CUB - Enable DPX Reduction #2286

fbusato · 2024-08-23T23:52:26Z

Address #2032

Enable DPX SIMD comparison (min/max) instructions for Hopper+ architectures for uint16_t and int16_t data types

Additional optimizations, not strictly relatated to DPX, and overloading clean up will be part of another issue/PR

NVIDIA H100 80GB HBM3

T{ct}	OffsetT{ct}	Elements{io}	Ref Time	Ref Noise	Cmp Time	Cmp Noise	Diff	%Diff
I16	I32	2^16	7.396 us	2.12%	7.096 us	2.93%	-0.300 us	-4.05%
I16	I32	2^20	9.194 us	2.56%	8.810 us	1.93%	-0.384 us	-4.18%
I16	I32	2^24	23.741 us	1.58%	23.163 us	1.51%	-0.579 us	-2.44%
I16	I32	2^28	190.121 us	2.02%	186.033 us	2.06%	-4.088 us	-2.15%
I16	I64	2^16	8.177 us	2.82%	7.897 us	2.43%	-0.280 us	-3.42%
I16	I64	2^20	9.321 us	2.41%	8.994 us	2.65%	-0.326 us	-3.50%
I16	I64	2^24	23.962 us	1.51%	23.315 us	1.72%	-0.646 us	-2.70%
I16	I64	2^28	188.797 us	2.01%	186.692 us	2.09%	-2.105 us	-1.12%

NVIDIA H200

T{ct}	OffsetT{ct}	Elements{io}	Ref Time	Ref Noise	Cmp Time	Cmp Noise	Diff	%Diff
I16	I32	2^16	6.755 us	2.35%	6.659 us	2.13%	-0.096 us	-1.42%
I16	I32	2^20	8.369 us	2.15%	8.222 us	2.67%	-0.147 us	-1.75%
I16	I32	2^24	20.177 us	1.95%	18.575 us	1.94%	-1.602 us	-7.94%
I16	I32	2^28	140.403 us	1.78%	135.501 us	1.81%	-4.903 us	-3.49%
I16	I64	2^16	7.545 us	1.97%	7.478 us	2.24%	-0.066 us	-0.88%
I16	I64	2^20	8.270 us	2.46%	8.230 us	2.32%	-0.040 us	-0.48%
I16	I64	2^24	20.515 us	1.85%	18.961 us	2.14%	-1.554 us	-7.57%
I16	I64	2^28	138.206 us	1.71%	135.782 us	1.71%	-2.424 us	-1.75%

copy-pr-bot · 2024-08-23T23:52:30Z

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cub/cub/thread/thread_reduce.cuh

cub/cub/detail/type_traits.cuh

cub/cub/thread/thread_operators.cuh

cub/cub/thread/thread_reduce.cuh

cub/test/catch2_test_device_reduce.cu

cub/test/catch2_test_device_segmented_sort_pairs.cu

fbusato · 2024-08-27T00:04:38Z

thanks @bernhardmgruber @miscco @mfbalin for all your suggestions!
The current code address all of them.
Please also take a look at the performance results in the PR description.

bernhardmgruber

In principle, LGTM. Here are some more suggestions:

cub/cub/detail/type_traits.cuh

cub/cub/thread/thread_reduce.cuh

gevtushenko · 2024-08-28T19:59:14Z

/ok to test

…dpx-reduction

fbusato · 2024-09-04T00:23:38Z

/ok to test

fbusato · 2024-09-04T00:25:40Z

@gevtushenko @bernhardmgruber @miscco I practically rewrote thread_reduce.cuh for C++11 compliance and added several improvements. Could you please kindly review the code in thread/thread_reduce.cuh and detail/type_traits.cuh?

bernhardmgruber

Here is some feedback:

bernhardmgruber · 2024-09-04T08:06:53Z

cub/cub/detail/type_traits.cuh

+#define _CUB_TEMPLATE_REQUIRES(...) ::cuda::std::__enable_if_t<(__VA_ARGS__)>* = nullptr
+


Suggestion: This feels generic enough to be part of libcu++ and be named _CCCL_TEMPLATE_REQUIRES. @miscco maybe this is already covered by your concept emulation?

cub/cub/detail/type_traits.cuh

cub/cub/thread/thread_reduce.cuh

…dpx-reduction

fbusato · 2024-09-04T18:58:54Z

/ok to test

fbusato · 2024-09-04T21:42:22Z

/ok to test

fbusato · 2024-09-04T23:00:43Z

/ok to test

github-actions · 2024-09-05T03:48:06Z

🟨 CI finished in 4h 44m: Pass: 83%/251 | Total: 6d 07h | Avg: 36m 16s | Max: 1h 12m | Hits: 69%/24387

🟨 cub: Pass: 75%/132 | Total: 3d 21h | Avg: 42m 27s | Max: 1h 12m | Hits: 33%/4308

🔍 cpu: amd64 🔍
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  🟩 arm64              Pass: 100%/8   | Total:  7h 08m | Avg: 53m 33s | Max: 55m 18s
🔍 ctk: 12.5 🔍
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🔍 cudacxx: nvcc12.5 🔍
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 49m 23s | Avg: 24m 41s | Max: 25m 45s
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  🟩 MSVC14.16          Pass: 100%/1   | Total: 58m 35s | Avg: 58m 35s | Max: 58m 35s | Hits:  33%/718   
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 12m | Hits:  33%/1436  
  🟩 MSVC14.39          Pass: 100%/3   | Total:  3h 22m | Avg:  1h 07m | Max:  1h 09m | Hits:  33%/2154  
🟨 cxx_family
  🟨 Clang              Pass:  72%/59  | Total:  1d 16h | Avg: 41m 08s | Max: 57m 48s
  🟨 GCC                Pass:  73%/64  | Total:  1d 19h | Avg: 40m 43s | Max:  1h 11m
  🟩 Intel              Pass: 100%/3   | Total:  2h 52m | Avg: 57m 21s | Max: 58m 40s
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🟨 jobs
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  🟨 20                 Pass:  66%/24  | Total: 15h 28m | Avg: 38m 42s | Max:  1h 09m | Hits:  33%/718

🟨 thrust: Pass: 93%/118 | Total: 2d 10h | Avg: 29m 33s | Max: 1h 09m | Hits: 76%/20079

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  92%/110 | Total:  2d 06h | Avg: 29m 40s | Max:  1h 09m | Hits:  76%/20079 
  🟩 arm64              Pass: 100%/8   | Total:  3h 44m | Avg: 28m 07s | Max: 31m 45s
🔍 ctk: 12.5 🔍
  🟩 11.1               Pass: 100%/15  | Total:  7h 19m | Avg: 29m 19s | Max: 54m 03s | Hits:  65%/2231  
  🟩 11.8               Pass: 100%/3   | Total:  2h 04m | Avg: 41m 37s | Max: 48m 02s
  🔍 12.5               Pass:  92%/100 | Total:  2d 00h | Avg: 29m 14s | Max:  1h 09m | Hits:  78%/17848 
🔍 cudacxx: nvcc12.5 🔍
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 59m 29s | Avg: 29m 44s | Max: 30m 43s
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 19m | Avg: 29m 19s | Max: 54m 03s | Hits:  65%/2231  
  🟩 nvcc11.8           Pass: 100%/3   | Total:  2h 04m | Avg: 41m 37s | Max: 48m 02s
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🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 59m 29s | Avg: 29m 44s | Max: 30m 43s
  🔍 nvcc               Pass:  93%/116 | Total:  2d 09h | Avg: 29m 33s | Max:  1h 09m | Hits:  76%/20079 
🚨 jobs: TestGPU 🚨
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  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  1h 52m | Avg: 37m 33s | Max: 45m 01s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 54m 03s | Avg: 54m 03s | Max: 54m 03s | Hits:  65%/2231  
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  🟩 MSVC14.39          Pass: 100%/6   | Total:  4h 28m | Avg: 44m 40s | Max:  1h 09m | Hits:  82%/13386 
🟨 cxx_family
  🟨 Clang              Pass:  92%/51  | Total: 23h 15m | Avg: 27m 21s | Max: 38m 09s
  🟨 GCC                Pass:  92%/55  | Total:  1d 01h | Avg: 27m 52s | Max: 48m 02s
  🟩 Intel              Pass: 100%/3   | Total:  1h 52m | Avg: 37m 33s | Max: 45m 01s
  🟩 MSVC               Pass: 100%/9   | Total:  7h 27m | Avg: 49m 44s | Max:  1h 09m | Hits:  76%/20079 
🟨 gpu
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  🟩 90a                Pass: 100%/4   | Total:  1h 16m | Avg: 19m 02s | Max: 21m 13s
🟨 std
  🟨 11                 Pass:  93%/30  | Total: 11h 49m | Avg: 23m 39s | Max: 34m 00s
  🟨 14                 Pass:  94%/34  | Total: 17h 51m | Avg: 31m 31s | Max:  1h 02m | Hits:  74%/8924  
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  🟨 20                 Pass:  90%/21  | Total: 10h 34m | Avg: 30m 13s | Max:  1h 09m | Hits:  82%/4462

🟥 pycuda: Pass: 0%/1 | Total: 13m 58s | Avg: 13m 58s | Max: 13m 58s

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👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 251)

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

github-actions · 2024-09-05T06:18:32Z

🟨 CI finished in 7h 14m: Pass: 83%/251 | Total: 6d 08h | Avg: 36m 26s | Max: 1h 12m | Hits: 69%/24387

🟨 cub: Pass: 75%/132 | Total: 3d 21h | Avg: 42m 34s | Max: 1h 12m | Hits: 33%/4308

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  73%/124 | Total:  3d 14h | Avg: 41m 52s | Max:  1h 12m | Hits:  33%/4308  
  🟩 arm64              Pass: 100%/8   | Total:  7h 08m | Avg: 53m 33s | Max: 55m 18s
🔍 ctk: 12.5 🔍
  🟩 11.1               Pass: 100%/15  | Total: 11h 17m | Avg: 45m 10s | Max: 58m 35s | Hits:  33%/718   
  🟩 11.8               Pass: 100%/3   | Total:  3h 28m | Avg:  1h 09m | Max:  1h 11m
  🔍 12.5               Pass:  71%/114 | Total:  3d 06h | Avg: 41m 31s | Max:  1h 12m | Hits:  33%/3590  
🔍 cudacxx: nvcc12.5 🔍
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 49m 23s | Avg: 24m 41s | Max: 25m 45s
  🟩 nvcc11.1           Pass: 100%/15  | Total: 11h 17m | Avg: 45m 10s | Max: 58m 35s | Hits:  33%/718   
  🟩 nvcc11.8           Pass: 100%/3   | Total:  3h 28m | Avg:  1h 09m | Max:  1h 11m
  🔍 nvcc12.5           Pass:  70%/112 | Total:  3d 06h | Avg: 41m 49s | Max:  1h 12m | Hits:  33%/3590  
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 49m 23s | Avg: 24m 41s | Max: 25m 45s
  🔍 nvcc               Pass:  74%/130 | Total:  3d 20h | Avg: 42m 51s | Max:  1h 12m | Hits:  33%/4308  
🟨 cxx
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  🟩 GCC12              Pass: 100%/4   | Total:  3h 42m | Avg: 55m 43s | Max: 57m 36s
  🟨 GCC13              Pass:  41%/29  | Total: 13h 01m | Avg: 26m 56s | Max: 55m 18s
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 52m | Avg: 57m 21s | Max: 58m 40s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 58m 35s | Avg: 58m 35s | Max: 58m 35s | Hits:  33%/718   
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 12m | Hits:  33%/1436  
  🟩 MSVC14.39          Pass: 100%/3   | Total:  3h 22m | Avg:  1h 07m | Max:  1h 09m | Hits:  33%/2154  
🟨 cxx_family
  🟨 Clang              Pass:  72%/59  | Total:  1d 16h | Avg: 41m 39s | Max: 57m 48s
  🟨 GCC                Pass:  73%/64  | Total:  1d 19h | Avg: 40m 29s | Max:  1h 11m
  🟩 Intel              Pass: 100%/3   | Total:  2h 52m | Avg: 57m 21s | Max: 58m 40s
  🟩 MSVC               Pass: 100%/6   | Total:  6h 38m | Avg:  1h 06m | Max:  1h 12m | Hits:  33%/4308  
🟨 jobs
  🟩 Build              Pass: 100%/99  | Total:  3d 13h | Avg: 51m 44s | Max:  1h 12m | Hits:  33%/4308  
  🟥 DeviceLaunch       Pass:   0%/8   | Total:  1h 40m | Avg: 12m 32s | Max: 15m 56s
  🟥 GraphCapture       Pass:   0%/8   | Total:  1h 28m | Avg: 11m 05s | Max: 13m 03s
  🟥 HostLaunch         Pass:   0%/8   | Total:  1h 35m | Avg: 11m 55s | Max: 16m 22s
  🟥 SmallGMem          Pass:   0%/1   | Total: 23m 09s | Avg: 23m 09s | Max: 23m 09s
  🟥 TestGPU            Pass:   0%/8   | Total:  3h 09m | Avg: 23m 39s | Max: 29m 27s
🟨 gpu
  🟨 v100               Pass:  75%/132 | Total:  3d 21h | Avg: 42m 34s | Max:  1h 12m | Hits:  33%/4308  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  3h 28m | Avg:  1h 09m | Max:  1h 11m
  🟩 90a                Pass: 100%/4   | Total:  1h 40m | Avg: 25m 10s | Max: 25m 56s
🟨 std
  🟨 11                 Pass:  76%/34  | Total:  1d 00h | Avg: 42m 38s | Max:  1h 07m
  🟨 14                 Pass:  78%/37  | Total:  1d 03h | Avg: 43m 54s | Max:  1h 11m | Hits:  33%/2154  
  🟨 17                 Pass:  75%/37  | Total:  1d 02h | Avg: 43m 31s | Max:  1h 12m | Hits:  33%/1436  
  🟨 20                 Pass:  66%/24  | Total: 15h 35m | Avg: 38m 58s | Max:  1h 09m | Hits:  33%/718

🟨 thrust: Pass: 93%/118 | Total: 2d 10h | Avg: 29m 47s | Max: 1h 09m | Hits: 76%/20079

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  92%/110 | Total:  2d 06h | Avg: 29m 54s | Max:  1h 09m | Hits:  76%/20079 
  🟩 arm64              Pass: 100%/8   | Total:  3h 44m | Avg: 28m 07s | Max: 31m 45s
🔍 ctk: 12.5 🔍
  🟩 11.1               Pass: 100%/15  | Total:  7h 19m | Avg: 29m 19s | Max: 54m 03s | Hits:  65%/2231  
  🟩 11.8               Pass: 100%/3   | Total:  2h 04m | Avg: 41m 37s | Max: 48m 02s
  🔍 12.5               Pass:  92%/100 | Total:  2d 01h | Avg: 29m 30s | Max:  1h 09m | Hits:  78%/17848 
🔍 cudacxx: nvcc12.5 🔍
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 59m 29s | Avg: 29m 44s | Max: 30m 43s
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 19m | Avg: 29m 19s | Max: 54m 03s | Hits:  65%/2231  
  🟩 nvcc11.8           Pass: 100%/3   | Total:  2h 04m | Avg: 41m 37s | Max: 48m 02s
  🔍 nvcc12.5           Pass:  91%/98  | Total:  2d 00h | Avg: 29m 30s | Max:  1h 09m | Hits:  78%/17848 
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 59m 29s | Avg: 29m 44s | Max: 30m 43s
  🔍 nvcc               Pass:  93%/116 | Total:  2d 09h | Avg: 29m 47s | Max:  1h 09m | Hits:  76%/20079 
🚨 jobs: TestGPU 🚨
  🟩 Build              Pass: 100%/99  | Total:  2d 06h | Avg: 32m 45s | Max:  1h 09m | Hits:  65%/13386 
  🟩 TestCPU            Pass: 100%/11  | Total:  2h 11m | Avg: 11m 55s | Max: 24m 55s | Hits:  99%/6693  
  🔥 TestGPU            Pass:   0%/8   | Total:  2h 21m | Avg: 17m 39s | Max: 19m 09s
🟨 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  2h 54m | Avg: 29m 08s | Max: 36m 25s
  🟩 Clang10            Pass: 100%/3   | Total:  1h 38m | Avg: 32m 52s | Max: 38m 09s
  🟩 Clang11            Pass: 100%/4   | Total:  2h 03m | Avg: 30m 57s | Max: 34m 34s
  🟩 Clang12            Pass: 100%/4   | Total:  2h 02m | Avg: 30m 41s | Max: 34m 13s
  🟩 Clang13            Pass: 100%/4   | Total:  1h 59m | Avg: 29m 49s | Max: 33m 07s
  🟩 Clang14            Pass: 100%/4   | Total:  2h 05m | Avg: 31m 16s | Max: 34m 37s
  🟩 Clang15            Pass: 100%/4   | Total:  1h 58m | Avg: 29m 39s | Max: 33m 27s
  🟩 Clang16            Pass: 100%/4   | Total:  2h 08m | Avg: 32m 08s | Max: 33m 48s
  🟨 Clang17            Pass:  77%/18  | Total:  6h 31m | Avg: 21m 46s | Max: 36m 16s
  🟩 GCC6               Pass: 100%/2   | Total: 54m 25s | Avg: 27m 12s | Max: 30m 39s
  🟩 GCC7               Pass: 100%/6   | Total:  2h 49m | Avg: 28m 19s | Max: 33m 17s
  🟩 GCC8               Pass: 100%/6   | Total:  2h 58m | Avg: 29m 48s | Max: 35m 07s
  🟩 GCC9               Pass: 100%/6   | Total:  3h 05m | Avg: 30m 53s | Max: 35m 05s
  🟩 GCC10              Pass: 100%/4   | Total:  2h 15m | Avg: 33m 49s | Max: 36m 22s
  🟩 GCC11              Pass: 100%/7   | Total:  4h 17m | Avg: 36m 45s | Max: 48m 02s
  🟩 GCC12              Pass: 100%/4   | Total:  2h 14m | Avg: 33m 41s | Max: 38m 34s
  🟨 GCC13              Pass:  80%/20  | Total:  7h 15m | Avg: 21m 47s | Max: 40m 07s
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  1h 52m | Avg: 37m 33s | Max: 45m 01s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 54m 03s | Avg: 54m 03s | Max: 54m 03s | Hits:  65%/2231  
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 05m | Avg:  1h 02m | Max:  1h 04m | Hits:  65%/4462  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  4h 28m | Avg: 44m 40s | Max:  1h 09m | Hits:  82%/13386 
🟨 cxx_family
  🟨 Clang              Pass:  92%/51  | Total: 23h 23m | Avg: 27m 31s | Max: 38m 09s
  🟨 GCC                Pass:  92%/55  | Total:  1d 01h | Avg: 28m 12s | Max: 48m 02s
  🟩 Intel              Pass: 100%/3   | Total:  1h 52m | Avg: 37m 33s | Max: 45m 01s
  🟩 MSVC               Pass: 100%/9   | Total:  7h 27m | Avg: 49m 44s | Max:  1h 09m | Hits:  76%/20079 
🟨 gpu
  🟨 v100               Pass:  93%/118 | Total:  2d 10h | Avg: 29m 47s | Max:  1h 09m | Hits:  76%/20079 
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  2h 04m | Avg: 41m 37s | Max: 48m 02s
  🟩 90a                Pass: 100%/4   | Total:  1h 16m | Avg: 19m 02s | Max: 21m 13s
🟨 std
  🟨 11                 Pass:  93%/30  | Total: 11h 52m | Avg: 23m 44s | Max: 34m 00s
  🟨 14                 Pass:  94%/34  | Total: 17h 58m | Avg: 31m 43s | Max:  1h 02m | Hits:  74%/8924  
  🟨 17                 Pass:  93%/33  | Total: 18h 07m | Avg: 32m 56s | Max:  1h 04m | Hits:  76%/6693  
  🟨 20                 Pass:  90%/21  | Total: 10h 37m | Avg: 30m 20s | Max:  1h 09m | Hits:  82%/4462

🟥 pycuda: Pass: 0%/1 | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s

🟥 cpu
  🟥 amd64              Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 ctk
  🟥 12.5               Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 cudacxx
  🟥 nvcc12.5           Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 cudacxx_family
  🟥 nvcc               Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 cxx
  🟥 GCC13              Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 cxx_family
  🟥 GCC                Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 gpu
  🟥 v100               Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s
🟥 jobs
  🟥 Test               Pass:   0%/1   | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s

👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 251)

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

fbusato · 2024-09-05T21:58:24Z

/ok to test

…dpx-reduction

fbusato · 2024-09-05T23:05:35Z

/ok to test

github-actions · 2024-09-06T05:37:10Z

🟩 CI finished in 6h 28m: Pass: 100%/251 | Total: 6d 16h | Avg: 38m 22s | Max: 1h 36m | Hits: 68%/24387

🟩 cub: Pass: 100%/132 | Total: 4d 06h | Avg: 46m 34s | Max: 1h 36m | Hits: 28%/4308

🟩 cpu
  🟩 amd64              Pass: 100%/124 | Total:  3d 23h | Avg: 46m 05s | Max:  1h 36m | Hits:  28%/4308  
  🟩 arm64              Pass: 100%/8   | Total:  7h 12m | Avg: 54m 06s | Max: 55m 57s
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total: 11h 42m | Avg: 46m 48s | Max: 53m 04s | Hits:  28%/718   
  🟩 11.8               Pass: 100%/3   | Total:  3h 36m | Avg:  1h 12m | Max:  1h 16m
  🟩 12.5               Pass: 100%/114 | Total:  3d 15h | Avg: 45m 52s | Max:  1h 36m | Hits:  28%/3590  
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 48m 09s | Avg: 24m 04s | Max: 24m 45s
  🟩 nvcc11.1           Pass: 100%/15  | Total: 11h 42m | Avg: 46m 48s | Max: 53m 04s | Hits:  28%/718   
  🟩 nvcc11.8           Pass: 100%/3   | Total:  3h 36m | Avg:  1h 12m | Max:  1h 16m
  🟩 nvcc12.5           Pass: 100%/112 | Total:  3d 14h | Avg: 46m 15s | Max:  1h 36m | Hits:  28%/3590  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 48m 09s | Avg: 24m 04s | Max: 24m 45s
  🟩 nvcc               Pass: 100%/130 | Total:  4d 05h | Avg: 46m 55s | Max:  1h 36m | Hits:  28%/4308  
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  5h 01m | Avg: 50m 10s | Max: 56m 53s
  🟩 Clang10            Pass: 100%/3   | Total:  2h 33m | Avg: 51m 05s | Max: 51m 37s
  🟩 Clang11            Pass: 100%/4   | Total:  3h 38m | Avg: 54m 37s | Max: 56m 33s
  🟩 Clang12            Pass: 100%/4   | Total:  3h 42m | Avg: 55m 40s | Max: 57m 04s
  🟩 Clang13            Pass: 100%/4   | Total:  3h 35m | Avg: 53m 54s | Max: 57m 06s
  🟩 Clang14            Pass: 100%/4   | Total:  3h 29m | Avg: 52m 18s | Max: 54m 56s
  🟩 Clang15            Pass: 100%/4   | Total:  3h 38m | Avg: 54m 41s | Max: 58m 14s
  🟩 Clang16            Pass: 100%/4   | Total:  3h 38m | Avg: 54m 34s | Max: 56m 30s
  🟩 Clang17            Pass: 100%/26  | Total: 13h 59m | Avg: 32m 17s | Max: 56m 03s
  🟩 GCC6               Pass: 100%/2   | Total:  1h 31m | Avg: 45m 31s | Max: 48m 20s
  🟩 GCC7               Pass: 100%/6   | Total:  4h 49m | Avg: 48m 11s | Max: 52m 56s
  🟩 GCC8               Pass: 100%/6   | Total:  5h 05m | Avg: 50m 53s | Max: 56m 29s
  🟩 GCC9               Pass: 100%/6   | Total:  4h 51m | Avg: 48m 37s | Max: 51m 59s
  🟩 GCC10              Pass: 100%/4   | Total:  3h 46m | Avg: 56m 35s | Max: 57m 57s
  🟩 GCC11              Pass: 100%/7   | Total:  7h 16m | Avg:  1h 02m | Max:  1h 16m
  🟩 GCC12              Pass: 100%/4   | Total:  3h 32m | Avg: 53m 01s | Max: 55m 43s
  🟩 GCC13              Pass: 100%/29  | Total: 18h 53m | Avg: 39m 04s | Max:  1h 36m
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  2h 51m | Avg: 57m 12s | Max:  1h 00m
  🟩 MSVC14.16          Pass: 100%/1   | Total: 53m 04s | Avg: 53m 04s | Max: 53m 04s | Hits:  28%/718   
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 12m | Avg:  1h 06m | Max:  1h 06m | Hits:  28%/1436  
  🟩 MSVC14.39          Pass: 100%/3   | Total:  3h 28m | Avg:  1h 09m | Max:  1h 10m | Hits:  28%/2154  
🟩 cxx_family
  🟩 Clang              Pass: 100%/59  | Total:  1d 19h | Avg: 44m 00s | Max: 58m 14s
  🟩 GCC                Pass: 100%/64  | Total:  2d 01h | Avg: 46m 38s | Max:  1h 36m
  🟩 Intel              Pass: 100%/3   | Total:  2h 51m | Avg: 57m 12s | Max:  1h 00m
  🟩 MSVC               Pass: 100%/6   | Total:  6h 34m | Avg:  1h 05m | Max:  1h 10m | Hits:  28%/4308  
🟩 gpu
  🟩 v100               Pass: 100%/132 | Total:  4d 06h | Avg: 46m 34s | Max:  1h 36m | Hits:  28%/4308  
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  3d 14h | Avg: 52m 18s | Max:  1h 16m | Hits:  28%/4308  
  🟩 DeviceLaunch       Pass: 100%/8   | Total:  3h 48m | Avg: 28m 34s | Max:  1h 30m
  🟩 GraphCapture       Pass: 100%/8   | Total:  3h 20m | Avg: 25m 02s | Max:  1h 26m
  🟩 HostLaunch         Pass: 100%/8   | Total:  3h 40m | Avg: 27m 32s | Max:  1h 13m
  🟩 SmallGMem          Pass: 100%/1   | Total: 31m 41s | Avg: 31m 41s | Max: 31m 41s
  🟩 TestGPU            Pass: 100%/8   | Total:  4h 48m | Avg: 36m 02s | Max:  1h 36m
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  3h 36m | Avg:  1h 12m | Max:  1h 16m
  🟩 90a                Pass: 100%/4   | Total:  1h 34m | Avg: 23m 37s | Max: 25m 48s
🟩 std
  🟩 11                 Pass: 100%/34  | Total:  1d 05h | Avg: 51m 59s | Max:  1h 36m
  🟩 14                 Pass: 100%/37  | Total:  1d 04h | Avg: 46m 04s | Max:  1h 09m | Hits:  28%/2154  
  🟩 17                 Pass: 100%/37  | Total:  1d 03h | Avg: 45m 14s | Max:  1h 14m | Hits:  28%/1436  
  🟩 20                 Pass: 100%/24  | Total: 16h 41m | Avg: 41m 43s | Max:  1h 08m | Hits:  28%/718

🟩 thrust: Pass: 100%/118 | Total: 2d 09h | Avg: 29m 24s | Max: 1h 06m | Hits: 76%/20079

🟩 cpu
  🟩 amd64              Pass: 100%/110 | Total:  2d 06h | Avg: 29m 27s | Max:  1h 06m | Hits:  76%/20079 
  🟩 arm64              Pass: 100%/8   | Total:  3h 49m | Avg: 28m 39s | Max: 32m 16s
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  7h 13m | Avg: 28m 53s | Max:  1h 00m | Hits:  65%/2231  
  🟩 11.8               Pass: 100%/3   | Total:  2h 04m | Avg: 41m 31s | Max: 48m 38s
  🟩 12.5               Pass: 100%/100 | Total:  2d 00h | Avg: 29m 07s | Max:  1h 06m | Hits:  78%/17848 
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 57m 52s | Avg: 28m 56s | Max: 29m 51s
  🟩 nvcc11.1           Pass: 100%/15  | Total:  7h 13m | Avg: 28m 53s | Max:  1h 00m | Hits:  65%/2231  
  🟩 nvcc11.8           Pass: 100%/3   | Total:  2h 04m | Avg: 41m 31s | Max: 48m 38s
  🟩 nvcc12.5           Pass: 100%/98  | Total:  1d 23h | Avg: 29m 07s | Max:  1h 06m | Hits:  78%/17848 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 57m 52s | Avg: 28m 56s | Max: 29m 51s
  🟩 nvcc               Pass: 100%/116 | Total:  2d 08h | Avg: 29m 24s | Max:  1h 06m | Hits:  76%/20079 
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total:  2h 46m | Avg: 27m 49s | Max: 33m 53s
  🟩 Clang10            Pass: 100%/3   | Total:  1h 36m | Avg: 32m 05s | Max: 33m 30s
  🟩 Clang11            Pass: 100%/4   | Total:  1h 55m | Avg: 28m 58s | Max: 31m 05s
  🟩 Clang12            Pass: 100%/4   | Total:  1h 59m | Avg: 29m 46s | Max: 34m 01s
  🟩 Clang13            Pass: 100%/4   | Total:  2h 04m | Avg: 31m 14s | Max: 35m 17s
  🟩 Clang14            Pass: 100%/4   | Total:  2h 10m | Avg: 32m 31s | Max: 36m 24s
  🟩 Clang15            Pass: 100%/4   | Total:  2h 03m | Avg: 30m 58s | Max: 34m 18s
  🟩 Clang16            Pass: 100%/4   | Total:  2h 04m | Avg: 31m 13s | Max: 34m 51s
  🟩 Clang17            Pass: 100%/18  | Total:  6h 09m | Avg: 20m 30s | Max: 32m 54s
  🟩 GCC6               Pass: 100%/2   | Total: 49m 20s | Avg: 24m 40s | Max: 27m 50s
  🟩 GCC7               Pass: 100%/6   | Total:  2h 58m | Avg: 29m 47s | Max: 34m 33s
  🟩 GCC8               Pass: 100%/6   | Total:  2h 59m | Avg: 29m 51s | Max: 36m 55s
  🟩 GCC9               Pass: 100%/6   | Total:  3h 06m | Avg: 31m 03s | Max: 37m 55s
  🟩 GCC10              Pass: 100%/4   | Total:  2h 13m | Avg: 33m 23s | Max: 35m 49s
  🟩 GCC11              Pass: 100%/7   | Total:  4h 15m | Avg: 36m 32s | Max: 48m 38s
  🟩 GCC12              Pass: 100%/4   | Total:  2h 21m | Avg: 35m 22s | Max: 40m 03s
  🟩 GCC13              Pass: 100%/20  | Total:  6h 57m | Avg: 20m 51s | Max: 37m 57s
  🟩 Intel2023.2.0      Pass: 100%/3   | Total:  1h 57m | Avg: 39m 15s | Max: 43m 16s
  🟩 MSVC14.16          Pass: 100%/1   | Total:  1h 00m | Avg:  1h 00m | Max:  1h 00m | Hits:  65%/2231  
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 01m | Avg:  1h 00m | Max:  1h 04m | Hits:  65%/4462  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  4h 17m | Avg: 42m 53s | Max:  1h 06m | Hits:  82%/13386 
🟩 cxx_family
  🟩 Clang              Pass: 100%/51  | Total: 22h 51m | Avg: 26m 52s | Max: 36m 24s
  🟩 GCC                Pass: 100%/55  | Total:  1d 01h | Avg: 28m 01s | Max: 48m 38s
  🟩 Intel              Pass: 100%/3   | Total:  1h 57m | Avg: 39m 15s | Max: 43m 16s
  🟩 MSVC               Pass: 100%/9   | Total:  7h 19m | Avg: 48m 51s | Max:  1h 06m | Hits:  76%/20079 
🟩 gpu
  🟩 v100               Pass: 100%/118 | Total:  2d 09h | Avg: 29m 24s | Max:  1h 06m | Hits:  76%/20079 
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  2d 05h | Avg: 32m 40s | Max:  1h 06m | Hits:  65%/13386 
  🟩 TestCPU            Pass: 100%/11  | Total:  2h 10m | Avg: 11m 49s | Max: 26m 06s | Hits:  99%/6693  
  🟩 TestGPU            Pass: 100%/8   | Total:  1h 44m | Avg: 13m 06s | Max: 15m 33s
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total:  2h 04m | Avg: 41m 31s | Max: 48m 38s
  🟩 90a                Pass: 100%/4   | Total:  1h 15m | Avg: 18m 45s | Max: 20m 14s
🟩 std
  🟩 11                 Pass: 100%/30  | Total: 11h 44m | Avg: 23m 28s | Max: 34m 10s
  🟩 14                 Pass: 100%/34  | Total: 17h 37m | Avg: 31m 05s | Max:  1h 00m | Hits:  74%/8924  
  🟩 17                 Pass: 100%/33  | Total: 18h 02m | Avg: 32m 48s | Max:  1h 06m | Hits:  76%/6693  
  🟩 20                 Pass: 100%/21  | Total: 10h 25m | Avg: 29m 47s | Max:  1h 02m | Hits:  82%/4462

🟩 pycuda: Pass: 100%/1 | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 ctk
  🟩 12.5               Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 cudacxx
  🟩 nvcc12.5           Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s

👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 251)

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

fbusato and others added 4 commits August 15, 2024 23:29

add segmented [radix] sort tests for 64-bit indices

5bff5ed

Add test for device segmented sort pairs with 64-bit indices

62ac106

Merge branch 'main' into cub/test/64bit_segmented_sort

994da36

greatly simplify the code by exploiting automatic compiler vectorization

5c0a167

fbusato requested review from bernhardmgruber and gevtushenko August 23, 2024 23:52

fbusato requested review from a team as code owners August 23, 2024 23:52

fbusato requested a review from ericniebler August 23, 2024 23:52

mfbalin reviewed Aug 24, 2024

View reviewed changes

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miscco reviewed Aug 24, 2024

View reviewed changes

cub/cub/detail/type_traits.cuh Outdated Show resolved Hide resolved

cub/cub/detail/type_traits.cuh Outdated Show resolved Hide resolved

cub/cub/thread/thread_operators.cuh Outdated Show resolved Hide resolved

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bernhardmgruber reviewed Aug 26, 2024

View reviewed changes

fbusato and others added 3 commits August 26, 2024 11:30

Merge branch 'NVIDIA:main' into cub/dpx-reduction

d2ef0c9

Address compatibility issues and PR suggestions

7c18ab6

fix formatting issues

2112f03

fbusato requested a review from a team as a code owner August 26, 2024 19:19

bernhardmgruber approved these changes Aug 27, 2024

View reviewed changes

fbusato and others added 6 commits August 27, 2024 11:14

Merge branch 'NVIDIA:main' into cub/dpx-reduction

bb4cd47

Add DPX benchmarking file

df45811

Apply bit_cast and minor fixes

c8c5233

Slightly improve heuristics to enable DPX

718f263

Merge remote-tracking branch 'upstream/main' into cub/dpx-reduction

17e29f0

merge cuda::std::__accumulator_t

285885a

fbusato and others added 4 commits August 29, 2024 17:18

Add Sum operator for DPX

4638ac7

move enable_if_t to template type as workaround for MSVC

32aaf6e

Fix formatting issues

da64d59

Merge branch 'main' into cub/dpx-reduction

91febd6

fbusato and others added 2 commits September 4, 2024 00:21

Merge branch 'cub/dpx-reduction' of github.com:fbusato/cccl into cub/…

56aa97f

…dpx-reduction

Merge branch 'main' into cub/dpx-reduction

a9aeeb9

bernhardmgruber reviewed Sep 4, 2024

View reviewed changes

fbusato and others added 6 commits September 4, 2024 18:06

Address most of the suggestions

623849e

Merge branch 'cub/dpx-reduction' of github.com:fbusato/cccl into cub/…

c9b231b

…dpx-reduction

Merge branch 'main' into cub/dpx-reduction

59b0e6e

Merge branch 'main' into cub/dpx-reduction

fe89cf5

Add deprecated remark

3faf4ba

Merge branch 'cub/dpx-reduction' of github.com:fbusato/cccl into cub/…

84fbc14

…dpx-reduction

doxygen fixes

b0c4388

fbusato added 2 commits September 4, 2024 22:59

try to fix MSVC 14.16

b8a7033

Add pointer interface remark

3bbe5f4

fbusato mentioned this pull request Sep 5, 2024

[FEA]: Make CUB block algorithms usable with cuda::std::array #1877

Open

1 task

fbusato and others added 2 commits September 5, 2024 21:57

fix undefined behavior

629381d

Merge branch 'main' into cub/dpx-reduction

0fbf1d0

fbusato added 3 commits September 5, 2024 22:46

removed std::plus

0dfbabf

Merge branch 'cub/dpx-reduction' of github.com:fbusato/cccl into cub/…

89921b2

…dpx-reduction

Fix forrmatting issues

99f0548

fbusato merged commit 3adc92a into NVIDIA:main Sep 6, 2024
260 of 264 checks passed

fbusato deleted the cub/dpx-reduction branch September 6, 2024 21:17

		#define _CUB_TEMPLATE_REQUIRES(...) ::cuda::std::__enable_if_t<(__VA_ARGS__)>* = nullptr

CUB - Enable DPX Reduction #2286

CUB - Enable DPX Reduction #2286

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fbusato commented Aug 23, 2024 • edited Loading

NVIDIA H100 80GB HBM3

NVIDIA H200

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github-actions bot commented Sep 5, 2024

🟨 cub: Pass: 75%/132 | Total: 3d 21h | Avg: 42m 27s | Max: 1h 12m | Hits: 33%/4308

🟨 thrust: Pass: 93%/118 | Total: 2d 10h | Avg: 29m 33s | Max: 1h 09m | Hits: 76%/20079

🟥 pycuda: Pass: 0%/1 | Total: 13m 58s | Avg: 13m 58s | Max: 13m 58s

👃 Inspect Changes

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Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 251)

github-actions bot commented Sep 5, 2024

🟨 cub: Pass: 75%/132 | Total: 3d 21h | Avg: 42m 34s | Max: 1h 12m | Hits: 33%/4308

🟨 thrust: Pass: 93%/118 | Total: 2d 10h | Avg: 29m 47s | Max: 1h 09m | Hits: 76%/20079

🟥 pycuda: Pass: 0%/1 | Total: 13m 07s | Avg: 13m 07s | Max: 13m 07s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 251)

fbusato commented Sep 5, 2024

fbusato commented Sep 5, 2024

github-actions bot commented Sep 6, 2024

🟩 cub: Pass: 100%/132 | Total: 4d 06h | Avg: 46m 34s | Max: 1h 36m | Hits: 28%/4308

🟩 thrust: Pass: 100%/118 | Total: 2d 09h | Avg: 29m 24s | Max: 1h 06m | Hits: 76%/20079

🟩 pycuda: Pass: 100%/1 | Total: 14m 55s | Avg: 14m 55s | Max: 14m 55s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 251)

fbusato commented Aug 23, 2024 •

edited

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