help the ranges concepts recognize standard contiguous iterators in c++14/17 #3202

ericniebler · 2024-12-19T20:17:32Z

Description

In range-v3, @CaseyCarter and I found a sneaky way to "detect" the contiguous iterators of the 3 major stdlib implementations: libstdc++, libc++, and msvc's stdlib. This PR ports the implementation over so that the following standard containers are now recognized as contiguous:

std::vector
std::array
std::string
std::string_view
std::span

this PR also removes a hack in cudax that was only necessary because the std:: containers weren't considered contiguous in c++17.

Checklist

New or existing tests cover these changes.
The documentation is up to date with these changes.

copy-pr-bot · 2024-12-19T20:17:35Z

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…++17

miscco

I really did not wanted to do that, but its most likely the easiest solution.

Can you please then fix our span to always use the proper range constructor and not the pre-ranges hack?

libcudacxx/include/cuda/std/__iterator/iterator_traits.h

github-actions · 2024-12-20T00:51:48Z

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  🟩 GCC9               Pass: 100%/1   | Total: 14m 00s | Avg: 14m 00s | Max: 14m 00s
  🟩 GCC10              Pass: 100%/1   | Total: 16m 16s | Avg: 16m 16s | Max: 16m 16s
  🟩 GCC11              Pass: 100%/1   | Total: 14m 46s | Avg: 14m 46s | Max: 14m 46s
  🟩 GCC12              Pass: 100%/2   | Total: 33m 12s | Avg: 16m 36s | Max: 17m 44s
  🟩 GCC13              Pass: 100%/4   | Total: 50m 31s | Avg: 12m 37s | Max: 14m 32s
  🟩 MSVC14.36          Pass: 100%/1   | Total: 10m 22s | Avg: 10m 22s | Max: 10m 22s | Hits:  34%/156   
  🟩 MSVC14.39          Pass: 100%/1   | Total: 10m 24s | Avg: 10m 24s | Max: 10m 24s | Hits:  34%/156   
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 18m 43s | Avg:  9m 21s | Max:  9m 27s
🟩 cxx_family
  🟩 Clang              Pass: 100%/13  | Total:  3h 07m | Avg: 14m 24s | Max: 17m 28s
  🟩 GCC                Pass: 100%/9   | Total:  2h 08m | Avg: 14m 18s | Max: 17m 44s
  🟩 MSVC               Pass: 100%/2   | Total: 20m 46s | Avg: 10m 23s | Max: 10m 24s | Hits:  34%/312   
  🟩 NVHPC              Pass: 100%/2   | Total: 18m 43s | Avg:  9m 21s | Max:  9m 27s
🟩 gpu
  🟩 v100               Pass: 100%/26  | Total:  5h 55m | Avg: 13m 40s | Max: 17m 44s | Hits:  34%/312   
🟩 jobs
  🟩 Build              Pass: 100%/24  | Total:  5h 20m | Avg: 13m 21s | Max: 16m 16s | Hits:  34%/312   
  🟩 Test               Pass: 100%/2   | Total: 35m 12s | Avg: 17m 36s | Max: 17m 44s
🟩 sm
  🟩 90                 Pass: 100%/1   | Total: 11m 18s | Avg: 11m 18s | Max: 11m 18s
  🟩 90a                Pass: 100%/1   | Total: 11m 45s | Avg: 11m 45s | Max: 11m 45s
🟩 std
  🟩 17                 Pass: 100%/6   | Total:  1h 13m | Avg: 12m 19s | Max: 14m 19s
  🟩 20                 Pass: 100%/20  | Total:  4h 41m | Avg: 14m 05s | Max: 17m 44s | Hits:  34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 13m 02s | Avg: 6m 31s | Max: 10m 56s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 ctk
  🟩 12.6               Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 gpu
  🟩 v100               Pass: 100%/2   | Total: 13m 02s | Avg:  6m 31s | Max: 10m 56s
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 06s | Avg:  2m 06s | Max:  2m 06s
  🟩 Test               Pass: 100%/1   | Total: 10m 56s | Avg: 10m 56s | Max: 10m 56s

🟩 python: Pass: 100%/1 | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 ctk
  🟩 12.6               Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
+/-	libcu++
	CUB
	Thrust
+/-	CUDA Experimental
	python
	CCCL C Parallel Library
	Catch2Helper

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
+/-	libcu++
+/-	CUB
+/-	Thrust
+/-	CUDA Experimental
+/-	python
+/-	CCCL C Parallel Library
+/-	Catch2Helper

🏃‍ Runner counts (total jobs: 170)

#	Runner
125	`linux-amd64-cpu16`
19	`linux-amd64-gpu-v100-latest-1`
15	`windows-amd64-cpu16`
10	`linux-arm64-cpu16`
1	`linux-amd64-gpu-h100-latest-1-testing`

ericniebler · 2024-12-20T01:06:40Z

Can you please then fix our span to always use the proper range constructor and not the pre-ranges hack?

i started down this rabbit hole, but the range stuff is only defined in C++17, and (for now) span still supports C++14.

libcudacxx/include/cuda/std/__iterator/iterator_traits.h

github-actions · 2024-12-21T01:23:20Z

🟩 CI finished in 1h 59m: Pass: 100%/170 | Total: 1d 14h | Avg: 13m 34s | Max: 1h 18m | Hits: 34%/22530

🟩 libcudacxx: Pass: 100%/48 | Total: 11h 46m | Avg: 14m 42s | Max: 31m 28s | Hits: 48%/9814

🟩 cpu
  🟩 amd64              Pass: 100%/46  | Total: 11h 26m | Avg: 14m 55s | Max: 31m 28s | Hits:  48%/9814  
  🟩 arm64              Pass: 100%/2   | Total: 19m 42s | Avg:  9m 51s | Max: 16m 12s
🟩 ctk
  🟩 11.1               Pass: 100%/7   | Total:  1h 19m | Avg: 11m 23s | Max: 26m 02s | Hits:  49%/2239  
  🟩 12.5               Pass: 100%/2   | Total: 47m 51s | Avg: 23m 55s | Max: 24m 40s
  🟩 12.6               Pass: 100%/39  | Total:  9h 38m | Avg: 14m 50s | Max: 31m 28s | Hits:  47%/7575  
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/4   | Total:  1h 02m | Avg: 15m 37s | Max: 19m 03s
  🟩 nvcc11.1           Pass: 100%/7   | Total:  1h 19m | Avg: 11m 23s | Max: 26m 02s | Hits:  49%/2239  
  🟩 nvcc12.5           Pass: 100%/2   | Total: 47m 51s | Avg: 23m 55s | Max: 24m 40s
  🟩 nvcc12.6           Pass: 100%/35  | Total:  8h 36m | Avg: 14m 44s | Max: 31m 28s | Hits:  47%/7575  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/4   | Total:  1h 02m | Avg: 15m 37s | Max: 19m 03s
  🟩 nvcc               Pass: 100%/44  | Total: 10h 43m | Avg: 14m 37s | Max: 31m 28s | Hits:  48%/9814  
🟩 cxx
  🟩 Clang9             Pass: 100%/4   | Total: 41m 03s | Avg: 10m 15s | Max: 12m 44s
  🟩 Clang10            Pass: 100%/1   | Total: 17m 51s | Avg: 17m 51s | Max: 17m 51s
  🟩 Clang11            Pass: 100%/1   | Total:  4m 14s | Avg:  4m 14s | Max:  4m 14s
  🟩 Clang12            Pass: 100%/1   | Total: 14m 26s | Avg: 14m 26s | Max: 14m 26s
  🟩 Clang13            Pass: 100%/1   | Total: 14m 35s | Avg: 14m 35s | Max: 14m 35s
  🟩 Clang14            Pass: 100%/1   | Total:  4m 06s | Avg:  4m 06s | Max:  4m 06s
  🟩 Clang15            Pass: 100%/1   | Total: 16m 41s | Avg: 16m 41s | Max: 16m 41s
  🟩 Clang16            Pass: 100%/1   | Total:  4m 13s | Avg:  4m 13s | Max:  4m 13s
  🟩 Clang17            Pass: 100%/1   | Total: 16m 55s | Avg: 16m 55s | Max: 16m 55s
  🟩 Clang18            Pass: 100%/8   | Total:  2h 08m | Avg: 16m 01s | Max: 19m 03s
  🟩 GCC6               Pass: 100%/2   | Total: 24m 03s | Avg: 12m 01s | Max: 21m 19s
  🟩 GCC7               Pass: 100%/2   | Total: 22m 10s | Avg: 11m 05s | Max: 11m 28s
  🟩 GCC8               Pass: 100%/1   | Total: 15m 12s | Avg: 15m 12s | Max: 15m 12s
  🟩 GCC9               Pass: 100%/3   | Total: 17m 30s | Avg:  5m 50s | Max: 11m 16s
  🟩 GCC10              Pass: 100%/1   | Total: 15m 23s | Avg: 15m 23s | Max: 15m 23s
  🟩 GCC11              Pass: 100%/1   | Total:  3m 34s | Avg:  3m 34s | Max:  3m 34s
  🟩 GCC12              Pass: 100%/1   | Total: 18m 04s | Avg: 18m 04s | Max: 18m 04s
  🟩 GCC13              Pass: 100%/10  | Total:  2h 40m | Avg: 16m 03s | Max: 31m 28s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  5m 52s | Avg:  5m 52s | Max:  5m 52s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 26m 02s | Avg: 26m 02s | Max: 26m 02s | Hits:  49%/2239  
  🟩 MSVC14.29          Pass: 100%/1   | Total: 28m 28s | Avg: 28m 28s | Max: 28m 28s | Hits:  46%/2476  
  🟩 MSVC14.39          Pass: 100%/2   | Total: 59m 11s | Avg: 29m 35s | Max: 30m 05s | Hits:  47%/5099  
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 47m 51s | Avg: 23m 55s | Max: 24m 40s
🟩 cxx_family
  🟩 Clang              Pass: 100%/20  | Total:  4h 22m | Avg: 13m 06s | Max: 19m 03s
  🟩 GCC                Pass: 100%/21  | Total:  4h 36m | Avg: 13m 09s | Max: 31m 28s
  🟩 Intel              Pass: 100%/1   | Total:  5m 52s | Avg:  5m 52s | Max:  5m 52s
  🟩 MSVC               Pass: 100%/4   | Total:  1h 53m | Avg: 28m 25s | Max: 30m 05s | Hits:  48%/9814  
  🟩 NVHPC              Pass: 100%/2   | Total: 47m 51s | Avg: 23m 55s | Max: 24m 40s
🟩 gpu
  🟩 v100               Pass: 100%/48  | Total: 11h 46m | Avg: 14m 42s | Max: 31m 28s | Hits:  48%/9814  
🟩 jobs
  🟩 Build              Pass: 100%/41  | Total:  9h 14m | Avg: 13m 31s | Max: 30m 05s | Hits:  48%/9814  
  🟩 NVRTC              Pass: 100%/4   | Total:  1h 54m | Avg: 28m 34s | Max: 31m 28s
  🟩 Test               Pass: 100%/2   | Total: 35m 17s | Avg: 17m 38s | Max: 18m 07s
  🟩 VerifyCodegen      Pass: 100%/1   | Total:  1m 59s | Avg:  1m 59s | Max:  1m 59s
🟩 sm
  🟩 90                 Pass: 100%/1   | Total: 12m 06s | Avg: 12m 06s | Max: 12m 06s
  🟩 90a                Pass: 100%/2   | Total: 17m 55s | Avg:  8m 57s | Max: 13m 53s
🟩 std
  🟩 11                 Pass: 100%/6   | Total:  1h 19m | Avg: 13m 14s | Max: 28m 19s
  🟩 14                 Pass: 100%/5   | Total:  1h 23m | Avg: 16m 41s | Max: 31m 28s | Hits:  49%/2239  
  🟩 17                 Pass: 100%/13  | Total:  3h 44m | Avg: 17m 14s | Max: 29m 18s | Hits:  49%/4952  
  🟩 20                 Pass: 100%/23  | Total:  5h 17m | Avg: 13m 47s | Max: 30m 05s | Hits:  44%/2623

🟩 cub: Pass: 100%/47 | Total: 12h 25m | Avg: 15m 52s | Max: 1h 13m | Hits: 2%/3144

🟩 cpu
  🟩 amd64              Pass: 100%/45  | Total: 12h 16m | Avg: 16m 21s | Max:  1h 13m | Hits:   2%/3144  
  🟩 arm64              Pass: 100%/2   | Total:  9m 33s | Avg:  4m 46s | Max:  4m 50s
🟩 ctk
  🟩 11.1               Pass: 100%/7   | Total:  1h 28m | Avg: 12m 35s | Max:  1h 01m | Hits:   2%/786   
  🟩 12.5               Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 13m
  🟩 12.6               Pass: 100%/38  | Total:  8h 34m | Avg: 13m 32s | Max:  1h 12m | Hits:   2%/2358  
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  8m 53s | Avg:  4m 26s | Max:  4m 33s
  🟩 nvcc11.1           Pass: 100%/7   | Total:  1h 28m | Avg: 12m 35s | Max:  1h 01m | Hits:   2%/786   
  🟩 nvcc12.5           Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 13m
  🟩 nvcc12.6           Pass: 100%/36  | Total:  8h 25m | Avg: 14m 02s | Max:  1h 12m | Hits:   2%/2358  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  8m 53s | Avg:  4m 26s | Max:  4m 33s
  🟩 nvcc               Pass: 100%/45  | Total: 12h 17m | Avg: 16m 22s | Max:  1h 13m | Hits:   2%/3144  
🟩 cxx
  🟩 Clang9             Pass: 100%/4   | Total: 21m 01s | Avg:  5m 15s | Max:  5m 55s
  🟩 Clang10            Pass: 100%/1   | Total:  6m 17s | Avg:  6m 17s | Max:  6m 17s
  🟩 Clang11            Pass: 100%/1   | Total:  5m 04s | Avg:  5m 04s | Max:  5m 04s
  🟩 Clang12            Pass: 100%/1   | Total:  5m 15s | Avg:  5m 15s | Max:  5m 15s
  🟩 Clang13            Pass: 100%/1   | Total:  5m 43s | Avg:  5m 43s | Max:  5m 43s
  🟩 Clang14            Pass: 100%/1   | Total:  5m 30s | Avg:  5m 30s | Max:  5m 30s
  🟩 Clang15            Pass: 100%/1   | Total:  5m 36s | Avg:  5m 36s | Max:  5m 36s
  🟩 Clang16            Pass: 100%/1   | Total:  5m 37s | Avg:  5m 37s | Max:  5m 37s
  🟩 Clang17            Pass: 100%/1   | Total:  5m 32s | Avg:  5m 32s | Max:  5m 32s
  🟩 Clang18            Pass: 100%/7   | Total:  1h 06m | Avg:  9m 27s | Max: 24m 28s
  🟩 GCC6               Pass: 100%/2   | Total:  8m 47s | Avg:  4m 23s | Max:  4m 36s
  🟩 GCC7               Pass: 100%/2   | Total: 10m 21s | Avg:  5m 10s | Max:  5m 31s
  🟩 GCC8               Pass: 100%/1   | Total:  5m 21s | Avg:  5m 21s | Max:  5m 21s
  🟩 GCC9               Pass: 100%/3   | Total: 14m 24s | Avg:  4m 48s | Max:  5m 44s
  🟩 GCC10              Pass: 100%/1   | Total:  5m 46s | Avg:  5m 46s | Max:  5m 46s
  🟩 GCC11              Pass: 100%/1   | Total:  5m 46s | Avg:  5m 46s | Max:  5m 46s
  🟩 GCC12              Pass: 100%/3   | Total: 26m 30s | Avg:  8m 50s | Max: 15m 51s
  🟩 GCC13              Pass: 100%/8   | Total:  1h 59m | Avg: 14m 58s | Max: 36m 51s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  6m 28s | Avg:  6m 28s | Max:  6m 28s
  🟩 MSVC14.16          Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m | Hits:   2%/786   
  🟩 MSVC14.29          Pass: 100%/1   | Total:  1h 06m | Avg:  1h 06m | Max:  1h 06m | Hits:   2%/786   
  🟩 MSVC14.39          Pass: 100%/2   | Total:  2h 20m | Avg:  1h 10m | Max:  1h 12m | Hits:   2%/1572  
  🟩 NVHPC24.7          Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 13m
🟩 cxx_family
  🟩 Clang              Pass: 100%/19  | Total:  2h 11m | Avg:  6m 56s | Max: 24m 28s
  🟩 GCC                Pass: 100%/21  | Total:  3h 16m | Avg:  9m 22s | Max: 36m 51s
  🟩 Intel              Pass: 100%/1   | Total:  6m 28s | Avg:  6m 28s | Max:  6m 28s
  🟩 MSVC               Pass: 100%/4   | Total:  4h 27m | Avg:  1h 06m | Max:  1h 12m | Hits:   2%/3144  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 13m
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 20m 22s | Avg: 10m 11s | Max: 15m 51s
  🟩 v100               Pass: 100%/45  | Total: 12h 05m | Avg: 16m 07s | Max:  1h 13m | Hits:   2%/3144  
🟩 jobs
  🟩 Build              Pass: 100%/40  | Total:  9h 49m | Avg: 14m 44s | Max:  1h 13m | Hits:   2%/3144  
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 36m 51s | Avg: 36m 51s | Max: 36m 51s
  🟩 GraphCapture       Pass: 100%/1   | Total: 17m 43s | Avg: 17m 43s | Max: 17m 43s
  🟩 HostLaunch         Pass: 100%/3   | Total: 55m 46s | Avg: 18m 35s | Max: 22m 44s
  🟩 TestGPU            Pass: 100%/2   | Total: 46m 17s | Avg: 23m 08s | Max: 24m 28s
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 20m 22s | Avg: 10m 11s | Max: 15m 51s
  🟩 90a                Pass: 100%/1   | Total:  4m 20s | Avg:  4m 20s | Max:  4m 20s
🟩 std
  🟩 11                 Pass: 100%/5   | Total: 23m 18s | Avg:  4m 39s | Max:  5m 51s
  🟩 14                 Pass: 100%/4   | Total:  1h 17m | Avg: 19m 21s | Max:  1h 01m | Hits:   2%/786   
  🟩 17                 Pass: 100%/12  | Total:  4h 21m | Avg: 21m 45s | Max:  1h 13m | Hits:   2%/1572  
  🟩 20                 Pass: 100%/26  | Total:  6h 24m | Avg: 14m 46s | Max:  1h 10m | Hits:   2%/786

🟩 thrust: Pass: 100%/46 | Total: 11h 11m | Avg: 14m 35s | Max: 1h 18m | Hits: 30%/9260

🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 17m 55s | Avg:  8m 57s | Max: 12m 16s
🟩 cpu
  🟩 amd64              Pass: 100%/44  | Total: 11h 01m | Avg: 15m 02s | Max:  1h 18m | Hits:  30%/9260  
  🟩 arm64              Pass: 100%/2   | Total:  9m 26s | Avg:  4m 43s | Max:  5m 00s
🟩 ctk
  🟩 11.1               Pass: 100%/7   | Total:  1h 29m | Avg: 12m 49s | Max:  1h 04m | Hits:  12%/1852  
  🟩 12.5               Pass: 100%/2   | Total:  2h 27m | Avg:  1h 13m | Max:  1h 18m
  🟩 12.6               Pass: 100%/37  | Total:  7h 13m | Avg: 11m 42s | Max:  1h 09m | Hits:  34%/7408  
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  9m 50s | Avg:  4m 55s | Max:  5m 01s
  🟩 nvcc11.1           Pass: 100%/7   | Total:  1h 29m | Avg: 12m 49s | Max:  1h 04m | Hits:  12%/1852  
  🟩 nvcc12.5           Pass: 100%/2   | Total:  2h 27m | Avg:  1h 13m | Max:  1h 18m
  🟩 nvcc12.6           Pass: 100%/35  | Total:  7h 03m | Avg: 12m 06s | Max:  1h 09m | Hits:  34%/7408  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  9m 50s | Avg:  4m 55s | Max:  5m 01s
  🟩 nvcc               Pass: 100%/44  | Total: 11h 01m | Avg: 15m 01s | Max:  1h 18m | Hits:  30%/9260  
🟩 cxx
  🟩 Clang9             Pass: 100%/4   | Total: 20m 42s | Avg:  5m 10s | Max:  6m 44s
  🟩 Clang10            Pass: 100%/1   | Total:  7m 16s | Avg:  7m 16s | Max:  7m 16s
  🟩 Clang11            Pass: 100%/1   | Total:  4m 57s | Avg:  4m 57s | Max:  4m 57s
  🟩 Clang12            Pass: 100%/1   | Total:  5m 22s | Avg:  5m 22s | Max:  5m 22s
  🟩 Clang13            Pass: 100%/1   | Total:  5m 15s | Avg:  5m 15s | Max:  5m 15s
  🟩 Clang14            Pass: 100%/1   | Total:  5m 12s | Avg:  5m 12s | Max:  5m 12s
  🟩 Clang15            Pass: 100%/1   | Total:  5m 45s | Avg:  5m 45s | Max:  5m 45s
  🟩 Clang16            Pass: 100%/1   | Total:  5m 28s | Avg:  5m 28s | Max:  5m 28s
  🟩 Clang17            Pass: 100%/1   | Total:  5m 54s | Avg:  5m 54s | Max:  5m 54s
  🟩 Clang18            Pass: 100%/7   | Total: 47m 56s | Avg:  6m 50s | Max: 14m 58s
  🟩 GCC6               Pass: 100%/2   | Total:  8m 01s | Avg:  4m 00s | Max:  4m 20s
  🟩 GCC7               Pass: 100%/2   | Total: 10m 23s | Avg:  5m 11s | Max:  5m 23s
  🟩 GCC8               Pass: 100%/1   | Total:  5m 36s | Avg:  5m 36s | Max:  5m 36s
  🟩 GCC9               Pass: 100%/3   | Total: 14m 16s | Avg:  4m 45s | Max:  5m 54s
  🟩 GCC10              Pass: 100%/1   | Total:  5m 21s | Avg:  5m 21s | Max:  5m 21s
  🟩 GCC11              Pass: 100%/1   | Total:  5m 47s | Avg:  5m 47s | Max:  5m 47s
  🟩 GCC12              Pass: 100%/1   | Total:  6m 07s | Avg:  6m 07s | Max:  6m 07s
  🟩 GCC13              Pass: 100%/8   | Total:  1h 00m | Avg:  7m 30s | Max: 12m 16s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  7m 10s | Avg:  7m 10s | Max:  7m 10s
  🟩 MSVC14.16          Pass: 100%/1   | Total:  1h 04m | Avg:  1h 04m | Max:  1h 04m | Hits:  12%/1852  
  🟩 MSVC14.29          Pass: 100%/1   | Total:  1h 04m | Avg:  1h 04m | Max:  1h 04m | Hits:  12%/1852  
  🟩 MSVC14.39          Pass: 100%/3   | Total:  2h 37m | Avg: 52m 23s | Max:  1h 09m | Hits:  41%/5556  
  🟩 NVHPC24.7          Pass: 100%/2   | Total:  2h 27m | Avg:  1h 13m | Max:  1h 18m
🟩 cxx_family
  🟩 Clang              Pass: 100%/19  | Total:  1h 53m | Avg:  5m 59s | Max: 14m 58s
  🟩 GCC                Pass: 100%/19  | Total:  1h 55m | Avg:  6m 05s | Max: 12m 16s
  🟩 Intel              Pass: 100%/1   | Total:  7m 10s | Avg:  7m 10s | Max:  7m 10s
  🟩 MSVC               Pass: 100%/5   | Total:  4h 46m | Avg: 57m 21s | Max:  1h 09m | Hits:  30%/9260  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 27m | Avg:  1h 13m | Max:  1h 18m
🟩 gpu
  🟩 v100               Pass: 100%/46  | Total: 11h 11m | Avg: 14m 35s | Max:  1h 18m | Hits:  30%/9260  
🟩 jobs
  🟩 Build              Pass: 100%/40  | Total:  9h 54m | Avg: 14m 52s | Max:  1h 18m | Hits:  12%/7408  
  🟩 TestCPU            Pass: 100%/3   | Total: 37m 55s | Avg: 12m 38s | Max: 21m 13s | Hits:  99%/1852  
  🟩 TestGPU            Pass: 100%/3   | Total: 38m 25s | Avg: 12m 48s | Max: 14m 58s
🟩 sm
  🟩 90a                Pass: 100%/1   | Total:  4m 57s | Avg:  4m 57s | Max:  4m 57s
🟩 std
  🟩 11                 Pass: 100%/5   | Total: 21m 49s | Avg:  4m 21s | Max:  5m 20s
  🟩 14                 Pass: 100%/4   | Total:  1h 21m | Avg: 20m 18s | Max:  1h 04m | Hits:  12%/1852  
  🟩 17                 Pass: 100%/12  | Total:  4h 12m | Avg: 21m 02s | Max:  1h 09m | Hits:  12%/3704  
  🟩 20                 Pass: 100%/23  | Total:  4h 57m | Avg: 12m 56s | Max:  1h 18m | Hits:  56%/3704

🟩 cudax: Pass: 100%/26 | Total: 2h 18m | Avg: 5m 20s | Max: 20m 04s | Hits: 34%/312

🟩 cpu
  🟩 amd64              Pass: 100%/22  | Total:  2h 08m | Avg:  5m 50s | Max: 20m 04s | Hits:  34%/312   
  🟩 arm64              Pass: 100%/4   | Total: 10m 25s | Avg:  2m 36s | Max:  2m 41s
🟩 ctk
  🟩 12.0               Pass: 100%/3   | Total: 16m 14s | Avg:  5m 24s | Max:  9m 54s | Hits:  34%/156   
  🟩 12.5               Pass: 100%/2   | Total: 17m 28s | Avg:  8m 44s | Max:  8m 53s
  🟩 12.6               Pass: 100%/21  | Total:  1h 45m | Avg:  5m 00s | Max: 20m 04s | Hits:  34%/156   
🟩 cudacxx
  🟩 nvcc12.0           Pass: 100%/3   | Total: 16m 14s | Avg:  5m 24s | Max:  9m 54s | Hits:  34%/156   
  🟩 nvcc12.5           Pass: 100%/2   | Total: 17m 28s | Avg:  8m 44s | Max:  8m 53s
  🟩 nvcc12.6           Pass: 100%/21  | Total:  1h 45m | Avg:  5m 00s | Max: 20m 04s | Hits:  34%/156   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/26  | Total:  2h 18m | Avg:  5m 20s | Max: 20m 04s | Hits:  34%/312   
🟩 cxx
  🟩 Clang9             Pass: 100%/1   | Total:  3m 10s | Avg:  3m 10s | Max:  3m 10s
  🟩 Clang10            Pass: 100%/1   | Total:  3m 27s | Avg:  3m 27s | Max:  3m 27s
  🟩 Clang11            Pass: 100%/1   | Total:  2m 56s | Avg:  2m 56s | Max:  2m 56s
  🟩 Clang12            Pass: 100%/1   | Total:  3m 38s | Avg:  3m 38s | Max:  3m 38s
  🟩 Clang13            Pass: 100%/1   | Total:  3m 10s | Avg:  3m 10s | Max:  3m 10s
  🟩 Clang14            Pass: 100%/1   | Total:  3m 07s | Avg:  3m 07s | Max:  3m 07s
  🟩 Clang15            Pass: 100%/1   | Total:  3m 27s | Avg:  3m 27s | Max:  3m 27s
  🟩 Clang16            Pass: 100%/1   | Total:  3m 07s | Avg:  3m 07s | Max:  3m 07s
  🟩 Clang17            Pass: 100%/1   | Total:  3m 20s | Avg:  3m 20s | Max:  3m 20s
  🟩 Clang18            Pass: 100%/4   | Total: 27m 41s | Avg:  6m 55s | Max: 19m 27s
  🟩 GCC9               Pass: 100%/1   | Total:  3m 10s | Avg:  3m 10s | Max:  3m 10s
  🟩 GCC10              Pass: 100%/1   | Total:  3m 09s | Avg:  3m 09s | Max:  3m 09s
  🟩 GCC11              Pass: 100%/1   | Total:  3m 19s | Avg:  3m 19s | Max:  3m 19s
  🟩 GCC12              Pass: 100%/2   | Total: 23m 19s | Avg: 11m 39s | Max: 20m 04s
  🟩 GCC13              Pass: 100%/4   | Total: 10m 56s | Avg:  2m 44s | Max:  2m 56s
  🟩 MSVC14.36          Pass: 100%/1   | Total:  9m 54s | Avg:  9m 54s | Max:  9m 54s | Hits:  34%/156   
  🟩 MSVC14.39          Pass: 100%/1   | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s | Hits:  34%/156   
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 17m 28s | Avg:  8m 44s | Max:  8m 53s
🟩 cxx_family
  🟩 Clang              Pass: 100%/13  | Total: 57m 03s | Avg:  4m 23s | Max: 19m 27s
  🟩 GCC                Pass: 100%/9   | Total: 43m 53s | Avg:  4m 52s | Max: 20m 04s
  🟩 MSVC               Pass: 100%/2   | Total: 20m 22s | Avg: 10m 11s | Max: 10m 28s | Hits:  34%/312   
  🟩 NVHPC              Pass: 100%/2   | Total: 17m 28s | Avg:  8m 44s | Max:  8m 53s
🟩 gpu
  🟩 v100               Pass: 100%/26  | Total:  2h 18m | Avg:  5m 20s | Max: 20m 04s | Hits:  34%/312   
🟩 jobs
  🟩 Build              Pass: 100%/24  | Total:  1h 39m | Avg:  4m 08s | Max: 10m 28s | Hits:  34%/312   
  🟩 Test               Pass: 100%/2   | Total: 39m 31s | Avg: 19m 45s | Max: 20m 04s
🟩 sm
  🟩 90                 Pass: 100%/1   | Total:  2m 50s | Avg:  2m 50s | Max:  2m 50s
  🟩 90a                Pass: 100%/1   | Total:  2m 56s | Avg:  2m 56s | Max:  2m 56s
🟩 std
  🟩 17                 Pass: 100%/6   | Total: 23m 10s | Avg:  3m 51s | Max:  8m 53s
  🟩 20                 Pass: 100%/20  | Total:  1h 55m | Avg:  5m 46s | Max: 20m 04s | Hits:  34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 28s | Avg: 5m 14s | Max: 8m 31s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 ctk
  🟩 12.6               Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 gpu
  🟩 v100               Pass: 100%/2   | Total: 10m 28s | Avg:  5m 14s | Max:  8m 31s
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  1m 57s | Avg:  1m 57s | Max:  1m 57s
  🟩 Test               Pass: 100%/1   | Total:  8m 31s | Avg:  8m 31s | Max:  8m 31s

🟩 python: Pass: 100%/1 | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 ctk
  🟩 12.6               Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
+/-	libcu++
	CUB
	Thrust
+/-	CUDA Experimental
	python
	CCCL C Parallel Library
	Catch2Helper

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
+/-	libcu++
+/-	CUB
+/-	Thrust
+/-	CUDA Experimental
+/-	python
+/-	CCCL C Parallel Library
+/-	Catch2Helper

🏃‍ Runner counts (total jobs: 170)

#	Runner
125	`linux-amd64-cpu16`
19	`linux-amd64-gpu-v100-latest-1`
15	`windows-amd64-cpu16`
10	`linux-arm64-cpu16`
1	`linux-amd64-gpu-h100-latest-1-testing`

ericniebler requested review from a team as code owners December 19, 2024 20:17

ericniebler requested review from wmaxey and fbusato December 19, 2024 20:17

help the ranges concepts recognize standard contiguous iterators in c…

21907a4

…++17

ericniebler force-pushed the cpp17-contiguous-ranges branch from d527d62 to 21907a4 Compare December 19, 2024 20:23

same_as doesn't exist in C++11

e16f081

miscco reviewed Dec 19, 2024

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libcudacxx/include/cuda/std/__iterator/iterator_traits.h Show resolved Hide resolved

libcudacxx/include/cuda/std/__iterator/iterator_traits.h Outdated Show resolved Hide resolved

review feedback, and no contiguous iterators in c++11

0bd73a2

CaseyCarter reviewed Dec 19, 2024

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libcudacxx/include/cuda/std/__iterator/iterator_traits.h Show resolved Hide resolved

avoid elaborated type specifier when looking for nested type aliases

1de5b54

miscco reviewed Dec 20, 2024

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libcudacxx/include/cuda/std/__iterator/iterator_traits.h Outdated Show resolved Hide resolved

ericniebler added 3 commits December 20, 2024 08:29

Merge remote-tracking branch 'origin/main' into cpp17-contiguous-ranges

89e9891

Merge remote-tracking branch 'origin/main' into cpp17-contiguous-ranges

ff13997

review feedback

3d1d01b

CaseyCarter reviewed Dec 20, 2024

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libcudacxx/include/cuda/std/__iterator/iterator_traits.h Outdated Show resolved Hide resolved

ericniebler added 3 commits December 20, 2024 14:00

try to avoid spurious template instantiation during ADL

2a36fb2

remove needless parens

67c075a

revert to a formulation that made msvc happy

bde2fd4

ericniebler enabled auto-merge (squash) December 21, 2024 01:47

miscco approved these changes Dec 21, 2024

View reviewed changes

ericniebler merged commit faca86c into NVIDIA:main Dec 21, 2024
185 checks passed

ericniebler deleted the cpp17-contiguous-ranges branch December 23, 2024 18:44

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help the ranges concepts recognize standard contiguous iterators in c++14/17 #3202

help the ranges concepts recognize standard contiguous iterators in c++14/17 #3202

ericniebler commented Dec 19, 2024 •

edited

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github-actions bot commented Dec 20, 2024

🟩 libcudacxx: Pass: 100%/48 | Total: 14h 59m | Avg: 18m 44s | Max: 51m 36s | Hits: 46%/9814

🟩 cub: Pass: 100%/47 | Total: 1d 15h | Avg: 50m 41s | Max: 1h 07m | Hits: 3%/3124

🟩 thrust: Pass: 100%/46 | Total: 1d 05h | Avg: 37m 57s | Max: 1h 19m | Hits: 30%/9260

🟩 cudax: Pass: 100%/26 | Total: 5h 55m | Avg: 13m 40s | Max: 17m 44s | Hits: 34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 13m 02s | Avg: 6m 31s | Max: 10m 56s

🟩 python: Pass: 100%/1 | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 170)

ericniebler commented Dec 20, 2024

github-actions bot commented Dec 21, 2024

🟩 libcudacxx: Pass: 100%/48 | Total: 11h 46m | Avg: 14m 42s | Max: 31m 28s | Hits: 48%/9814

🟩 cub: Pass: 100%/47 | Total: 12h 25m | Avg: 15m 52s | Max: 1h 13m | Hits: 2%/3144

🟩 thrust: Pass: 100%/46 | Total: 11h 11m | Avg: 14m 35s | Max: 1h 18m | Hits: 30%/9260

🟩 cudax: Pass: 100%/26 | Total: 2h 18m | Avg: 5m 20s | Max: 20m 04s | Hits: 34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 28s | Avg: 5m 14s | Max: 8m 31s

🟩 python: Pass: 100%/1 | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 170)

help the ranges concepts recognize standard contiguous iterators in c++14/17 #3202

help the ranges concepts recognize standard contiguous iterators in c++14/17 #3202

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ericniebler commented Dec 19, 2024 • edited Loading

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github-actions bot commented Dec 20, 2024

🟩 libcudacxx: Pass: 100%/48 | Total: 14h 59m | Avg: 18m 44s | Max: 51m 36s | Hits: 46%/9814

🟩 cub: Pass: 100%/47 | Total: 1d 15h | Avg: 50m 41s | Max: 1h 07m | Hits: 3%/3124

🟩 thrust: Pass: 100%/46 | Total: 1d 05h | Avg: 37m 57s | Max: 1h 19m | Hits: 30%/9260

🟩 cudax: Pass: 100%/26 | Total: 5h 55m | Avg: 13m 40s | Max: 17m 44s | Hits: 34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 13m 02s | Avg: 6m 31s | Max: 10m 56s

🟩 python: Pass: 100%/1 | Total: 29m 24s | Avg: 29m 24s | Max: 29m 24s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 170)

ericniebler commented Dec 20, 2024

github-actions bot commented Dec 21, 2024

🟩 libcudacxx: Pass: 100%/48 | Total: 11h 46m | Avg: 14m 42s | Max: 31m 28s | Hits: 48%/9814

🟩 cub: Pass: 100%/47 | Total: 12h 25m | Avg: 15m 52s | Max: 1h 13m | Hits: 2%/3144

🟩 thrust: Pass: 100%/46 | Total: 11h 11m | Avg: 14m 35s | Max: 1h 18m | Hits: 30%/9260

🟩 cudax: Pass: 100%/26 | Total: 2h 18m | Avg: 5m 20s | Max: 20m 04s | Hits: 34%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 28s | Avg: 5m 14s | Max: 8m 31s

🟩 python: Pass: 100%/1 | Total: 35m 00s | Avg: 35m 00s | Max: 35m 00s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 170)

ericniebler commented Dec 19, 2024 •

edited

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