Make cuda::std::max constexpr in C++11 #2107

bernhardmgruber · 2024-07-30T11:58:55Z

This makes ::cuda::std::max constexpr in C++11. However, I cannot enable the constexpr tests for max in C++11, because they use multi-statement functions, which are not allowed in C++11. Therefore, I added a minimal test for just C++11.

github-actions · 2024-08-14T13:00:14Z

🟩 CI finished in 2d 01h: Pass: 100%/417 | Total: 3d 05h | Avg: 11m 12s | Max: 1h 13m | Hits: 99%/31314

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  🟩 90a                Pass: 100%/1   | Total:  2m 08s | Avg:  2m 08s | Max:  2m 08s
🟩 std
  🟩 17                 Pass: 100%/31  | Total:  1h 30m | Avg:  2m 54s | Max:  8m 42s
  🟩 20                 Pass: 100%/24  | Total:  1h 20m | Avg:  3m 21s | Max:  8m 03s | Hits:  80%/102

🟩 pycuda: Pass: 100%/1 | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 ctk
  🟩 12.5               Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 cudacxx
  🟩 nvcc12.5           Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s

👃 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: 417)

#	Runner
305	`linux-amd64-cpu16`
61	`linux-amd64-gpu-v100-latest-1`
28	`linux-arm64-cpu16`
23	`windows-amd64-cpu16`

bernhardmgruber marked this pull request as ready for review July 30, 2024 12:03

bernhardmgruber requested review from a team as code owners July 30, 2024 12:03

bernhardmgruber requested review from miscco and gonidelis July 30, 2024 12:03

bernhardmgruber added the libcu++ For all items related to libcu++ label Jul 30, 2024

bernhardmgruber force-pushed the constexpr_max branch 2 times, most recently from 68c15f6 to bc2f921 Compare July 30, 2024 12:11

griwes approved these changes Aug 1, 2024

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Make cuda::std::max constexpr in C++11

2df77ab

bernhardmgruber force-pushed the constexpr_max branch from bc2f921 to 2df77ab Compare August 12, 2024 11:18

bernhardmgruber enabled auto-merge (squash) August 14, 2024 09:50

bernhardmgruber merged commit 1981c49 into NVIDIA:main Aug 14, 2024
434 checks passed

bernhardmgruber deleted the constexpr_max branch August 14, 2024 13:22

pciolkosz pushed a commit to pciolkosz/cccl that referenced this pull request Aug 20, 2024

Make cuda::std::max constexpr in C++11 (NVIDIA#2107)

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Make cuda::std::max constexpr in C++11 #2107

Make cuda::std::max constexpr in C++11 #2107

bernhardmgruber commented Jul 30, 2024 •

edited

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github-actions bot commented Aug 14, 2024

🟩 cub: Pass: 100%/131 | Total: 1d 16h | Avg: 18m 34s | Max: 1h 13m | Hits: 99%/4254

🟩 thrust: Pass: 100%/118 | Total: 18h 04m | Avg: 9m 11s | Max: 33m 54s | Hits: 98%/10557

🟩 libcudacxx: Pass: 100%/112 | Total: 16h 10m | Avg: 8m 40s | Max: 42m 41s | Hits: 99%/16401

🟩 cudax: Pass: 100%/55 | Total: 2h 50m | Avg: 3m 06s | Max: 8m 42s | Hits: 80%/102

🟩 pycuda: Pass: 100%/1 | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s

👃 Inspect Changes

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🏃‍ Runner counts (total jobs: 417)

Make cuda::std::max constexpr in C++11 #2107

Make cuda::std::max constexpr in C++11 #2107

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bernhardmgruber commented Jul 30, 2024 • edited Loading

github-actions bot commented Aug 14, 2024

🟩 cub: Pass: 100%/131 | Total: 1d 16h | Avg: 18m 34s | Max: 1h 13m | Hits: 99%/4254

🟩 thrust: Pass: 100%/118 | Total: 18h 04m | Avg: 9m 11s | Max: 33m 54s | Hits: 98%/10557

🟩 libcudacxx: Pass: 100%/112 | Total: 16h 10m | Avg: 8m 40s | Max: 42m 41s | Hits: 99%/16401

🟩 cudax: Pass: 100%/55 | Total: 2h 50m | Avg: 3m 06s | Max: 8m 42s | Hits: 80%/102

🟩 pycuda: Pass: 100%/1 | Total: 10m 26s | Avg: 10m 26s | Max: 10m 26s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 417)

bernhardmgruber commented Jul 30, 2024 •

edited

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