[Backport branch/2.8.x] do not try to use clang-19's support for c++26 pack indexing #3903

github-actions · 2025-02-21T18:49:30Z

Description

Backport of #3888 to branch/2.8.x.

clang claims to support pack indexing by defining `__cpp_pack_indexing`, but then it fails to parse pack indexing expressions. (cherry picked from commit c267f32)

copy-pr-bot · 2025-02-21T18:49:35Z

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bernhardmgruber · 2025-02-21T19:01:43Z

/ok to test

github-actions · 2025-02-21T19:54:14Z

🟩 CI finished in 50m 55s: Pass: 100%/169 | Total: 1d 01h | Avg: 8m 58s | Max: 44m 15s | Hits: 546%/20825

🟩 libcudacxx: Pass: 100%/48 | Total: 7h 59m | Avg: 9m 59s | Max: 33m 04s | Hits: 662%/9973

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  🟩 MSVC14.39          Pass: 100%/2   | Total: 58m 47s | Avg: 29m 23s | Max: 31m 38s | Hits: 651%/5158  
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  🟩 NVHPC              Pass: 100%/2   | Total: 41m 24s | Avg: 20m 42s | Max: 33m 04s
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  🟩 rtx2080            Pass: 100%/8   | Total:  1h 32m | Avg: 11m 30s | Max: 15m 58s
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🟩 cub: Pass: 100%/47 | Total: 8h 11m | Avg: 10m 26s | Max: 44m 15s | Hits: 599%/3132

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  🟩 amd64              Pass: 100%/45  | Total:  7h 59m | Avg: 10m 38s | Max: 44m 15s | Hits: 599%/3132  
  🟩 arm64              Pass: 100%/2   | Total: 11m 54s | Avg:  5m 57s | Max:  6m 29s
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  🟩 11.1               Pass: 100%/7   | Total:  1h 11m | Avg: 10m 12s | Max: 44m 15s | Hits: 599%/783   
  🟩 12.5               Pass: 100%/2   | Total: 19m 08s | Avg:  9m 34s | Max:  9m 51s
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🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  8m 54s | Avg:  4m 27s | Max:  4m 28s
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🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  8m 54s | Avg:  4m 27s | Max:  4m 28s
  🟩 nvcc               Pass: 100%/45  | Total:  8h 02m | Avg: 10m 42s | Max: 44m 15s | Hits: 599%/3132  
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  🟩 Clang9             Pass: 100%/4   | Total: 25m 18s | Avg:  6m 19s | Max:  9m 32s
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  🟩 Clang11            Pass: 100%/1   | Total:  5m 10s | Avg:  5m 10s | Max:  5m 10s
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  🟩 Clang17            Pass: 100%/1   | Total:  5m 45s | Avg:  5m 45s | Max:  5m 45s
  🟩 Clang18            Pass: 100%/7   | Total:  1h 08m | Avg:  9m 48s | Max: 22m 03s
  🟩 GCC6               Pass: 100%/2   | Total:  9m 33s | Avg:  4m 46s | Max:  5m 09s
  🟩 GCC7               Pass: 100%/2   | Total: 10m 42s | Avg:  5m 21s | Max:  5m 40s
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  🟩 GCC9               Pass: 100%/3   | Total: 15m 38s | Avg:  5m 12s | Max:  6m 56s
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  🟩 GCC11              Pass: 100%/1   | Total:  7m 03s | Avg:  7m 03s | Max:  7m 03s
  🟩 GCC12              Pass: 100%/3   | Total: 34m 53s | Avg: 11m 37s | Max: 24m 22s
  🟩 GCC13              Pass: 100%/8   | Total:  1h 36m | Avg: 12m 05s | Max: 22m 52s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  6m 56s | Avg:  6m 56s | Max:  6m 56s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 44m 15s | Avg: 44m 15s | Max: 44m 15s | Hits: 599%/783   
  🟩 MSVC14.29          Pass: 100%/1   | Total: 27m 45s | Avg: 27m 45s | Max: 27m 45s | Hits: 599%/783   
  🟩 MSVC14.39          Pass: 100%/2   | Total:  1h 05m | Avg: 32m 52s | Max: 33m 24s | Hits: 599%/1566  
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 19m 08s | Avg:  9m 34s | Max:  9m 51s
🟩 cxx_family
  🟩 Clang              Pass: 100%/19  | Total:  2h 20m | Avg:  7m 23s | Max: 22m 03s
  🟩 GCC                Pass: 100%/21  | Total:  3h 06m | Avg:  8m 53s | Max: 24m 22s
  🟩 Intel              Pass: 100%/1   | Total:  6m 56s | Avg:  6m 56s | Max:  6m 56s
  🟩 MSVC               Pass: 100%/4   | Total:  2h 17m | Avg: 34m 26s | Max: 44m 15s | Hits: 599%/3132  
  🟩 NVHPC              Pass: 100%/2   | Total: 19m 08s | Avg:  9m 34s | Max:  9m 51s
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 28m 43s | Avg: 14m 21s | Max: 24m 22s
  🟩 rtxa6000           Pass: 100%/8   | Total:  2h 08m | Avg: 16m 04s | Max: 22m 52s
  🟩 v100               Pass: 100%/37  | Total:  5h 33m | Avg:  9m 01s | Max: 44m 15s | Hits: 599%/3132  
🟩 jobs
  🟩 Build              Pass: 100%/40  | Total:  5h 49m | Avg:  8m 44s | Max: 44m 15s | Hits: 599%/3132  
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 15m 32s | Avg: 15m 32s | Max: 15m 32s
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  🟩 TestGPU            Pass: 100%/2   | Total: 42m 51s | Avg: 21m 25s | Max: 22m 41s
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🟩 std
  🟩 11                 Pass: 100%/5   | Total: 28m 17s | Avg:  5m 39s | Max:  9m 32s
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🟩 thrust: Pass: 100%/45 | Total: 6h 21m | Avg: 8m 28s | Max: 30m 24s | Hits: 366%/7408

🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 15m 59s | Avg:  7m 59s | Max: 10m 33s
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  🟩 amd64              Pass: 100%/43  | Total:  6h 11m | Avg:  8m 38s | Max: 30m 24s | Hits: 366%/7408  
  🟩 arm64              Pass: 100%/2   | Total: 10m 12s | Avg:  5m 06s | Max:  5m 36s
🟩 ctk
  🟩 11.1               Pass: 100%/7   | Total: 52m 12s | Avg:  7m 27s | Max: 25m 05s | Hits: 368%/1852  
  🟩 12.5               Pass: 100%/2   | Total: 26m 47s | Avg: 13m 23s | Max: 13m 32s
  🟩 12.6               Pass: 100%/36  | Total:  5h 02m | Avg:  8m 24s | Max: 30m 24s | Hits: 365%/5556  
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  9m 45s | Avg:  4m 52s | Max:  5m 01s
  🟩 nvcc11.1           Pass: 100%/7   | Total: 52m 12s | Avg:  7m 27s | Max: 25m 05s | Hits: 368%/1852  
  🟩 nvcc12.5           Pass: 100%/2   | Total: 26m 47s | Avg: 13m 23s | Max: 13m 32s
  🟩 nvcc12.6           Pass: 100%/34  | Total:  4h 52m | Avg:  8m 36s | Max: 30m 24s | Hits: 365%/5556  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  9m 45s | Avg:  4m 52s | Max:  5m 01s
  🟩 nvcc               Pass: 100%/43  | Total:  6h 11m | Avg:  8m 38s | Max: 30m 24s | Hits: 366%/7408  
🟩 cxx
  🟩 Clang9             Pass: 100%/4   | Total: 21m 23s | Avg:  5m 20s | Max:  6m 16s
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  🟩 GCC11              Pass: 100%/1   | Total:  7m 37s | Avg:  7m 37s | Max:  7m 37s
  🟩 GCC12              Pass: 100%/1   | Total:  6m 03s | Avg:  6m 03s | Max:  6m 03s
  🟩 GCC13              Pass: 100%/8   | Total: 56m 08s | Avg:  7m 01s | Max: 10m 46s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total: 11m 18s | Avg: 11m 18s | Max: 11m 18s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 25m 05s | Avg: 25m 05s | Max: 25m 05s | Hits: 368%/1852  
  🟩 MSVC14.29          Pass: 100%/1   | Total: 30m 24s | Avg: 30m 24s | Max: 30m 24s | Hits: 365%/1852  
  🟩 MSVC14.39          Pass: 100%/2   | Total: 59m 49s | Avg: 29m 54s | Max: 29m 55s | Hits: 365%/3704  
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 26m 47s | Avg: 13m 23s | Max: 13m 32s
🟩 cxx_family
  🟩 Clang              Pass: 100%/19  | Total:  1h 51m | Avg:  5m 51s | Max: 10m 14s
  🟩 GCC                Pass: 100%/19  | Total:  1h 56m | Avg:  6m 08s | Max: 10m 46s
  🟩 Intel              Pass: 100%/1   | Total: 11m 18s | Avg: 11m 18s | Max: 11m 18s
  🟩 MSVC               Pass: 100%/4   | Total:  1h 55m | Avg: 28m 49s | Max: 30m 24s | Hits: 366%/7408  
  🟩 NVHPC              Pass: 100%/2   | Total: 26m 47s | Avg: 13m 23s | Max: 13m 32s
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  🟩 rtx4090            Pass: 100%/8   | Total:  1h 03m | Avg:  7m 57s | Max: 10m 46s
  🟩 v100               Pass: 100%/37  | Total:  5h 17m | Avg:  8m 35s | Max: 30m 24s | Hits: 366%/7408  
🟩 jobs
  🟩 Build              Pass: 100%/40  | Total:  5h 34m | Avg:  8m 22s | Max: 30m 24s | Hits: 366%/7408  
  🟩 TestCPU            Pass: 100%/2   | Total: 15m 18s | Avg:  7m 39s | Max:  8m 06s
  🟩 TestGPU            Pass: 100%/3   | Total: 31m 33s | Avg: 10m 31s | Max: 10m 46s
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  🟩 90a                Pass: 100%/1   | Total:  4m 15s | Avg:  4m 15s | Max:  4m 15s
🟩 std
  🟩 11                 Pass: 100%/5   | Total: 23m 38s | Avg:  4m 43s | Max:  5m 57s
  🟩 14                 Pass: 100%/4   | Total: 42m 29s | Avg: 10m 37s | Max: 25m 05s | Hits: 368%/1852  
  🟩 17                 Pass: 100%/12  | Total:  2h 10m | Avg: 10m 50s | Max: 30m 24s | Hits: 365%/3704  
  🟩 20                 Pass: 100%/22  | Total:  2h 49m | Avg:  7m 41s | Max: 29m 55s | Hits: 365%/1852

🟩 cudax: Pass: 100%/26 | Total: 2h 10m | Avg: 5m 00s | Max: 15m 22s | Hits: 582%/312

🟩 cpu
  🟩 amd64              Pass: 100%/22  | Total:  1h 59m | Avg:  5m 25s | Max: 15m 22s | Hits: 582%/312   
  🟩 arm64              Pass: 100%/4   | Total: 11m 10s | Avg:  2m 47s | Max:  3m 13s
🟩 ctk
  🟩 12.0               Pass: 100%/3   | Total: 18m 08s | Avg:  6m 02s | Max:  9m 36s | Hits: 582%/156   
  🟩 12.5               Pass: 100%/2   | Total: 10m 41s | Avg:  5m 20s | Max:  5m 23s
  🟩 12.6               Pass: 100%/21  | Total:  1h 41m | Avg:  4m 50s | Max: 15m 22s | Hits: 582%/156   
🟩 cudacxx
  🟩 nvcc12.0           Pass: 100%/3   | Total: 18m 08s | Avg:  6m 02s | Max:  9m 36s | Hits: 582%/156   
  🟩 nvcc12.5           Pass: 100%/2   | Total: 10m 41s | Avg:  5m 20s | Max:  5m 23s
  🟩 nvcc12.6           Pass: 100%/21  | Total:  1h 41m | Avg:  4m 50s | Max: 15m 22s | Hits: 582%/156   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/26  | Total:  2h 10m | Avg:  5m 00s | Max: 15m 22s | Hits: 582%/312   
🟩 cxx
  🟩 Clang9             Pass: 100%/1   | Total:  5m 23s | Avg:  5m 23s | Max:  5m 23s
  🟩 Clang10            Pass: 100%/1   | Total:  4m 08s | Avg:  4m 08s | Max:  4m 08s
  🟩 Clang11            Pass: 100%/1   | Total:  3m 14s | Avg:  3m 14s | Max:  3m 14s
  🟩 Clang12            Pass: 100%/1   | Total:  3m 27s | Avg:  3m 27s | Max:  3m 27s
  🟩 Clang13            Pass: 100%/1   | Total:  3m 01s | Avg:  3m 01s | Max:  3m 01s
  🟩 Clang14            Pass: 100%/1   | Total:  3m 52s | Avg:  3m 52s | Max:  3m 52s
  🟩 Clang15            Pass: 100%/1   | Total:  3m 45s | Avg:  3m 45s | Max:  3m 45s
  🟩 Clang16            Pass: 100%/1   | Total:  3m 50s | Avg:  3m 50s | Max:  3m 50s
  🟩 Clang17            Pass: 100%/1   | Total:  3m 08s | Avg:  3m 08s | Max:  3m 08s
  🟩 Clang18            Pass: 100%/4   | Total: 21m 17s | Avg:  5m 19s | Max: 12m 12s
  🟩 GCC9               Pass: 100%/1   | Total:  3m 09s | Avg:  3m 09s | Max:  3m 09s
  🟩 GCC10              Pass: 100%/1   | Total:  3m 27s | Avg:  3m 27s | Max:  3m 27s
  🟩 GCC11              Pass: 100%/1   | Total:  4m 44s | Avg:  4m 44s | Max:  4m 44s
  🟩 GCC12              Pass: 100%/2   | Total: 17m 48s | Avg:  8m 54s | Max: 12m 43s
  🟩 GCC13              Pass: 100%/4   | Total: 10m 32s | Avg:  2m 38s | Max:  2m 41s
  🟩 MSVC14.36          Pass: 100%/1   | Total:  9m 36s | Avg:  9m 36s | Max:  9m 36s | Hits: 582%/156   
  🟩 MSVC14.39          Pass: 100%/1   | Total: 15m 22s | Avg: 15m 22s | Max: 15m 22s | Hits: 582%/156   
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 10m 41s | Avg:  5m 20s | Max:  5m 23s
🟩 cxx_family
  🟩 Clang              Pass: 100%/13  | Total: 55m 05s | Avg:  4m 14s | Max: 12m 12s
  🟩 GCC                Pass: 100%/9   | Total: 39m 40s | Avg:  4m 24s | Max: 12m 43s
  🟩 MSVC               Pass: 100%/2   | Total: 24m 58s | Avg: 12m 29s | Max: 15m 22s | Hits: 582%/312   
  🟩 NVHPC              Pass: 100%/2   | Total: 10m 41s | Avg:  5m 20s | Max:  5m 23s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 33m 10s | Avg:  8m 17s | Max: 12m 43s
  🟩 v100               Pass: 100%/22  | Total:  1h 37m | Avg:  4m 25s | Max: 15m 22s | Hits: 582%/312   
🟩 jobs
  🟩 Build              Pass: 100%/24  | Total:  1h 45m | Avg:  4m 23s | Max: 15m 22s | Hits: 582%/312   
  🟩 Test               Pass: 100%/2   | Total: 24m 55s | Avg: 12m 27s | Max: 12m 43s
🟩 sm
  🟩 90                 Pass: 100%/1   | Total:  2m 39s | Avg:  2m 39s | Max:  2m 39s
  🟩 90a                Pass: 100%/1   | Total:  2m 38s | Avg:  2m 38s | Max:  2m 38s
🟩 std
  🟩 17                 Pass: 100%/6   | Total: 21m 45s | Avg:  3m 37s | Max:  5m 23s
  🟩 20                 Pass: 100%/20  | Total:  1h 48m | Avg:  5m 25s | Max: 15m 22s | Hits: 582%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 7m 24s | Avg: 3m 42s | Max: 5m 23s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 ctk
  🟩 12.6               Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total:  7m 24s | Avg:  3m 42s | Max:  5m 23s
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 01s | Avg:  2m 01s | Max:  2m 01s
  🟩 Test               Pass: 100%/1   | Total:  5m 23s | Avg:  5m 23s | Max:  5m 23s

🟩 python: Pass: 100%/1 | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 ctk
  🟩 12.6               Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s

👃 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: 169)

#	Runner
125	`linux-amd64-cpu16`
14	`windows-amd64-cpu16`
10	`linux-amd64-gpu-rtx2080-latest-1`
10	`linux-arm64-cpu16`
6	`linux-amd64-gpu-rtxa6000-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`
1	`linux-amd64-gpu-h100-latest-1`

do not try to use clang-19's support for c++26 pack indexing (#3888)

e3f7d70

clang claims to support pack indexing by defining `__cpp_pack_indexing`, but then it fails to parse pack indexing expressions. (cherry picked from commit c267f32)

github-actions bot requested review from a team as code owners February 21, 2025 18:49

github-actions bot requested review from wmaxey and griwes February 21, 2025 18:49

github-actions bot mentioned this pull request Feb 21, 2025

do not try to use clang-19's support for c++26 pack indexing #3888

Merged

2 tasks

wmaxey approved these changes Feb 21, 2025

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bernhardmgruber merged commit 6d02e11 into branch/2.8.x Feb 21, 2025
185 checks passed

bernhardmgruber deleted the backport-3888-to-branch/2.8.x branch February 21, 2025 21:11

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[Backport branch/2.8.x] do not try to use clang-19's support for c++26 pack indexing #3903

[Backport branch/2.8.x] do not try to use clang-19's support for c++26 pack indexing #3903

github-actions bot commented Feb 21, 2025

copy-pr-bot bot commented Feb 21, 2025

bernhardmgruber commented Feb 21, 2025

github-actions bot commented Feb 21, 2025

🟩 libcudacxx: Pass: 100%/48 | Total: 7h 59m | Avg: 9m 59s | Max: 33m 04s | Hits: 662%/9973

🟩 cub: Pass: 100%/47 | Total: 8h 11m | Avg: 10m 26s | Max: 44m 15s | Hits: 599%/3132

🟩 thrust: Pass: 100%/45 | Total: 6h 21m | Avg: 8m 28s | Max: 30m 24s | Hits: 366%/7408

🟩 cudax: Pass: 100%/26 | Total: 2h 10m | Avg: 5m 00s | Max: 15m 22s | Hits: 582%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 7m 24s | Avg: 3m 42s | Max: 5m 23s

🟩 python: Pass: 100%/1 | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 169)

[Backport branch/2.8.x] do not try to use clang-19's support for c++26 pack indexing #3903

[Backport branch/2.8.x] do not try to use clang-19's support for c++26 pack indexing #3903

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github-actions bot commented Feb 21, 2025

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copy-pr-bot bot commented Feb 21, 2025

bernhardmgruber commented Feb 21, 2025

github-actions bot commented Feb 21, 2025

🟩 libcudacxx: Pass: 100%/48 | Total: 7h 59m | Avg: 9m 59s | Max: 33m 04s | Hits: 662%/9973

🟩 cub: Pass: 100%/47 | Total: 8h 11m | Avg: 10m 26s | Max: 44m 15s | Hits: 599%/3132

🟩 thrust: Pass: 100%/45 | Total: 6h 21m | Avg: 8m 28s | Max: 30m 24s | Hits: 366%/7408

🟩 cudax: Pass: 100%/26 | Total: 2h 10m | Avg: 5m 00s | Max: 15m 22s | Hits: 582%/312

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 7m 24s | Avg: 3m 42s | Max: 5m 23s

🟩 python: Pass: 100%/1 | Total: 26m 04s | Avg: 26m 04s | Max: 26m 04s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 169)