Simplify Thrust assign_value #4227

bernhardmgruber · 2025-03-21T06:25:42Z

This avoids instantiating thrust::copy and thrust::transform when assigning a single element between thrust references.

miscco

:sad approve:

github-actions · 2025-03-21T10:02:48Z

🟨 CI finished in 1h 40m: Pass: 95%/97 | Total: 2d 20h | Avg: 42m 40s | Max: 1h 27m | Hits: 63%/128351

🟨 cub: Pass: 95%/45 | Total: 1d 19h | Avg: 57m 48s | Max: 1h 27m | Hits: 51%/51672

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  95%/43  | Total:  1d 17h | Avg: 57m 29s | Max:  1h 27m | Hits:  51%/49228 
  🟩 arm64              Pass: 100%/2   | Total:  2h 08m | Avg:  1h 04m | Max:  1h 08m | Hits:  46%/2444  
🔍 ctk: 12.8 🔍
  🟩 12.0               Pass: 100%/5   | Total:  5h 46m | Avg:  1h 09m | Max:  1h 17m | Hits:  42%/5940  
  🟩 12.6               Pass: 100%/2   | Total:  2h 34m | Avg:  1h 17m | Max:  1h 18m | Hits:  10%/2260  
  🔍 12.8               Pass:  94%/38  | Total:  1d 10h | Avg: 55m 14s | Max:  1h 27m | Hits:  54%/43472 
🚨 cudacxx: ClangCUDA18 🚨
  🔥 ClangCUDA18        Pass:   0%/2   | Total: 19m 13s | Avg:  9m 36s | Max:  9m 41s
  🟩 nvcc12.0           Pass: 100%/5   | Total:  5h 46m | Avg:  1h 09m | Max:  1h 17m | Hits:  42%/5940  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  2h 34m | Avg:  1h 17m | Max:  1h 18m | Hits:  10%/2260  
  🟩 nvcc12.8           Pass: 100%/36  | Total:  1d 10h | Avg: 57m 46s | Max:  1h 27m | Hits:  54%/43472 
🚨 cudacxx_family: ClangCUDA 🚨
  🔥 ClangCUDA          Pass:   0%/2   | Total: 19m 13s | Avg:  9m 36s | Max:  9m 41s
  🟩 nvcc               Pass: 100%/43  | Total:  1d 19h | Avg:  1h 00m | Max:  1h 27m | Hits:  51%/51672 
🔍 cxx: Clang18 🔍
  🟩 Clang14            Pass: 100%/4   | Total:  4h 14m | Avg:  1h 03m | Max:  1h 06m | Hits:  69%/4896  
  🟩 Clang15            Pass: 100%/2   | Total:  2h 06m | Avg:  1h 03m | Max:  1h 05m | Hits:  69%/2444  
  🟩 Clang16            Pass: 100%/2   | Total:  2h 09m | Avg:  1h 04m | Max:  1h 07m | Hits:  69%/2444  
  🟩 Clang17            Pass: 100%/2   | Total:  2h 04m | Avg:  1h 02m | Max:  1h 02m | Hits:  69%/2444  
  🔍 Clang18            Pass:  71%/7   | Total:  4h 21m | Avg: 37m 17s | Max:  1h 04m | Hits:  81%/6110  
  🟩 GCC7               Pass: 100%/2   | Total:  2h 24m | Avg:  1h 12m | Max:  1h 17m | Hits:  27%/2448  
  🟩 GCC8               Pass: 100%/1   | Total:  1h 04m | Avg:  1h 04m | Max:  1h 04m | Hits:  23%/1224  
  🟩 GCC9               Pass: 100%/2   | Total:  2h 15m | Avg:  1h 07m | Max:  1h 07m | Hits:  24%/2448  
  🟩 GCC10              Pass: 100%/2   | Total:  2h 14m | Avg:  1h 07m | Max:  1h 08m | Hits:  23%/2448  
  🟩 GCC11              Pass: 100%/2   | Total:  2h 15m | Avg:  1h 07m | Max:  1h 08m | Hits:  24%/2444  
  🟩 GCC12              Pass: 100%/2   | Total:  2h 13m | Avg:  1h 06m | Max:  1h 08m | Hits:  24%/2444  
  🟩 GCC13              Pass: 100%/11  | Total:  7h 59m | Avg: 43m 35s | Max:  1h 15m | Hits:  66%/13442 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 41m | Avg:  1h 20m | Max:  1h 27m | Hits:  18%/2088  
  🟩 MSVC14.42          Pass: 100%/2   | Total:  2h 41m | Avg:  1h 20m | Max:  1h 23m | Hits:  13%/2088  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  2h 34m | Avg:  1h 17m | Max:  1h 18m | Hits:  10%/2260  
🔍 cxx_family: Clang 🔍
  🔍 Clang              Pass:  88%/17  | Total: 14h 54m | Avg: 52m 38s | Max:  1h 07m | Hits:  73%/18338 
  🟩 GCC                Pass: 100%/22  | Total: 20h 27m | Avg: 55m 48s | Max:  1h 17m | Hits:  45%/26898 
  🟩 MSVC               Pass: 100%/4   | Total:  5h 23m | Avg:  1h 20m | Max:  1h 27m | Hits:  16%/4176  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 34m | Avg:  1h 17m | Max:  1h 18m | Hits:  10%/2260  
🔍 gpu: rtx2080 🔍
  🟩 h100               Pass: 100%/3   | Total:  1h 25m | Avg: 28m 35s | Max: 30m 23s | Hits:  78%/3666  
  🔍 rtx2080            Pass:  94%/34  | Total:  1d 12h | Avg:  1h 05m | Max:  1h 27m | Hits:  40%/38230 
  🟩 rtxa6000           Pass: 100%/8   | Total:  4h 58m | Avg: 37m 21s | Max:  1h 05m | Hits:  86%/9776  
🔍 jobs: Build 🔍
  🔍 Build              Pass:  94%/37  | Total:  1d 15h | Avg:  1h 04m | Max:  1h 27m | Hits:  40%/41896 
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 32m 16s | Avg: 32m 16s | Max: 32m 16s | Hits:  99%/1222  
  🟩 GraphCapture       Pass: 100%/1   | Total: 24m 18s | Avg: 24m 18s | Max: 24m 18s | Hits:  99%/1222  
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 30m | Avg: 30m 15s | Max: 32m 34s | Hits:  99%/3666  
  🟩 TestGPU            Pass: 100%/3   | Total:  1h 17m | Avg: 25m 54s | Max: 26m 28s | Hits:  99%/3666  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total:  1h 25m | Avg: 28m 35s | Max: 30m 23s | Hits:  78%/3666  
  🟩 90;90a;100         Pass: 100%/1   | Total:  1h 15m | Avg:  1h 15m | Max:  1h 15m | Hits:  23%/1222  
🟨 std
  🟨 17                 Pass:  95%/20  | Total: 22h 15m | Avg:  1h 06m | Max:  1h 27m | Hits:  37%/22608 
  🟨 20                 Pass:  96%/25  | Total: 21h 05m | Avg: 50m 37s | Max:  1h 23m | Hits:  62%/29064

🟨 thrust: Pass: 95%/45 | Total: 23h 44m | Avg: 31m 39s | Max: 1h 09m | Hits: 71%/76359

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  95%/43  | Total: 22h 49m | Avg: 31m 50s | Max:  1h 09m | Hits:  70%/72806 
  🟩 arm64              Pass: 100%/2   | Total: 55m 14s | Avg: 27m 37s | Max: 29m 24s | Hits:  77%/3553  
🔍 ctk: 12.8 🔍
  🟩 12.0               Pass: 100%/5   | Total:  3h 12m | Avg: 38m 26s | Max:  1h 08m | Hits:  69%/8876  
  🟩 12.6               Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 09m | Hits:   3%/3552  
  🔍 12.8               Pass:  94%/38  | Total: 18h 15m | Avg: 28m 49s | Max:  1h 08m | Hits:  75%/63931 
🚨 cudacxx: ClangCUDA18 🚨
  🔥 ClangCUDA18        Pass:   0%/2   | Total: 15m 29s | Avg:  7m 44s | Max:  8m 04s
  🟩 nvcc12.0           Pass: 100%/5   | Total:  3h 12m | Avg: 38m 26s | Max:  1h 08m | Hits:  69%/8876  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 09m | Hits:   3%/3552  
  🟩 nvcc12.8           Pass: 100%/36  | Total: 17h 59m | Avg: 29m 59s | Max:  1h 08m | Hits:  75%/63931 
🚨 cudacxx_family: ClangCUDA 🚨
  🔥 ClangCUDA          Pass:   0%/2   | Total: 15m 29s | Avg:  7m 44s | Max:  8m 04s
  🟩 nvcc               Pass: 100%/43  | Total: 23h 28m | Avg: 32m 45s | Max:  1h 09m | Hits:  71%/76359 
🔍 cxx: Clang18 🔍
  🟩 Clang14            Pass: 100%/4   | Total:  1h 59m | Avg: 29m 45s | Max: 30m 30s | Hits:  77%/7104  
  🟩 Clang15            Pass: 100%/2   | Total: 57m 14s | Avg: 28m 37s | Max: 29m 24s | Hits:  77%/3552  
  🟩 Clang16            Pass: 100%/2   | Total: 59m 31s | Avg: 29m 45s | Max: 31m 17s | Hits:  77%/3552  
  🟩 Clang17            Pass: 100%/2   | Total: 58m 50s | Avg: 29m 25s | Max: 29m 51s | Hits:  77%/3552  
  🔍 Clang18            Pass:  71%/7   | Total:  1h 59m | Avg: 17m 04s | Max: 31m 06s | Hits:  86%/8880  
  🟩 GCC7               Pass: 100%/2   | Total:  1h 05m | Avg: 32m 33s | Max: 34m 25s | Hits:  77%/3554  
  🟩 GCC8               Pass: 100%/1   | Total: 32m 37s | Avg: 32m 37s | Max: 32m 37s | Hits:  77%/1777  
  🟩 GCC9               Pass: 100%/2   | Total:  1h 03m | Avg: 31m 41s | Max: 32m 49s | Hits:  77%/3554  
  🟩 GCC10              Pass: 100%/2   | Total:  1h 02m | Avg: 31m 07s | Max: 32m 08s | Hits:  77%/3554  
  🟩 GCC11              Pass: 100%/2   | Total:  1h 07m | Avg: 33m 46s | Max: 35m 43s | Hits:  62%/3554  
  🟩 GCC12              Pass: 100%/2   | Total:  1h 03m | Avg: 31m 36s | Max: 33m 02s | Hits:  77%/3554  
  🟩 GCC13              Pass: 100%/10  | Total:  3h 40m | Avg: 22m 03s | Max: 33m 45s | Hits:  83%/17770 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 08m | Hits:  32%/3540  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  2h 42m | Avg: 54m 00s | Max:  1h 07m | Hits:  38%/5310  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 09m | Hits:   3%/3552  
🔍 cxx_family: Clang 🔍
  🔍 Clang              Pass:  88%/17  | Total:  6h 54m | Avg: 24m 21s | Max: 31m 17s | Hits:  80%/26640 
  🟩 GCC                Pass: 100%/21  | Total:  9h 34m | Avg: 27m 21s | Max: 35m 43s | Hits:  79%/37317 
  🟩 MSVC               Pass: 100%/5   | Total:  4h 58m | Avg: 59m 43s | Max:  1h 08m | Hits:  36%/8850  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 16m | Avg:  1h 08m | Max:  1h 09m | Hits:   3%/3552  
🔍 gpu: rtx2080 🔍
  🟩 h100               Pass: 100%/2   | Total: 31m 12s | Avg: 15m 36s | Max: 18m 21s | Hits:  88%/3554  
  🔍 rtx2080            Pass:  93%/33  | Total: 19h 14m | Avg: 34m 58s | Max:  1h 09m | Hits:  66%/55052 
  🟩 rtx4090            Pass: 100%/10  | Total:  3h 58m | Avg: 23m 53s | Max:  1h 07m | Hits:  80%/17753 
🔍 jobs: Build 🔍
  🔍 Build              Pass:  94%/38  | Total: 22h 07m | Avg: 34m 56s | Max:  1h 09m | Hits:  66%/63929 
  🟩 TestCPU            Pass: 100%/3   | Total: 42m 21s | Avg: 14m 07s | Max: 26m 25s | Hits:  99%/5323  
  🟩 TestGPU            Pass: 100%/4   | Total: 54m 13s | Avg: 13m 33s | Max: 18m 07s | Hits:  92%/7107  
🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 42m 51s | Avg: 21m 25s | Max: 24m 44s | Hits:  74%/3554  
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 31m 12s | Avg: 15m 36s | Max: 18m 21s | Hits:  88%/3554  
  🟩 90;90a;100         Pass: 100%/1   | Total: 32m 04s | Avg: 32m 04s | Max: 32m 04s | Hits:  77%/1777  
🟨 std
  🟨 17                 Pass:  95%/20  | Total: 12h 31m | Avg: 37m 35s | Max:  1h 09m | Hits:  65%/33735 
  🟨 20                 Pass:  95%/23  | Total: 10h 29m | Avg: 27m 22s | Max:  1h 07m | Hits:  75%/39070

🟩 stdpar: Pass: 100%/4 | Total: 16m 28s | Avg: 4m 07s | Max: 4m 48s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total:  9m 26s | Avg:  4m 43s | Max:  4m 48s
  🟩 arm64              Pass: 100%/2   | Total:  7m 02s | Avg:  3m 31s | Max:  3m 35s
🟩 ctk
  🟩 12.6               Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 cxx
  🟩 NVHPC25.1          Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 cxx_family
  🟩 NVHPC              Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 jobs
  🟩 Build              Pass: 100%/4   | Total: 16m 28s | Avg:  4m 07s | Max:  4m 48s
🟩 std
  🟩 17                 Pass: 100%/2   | Total:  8m 15s | Avg:  4m 07s | Max:  4m 48s
  🟩 20                 Pass: 100%/2   | Total:  8m 13s | Avg:  4m 06s | Max:  4m 38s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 24s | Avg: 9m 42s | Max: 17m 02s | Hits: 98%/320

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 19m 24s | Avg:  9m 42s | Max: 17m 02s | Hits:  98%/320   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 22s | Avg:  2m 22s | Max:  2m 22s | Hits:  98%/160   
  🟩 Test               Pass: 100%/1   | Total: 17m 02s | Avg: 17m 02s | Max: 17m 02s | Hits:  98%/160

🟩 python: Pass: 100%/1 | Total: 1h 17m | Avg: 1h 17m | Max: 1h 17m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 17m | Avg:  1h 17m | Max:  1h 17m

👃 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: 97)

#	Runner
68	`linux-amd64-cpu16`
9	`windows-amd64-cpu16`
6	`linux-arm64-cpu16`
6	`linux-amd64-gpu-rtxa6000-latest-1`
3	`linux-amd64-gpu-h100-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`
2	`linux-amd64-gpu-rtx2080-latest-1`

github-actions · 2025-03-21T12:07:18Z

🟨 CI finished in 1h 34m: Pass: 95%/97 | Total: 2d 19h | Avg: 41m 27s | Max: 1h 25m | Hits: 76%/126904

🟨 thrust: Pass: 91%/45 | Total: 22h 31m | Avg: 30m 02s | Max: 56m 19s | Hits: 77%/72804

🔍 cpu: amd64 🔍
  🔍 amd64              Pass:  90%/43  | Total: 21h 37m | Avg: 30m 10s | Max: 56m 19s | Hits:  77%/69251 
  🟩 arm64              Pass: 100%/2   | Total: 54m 05s | Avg: 27m 02s | Max: 28m 54s | Hits:  77%/3553  
🔍 ctk: 12.8 🔍
  🟩 12.0               Pass: 100%/5   | Total:  3h 01m | Avg: 36m 23s | Max: 56m 19s | Hits:  75%/8876  
  🟩 12.6               Pass: 100%/2   | Total:  1h 41m | Avg: 50m 54s | Max: 51m 48s | Hits:  66%/3552  
  🔍 12.8               Pass:  89%/38  | Total: 17h 48m | Avg: 28m 06s | Max: 53m 27s | Hits:  78%/60376 
🔍 cudacxx: nvcc12.8 🔍
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 48m 08s | Avg: 24m 04s | Max: 24m 22s | Hits:  77%/3552  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  3h 01m | Avg: 36m 23s | Max: 56m 19s | Hits:  75%/8876  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  1h 41m | Avg: 50m 54s | Max: 51m 48s | Hits:  66%/3552  
  🔍 nvcc12.8           Pass:  88%/36  | Total: 17h 00m | Avg: 28m 20s | Max: 53m 27s | Hits:  78%/56824 
🔍 cudacxx_family: nvcc 🔍
  🟩 ClangCUDA          Pass: 100%/2   | Total: 48m 08s | Avg: 24m 04s | Max: 24m 22s | Hits:  77%/3552  
  🔍 nvcc               Pass:  90%/43  | Total: 21h 43m | Avg: 30m 19s | Max: 56m 19s | Hits:  77%/69252 
🚨 jobs: TestGPU 🚨
  🟩 Build              Pass: 100%/38  | Total: 21h 01m | Avg: 33m 11s | Max: 56m 19s | Hits:  75%/67481 
  🟩 TestCPU            Pass: 100%/3   | Total: 42m 14s | Avg: 14m 04s | Max: 26m 41s | Hits:  99%/5323  
  🔥 TestGPU            Pass:   0%/4   | Total: 48m 16s | Avg: 12m 04s | Max: 12m 35s
🔍 sm: 90 🔍
  🔍 90                 Pass:  50%/2   | Total: 31m 02s | Avg: 15m 31s | Max: 18m 27s | Hits:  77%/1777  
  🟩 90;90a;100         Pass: 100%/1   | Total: 29m 41s | Avg: 29m 41s | Max: 29m 41s | Hits:  77%/1777  
🔍 std: 20 🔍
  🟩 17                 Pass: 100%/20  | Total: 11h 41m | Avg: 35m 05s | Max: 56m 19s | Hits:  75%/35511 
  🔍 20                 Pass:  86%/23  | Total: 10h 10m | Avg: 26m 31s | Max: 53m 27s | Hits:  79%/35516 
🟨 cxx
  🟩 Clang14            Pass: 100%/4   | Total:  1h 57m | Avg: 29m 18s | Max: 30m 02s | Hits:  77%/7104  
  🟩 Clang15            Pass: 100%/2   | Total: 58m 56s | Avg: 29m 28s | Max: 29m 47s | Hits:  77%/3552  
  🟩 Clang16            Pass: 100%/2   | Total: 57m 17s | Avg: 28m 38s | Max: 28m 58s | Hits:  77%/3552  
  🟩 Clang17            Pass: 100%/2   | Total:  1h 01m | Avg: 30m 32s | Max: 31m 08s | Hits:  77%/3552  
  🟨 Clang18            Pass:  85%/7   | Total:  2h 31m | Avg: 21m 35s | Max: 29m 34s | Hits:  81%/10656 
  🟩 GCC7               Pass: 100%/2   | Total:  1h 02m | Avg: 31m 07s | Max: 33m 35s | Hits:  77%/3554  
  🟩 GCC8               Pass: 100%/1   | Total: 30m 12s | Avg: 30m 12s | Max: 30m 12s | Hits:  77%/1777  
  🟩 GCC9               Pass: 100%/2   | Total:  1h 02m | Avg: 31m 06s | Max: 32m 18s | Hits:  77%/3554  
  🟩 GCC10              Pass: 100%/2   | Total:  1h 02m | Avg: 31m 16s | Max: 32m 48s | Hits:  77%/3554  
  🟩 GCC11              Pass: 100%/2   | Total:  1h 06m | Avg: 33m 01s | Max: 34m 10s | Hits:  77%/3554  
  🟩 GCC12              Pass: 100%/2   | Total:  1h 03m | Avg: 31m 45s | Max: 32m 34s | Hits:  77%/3554  
  🟨 GCC13              Pass:  70%/10  | Total:  3h 37m | Avg: 21m 46s | Max: 35m 34s | Hits:  80%/12439 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 48m | Avg: 54m 04s | Max: 56m 19s | Hits:  66%/3540  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  2h 11m | Avg: 43m 54s | Max: 53m 27s | Hits:  77%/5310  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  1h 41m | Avg: 50m 54s | Max: 51m 48s | Hits:  66%/3552  
🟨 cxx_family
  🟨 Clang              Pass:  94%/17  | Total:  7h 25m | Avg: 26m 12s | Max: 31m 08s | Hits:  79%/28416 
  🟨 GCC                Pass:  85%/21  | Total:  9h 24m | Avg: 26m 52s | Max: 35m 34s | Hits:  78%/31986 
  🟩 MSVC               Pass: 100%/5   | Total:  3h 59m | Avg: 47m 58s | Max: 56m 19s | Hits:  73%/8850  
  🟩 NVHPC              Pass: 100%/2   | Total:  1h 41m | Avg: 50m 54s | Max: 51m 48s | Hits:  66%/3552  
🟨 gpu
  🟨 h100               Pass:  50%/2   | Total: 31m 02s | Avg: 15m 31s | Max: 18m 27s | Hits:  77%/1777  
  🟩 rtx2080            Pass: 100%/33  | Total: 18h 19m | Avg: 33m 19s | Max: 56m 19s | Hits:  75%/58604 
  🟨 rtx4090            Pass:  70%/10  | Total:  3h 41m | Avg: 22m 07s | Max: 53m 27s | Hits:  85%/12423 
🟨 cmake_options
  🟨 -DTHRUST_DISPATCH_TYPE=Force32bit Pass:  50%/2   | Total: 40m 03s | Avg: 20m 01s | Max: 27m 51s | Hits:  77%/1777

🟩 cub: Pass: 100%/45 | Total: 1d 18h | Avg: 56m 47s | Max: 1h 25m | Hits: 75%/53780

🟩 cpu
  🟩 amd64              Pass: 100%/43  | Total:  1d 16h | Avg: 56m 25s | Max:  1h 25m | Hits:  75%/51336 
  🟩 arm64              Pass: 100%/2   | Total:  2h 09m | Avg:  1h 04m | Max:  1h 05m | Hits:  69%/2444  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total:  5h 16m | Avg:  1h 03m | Max:  1h 05m | Hits:  70%/5940  
  🟩 12.6               Pass: 100%/2   | Total:  2h 17m | Avg:  1h 08m | Max:  1h 09m | Hits:  69%/2260  
  🟩 12.8               Pass: 100%/38  | Total:  1d 11h | Avg: 55m 17s | Max:  1h 25m | Hits:  76%/45580 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  2h 01m | Avg:  1h 00m | Max:  1h 01m | Hits:  75%/2108  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  5h 16m | Avg:  1h 03m | Max:  1h 05m | Hits:  70%/5940  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  2h 17m | Avg:  1h 08m | Max:  1h 09m | Hits:  69%/2260  
  🟩 nvcc12.8           Pass: 100%/36  | Total:  1d 08h | Avg: 54m 59s | Max:  1h 25m | Hits:  76%/43472 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  2h 01m | Avg:  1h 00m | Max:  1h 01m | Hits:  75%/2108  
  🟩 nvcc               Pass: 100%/43  | Total:  1d 16h | Avg: 56m 36s | Max:  1h 25m | Hits:  75%/51672 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total:  4h 02m | Avg:  1h 00m | Max:  1h 03m | Hits:  69%/4896  
  🟩 Clang15            Pass: 100%/2   | Total:  1h 58m | Avg: 59m 01s | Max:  1h 00m | Hits:  69%/2444  
  🟩 Clang16            Pass: 100%/2   | Total:  2h 04m | Avg:  1h 02m | Max:  1h 02m | Hits:  69%/2444  
  🟩 Clang17            Pass: 100%/2   | Total:  2h 05m | Avg:  1h 02m | Max:  1h 06m | Hits:  69%/2444  
  🟩 Clang18            Pass: 100%/7   | Total:  6h 25m | Avg: 55m 04s | Max:  1h 25m | Hits:  80%/8218  
  🟩 GCC7               Pass: 100%/2   | Total:  2h 02m | Avg:  1h 01m | Max:  1h 02m | Hits:  69%/2448  
  🟩 GCC8               Pass: 100%/1   | Total:  1h 02m | Avg:  1h 02m | Max:  1h 02m | Hits:  69%/1224  
  🟩 GCC9               Pass: 100%/2   | Total:  2h 07m | Avg:  1h 03m | Max:  1h 05m | Hits:  69%/2448  
  🟩 GCC10              Pass: 100%/2   | Total:  2h 02m | Avg:  1h 01m | Max:  1h 01m | Hits:  69%/2448  
  🟩 GCC11              Pass: 100%/2   | Total:  2h 00m | Avg:  1h 00m | Max:  1h 01m | Hits:  69%/2444  
  🟩 GCC12              Pass: 100%/2   | Total:  2h 01m | Avg:  1h 00m | Max:  1h 01m | Hits:  69%/2444  
  🟩 GCC13              Pass: 100%/11  | Total:  7h 27m | Avg: 40m 43s | Max:  1h 08m | Hits:  85%/13442 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 20m | Avg:  1h 10m | Max:  1h 14m | Hits:  75%/2088  
  🟩 MSVC14.42          Pass: 100%/2   | Total:  2h 35m | Avg:  1h 17m | Max:  1h 22m | Hits:  75%/2088  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  2h 17m | Avg:  1h 08m | Max:  1h 09m | Hits:  69%/2260  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total: 16h 36m | Avg: 58m 36s | Max:  1h 25m | Hits:  73%/20446 
  🟩 GCC                Pass: 100%/22  | Total: 18h 46m | Avg: 51m 11s | Max:  1h 08m | Hits:  77%/26898 
  🟩 MSVC               Pass: 100%/4   | Total:  4h 55m | Avg:  1h 13m | Max:  1h 22m | Hits:  75%/4176  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 17m | Avg:  1h 08m | Max:  1h 09m | Hits:  69%/2260  
🟩 gpu
  🟩 h100               Pass: 100%/3   | Total:  1h 25m | Avg: 28m 35s | Max: 29m 52s | Hits:  89%/3666  
  🟩 rtx2080            Pass: 100%/34  | Total:  1d 12h | Avg:  1h 04m | Max:  1h 25m | Hits:  70%/40338 
  🟩 rtxa6000           Pass: 100%/8   | Total:  4h 42m | Avg: 35m 20s | Max:  1h 02m | Hits:  92%/9776  
🟩 jobs
  🟩 Build              Pass: 100%/37  | Total:  1d 14h | Avg:  1h 03m | Max:  1h 25m | Hits:  70%/44004 
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 28m 44s | Avg: 28m 44s | Max: 28m 44s | Hits:  99%/1222  
  🟩 GraphCapture       Pass: 100%/1   | Total: 22m 54s | Avg: 22m 54s | Max: 22m 54s | Hits:  99%/1222  
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 28m | Avg: 29m 28s | Max: 30m 13s | Hits:  99%/3666  
  🟩 TestGPU            Pass: 100%/3   | Total:  1h 16m | Avg: 25m 25s | Max: 27m 13s | Hits:  99%/3666  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total:  1h 25m | Avg: 28m 35s | Max: 29m 52s | Hits:  89%/3666  
  🟩 90;90a;100         Pass: 100%/1   | Total:  1h 08m | Avg:  1h 08m | Max:  1h 08m | Hits:  69%/1222  
🟩 std
  🟩 17                 Pass: 100%/20  | Total: 21h 39m | Avg:  1h 04m | Max:  1h 25m | Hits:  70%/23662 
  🟩 20                 Pass: 100%/25  | Total: 20h 56m | Avg: 50m 15s | Max:  1h 22m | Hits:  79%/30118

🟩 stdpar: Pass: 100%/4 | Total: 16m 02s | Avg: 4m 00s | Max: 4m 30s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total:  8m 57s | Avg:  4m 28s | Max:  4m 30s
  🟩 arm64              Pass: 100%/2   | Total:  7m 05s | Avg:  3m 32s | Max:  3m 34s
🟩 ctk
  🟩 12.6               Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 cxx
  🟩 NVHPC25.1          Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 cxx_family
  🟩 NVHPC              Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 jobs
  🟩 Build              Pass: 100%/4   | Total: 16m 02s | Avg:  4m 00s | Max:  4m 30s
🟩 std
  🟩 17                 Pass: 100%/2   | Total:  8m 04s | Avg:  4m 02s | Max:  4m 30s
  🟩 20                 Pass: 100%/2   | Total:  7m 58s | Avg:  3m 59s | Max:  4m 27s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 18m 24s | Avg: 9m 12s | Max: 16m 07s | Hits: 98%/320

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 18m 24s | Avg:  9m 12s | Max: 16m 07s | Hits:  98%/320   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 17s | Avg:  2m 17s | Max:  2m 17s | Hits:  98%/160   
  🟩 Test               Pass: 100%/1   | Total: 16m 07s | Avg: 16m 07s | Max: 16m 07s | Hits:  98%/160

🟩 python: Pass: 100%/1 | Total: 1h 20m | Avg: 1h 20m | Max: 1h 20m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m

👃 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: 97)

#	Runner
68	`linux-amd64-cpu16`
9	`windows-amd64-cpu16`
6	`linux-arm64-cpu16`
6	`linux-amd64-gpu-rtxa6000-latest-1`
3	`linux-amd64-gpu-h100-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`
2	`linux-amd64-gpu-rtx2080-latest-1`

This avoids instantiating thrust::copy and thrust::transform when assigning a single element between thrust references.

github-actions · 2025-03-21T22:59:52Z

🟩 CI finished in 1h 33m: Pass: 100%/97 | Total: 2d 19h | Avg: 41m 57s | Max: 1h 20m | Hits: 78%/134011

🟩 cub: Pass: 100%/45 | Total: 1d 19h | Avg: 57m 39s | Max: 1h 14m | Hits: 75%/53780

🟩 cpu
  🟩 amd64              Pass: 100%/43  | Total:  1d 17h | Avg: 57m 22s | Max:  1h 14m | Hits:  75%/51336 
  🟩 arm64              Pass: 100%/2   | Total:  2h 07m | Avg:  1h 03m | Max:  1h 04m | Hits:  69%/2444  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total:  5h 39m | Avg:  1h 07m | Max:  1h 11m | Hits:  70%/5940  
  🟩 12.6               Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 12m | Hits:  69%/2260  
  🟩 12.8               Pass: 100%/38  | Total:  1d 11h | Avg: 55m 33s | Max:  1h 14m | Hits:  76%/45580 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total:  2h 06m | Avg:  1h 03m | Max:  1h 05m | Hits:  75%/2108  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  5h 39m | Avg:  1h 07m | Max:  1h 11m | Hits:  70%/5940  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 12m | Hits:  69%/2260  
  🟩 nvcc12.8           Pass: 100%/36  | Total:  1d 09h | Avg: 55m 07s | Max:  1h 14m | Hits:  76%/43472 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  2h 06m | Avg:  1h 03m | Max:  1h 05m | Hits:  75%/2108  
  🟩 nvcc               Pass: 100%/43  | Total:  1d 17h | Avg: 57m 23s | Max:  1h 14m | Hits:  75%/51672 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total:  4h 25m | Avg:  1h 06m | Max:  1h 11m | Hits:  69%/4896  
  🟩 Clang15            Pass: 100%/2   | Total:  2h 04m | Avg:  1h 02m | Max:  1h 05m | Hits:  69%/2444  
  🟩 Clang16            Pass: 100%/2   | Total:  2h 03m | Avg:  1h 01m | Max:  1h 01m | Hits:  69%/2444  
  🟩 Clang17            Pass: 100%/2   | Total:  1h 59m | Avg: 59m 36s | Max: 59m 56s | Hits:  69%/2444  
  🟩 Clang18            Pass: 100%/7   | Total:  5h 56m | Avg: 50m 56s | Max:  1h 05m | Hits:  80%/8218  
  🟩 GCC7               Pass: 100%/2   | Total:  2h 15m | Avg:  1h 07m | Max:  1h 10m | Hits:  69%/2448  
  🟩 GCC8               Pass: 100%/1   | Total:  1h 09m | Avg:  1h 09m | Max:  1h 09m | Hits:  69%/1224  
  🟩 GCC9               Pass: 100%/2   | Total:  2h 13m | Avg:  1h 06m | Max:  1h 09m | Hits:  69%/2448  
  🟩 GCC10              Pass: 100%/2   | Total:  2h 06m | Avg:  1h 03m | Max:  1h 04m | Hits:  69%/2448  
  🟩 GCC11              Pass: 100%/2   | Total:  2h 04m | Avg:  1h 02m | Max:  1h 03m | Hits:  69%/2444  
  🟩 GCC12              Pass: 100%/2   | Total:  2h 11m | Avg:  1h 05m | Max:  1h 10m | Hits:  69%/2444  
  🟩 GCC13              Pass: 100%/11  | Total:  7h 26m | Avg: 40m 37s | Max:  1h 13m | Hits:  85%/13442 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  2h 22m | Avg:  1h 11m | Max:  1h 14m | Hits:  75%/2088  
  🟩 MSVC14.42          Pass: 100%/2   | Total:  2h 28m | Avg:  1h 14m | Max:  1h 14m | Hits:  75%/2088  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 12m | Hits:  69%/2260  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total: 16h 30m | Avg: 58m 15s | Max:  1h 11m | Hits:  73%/20446 
  🟩 GCC                Pass: 100%/22  | Total: 19h 28m | Avg: 53m 07s | Max:  1h 13m | Hits:  77%/26898 
  🟩 MSVC               Pass: 100%/4   | Total:  4h 51m | Avg:  1h 12m | Max:  1h 14m | Hits:  75%/4176  
  🟩 NVHPC              Pass: 100%/2   | Total:  2h 23m | Avg:  1h 11m | Max:  1h 12m | Hits:  69%/2260  
🟩 gpu
  🟩 h100               Pass: 100%/3   | Total:  1h 21m | Avg: 27m 16s | Max: 29m 59s | Hits:  89%/3666  
  🟩 rtx2080            Pass: 100%/34  | Total:  1d 13h | Avg:  1h 05m | Max:  1h 14m | Hits:  70%/40338 
  🟩 rtxa6000           Pass: 100%/8   | Total:  4h 28m | Avg: 33m 36s | Max:  1h 04m | Hits:  92%/9776  
🟩 jobs
  🟩 Build              Pass: 100%/37  | Total:  1d 16h | Avg:  1h 04m | Max:  1h 14m | Hits:  70%/44004 
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 27m 06s | Avg: 27m 06s | Max: 27m 06s | Hits:  99%/1222  
  🟩 GraphCapture       Pass: 100%/1   | Total: 20m 21s | Avg: 20m 21s | Max: 20m 21s | Hits:  99%/1222  
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 20m | Avg: 26m 47s | Max: 28m 31s | Hits:  99%/3666  
  🟩 TestGPU            Pass: 100%/3   | Total:  1h 06m | Avg: 22m 07s | Max: 23m 18s | Hits:  99%/3666  
🟩 sm
  🟩 90                 Pass: 100%/3   | Total:  1h 21m | Avg: 27m 16s | Max: 29m 59s | Hits:  89%/3666  
  🟩 90;90a;100         Pass: 100%/1   | Total:  1h 13m | Avg:  1h 13m | Max:  1h 13m | Hits:  69%/1222  
🟩 std
  🟩 17                 Pass: 100%/20  | Total: 22h 17m | Avg:  1h 06m | Max:  1h 14m | Hits:  70%/23662 
  🟩 20                 Pass: 100%/25  | Total: 20h 57m | Avg: 50m 17s | Max:  1h 14m | Hits:  79%/30118

🟩 thrust: Pass: 100%/45 | Total: 22h 39m | Avg: 30m 12s | Max: 55m 51s | Hits: 79%/79911

🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 37m 19s | Avg: 18m 39s | Max: 25m 51s | Hits:  88%/3554  
🟩 cpu
  🟩 amd64              Pass: 100%/43  | Total: 21h 44m | Avg: 30m 20s | Max: 55m 51s | Hits:  79%/76358 
  🟩 arm64              Pass: 100%/2   | Total: 55m 01s | Avg: 27m 30s | Max: 28m 42s | Hits:  77%/3553  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total:  2h 51m | Avg: 34m 22s | Max: 50m 29s | Hits:  75%/8876  
  🟩 12.6               Pass: 100%/2   | Total:  1h 48m | Avg: 54m 25s | Max: 55m 51s | Hits:  66%/3552  
  🟩 12.8               Pass: 100%/38  | Total: 17h 58m | Avg: 28m 23s | Max: 53m 59s | Hits:  80%/67483 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 51m 39s | Avg: 25m 49s | Max: 27m 33s | Hits:  77%/3552  
  🟩 nvcc12.0           Pass: 100%/5   | Total:  2h 51m | Avg: 34m 22s | Max: 50m 29s | Hits:  75%/8876  
  🟩 nvcc12.6           Pass: 100%/2   | Total:  1h 48m | Avg: 54m 25s | Max: 55m 51s | Hits:  66%/3552  
  🟩 nvcc12.8           Pass: 100%/36  | Total: 17h 07m | Avg: 28m 31s | Max: 53m 59s | Hits:  81%/63931 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 51m 39s | Avg: 25m 49s | Max: 27m 33s | Hits:  77%/3552  
  🟩 nvcc               Pass: 100%/43  | Total: 21h 47m | Avg: 30m 24s | Max: 55m 51s | Hits:  79%/76359 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total:  1h 58m | Avg: 29m 44s | Max: 32m 44s | Hits:  77%/7104  
  🟩 Clang15            Pass: 100%/2   | Total: 58m 21s | Avg: 29m 10s | Max: 29m 40s | Hits:  77%/3552  
  🟩 Clang16            Pass: 100%/2   | Total: 57m 32s | Avg: 28m 46s | Max: 29m 23s | Hits:  77%/3552  
  🟩 Clang17            Pass: 100%/2   | Total: 58m 06s | Avg: 29m 03s | Max: 29m 31s | Hits:  77%/3552  
  🟩 Clang18            Pass: 100%/7   | Total:  2h 34m | Avg: 22m 03s | Max: 30m 35s | Hits:  84%/12432 
  🟩 GCC7               Pass: 100%/2   | Total:  1h 05m | Avg: 32m 37s | Max: 34m 18s | Hits:  77%/3554  
  🟩 GCC8               Pass: 100%/1   | Total: 30m 28s | Avg: 30m 28s | Max: 30m 28s | Hits:  77%/1777  
  🟩 GCC9               Pass: 100%/2   | Total:  1h 02m | Avg: 31m 05s | Max: 31m 51s | Hits:  77%/3554  
  🟩 GCC10              Pass: 100%/2   | Total:  1h 02m | Avg: 31m 24s | Max: 31m 59s | Hits:  77%/3554  
  🟩 GCC11              Pass: 100%/2   | Total:  1h 03m | Avg: 31m 57s | Max: 33m 11s | Hits:  77%/3554  
  🟩 GCC12              Pass: 100%/2   | Total:  1h 02m | Avg: 31m 28s | Max: 31m 41s | Hits:  77%/3554  
  🟩 GCC13              Pass: 100%/10  | Total:  3h 37m | Avg: 21m 42s | Max: 35m 14s | Hits:  86%/17770 
  🟩 MSVC14.29          Pass: 100%/2   | Total:  1h 44m | Avg: 52m 14s | Max: 53m 59s | Hits:  66%/3540  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  2h 14m | Avg: 44m 43s | Max: 53m 52s | Hits:  77%/5310  
  🟩 NVHPC25.1          Pass: 100%/2   | Total:  1h 48m | Avg: 54m 25s | Max: 55m 51s | Hits:  66%/3552  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total:  7h 27m | Avg: 26m 18s | Max: 32m 44s | Hits:  80%/30192 
  🟩 GCC                Pass: 100%/21  | Total:  9h 24m | Avg: 26m 53s | Max: 35m 14s | Hits:  81%/37317 
  🟩 MSVC               Pass: 100%/5   | Total:  3h 58m | Avg: 47m 43s | Max: 53m 59s | Hits:  73%/8850  
  🟩 NVHPC              Pass: 100%/2   | Total:  1h 48m | Avg: 54m 25s | Max: 55m 51s | Hits:  66%/3552  
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 29m 59s | Avg: 14m 59s | Max: 18m 14s | Hits:  88%/3554  
  🟩 rtx2080            Pass: 100%/33  | Total: 18h 34m | Avg: 33m 45s | Max: 55m 51s | Hits:  75%/58604 
  🟩 rtx4090            Pass: 100%/10  | Total:  3h 35m | Avg: 21m 31s | Max: 52m 47s | Hits:  89%/17753 
🟩 jobs
  🟩 Build              Pass: 100%/38  | Total: 21h 10m | Avg: 33m 26s | Max: 55m 51s | Hits:  75%/67481 
  🟩 TestCPU            Pass: 100%/3   | Total: 43m 19s | Avg: 14m 26s | Max: 27m 32s | Hits:  99%/5323  
  🟩 TestGPU            Pass: 100%/4   | Total: 45m 29s | Avg: 11m 22s | Max: 11m 49s | Hits:  99%/7107  
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 29m 59s | Avg: 14m 59s | Max: 18m 14s | Hits:  88%/3554  
  🟩 90;90a;100         Pass: 100%/1   | Total: 34m 04s | Avg: 34m 04s | Max: 34m 04s | Hits:  77%/1777  
🟩 std
  🟩 17                 Pass: 100%/20  | Total: 11h 49m | Avg: 35m 28s | Max: 53m 59s | Hits:  75%/35511 
  🟩 20                 Pass: 100%/23  | Total: 10h 12m | Avg: 26m 37s | Max: 55m 51s | Hits:  82%/40846

🟩 stdpar: Pass: 100%/4 | Total: 16m 47s | Avg: 4m 11s | Max: 5m 01s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total:  9m 54s | Avg:  4m 57s | Max:  5m 01s
  🟩 arm64              Pass: 100%/2   | Total:  6m 53s | Avg:  3m 26s | Max:  3m 30s
🟩 ctk
  🟩 12.6               Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 cxx
  🟩 NVHPC25.1          Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 cxx_family
  🟩 NVHPC              Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 gpu
  🟩 rtx2080            Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 jobs
  🟩 Build              Pass: 100%/4   | Total: 16m 47s | Avg:  4m 11s | Max:  5m 01s
🟩 std
  🟩 17                 Pass: 100%/2   | Total:  8m 23s | Avg:  4m 11s | Max:  4m 53s
  🟩 20                 Pass: 100%/2   | Total:  8m 24s | Avg:  4m 12s | Max:  5m 01s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 18m 32s | Avg: 9m 16s | Max: 16m 08s | Hits: 98%/320

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 18m 32s | Avg:  9m 16s | Max: 16m 08s | Hits:  98%/320   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 24s | Avg:  2m 24s | Max:  2m 24s | Hits:  98%/160   
  🟩 Test               Pass: 100%/1   | Total: 16m 08s | Avg: 16m 08s | Max: 16m 08s | Hits:  98%/160

🟩 python: Pass: 100%/1 | Total: 1h 20m | Avg: 1h 20m | Max: 1h 20m

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total:  1h 20m | Avg:  1h 20m | Max:  1h 20m

👃 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: 97)

#	Runner
68	`linux-amd64-cpu16`
9	`windows-amd64-cpu16`
6	`linux-arm64-cpu16`
6	`linux-amd64-gpu-rtxa6000-latest-1`
3	`linux-amd64-gpu-h100-latest-1`
3	`linux-amd64-gpu-rtx4090-latest-1`
2	`linux-amd64-gpu-rtx2080-latest-1`

This avoids instantiating thrust::copy and thrust::transform when assigning a single element between thrust references.

bernhardmgruber requested a review from a team as a code owner March 21, 2025 06:25

bernhardmgruber requested a review from elstehle March 21, 2025 06:25

github-project-automation bot added this to CCCL Mar 21, 2025

github-project-automation bot moved this to Todo in CCCL Mar 21, 2025

cccl-authenticator-app bot moved this from Todo to In Review in CCCL Mar 21, 2025

bernhardmgruber mentioned this pull request Mar 21, 2025

Fix dereferencing nullptr in thrust::device_reference #4226

Merged

bernhardmgruber force-pushed the ref_assign_value branch from b2f464f to 50b0a39 Compare March 21, 2025 07:01

miscco approved these changes Mar 21, 2025

View reviewed changes

bernhardmgruber force-pushed the ref_assign_value branch from b9ffaaa to f42c59c Compare March 21, 2025 08:06

miscco approved these changes Mar 21, 2025

View reviewed changes

bernhardmgruber force-pushed the ref_assign_value branch from f52d7aa to 788c193 Compare March 21, 2025 21:16

bernhardmgruber added 4 commits March 21, 2025 14:16

Simplify Thrust assign_value

60a90a2

This avoids instantiating thrust::copy and thrust::transform when assigning a single element between thrust references.

type conversion

cf28f47

fix advice

e76d720

broooo

6a477de

bernhardmgruber force-pushed the ref_assign_value branch from 788c193 to 6a477de Compare March 21, 2025 21:16

extract to functor

1c95f65

bernhardmgruber merged commit 56e8dac into NVIDIA:main Mar 21, 2025
108 of 110 checks passed

bernhardmgruber deleted the ref_assign_value branch March 21, 2025 23:01

github-project-automation bot moved this from In Review to Done in CCCL Mar 21, 2025

davebayer pushed a commit to davebayer/cccl that referenced this pull request Apr 7, 2025

Simplify Thrust assign_value (NVIDIA#4227)

f9d1202

This avoids instantiating thrust::copy and thrust::transform when assigning a single element between thrust references.

Simplify Thrust assign_value #4227

Simplify Thrust assign_value #4227

Uh oh!

Conversation

bernhardmgruber commented Mar 21, 2025 • edited Loading Uh oh! There was an error while loading. Please reload this page.

Uh oh!

Uh oh!

miscco left a comment

Choose a reason for hiding this comment

Uh oh!

github-actions bot commented Mar 21, 2025

🟨 cub: Pass: 95%/45 | Total: 1d 19h | Avg: 57m 48s | Max: 1h 27m | Hits: 51%/51672

🟨 thrust: Pass: 95%/45 | Total: 23h 44m | Avg: 31m 39s | Max: 1h 09m | Hits: 71%/76359

🟩 stdpar: Pass: 100%/4 | Total: 16m 28s | Avg: 4m 07s | Max: 4m 48s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 19m 24s | Avg: 9m 42s | Max: 17m 02s | Hits: 98%/320

🟩 python: Pass: 100%/1 | Total: 1h 17m | Avg: 1h 17m | Max: 1h 17m

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 97)

Uh oh!

github-actions bot commented Mar 21, 2025

🟨 thrust: Pass: 91%/45 | Total: 22h 31m | Avg: 30m 02s | Max: 56m 19s | Hits: 77%/72804

🟩 cub: Pass: 100%/45 | Total: 1d 18h | Avg: 56m 47s | Max: 1h 25m | Hits: 75%/53780

🟩 stdpar: Pass: 100%/4 | Total: 16m 02s | Avg: 4m 00s | Max: 4m 30s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 18m 24s | Avg: 9m 12s | Max: 16m 07s | Hits: 98%/320

🟩 python: Pass: 100%/1 | Total: 1h 20m | Avg: 1h 20m | Max: 1h 20m

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 97)

Uh oh!

github-actions bot commented Mar 21, 2025

🟩 cub: Pass: 100%/45 | Total: 1d 19h | Avg: 57m 39s | Max: 1h 14m | Hits: 75%/53780

🟩 thrust: Pass: 100%/45 | Total: 22h 39m | Avg: 30m 12s | Max: 55m 51s | Hits: 79%/79911

🟩 stdpar: Pass: 100%/4 | Total: 16m 47s | Avg: 4m 11s | Max: 5m 01s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 18m 32s | Avg: 9m 16s | Max: 16m 08s | Hits: 98%/320

🟩 python: Pass: 100%/1 | Total: 1h 20m | Avg: 1h 20m | Max: 1h 20m

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 97)

Uh oh!

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

2 participants

bernhardmgruber commented Mar 21, 2025 •

edited

Loading