[backport 3.0.x] Fix uninitialized read in local atomics test when compiled for SM light architectures (#4440) by wmaxey · Pull Request #4850 · NVIDIA/cccl

wmaxey · 2025-05-29T18:08:28Z

Description

closes: nvbug/5286911

Checklist

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

…ht architectures (#4440)

github-actions · 2025-05-29T19:26:59Z

🟨 CI finished in 1h 16m: Pass: 97%/162 | Total: 1d 13h | Avg: 13m 44s | Max: 1h 14m | Hits: 78%/245006

🟨 thrust: Pass: 95%/45 | Total: 8h 07m | Avg: 10m 49s | Max: 29m 22s | Hits: 99%/76702

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  95%/43  | Total:  7h 56m | Avg: 11m 04s | Max: 29m 22s | Hits:  99%/73133 
  🟩 arm64              Pass: 100%/2   | Total: 11m 18s | Avg:  5m 39s | Max:  5m 42s | Hits:  99%/3569  
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 17m 45s | Avg:  8m 52s | Max: 10m 31s | Hits: 100%/3568  
  🔍 nvcc               Pass:  95%/43  | Total:  7h 49m | Avg: 10m 55s | Max: 29m 22s | Hits:  99%/73134 
🔍 std: 20 🔍
  🟩 17                 Pass: 100%/20  | Total:  3h 56m | Avg: 11m 50s | Max: 26m 45s | Hits:  99%/35671 
  🔍 20                 Pass:  91%/23  | Total:  3h 49m | Avg:  9m 57s | Max: 29m 22s | Hits:  99%/37461 
🟨 ctk
  🟨 12.0               Pass:  80%/5   | Total: 52m 27s | Avg: 10m 29s | Max: 24m 53s | Hits:  99%/7132  
  🟩 12.6               Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
  🟨 12.8               Pass:  97%/38  | Total:  6h 35m | Avg: 10m 25s | Max: 29m 22s | Hits:  99%/66002 
🟨 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 17m 45s | Avg:  8m 52s | Max: 10m 31s | Hits: 100%/3568  
  🟨 nvcc12.0           Pass:  80%/5   | Total: 52m 27s | Avg: 10m 29s | Max: 24m 53s | Hits:  99%/7132  
  🟩 nvcc12.6           Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
  🟨 nvcc12.8           Pass:  97%/36  | Total:  6h 18m | Avg: 10m 30s | Max: 29m 22s | Hits:  99%/62434 
🟨 cxx
  🟨 Clang14            Pass:  75%/4   | Total: 26m 43s | Avg:  6m 40s | Max:  9m 53s | Hits: 100%/5352  
  🟩 Clang15            Pass: 100%/2   | Total: 18m 02s | Avg:  9m 01s | Max:  9m 24s | Hits: 100%/3568  
  🟩 Clang16            Pass: 100%/2   | Total: 16m 37s | Avg:  8m 18s | Max:  8m 20s | Hits: 100%/3568  
  🟩 Clang17            Pass: 100%/2   | Total: 16m 03s | Avg:  8m 01s | Max:  8m 29s | Hits: 100%/3568  
  🟩 Clang18            Pass: 100%/7   | Total: 55m 13s | Avg:  7m 53s | Max: 10m 31s | Hits: 100%/12488 
  🟩 GCC7               Pass: 100%/2   | Total: 16m 53s | Avg:  8m 26s | Max:  9m 48s | Hits:  99%/3570  
  🟩 GCC8               Pass: 100%/1   | Total:  9m 52s | Avg:  9m 52s | Max:  9m 52s | Hits:  99%/1785  
  🟩 GCC9               Pass: 100%/2   | Total: 17m 54s | Avg:  8m 57s | Max:  9m 24s | Hits:  99%/3570  
  🟩 GCC10              Pass: 100%/2   | Total: 17m 10s | Avg:  8m 35s | Max:  8m 40s | Hits:  99%/3570  
  🟩 GCC11              Pass: 100%/2   | Total: 16m 44s | Avg:  8m 22s | Max:  8m 37s | Hits:  99%/3570  
  🟩 GCC12              Pass: 100%/2   | Total: 18m 25s | Avg:  9m 12s | Max:  9m 59s | Hits:  99%/3570  
  🟨 GCC13              Pass:  90%/10  | Total:  1h 26m | Avg:  8m 36s | Max: 12m 41s | Hits:  99%/16065 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 50m 12s | Avg: 25m 06s | Max: 25m 19s | Hits:  99%/3556  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  1h 22m | Avg: 27m 30s | Max: 29m 22s | Hits:  99%/5334  
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
🟨 cxx_family
  🟨 Clang              Pass:  94%/17  | Total:  2h 12m | Avg:  7m 48s | Max: 10m 31s | Hits: 100%/28544 
  🟨 GCC                Pass:  95%/21  | Total:  3h 02m | Avg:  8m 42s | Max: 12m 41s | Hits:  99%/35700 
  🟩 MSVC               Pass: 100%/5   | Total:  2h 12m | Avg: 26m 32s | Max: 29m 22s | Hits:  99%/8890  
  🟩 NVHPC              Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
🟨 gpu
  🟩 h100               Pass: 100%/2   | Total: 19m 19s | Avg:  9m 39s | Max: 12m 41s | Hits:  99%/3570  
  🟨 rtx2080            Pass:  96%/33  | Total:  5h 43m | Avg: 10m 25s | Max: 26m 45s | Hits:  99%/57084 
  🟨 rtx4090            Pass:  90%/10  | Total:  2h 04m | Avg: 12m 26s | Max: 29m 22s | Hits:  99%/16048 
🟨 jobs
  🟨 Build              Pass:  97%/38  | Total:  6h 43m | Avg: 10m 36s | Max: 26m 45s | Hits:  99%/66001 
  🟨 TestCPU            Pass:  66%/3   | Total: 37m 25s | Avg: 12m 28s | Max: 29m 22s | Hits:  99%/3562  
  🟩 TestGPU            Pass: 100%/4   | Total: 46m 56s | Avg: 11m 44s | Max: 12m 41s | Hits:  99%/7139  
🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 21m 35s | Avg: 10m 47s | Max: 12m 03s | Hits:  99%/3570  
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 19m 19s | Avg:  9m 39s | Max: 12m 41s | Hits:  99%/3570  
  🟩 90;90a;100         Pass: 100%/1   | Total:  9m 15s | Avg:  9m 15s | Max:  9m 15s | Hits:  99%/1785

🟨 cub: Pass: 97%/45 | Total: 9h 48m | Avg: 13m 05s | Max: 26m 28s | Hits: 98%/52630

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  97%/43  | Total:  9h 34m | Avg: 13m 21s | Max: 26m 28s | Hits:  98%/50182 
  🟩 arm64              Pass: 100%/2   | Total: 14m 34s | Avg:  7m 17s | Max:  7m 55s | Hits:  97%/2448  
🔍 ctk: 12.8 🔍
  🟩 12.0               Pass: 100%/5   | Total:  1h 00m | Avg: 12m 05s | Max: 25m 06s | Hits:  97%/5949  
  🟩 12.6               Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
  🔍 12.8               Pass:  97%/38  | Total:  8h 14m | Avg: 13m 00s | Max: 26m 28s | Hits:  98%/44427 
🔍 cudacxx: nvcc12.8 🔍
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 15m 25s | Avg:  7m 42s | Max:  8m 52s | Hits:  99%/2110  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  1h 00m | Avg: 12m 05s | Max: 25m 06s | Hits:  97%/5949  
  🟩 nvcc12.6           Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
  🔍 nvcc12.8           Pass:  97%/36  | Total:  7h 59m | Avg: 13m 18s | Max: 26m 28s | Hits:  98%/42317 
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 15m 25s | Avg:  7m 42s | Max:  8m 52s | Hits:  99%/2110  
  🔍 nvcc               Pass:  97%/43  | Total:  9h 33m | Avg: 13m 20s | Max: 26m 28s | Hits:  98%/50520 
🔍 cxx: GCC12 🔍
  🟩 Clang14            Pass: 100%/4   | Total: 34m 53s | Avg:  8m 43s | Max:  9m 59s | Hits:  97%/4904  
  🟩 Clang15            Pass: 100%/2   | Total: 16m 27s | Avg:  8m 13s | Max:  8m 39s | Hits:  97%/2448  
  🟩 Clang16            Pass: 100%/2   | Total: 19m 51s | Avg:  9m 55s | Max: 11m 09s | Hits:  97%/2448  
  🟩 Clang17            Pass: 100%/2   | Total: 19m 03s | Avg:  9m 31s | Max: 10m 31s | Hits:  97%/2448  
  🟩 Clang18            Pass: 100%/7   | Total:  1h 27m | Avg: 12m 30s | Max: 26m 28s | Hits:  98%/8230  
  🟩 GCC7               Pass: 100%/2   | Total: 16m 54s | Avg:  8m 27s | Max:  9m 24s | Hits:  97%/2452  
  🟩 GCC8               Pass: 100%/1   | Total:  9m 16s | Avg:  9m 16s | Max:  9m 16s | Hits:  97%/1226  
  🟩 GCC9               Pass: 100%/2   | Total: 20m 11s | Avg: 10m 05s | Max: 10m 23s | Hits:  97%/2452  
  🟩 GCC10              Pass: 100%/2   | Total: 19m 42s | Avg:  9m 51s | Max: 10m 11s | Hits:  97%/2452  
  🟩 GCC11              Pass: 100%/2   | Total: 17m 44s | Avg:  8m 52s | Max:  9m 22s | Hits:  97%/2448  
  🔍 GCC12              Pass:  50%/2   | Total: 10m 16s | Avg:  5m 08s | Max:  9m 42s | Hits:  97%/1224  
  🟩 GCC13              Pass: 100%/11  | Total:  3h 01m | Avg: 16m 29s | Max: 25m 48s | Hits:  98%/13464 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 50m 42s | Avg: 25m 21s | Max: 25m 36s | Hits:  98%/2090  
  🟩 MSVC14.42          Pass: 100%/2   | Total: 51m 01s | Avg: 25m 30s | Max: 25m 45s | Hits:  98%/2090  
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
🔍 cxx_family: GCC 🔍
  🟩 Clang              Pass: 100%/17  | Total:  2h 57m | Avg: 10m 27s | Max: 26m 28s | Hits:  98%/20478 
  🔍 GCC                Pass:  95%/22  | Total:  4h 35m | Avg: 12m 31s | Max: 25m 48s | Hits:  98%/25718 
  🟩 MSVC               Pass: 100%/4   | Total:  1h 41m | Avg: 25m 25s | Max: 25m 45s | Hits:  98%/4180  
  🟩 NVHPC              Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
🔍 gpu: rtx2080 🔍
  🟩 h100               Pass: 100%/3   | Total: 54m 24s | Avg: 18m 08s | Max: 24m 22s | Hits:  98%/3672  
  🔍 rtx2080            Pass:  97%/34  | Total:  6h 16m | Avg: 11m 04s | Max: 25m 45s | Hits:  97%/39166 
  🟩 rtxa6000           Pass: 100%/8   | Total:  2h 37m | Avg: 19m 44s | Max: 26m 28s | Hits:  99%/9792  
🔍 jobs: Build 🔍
  🔍 Build              Pass:  97%/37  | Total:  6h 41m | Avg: 10m 51s | Max: 25m 45s | Hits:  97%/42838 
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 25m 03s | Avg: 25m 03s | Max: 25m 03s | Hits:  99%/1224  
  🟩 GraphCapture       Pass: 100%/1   | Total: 17m 47s | Avg: 17m 47s | Max: 17m 47s | Hits:  99%/1224  
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 16m | Avg: 25m 32s | Max: 26m 28s | Hits:  99%/3672  
  🟩 TestGPU            Pass: 100%/3   | Total:  1h 07m | Avg: 22m 39s | Max: 22m 56s | Hits:  99%/3672  
🔍 std: 17 🔍
  🔍 17                 Pass:  95%/20  | Total:  3h 46m | Avg: 11m 18s | Max: 25m 36s | Hits:  97%/22469 
  🟩 20                 Pass: 100%/25  | Total:  6h 02m | Avg: 14m 30s | Max: 26m 28s | Hits:  98%/30161 
🟩 sm
  🟩 90                 Pass: 100%/3   | Total: 54m 24s | Avg: 18m 08s | Max: 24m 22s | Hits:  98%/3672  
  🟩 90;90a;100         Pass: 100%/1   | Total:  9m 51s | Avg:  9m 51s | Max:  9m 51s | Hits:  98%/1224

🟨 libcudacxx: Pass: 97%/43 | Total: 14h 01m | Avg: 19m 33s | Max: 44m 02s | Hits: 49%/103524

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  97%/41  | Total: 13h 13m | Avg: 19m 20s | Max: 44m 02s | Hits:  50%/97705 
  🟩 arm64              Pass: 100%/2   | Total: 47m 56s | Avg: 23m 58s | Max: 24m 34s | Hits:  26%/5819  
🔍 ctk: 12.8 🔍
  🟩 12.0               Pass: 100%/5   | Total:  1h 16m | Avg: 15m 20s | Max: 26m 42s | Hits:  67%/14174 
  🟩 12.6               Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
  🔍 12.8               Pass:  97%/36  | Total: 11h 21m | Avg: 18m 55s | Max: 30m 04s | Hits:  47%/83584 
🔍 cudacxx: nvcc12.8 🔍
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 51m 15s | Avg: 25m 37s | Max: 26m 31s | Hits:  27%/5780  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  1h 16m | Avg: 15m 20s | Max: 26m 42s | Hits:  67%/14174 
  🟩 nvcc12.6           Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
  🔍 nvcc12.8           Pass:  97%/34  | Total: 10h 29m | Avg: 18m 31s | Max: 30m 04s | Hits:  48%/77804 
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 51m 15s | Avg: 25m 37s | Max: 26m 31s | Hits:  27%/5780  
  🔍 nvcc               Pass:  97%/41  | Total: 13h 09m | Avg: 19m 15s | Max: 44m 02s | Hits:  50%/97744 
🔍 cxx: Clang16 🔍
  🟩 Clang14            Pass: 100%/4   | Total:  1h 25m | Avg: 21m 22s | Max: 27m 21s | Hits:  49%/11528 
  🟩 Clang15            Pass: 100%/2   | Total: 56m 12s | Avg: 28m 06s | Max: 29m 11s | Hits:  32%/5776  
  🔍 Clang16            Pass:  50%/2   | Total: 30m 04s | Avg: 15m 02s | Max: 29m 42s | Hits:  31%/2909  
  🟩 Clang17            Pass: 100%/2   | Total: 31m 48s | Avg: 15m 54s | Max: 24m 44s | Hits:  66%/5776  
  🟩 Clang18            Pass: 100%/6   | Total:  2h 02m | Avg: 20m 29s | Max: 30m 04s | Hits:  44%/14465 
  🟩 GCC7               Pass: 100%/2   | Total: 15m 48s | Avg:  7m 54s | Max:  8m 04s | Hits:  85%/5714  
  🟩 GCC8               Pass: 100%/1   | Total:  7m 06s | Avg:  7m 06s | Max:  7m 06s | Hits:  85%/2867  
  🟩 GCC9               Pass: 100%/2   | Total: 15m 36s | Avg:  7m 48s | Max: 10m 18s | Hits:  85%/5726  
  🟩 GCC10              Pass: 100%/2   | Total: 52m 31s | Avg: 26m 15s | Max: 27m 29s | Hits:  19%/5782  
  🟩 GCC11              Pass: 100%/2   | Total: 56m 18s | Avg: 28m 09s | Max: 28m 38s | Hits:  18%/5778  
  🟩 GCC12              Pass: 100%/2   | Total: 36m 35s | Avg: 18m 17s | Max: 29m 29s | Hits:  52%/5778  
  🟩 GCC13              Pass: 100%/10  | Total:  2h 15m | Avg: 13m 33s | Max: 25m 14s | Hits:  59%/14726 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 56m 28s | Avg: 28m 14s | Max: 29m 46s | Hits:  26%/5432  
  🟩 MSVC14.42          Pass: 100%/2   | Total: 55m 21s | Avg: 27m 40s | Max: 29m 15s | Hits:  52%/5501  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
🔍 cxx_family: Clang 🔍
  🔍 Clang              Pass:  93%/16  | Total:  5h 26m | Avg: 20m 24s | Max: 30m 04s | Hits:  46%/40454 
  🟩 GCC                Pass: 100%/21  | Total:  5h 19m | Avg: 15m 12s | Max: 29m 29s | Hits:  56%/46371 
  🟩 MSVC               Pass: 100%/4   | Total:  1h 51m | Avg: 27m 57s | Max: 29m 46s | Hits:  39%/10933 
  🟩 NVHPC              Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
🔍 gpu: rtx2080 🔍
  🟩 h100               Pass: 100%/2   | Total: 19m 01s | Avg:  9m 30s | Max: 12m 19s | Hits:  85%/2999  
  🔍 rtx2080            Pass:  97%/41  | Total: 13h 42m | Avg: 20m 03s | Max: 44m 02s | Hits:  48%/100525
🔍 jobs: Build 🔍
  🔍 Build              Pass:  97%/37  | Total: 12h 46m | Avg: 20m 43s | Max: 44m 02s | Hits:  49%/103484
  🟩 NVRTC              Pass: 100%/2   | Total: 36m 56s | Avg: 18m 28s | Max: 19m 34s | Hits:  90%/40    
  🟩 Test               Pass: 100%/3   | Total: 32m 29s | Avg: 10m 49s | Max: 12m 19s
  🟩 VerifyCodegen      Pass: 100%/1   | Total:  5m 04s | Avg:  5m 04s | Max:  5m 04s
🔍 std: 17 🔍
  🔍 17                 Pass:  95%/21  | Total:  6h 37m | Avg: 18m 57s | Max: 39m 18s | Hits:  52%/54009 
  🟩 20                 Pass: 100%/21  | Total:  7h 18m | Avg: 20m 51s | Max: 44m 02s | Hits:  45%/49515 
🟩 sm
  🟩 75                 Pass: 100%/2   | Total: 36m 56s | Avg: 18m 28s | Max: 19m 34s | Hits:  90%/40    
  🟩 90                 Pass: 100%/2   | Total: 19m 01s | Avg:  9m 30s | Max: 12m 19s | Hits:  85%/2999  
  🟩 90;90a;100         Pass: 100%/1   | Total:  7m 50s | Avg:  7m 50s | Max:  7m 50s | Hits:  82%/2999

🟩 cudax: Pass: 100%/22 | Total: 2h 59m | Avg: 8m 08s | Max: 16m 09s | Hits: 99%/11830

🟩 cpu
  🟩 amd64              Pass: 100%/18  | Total:  2h 43m | Avg:  9m 05s | Max: 16m 09s | Hits:  99%/9494  
  🟩 arm64              Pass: 100%/4   | Total: 15m 31s | Avg:  3m 52s | Max:  4m 42s | Hits:  99%/2336  
🟩 ctk
  🟩 12.0               Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 12.6               Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
  🟩 12.8               Pass: 100%/19  | Total:  2h 20m | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/10797 
🟩 cudacxx
  🟩 nvcc12.0           Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 nvcc12.6           Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
  🟩 nvcc12.8           Pass: 100%/19  | Total:  2h 20m | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/10797 
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/22  | Total:  2h 59m | Avg:  8m 08s | Max: 16m 09s | Hits:  99%/11830 
🟩 cxx
  🟩 Clang14            Pass: 100%/1   | Total:  6m 18s | Avg:  6m 18s | Max:  6m 18s | Hits: 100%/586   
  🟩 Clang15            Pass: 100%/1   | Total:  5m 58s | Avg:  5m 58s | Max:  5m 58s | Hits: 100%/584   
  🟩 Clang16            Pass: 100%/1   | Total:  6m 49s | Avg:  6m 49s | Max:  6m 49s | Hits: 100%/584   
  🟩 Clang17            Pass: 100%/1   | Total:  8m 04s | Avg:  8m 04s | Max:  8m 04s | Hits: 100%/584   
  🟩 Clang18            Pass: 100%/4   | Total: 31m 47s | Avg:  7m 56s | Max: 16m 09s | Hits:  99%/2336  
  🟩 GCC10              Pass: 100%/1   | Total:  5m 26s | Avg:  5m 26s | Max:  5m 26s | Hits:  99%/586   
  🟩 GCC11              Pass: 100%/1   | Total:  5m 24s | Avg:  5m 24s | Max:  5m 24s | Hits:  99%/584   
  🟩 GCC12              Pass: 100%/2   | Total: 19m 56s | Avg:  9m 58s | Max: 13m 49s | Hits:  99%/1168  
  🟩 GCC13              Pass: 100%/6   | Total: 37m 19s | Avg:  6m 13s | Max: 11m 33s | Hits:  99%/3504  
  🟩 MSVC14.39          Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 MSVC14.42          Pass: 100%/1   | Total: 13m 12s | Avg: 13m 12s | Max: 13m 12s | Hits:  95%/281   
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
🟩 cxx_family
  🟩 Clang              Pass: 100%/8   | Total: 58m 56s | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/4674  
  🟩 GCC                Pass: 100%/10  | Total:  1h 08m | Avg:  6m 48s | Max: 13m 49s | Hits:  99%/5842  
  🟩 MSVC               Pass: 100%/2   | Total: 27m 01s | Avg: 13m 30s | Max: 13m 49s | Hits:  95%/562   
  🟩 NVHPC              Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 18m 17s | Avg:  9m 08s | Max: 11m 33s | Hits:  99%/1168  
  🟩 rtx2080            Pass: 100%/20  | Total:  2h 40m | Avg:  8m 02s | Max: 16m 09s | Hits:  99%/10662 
🟩 jobs
  🟩 Build              Pass: 100%/19  | Total:  2h 17m | Avg:  7m 14s | Max: 13m 49s | Hits:  99%/10078 
  🟩 Test               Pass: 100%/3   | Total: 41m 31s | Avg: 13m 50s | Max: 16m 09s | Hits:  99%/1752  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total: 24m 35s | Avg:  8m 11s | Max: 11m 33s | Hits:  99%/1752  
  🟩 90a                Pass: 100%/1   | Total:  5m 28s | Avg:  5m 28s | Max:  5m 28s | Hits:  99%/584   
🟩 std
  🟩 17                 Pass: 100%/4   | Total: 27m 16s | Avg:  6m 49s | Max: 12m 50s | Hits:  99%/2128  
  🟩 20                 Pass: 100%/18  | Total:  2h 31m | Avg:  8m 26s | Max: 16m 09s | Hits:  99%/9702

🟩 stdpar: Pass: 100%/4 | Total: 37m 24s | Avg: 9m 21s | Max: 9m 59s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 17m 32s | Avg:  8m 46s | Max:  8m 46s
  🟩 arm64              Pass: 100%/2   | Total: 19m 52s | Avg:  9m 56s | Max:  9m 59s
🟩 ctk
  🟩 12.6               Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cxx
  🟩 NVHPC25.1          Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cxx_family
  🟩 NVHPC              Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 jobs
  🟩 Build              Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 std
  🟩 17                 Pass: 100%/2   | Total: 18m 39s | Avg:  9m 19s | Max:  9m 53s
  🟩 20                 Pass: 100%/2   | Total: 18m 45s | Avg:  9m 22s | Max:  9m 59s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 06s | Avg: 9m 33s | Max: 14m 56s | Hits: 98%/320

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  4m 10s | Avg:  4m 10s | Max:  4m 10s | Hits:  98%/160   
  🟩 Test               Pass: 100%/1   | Total: 14m 56s | Avg: 14m 56s | Max: 14m 56s | Hits:  98%/160

🟩 python: Pass: 100%/1 | Total: 1h 14m | Avg: 1h 14m | Max: 1h 14m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m

👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 162)

#	Runner
113	`linux-amd64-cpu16`
15	`windows-amd64-cpu16`
12	`linux-arm64-cpu16`
8	`linux-amd64-gpu-rtx2080-latest-1`
6	`linux-amd64-gpu-rtxa6000-latest-1`
5	`linux-amd64-gpu-h100-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`

github-actions · 2025-05-30T00:35:27Z

🟩 CI finished in 6h 25m: Pass: 100%/162 | Total: 1d 13h | Avg: 13m 54s | Max: 1h 14m | Hits: 78%/252666

🟩 cub: Pass: 100%/45 | Total: 9h 55m | Avg: 13m 13s | Max: 26m 28s | Hits: 98%/53854

🟩 cpu
  🟩 amd64              Pass: 100%/43  | Total:  9h 40m | Avg: 13m 30s | Max: 26m 28s | Hits:  98%/51406 
  🟩 arm64              Pass: 100%/2   | Total: 14m 34s | Avg:  7m 17s | Max:  7m 55s | Hits:  97%/2448  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total:  1h 00m | Avg: 12m 05s | Max: 25m 06s | Hits:  97%/5949  
  🟩 12.6               Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
  🟩 12.8               Pass: 100%/38  | Total:  8h 21m | Avg: 13m 11s | Max: 26m 28s | Hits:  98%/45651 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 15m 25s | Avg:  7m 42s | Max:  8m 52s | Hits:  99%/2110  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  1h 00m | Avg: 12m 05s | Max: 25m 06s | Hits:  97%/5949  
  🟩 nvcc12.6           Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
  🟩 nvcc12.8           Pass: 100%/36  | Total:  8h 05m | Avg: 13m 29s | Max: 26m 28s | Hits:  98%/43541 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 15m 25s | Avg:  7m 42s | Max:  8m 52s | Hits:  99%/2110  
  🟩 nvcc               Pass: 100%/43  | Total:  9h 40m | Avg: 13m 29s | Max: 26m 28s | Hits:  98%/51744 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total: 34m 53s | Avg:  8m 43s | Max:  9m 59s | Hits:  97%/4904  
  🟩 Clang15            Pass: 100%/2   | Total: 16m 27s | Avg:  8m 13s | Max:  8m 39s | Hits:  97%/2448  
  🟩 Clang16            Pass: 100%/2   | Total: 19m 51s | Avg:  9m 55s | Max: 11m 09s | Hits:  97%/2448  
  🟩 Clang17            Pass: 100%/2   | Total: 19m 03s | Avg:  9m 31s | Max: 10m 31s | Hits:  97%/2448  
  🟩 Clang18            Pass: 100%/7   | Total:  1h 27m | Avg: 12m 30s | Max: 26m 28s | Hits:  98%/8230  
  🟩 GCC7               Pass: 100%/2   | Total: 16m 54s | Avg:  8m 27s | Max:  9m 24s | Hits:  97%/2452  
  🟩 GCC8               Pass: 100%/1   | Total:  9m 16s | Avg:  9m 16s | Max:  9m 16s | Hits:  97%/1226  
  🟩 GCC9               Pass: 100%/2   | Total: 20m 11s | Avg: 10m 05s | Max: 10m 23s | Hits:  97%/2452  
  🟩 GCC10              Pass: 100%/2   | Total: 19m 42s | Avg:  9m 51s | Max: 10m 11s | Hits:  97%/2452  
  🟩 GCC11              Pass: 100%/2   | Total: 17m 44s | Avg:  8m 52s | Max:  9m 22s | Hits:  97%/2448  
  🟩 GCC12              Pass: 100%/2   | Total: 16m 48s | Avg:  8m 24s | Max:  9m 42s | Hits:  98%/2448  
  🟩 GCC13              Pass: 100%/11  | Total:  3h 01m | Avg: 16m 29s | Max: 25m 48s | Hits:  98%/13464 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 50m 42s | Avg: 25m 21s | Max: 25m 36s | Hits:  98%/2090  
  🟩 MSVC14.42          Pass: 100%/2   | Total: 51m 01s | Avg: 25m 30s | Max: 25m 45s | Hits:  98%/2090  
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total:  2h 57m | Avg: 10m 27s | Max: 26m 28s | Hits:  98%/20478 
  🟩 GCC                Pass: 100%/22  | Total:  4h 41m | Avg: 12m 49s | Max: 25m 48s | Hits:  98%/26942 
  🟩 MSVC               Pass: 100%/4   | Total:  1h 41m | Avg: 25m 25s | Max: 25m 45s | Hits:  98%/4180  
  🟩 NVHPC              Pass: 100%/2   | Total: 33m 57s | Avg: 16m 58s | Max: 18m 13s | Hits:  98%/2254  
🟩 gpu
  🟩 h100               Pass: 100%/3   | Total: 54m 24s | Avg: 18m 08s | Max: 24m 22s | Hits:  98%/3672  
  🟩 rtx2080            Pass: 100%/34  | Total:  6h 23m | Avg: 11m 16s | Max: 25m 45s | Hits:  97%/40390 
  🟩 rtxa6000           Pass: 100%/8   | Total:  2h 37m | Avg: 19m 44s | Max: 26m 28s | Hits:  99%/9792  
🟩 jobs
  🟩 Build              Pass: 100%/37  | Total:  6h 48m | Avg: 11m 01s | Max: 25m 45s | Hits:  98%/44062 
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 25m 03s | Avg: 25m 03s | Max: 25m 03s | Hits:  99%/1224  
  🟩 GraphCapture       Pass: 100%/1   | Total: 17m 47s | Avg: 17m 47s | Max: 17m 47s | Hits:  99%/1224  
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 16m | Avg: 25m 32s | Max: 26m 28s | Hits:  99%/3672  
  🟩 TestGPU            Pass: 100%/3   | Total:  1h 07m | Avg: 22m 39s | Max: 22m 56s | Hits:  99%/3672  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total: 54m 24s | Avg: 18m 08s | Max: 24m 22s | Hits:  98%/3672  
  🟩 90;90a;100         Pass: 100%/1   | Total:  9m 51s | Avg:  9m 51s | Max:  9m 51s | Hits:  98%/1224  
🟩 std
  🟩 17                 Pass: 100%/20  | Total:  3h 52m | Avg: 11m 38s | Max: 25m 36s | Hits:  98%/23693 
  🟩 20                 Pass: 100%/25  | Total:  6h 02m | Avg: 14m 30s | Max: 26m 28s | Hits:  98%/30161

🟩 thrust: Pass: 100%/45 | Total: 8h 19m | Avg: 11m 06s | Max: 29m 22s | Hits: 99%/80271

🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 21m 35s | Avg: 10m 47s | Max: 12m 03s | Hits:  99%/3570  
🟩 cpu
  🟩 amd64              Pass: 100%/43  | Total:  8h 08m | Avg: 11m 21s | Max: 29m 22s | Hits:  99%/76702 
  🟩 arm64              Pass: 100%/2   | Total: 11m 18s | Avg:  5m 39s | Max:  5m 42s | Hits:  99%/3569  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total: 56m 54s | Avg: 11m 22s | Max: 24m 53s | Hits:  99%/8916  
  🟩 12.6               Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
  🟩 12.8               Pass: 100%/38  | Total:  6h 43m | Avg: 10m 37s | Max: 29m 22s | Hits:  99%/67787 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 17m 45s | Avg:  8m 52s | Max: 10m 31s | Hits: 100%/3568  
  🟩 nvcc12.0           Pass: 100%/5   | Total: 56m 54s | Avg: 11m 22s | Max: 24m 53s | Hits:  99%/8916  
  🟩 nvcc12.6           Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
  🟩 nvcc12.8           Pass: 100%/36  | Total:  6h 26m | Avg: 10m 43s | Max: 29m 22s | Hits:  99%/64219 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 17m 45s | Avg:  8m 52s | Max: 10m 31s | Hits: 100%/3568  
  🟩 nvcc               Pass: 100%/43  | Total:  8h 02m | Avg: 11m 12s | Max: 29m 22s | Hits:  99%/76703 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total: 31m 10s | Avg:  7m 47s | Max:  9m 53s | Hits: 100%/7136  
  🟩 Clang15            Pass: 100%/2   | Total: 18m 02s | Avg:  9m 01s | Max:  9m 24s | Hits: 100%/3568  
  🟩 Clang16            Pass: 100%/2   | Total: 16m 37s | Avg:  8m 18s | Max:  8m 20s | Hits: 100%/3568  
  🟩 Clang17            Pass: 100%/2   | Total: 16m 03s | Avg:  8m 01s | Max:  8m 29s | Hits: 100%/3568  
  🟩 Clang18            Pass: 100%/7   | Total: 55m 13s | Avg:  7m 53s | Max: 10m 31s | Hits: 100%/12488 
  🟩 GCC7               Pass: 100%/2   | Total: 16m 53s | Avg:  8m 26s | Max:  9m 48s | Hits:  99%/3570  
  🟩 GCC8               Pass: 100%/1   | Total:  9m 52s | Avg:  9m 52s | Max:  9m 52s | Hits:  99%/1785  
  🟩 GCC9               Pass: 100%/2   | Total: 17m 54s | Avg:  8m 57s | Max:  9m 24s | Hits:  99%/3570  
  🟩 GCC10              Pass: 100%/2   | Total: 17m 10s | Avg:  8m 35s | Max:  8m 40s | Hits:  99%/3570  
  🟩 GCC11              Pass: 100%/2   | Total: 16m 44s | Avg:  8m 22s | Max:  8m 37s | Hits:  99%/3570  
  🟩 GCC12              Pass: 100%/2   | Total: 18m 25s | Avg:  9m 12s | Max:  9m 59s | Hits:  99%/3570  
  🟩 GCC13              Pass: 100%/10  | Total:  1h 33m | Avg:  9m 23s | Max: 12m 41s | Hits:  99%/17850 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 50m 12s | Avg: 25m 06s | Max: 25m 19s | Hits:  99%/3556  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  1h 22m | Avg: 27m 30s | Max: 29m 22s | Hits:  99%/5334  
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total:  2h 17m | Avg:  8m 03s | Max: 10m 31s | Hits: 100%/30328 
  🟩 GCC                Pass: 100%/21  | Total:  3h 10m | Avg:  9m 05s | Max: 12m 41s | Hits:  99%/37485 
  🟩 MSVC               Pass: 100%/5   | Total:  2h 12m | Avg: 26m 32s | Max: 29m 22s | Hits:  99%/8890  
  🟩 NVHPC              Pass: 100%/2   | Total: 39m 08s | Avg: 19m 34s | Max: 20m 10s | Hits:  99%/3568  
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 19m 19s | Avg:  9m 39s | Max: 12m 41s | Hits:  99%/3570  
  🟩 rtx2080            Pass: 100%/33  | Total:  5h 48m | Avg: 10m 33s | Max: 26m 45s | Hits:  99%/58868 
  🟩 rtx4090            Pass: 100%/10  | Total:  2h 12m | Avg: 13m 13s | Max: 29m 22s | Hits:  99%/17833 
🟩 jobs
  🟩 Build              Pass: 100%/38  | Total:  6h 47m | Avg: 10m 43s | Max: 26m 45s | Hits:  99%/67785 
  🟩 TestCPU            Pass: 100%/3   | Total: 45m 24s | Avg: 15m 08s | Max: 29m 22s | Hits:  99%/5347  
  🟩 TestGPU            Pass: 100%/4   | Total: 46m 56s | Avg: 11m 44s | Max: 12m 41s | Hits:  99%/7139  
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 19m 19s | Avg:  9m 39s | Max: 12m 41s | Hits:  99%/3570  
  🟩 90;90a;100         Pass: 100%/1   | Total:  9m 15s | Avg:  9m 15s | Max:  9m 15s | Hits:  99%/1785  
🟩 std
  🟩 17                 Pass: 100%/20  | Total:  3h 56m | Avg: 11m 50s | Max: 26m 45s | Hits:  99%/35671 
  🟩 20                 Pass: 100%/23  | Total:  4h 01m | Avg: 10m 30s | Max: 29m 22s | Hits:  99%/41030

🟩 libcudacxx: Pass: 100%/43 | Total: 14h 08m | Avg: 19m 44s | Max: 44m 02s | Hits: 50%/106391

🟩 cpu
  🟩 amd64              Pass: 100%/41  | Total: 13h 20m | Avg: 19m 31s | Max: 44m 02s | Hits:  51%/100572
  🟩 arm64              Pass: 100%/2   | Total: 47m 56s | Avg: 23m 58s | Max: 24m 34s | Hits:  26%/5819  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total:  1h 16m | Avg: 15m 20s | Max: 26m 42s | Hits:  67%/14174 
  🟩 12.6               Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
  🟩 12.8               Pass: 100%/36  | Total: 11h 28m | Avg: 19m 07s | Max: 30m 04s | Hits:  48%/86451 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 51m 15s | Avg: 25m 37s | Max: 26m 31s | Hits:  27%/5780  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  1h 16m | Avg: 15m 20s | Max: 26m 42s | Hits:  67%/14174 
  🟩 nvcc12.6           Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
  🟩 nvcc12.8           Pass: 100%/34  | Total: 10h 37m | Avg: 18m 45s | Max: 30m 04s | Hits:  50%/80671 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 51m 15s | Avg: 25m 37s | Max: 26m 31s | Hits:  27%/5780  
  🟩 nvcc               Pass: 100%/41  | Total: 13h 17m | Avg: 19m 27s | Max: 44m 02s | Hits:  51%/100611
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total:  1h 25m | Avg: 21m 22s | Max: 27m 21s | Hits:  49%/11528 
  🟩 Clang15            Pass: 100%/2   | Total: 56m 12s | Avg: 28m 06s | Max: 29m 11s | Hits:  32%/5776  
  🟩 Clang16            Pass: 100%/2   | Total: 37m 42s | Avg: 18m 51s | Max: 29m 42s | Hits:  63%/5776  
  🟩 Clang17            Pass: 100%/2   | Total: 31m 48s | Avg: 15m 54s | Max: 24m 44s | Hits:  66%/5776  
  🟩 Clang18            Pass: 100%/6   | Total:  2h 02m | Avg: 20m 29s | Max: 30m 04s | Hits:  44%/14465 
  🟩 GCC7               Pass: 100%/2   | Total: 15m 48s | Avg:  7m 54s | Max:  8m 04s | Hits:  85%/5714  
  🟩 GCC8               Pass: 100%/1   | Total:  7m 06s | Avg:  7m 06s | Max:  7m 06s | Hits:  85%/2867  
  🟩 GCC9               Pass: 100%/2   | Total: 15m 36s | Avg:  7m 48s | Max: 10m 18s | Hits:  85%/5726  
  🟩 GCC10              Pass: 100%/2   | Total: 52m 31s | Avg: 26m 15s | Max: 27m 29s | Hits:  19%/5782  
  🟩 GCC11              Pass: 100%/2   | Total: 56m 18s | Avg: 28m 09s | Max: 28m 38s | Hits:  18%/5778  
  🟩 GCC12              Pass: 100%/2   | Total: 36m 35s | Avg: 18m 17s | Max: 29m 29s | Hits:  52%/5778  
  🟩 GCC13              Pass: 100%/10  | Total:  2h 15m | Avg: 13m 33s | Max: 25m 14s | Hits:  59%/14726 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 56m 28s | Avg: 28m 14s | Max: 29m 46s | Hits:  26%/5432  
  🟩 MSVC14.42          Pass: 100%/2   | Total: 55m 21s | Avg: 27m 40s | Max: 29m 15s | Hits:  52%/5501  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
🟩 cxx_family
  🟩 Clang              Pass: 100%/16  | Total:  5h 34m | Avg: 20m 53s | Max: 30m 04s | Hits:  49%/43321 
  🟩 GCC                Pass: 100%/21  | Total:  5h 19m | Avg: 15m 12s | Max: 29m 29s | Hits:  56%/46371 
  🟩 MSVC               Pass: 100%/4   | Total:  1h 51m | Avg: 27m 57s | Max: 29m 46s | Hits:  39%/10933 
  🟩 NVHPC              Pass: 100%/2   | Total:  1h 23m | Avg: 41m 40s | Max: 44m 02s | Hits:  31%/5766  
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 19m 01s | Avg:  9m 30s | Max: 12m 19s | Hits:  85%/2999  
  🟩 rtx2080            Pass: 100%/41  | Total: 13h 49m | Avg: 20m 14s | Max: 44m 02s | Hits:  49%/103392
🟩 jobs
  🟩 Build              Pass: 100%/37  | Total: 12h 54m | Avg: 20m 55s | Max: 44m 02s | Hits:  50%/106351
  🟩 NVRTC              Pass: 100%/2   | Total: 36m 56s | Avg: 18m 28s | Max: 19m 34s | Hits:  90%/40    
  🟩 Test               Pass: 100%/3   | Total: 32m 29s | Avg: 10m 49s | Max: 12m 19s
  🟩 VerifyCodegen      Pass: 100%/1   | Total:  5m 04s | Avg:  5m 04s | Max:  5m 04s
🟩 sm
  🟩 75                 Pass: 100%/2   | Total: 36m 56s | Avg: 18m 28s | Max: 19m 34s | Hits:  90%/40    
  🟩 90                 Pass: 100%/2   | Total: 19m 01s | Avg:  9m 30s | Max: 12m 19s | Hits:  85%/2999  
  🟩 90;90a;100         Pass: 100%/1   | Total:  7m 50s | Avg:  7m 50s | Max:  7m 50s | Hits:  82%/2999  
🟩 std
  🟩 17                 Pass: 100%/21  | Total:  6h 45m | Avg: 19m 18s | Max: 39m 18s | Hits:  55%/56876 
  🟩 20                 Pass: 100%/21  | Total:  7h 18m | Avg: 20m 51s | Max: 44m 02s | Hits:  45%/49515

🟩 cudax: Pass: 100%/22 | Total: 2h 59m | Avg: 8m 08s | Max: 16m 09s | Hits: 99%/11830

🟩 cpu
  🟩 amd64              Pass: 100%/18  | Total:  2h 43m | Avg:  9m 05s | Max: 16m 09s | Hits:  99%/9494  
  🟩 arm64              Pass: 100%/4   | Total: 15m 31s | Avg:  3m 52s | Max:  4m 42s | Hits:  99%/2336  
🟩 ctk
  🟩 12.0               Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 12.6               Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
  🟩 12.8               Pass: 100%/19  | Total:  2h 20m | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/10797 
🟩 cudacxx
  🟩 nvcc12.0           Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 nvcc12.6           Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
  🟩 nvcc12.8           Pass: 100%/19  | Total:  2h 20m | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/10797 
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/22  | Total:  2h 59m | Avg:  8m 08s | Max: 16m 09s | Hits:  99%/11830 
🟩 cxx
  🟩 Clang14            Pass: 100%/1   | Total:  6m 18s | Avg:  6m 18s | Max:  6m 18s | Hits: 100%/586   
  🟩 Clang15            Pass: 100%/1   | Total:  5m 58s | Avg:  5m 58s | Max:  5m 58s | Hits: 100%/584   
  🟩 Clang16            Pass: 100%/1   | Total:  6m 49s | Avg:  6m 49s | Max:  6m 49s | Hits: 100%/584   
  🟩 Clang17            Pass: 100%/1   | Total:  8m 04s | Avg:  8m 04s | Max:  8m 04s | Hits: 100%/584   
  🟩 Clang18            Pass: 100%/4   | Total: 31m 47s | Avg:  7m 56s | Max: 16m 09s | Hits:  99%/2336  
  🟩 GCC10              Pass: 100%/1   | Total:  5m 26s | Avg:  5m 26s | Max:  5m 26s | Hits:  99%/586   
  🟩 GCC11              Pass: 100%/1   | Total:  5m 24s | Avg:  5m 24s | Max:  5m 24s | Hits:  99%/584   
  🟩 GCC12              Pass: 100%/2   | Total: 19m 56s | Avg:  9m 58s | Max: 13m 49s | Hits:  99%/1168  
  🟩 GCC13              Pass: 100%/6   | Total: 37m 19s | Avg:  6m 13s | Max: 11m 33s | Hits:  99%/3504  
  🟩 MSVC14.39          Pass: 100%/1   | Total: 13m 49s | Avg: 13m 49s | Max: 13m 49s | Hits:  95%/281   
  🟩 MSVC14.42          Pass: 100%/1   | Total: 13m 12s | Avg: 13m 12s | Max: 13m 12s | Hits:  95%/281   
  🟩 NVHPC25.1          Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
🟩 cxx_family
  🟩 Clang              Pass: 100%/8   | Total: 58m 56s | Avg:  7m 22s | Max: 16m 09s | Hits:  99%/4674  
  🟩 GCC                Pass: 100%/10  | Total:  1h 08m | Avg:  6m 48s | Max: 13m 49s | Hits:  99%/5842  
  🟩 MSVC               Pass: 100%/2   | Total: 27m 01s | Avg: 13m 30s | Max: 13m 49s | Hits:  95%/562   
  🟩 NVHPC              Pass: 100%/2   | Total: 25m 04s | Avg: 12m 32s | Max: 12m 50s | Hits:  96%/752   
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 18m 17s | Avg:  9m 08s | Max: 11m 33s | Hits:  99%/1168  
  🟩 rtx2080            Pass: 100%/20  | Total:  2h 40m | Avg:  8m 02s | Max: 16m 09s | Hits:  99%/10662 
🟩 jobs
  🟩 Build              Pass: 100%/19  | Total:  2h 17m | Avg:  7m 14s | Max: 13m 49s | Hits:  99%/10078 
  🟩 Test               Pass: 100%/3   | Total: 41m 31s | Avg: 13m 50s | Max: 16m 09s | Hits:  99%/1752  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total: 24m 35s | Avg:  8m 11s | Max: 11m 33s | Hits:  99%/1752  
  🟩 90a                Pass: 100%/1   | Total:  5m 28s | Avg:  5m 28s | Max:  5m 28s | Hits:  99%/584   
🟩 std
  🟩 17                 Pass: 100%/4   | Total: 27m 16s | Avg:  6m 49s | Max: 12m 50s | Hits:  99%/2128  
  🟩 20                 Pass: 100%/18  | Total:  2h 31m | Avg:  8m 26s | Max: 16m 09s | Hits:  99%/9702

🟩 stdpar: Pass: 100%/4 | Total: 37m 24s | Avg: 9m 21s | Max: 9m 59s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 17m 32s | Avg:  8m 46s | Max:  8m 46s
  🟩 arm64              Pass: 100%/2   | Total: 19m 52s | Avg:  9m 56s | Max:  9m 59s
🟩 ctk
  🟩 12.6               Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cxx
  🟩 NVHPC25.1          Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 cxx_family
  🟩 NVHPC              Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 jobs
  🟩 Build              Pass: 100%/4   | Total: 37m 24s | Avg:  9m 21s | Max:  9m 59s
🟩 std
  🟩 17                 Pass: 100%/2   | Total: 18m 39s | Avg:  9m 19s | Max:  9m 53s
  🟩 20                 Pass: 100%/2   | Total: 18m 45s | Avg:  9m 22s | Max:  9m 59s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 06s | Avg: 9m 33s | Max: 14m 56s | Hits: 98%/320

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 19m 06s | Avg:  9m 33s | Max: 14m 56s | Hits:  98%/320   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  4m 10s | Avg:  4m 10s | Max:  4m 10s | Hits:  98%/160   
  🟩 Test               Pass: 100%/1   | Total: 14m 56s | Avg: 14m 56s | Max: 14m 56s | Hits:  98%/160

🟩 python: Pass: 100%/1 | Total: 1h 14m | Avg: 1h 14m | Max: 1h 14m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 14m | Avg:  1h 14m | Max:  1h 14m

👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 162)

#	Runner
113	`linux-amd64-cpu16`
15	`windows-amd64-cpu16`
12	`linux-arm64-cpu16`
8	`linux-amd64-gpu-rtx2080-latest-1`
6	`linux-amd64-gpu-rtxa6000-latest-1`
5	`linux-amd64-gpu-h100-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`

Fix uninitialized read in local atomics test when compiled for SM lig…

4c15f72

…ht architectures (#4440)

wmaxey requested a review from a team as a code owner May 29, 2025 18:08

wmaxey requested a review from griwes May 29, 2025 18:08

github-project-automation Bot added this to CCCL May 29, 2025

github-project-automation Bot moved this to Todo in CCCL May 29, 2025

cccl-authenticator-app Bot moved this from Todo to In Review in CCCL May 29, 2025

miscco approved these changes May 29, 2025

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wmaxey changed the title ~~Fix uninitialized read in local atomics test when compiled for SM light architectures (#4440)~~ [backport 3.0.x] Fix uninitialized read in local atomics test when compiled for SM light architectures (#4440) May 29, 2025

wmaxey merged commit 16cf0a2 into branch/3.0.x May 30, 2025
350 of 356 checks passed

github-project-automation Bot moved this from In Review to Done in CCCL May 30, 2025

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github-actions Bot commented May 29, 2025

🟨 thrust: Pass: 95%/45 | Total: 8h 07m | Avg: 10m 49s | Max: 29m 22s | Hits: 99%/76702

🟨 cub: Pass: 97%/45 | Total: 9h 48m | Avg: 13m 05s | Max: 26m 28s | Hits: 98%/52630

🟨 libcudacxx: Pass: 97%/43 | Total: 14h 01m | Avg: 19m 33s | Max: 44m 02s | Hits: 49%/103524

🟩 cudax: Pass: 100%/22 | Total: 2h 59m | Avg: 8m 08s | Max: 16m 09s | Hits: 99%/11830

🟩 stdpar: Pass: 100%/4 | Total: 37m 24s | Avg: 9m 21s | Max: 9m 59s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 06s | Avg: 9m 33s | Max: 14m 56s | Hits: 98%/320

🟩 python: Pass: 100%/1 | Total: 1h 14m | Avg: 1h 14m | Max: 1h 14m

👃 Inspect Changes

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🏃‍ Runner counts (total jobs: 162)

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github-actions Bot commented May 30, 2025

🟩 cub: Pass: 100%/45 | Total: 9h 55m | Avg: 13m 13s | Max: 26m 28s | Hits: 98%/53854

🟩 thrust: Pass: 100%/45 | Total: 8h 19m | Avg: 11m 06s | Max: 29m 22s | Hits: 99%/80271

🟩 libcudacxx: Pass: 100%/43 | Total: 14h 08m | Avg: 19m 44s | Max: 44m 02s | Hits: 50%/106391

🟩 cudax: Pass: 100%/22 | Total: 2h 59m | Avg: 8m 08s | Max: 16m 09s | Hits: 99%/11830

🟩 stdpar: Pass: 100%/4 | Total: 37m 24s | Avg: 9m 21s | Max: 9m 59s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 06s | Avg: 9m 33s | Max: 14m 56s | Hits: 98%/320

🟩 python: Pass: 100%/1 | Total: 1h 14m | Avg: 1h 14m | Max: 1h 14m

👃 Inspect Changes

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Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 162)

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wmaxey commented May 29, 2025 •

edited

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