Fix `cuda::std::assume_aligned` assertion #4023

fbusato · 2025-03-05T18:58:12Z

Description

static_assert needs to check the alignment not the size of the input type

libcudacxx/include/cuda/std/__memory/assume_aligned.h

Co-authored-by: Bernhard Manfred Gruber <bernhardmgruber@gmail.com>

github-actions · 2025-03-05T21:45:21Z

🟩 CI finished in 1h 42m: Pass: 100%/158 | Total: 3d 14h | Avg: 32m 44s | Max: 1h 21m | Hits: 55%/250300

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  🟩 GCC                Pass: 100%/10  | Total:  2h 25m | Avg: 14m 34s | Max: 18m 36s | Hits:  52%/5792  
  🟩 MSVC               Pass: 100%/2   | Total: 28m 17s | Avg: 14m 08s | Max: 15m 42s | Hits:  56%/554   
  🟩 NVHPC              Pass: 100%/2   | Total: 18m 47s | Avg:  9m 23s | Max:  9m 36s | Hits:  58%/742   
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 26m 13s | Avg: 13m 06s | Max: 14m 19s | Hits:  70%/1158  
  🟩 rtx2080            Pass: 100%/20  | Total:  4h 50m | Avg: 14m 30s | Max: 18m 36s | Hits:  49%/10564 
🟩 jobs
  🟩 Build              Pass: 100%/19  | Total:  4h 37m | Avg: 14m 34s | Max: 18m 36s | Hits:  42%/9985  
  🟩 Test               Pass: 100%/3   | Total: 39m 14s | Avg: 13m 04s | Max: 14m 19s | Hits:  99%/1737  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total: 37m 01s | Avg: 12m 20s | Max: 14m 19s | Hits:  60%/1737  
  🟩 90a                Pass: 100%/1   | Total: 12m 24s | Avg: 12m 24s | Max: 12m 24s | Hits:  40%/579   
🟩 std
  🟩 17                 Pass: 100%/4   | Total: 47m 14s | Avg: 11m 48s | Max: 14m 08s | Hits:  43%/2108  
  🟩 20                 Pass: 100%/18  | Total:  4h 29m | Avg: 14m 56s | Max: 18m 36s | Hits:  53%/9614

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 15m 24s | Avg: 7m 42s | Max: 12m 57s | Hits: 97%/308

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 15m 24s | Avg:  7m 42s | Max: 12m 57s | Hits:  97%/308   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 27s | Avg:  2m 27s | Max:  2m 27s | Hits:  95%/154   
  🟩 Test               Pass: 100%/1   | Total: 12m 57s | Avg: 12m 57s | Max: 12m 57s | Hits:  98%/154

🟩 python: Pass: 100%/1 | Total: 1h 01m | Avg: 1h 01m | Max: 1h 01m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 01m | Avg:  1h 01m | Max:  1h 01m

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	CCCL Infrastructure
+/-	libcu++
+/-	CUB
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🏃‍ Runner counts (total jobs: 158)

#	Runner
111	`linux-amd64-cpu16`
15	`windows-amd64-cpu16`
10	`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`

replace sizeof with alignof

1059e01

fbusato added the 3.0 Targeted for 3.0 release label Mar 5, 2025

fbusato requested a review from miscco March 5, 2025 18:58

fbusato self-assigned this Mar 5, 2025

fbusato requested a review from a team as a code owner March 5, 2025 18:58

miscco approved these changes Mar 5, 2025

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bernhardmgruber approved these changes Mar 5, 2025

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bernhardmgruber reviewed Mar 5, 2025

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libcudacxx/include/cuda/std/__memory/assume_aligned.h Outdated Show resolved Hide resolved

Update libcudacxx/include/cuda/std/__memory/assume_aligned.h

a4faccd

Co-authored-by: Bernhard Manfred Gruber <bernhardmgruber@gmail.com>

fbusato enabled auto-merge (squash) March 5, 2025 19:56

fbusato merged commit 9908bf5 into NVIDIA:main Mar 5, 2025
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Fix `cuda::std::assume_aligned` assertion #4023

Fix `cuda::std::assume_aligned` assertion #4023

fbusato commented Mar 5, 2025

github-actions bot commented Mar 5, 2025

🟩 cub: Pass: 100%/45 | Total: 1d 18h | Avg: 57m 13s | Max: 1h 21m | Hits: 34%/53614

🟩 thrust: Pass: 100%/45 | Total: 22h 27m | Avg: 29m 57s | Max: 1h 05m | Hits: 75%/79956

🟩 libcudacxx: Pass: 100%/43 | Total: 14h 16m | Avg: 19m 55s | Max: 34m 19s | Hits: 50%/104700

🟩 cudax: Pass: 100%/22 | Total: 5h 16m | Avg: 14m 22s | Max: 18m 36s | Hits: 51%/11722

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 15m 24s | Avg: 7m 42s | Max: 12m 57s | Hits: 97%/308

🟩 python: Pass: 100%/1 | Total: 1h 01m | Avg: 1h 01m | Max: 1h 01m

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🏃‍ Runner counts (total jobs: 158)

Fix cuda::std::assume_aligned assertion #4023

Fix cuda::std::assume_aligned assertion #4023

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fbusato commented Mar 5, 2025

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github-actions bot commented Mar 5, 2025

🟩 cub: Pass: 100%/45 | Total: 1d 18h | Avg: 57m 13s | Max: 1h 21m | Hits: 34%/53614

🟩 thrust: Pass: 100%/45 | Total: 22h 27m | Avg: 29m 57s | Max: 1h 05m | Hits: 75%/79956

🟩 libcudacxx: Pass: 100%/43 | Total: 14h 16m | Avg: 19m 55s | Max: 34m 19s | Hits: 50%/104700

🟩 cudax: Pass: 100%/22 | Total: 5h 16m | Avg: 14m 22s | Max: 18m 36s | Hits: 51%/11722

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 15m 24s | Avg: 7m 42s | Max: 12m 57s | Hits: 97%/308

🟩 python: Pass: 100%/1 | Total: 1h 01m | Avg: 1h 01m | Max: 1h 01m

👃 Inspect Changes

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🏃‍ Runner counts (total jobs: 158)

Fix `cuda::std::assume_aligned` assertion #4023

Fix `cuda::std::assume_aligned` assertion #4023