h 56m | Avg: 14m 31s | Max: 19m 45s | Hits:  95%/9420  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 17m 32s | Avg:  5m 50s | Max:  6m 13s | Hits:  80%/3534  
  🟩 90a                Pass: 100%/4   | Total: 23m 29s | Avg:  5m 52s | Max:  6m 02s | Hits:  80%/4712  
🟩 std
  🟩 11                 Pass: 100%/30  | Total:  3h 24m | Avg:  6m 49s | Max: 21m 50s | Hits:  81%/35328 
  🟩 14                 Pass: 100%/34  | Total:  4h 24m | Avg:  7m 47s | Max: 18m 48s | Hits:  83%/40020 
  🟩 17                 Pass: 100%/33  | Total:  4h 11m | Avg:  7m 36s | Max: 19m 27s | Hits:  84%/38847 
  🟩 20                 Pass: 100%/21  | Total:  2h 54m | Avg:  8m 19s | Max: 19m 45s | Hits:  86%/24717

🟩 pycuda: Pass: 100%/1 | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 ctk
  🟩 12.5               Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 cudacxx
  🟩 nvcc12.5           Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s

👃 Inspect Changes

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	CCCL Infrastructure
	libcu++
	CUB
+/-	Thrust
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	Project
	CCCL Infrastructure
	libcu++
+/-	CUB
+/-	Thrust
	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 250)

#	Runner
178	`linux-amd64-cpu16`
41	`linux-amd64-gpu-v100-latest-1`
16	`linux-arm64-cpu16`
15	`windows-amd64-cpu16`

) This allows us to get rid of partial_sum_type, which still uses the C++11-deprecated function object API ::result_type. Co-authored-by: Georgii Evtushenko <[email protected]>

bernhardmgruber added the thrust For all items related to Thrust. label Jul 17, 2024

bernhardmgruber mentioned this pull request Jul 17, 2024

Improve binary function objects and replace thrust implementation #1872

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3 tasks

bernhardmgruber marked this pull request as ready for review July 17, 2024 12:07

bernhardmgruber requested review from a team as code owners July 17, 2024 12:07

bernhardmgruber requested review from miscco and ericniebler July 17, 2024 12:07

bernhardmgruber force-pushed the partial_sum_type branch from f735ab9 to 0de25a6 Compare July 17, 2024 17:29

bernhardmgruber requested a review from gevtushenko July 18, 2024 08:20

bernhardmgruber force-pushed the partial_sum_type branch 2 times, most recently from 8af06ab to 949cc83 Compare July 18, 2024 20:00

bernhardmgruber force-pushed the partial_sum_type branch from 949cc83 to e837d2b Compare July 22, 2024 19:23

bernhardmgruber force-pushed the partial_sum_type branch 3 times, most recently from e3f8056 to fc71d1d Compare July 22, 2024 19:31

bernhardmgruber changed the title ~~Use value iterator's value type for partial sums in TBB reduce_by_key~~ Use accumulator_t's logic for partial sums in TBB reduce_by_key Jul 22, 2024

gevtushenko reviewed Jul 25, 2024

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thrust/thrust/system/tbb/detail/reduce_by_key.inl Outdated Show resolved Hide resolved

thrust/thrust/system/tbb/detail/reduce_by_key.inl Outdated Show resolved Hide resolved

bernhardmgruber and others added 4 commits July 25, 2024 21:21

Use value iterator's value type for partial sums in TBB reduce_by_key

26b39fe

This allows us to get rid of partial_sum_type, which still uses the C++11-deprecated function object API ::result_type.

Address reviewer feedback

51187b2

Address feedback from code review hour

0ed0a51

Apply feedback from georgii

d59607b

Co-authored-by: Georgii Evtushenko <[email protected]>

bernhardmgruber force-pushed the partial_sum_type branch from e781f99 to d59607b Compare July 25, 2024 19:22

Remove unused header

db60bcc

gevtushenko approved these changes Jul 25, 2024

View reviewed changes

bernhardmgruber changed the title ~~Use accumulator_t's logic for partial sums in TBB reduce_by_key~~ Avoid ::result_type for partial sums in TBB reduce_by_key Jul 26, 2024

bernhardmgruber merged commit b761538 into NVIDIA:main Jul 26, 2024
263 of 265 checks passed

bernhardmgruber deleted the partial_sum_type branch July 26, 2024 14:55

Avoid ::result_type for partial sums in TBB reduce_by_key #1998

Avoid ::result_type for partial sums in TBB reduce_by_key #1998

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bernhardmgruber commented Jul 17, 2024

github-actions bot commented Jul 17, 2024

🟨 cub: Pass: 99%/131 | Total: 19h 50m | Avg: 9m 05s | Max: 42m 13s | Hits: 99%/108575

🟩 thrust: Pass: 100%/118 | Total: 15h 26m | Avg: 7m 51s | Max: 31m 46s | Hits: 84%/138912

🟩 pycuda: Pass: 100%/1 | Total: 11m 51s | Avg: 11m 51s | Max: 11m 51s

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github-actions bot commented Jul 17, 2024

🟨 cub: Pass: 99%/131 | Total: 2d 21h | Avg: 31m 48s | Max: 1h 09m | Hits: 48%/108575

🟩 thrust: Pass: 100%/118 | Total: 2d 08h | Avg: 28m 45s | Max: 1h 05m | Hits: 33%/138912

🟩 pycuda: Pass: 100%/1 | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

👃 Inspect Changes

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🏃‍ Runner counts (total jobs: 250)

github-actions bot commented Jul 18, 2024

🟩 cub: Pass: 100%/131 | Total: 2d 21h | Avg: 31m 53s | Max: 1h 09m | Hits: 48%/109429

🟩 thrust: Pass: 100%/118 | Total: 2d 08h | Avg: 28m 45s | Max: 1h 05m | Hits: 33%/138912

🟩 pycuda: Pass: 100%/1 | Total: 10m 52s | Avg: 10m 52s | Max: 10m 52s

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🏃‍ Runner counts (total jobs: 250)

alliepiper commented Jul 18, 2024 • edited Loading

bernhardmgruber commented Jul 18, 2024

miscco commented Jul 22, 2024

bernhardmgruber commented Jul 22, 2024

github-actions bot commented Jul 22, 2024

🟩 cub: Pass: 100%/131 | Total: 2d 18h | Avg: 30m 22s | Max: 51m 10s | Hits: 70%/109429

🟩 thrust: Pass: 100%/118 | Total: 2d 05h | Avg: 27m 03s | Max: 1h 00m | Hits: 54%/138912

🟩 pycuda: Pass: 100%/1 | Total: 11m 48s | Avg: 11m 48s | Max: 11m 48s

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github-actions bot commented Jul 26, 2024

🟨 cub: Pass: 93%/131 | Total: 17h 03m | Avg: 7m 48s | Max: 28m 26s | Hits: 99%/103321

🟨 thrust: Pass: 98%/118 | Total: 14h 44m | Avg: 7m 29s | Max: 21m 50s | Hits: 83%/136556

🟥 pycuda: Pass: 0%/1 | Total: 4m 51s | Avg: 4m 51s | Max: 4m 51s

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github-actions bot commented Jul 26, 2024

🟩 cub: Pass: 100%/131 | Total: 18h 58m | Avg: 8m 41s | Max: 28m 26s | Hits: 99%/111124

🟩 thrust: Pass: 100%/118 | Total: 14h 55m | Avg: 7m 35s | Max: 21m 50s | Hits: 83%/138912

🟩 pycuda: Pass: 100%/1 | Total: 12m 15s | Avg: 12m 15s | Max: 12m 15s

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Avoid `::result_type` for partial sums in TBB reduce_by_key #1998

Avoid `::result_type` for partial sums in TBB reduce_by_key #1998

alliepiper commented Jul 18, 2024 •

edited

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