Backport to 2.8: Deprecate CUB iterators existing in Thrust (#3304) #3534

bernhardmgruber · 2025-01-27T16:18:33Z

We keep CUB iterators inside the CUB implementation headers, because some of those are exposed to NVRTC which cannot compile Thrust iterators yet.

bernhardmgruber · 2025-01-27T17:58:59Z

And my favorite again:

  /home/coder/cccl/cub/test/catch2_test_iterator.cu(104): internal error #2656: assertion failed: alloc_copy_of_pending_pragma: copied pragma has source sequence entry (pragma.c, line 518 in alloc_copy_of_pending_pragma)

bernhardmgruber · 2025-01-27T18:49:13Z

So MatX now fails with:

/home/coder/cccl/build/cuda12.6ext-gcc13/matx/MatX/include/matx/transforms/cub.h:994:110: error: ‘template<class ValueType, class OffsetT> class cub::CUB_200800_SM_600_700_800::CountingInputIterator’ is deprecated: Use thrust::counting_iterator instead [-Werror=deprecated-declarations]
  994 |         cub::DeviceSelect::If(d_temp,

which is the correct behavior. I wonder why this did not happen when we merged these changes into main.

github-actions · 2025-01-27T21:34:37Z

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👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 96)

#	Runner
71	`linux-amd64-cpu16`
11	`linux-amd64-gpu-v100-latest-1`
9	`windows-amd64-cpu16`
4	`linux-arm64-cpu16`
1	`linux-amd64-gpu-h100-latest-1-testing`

github-actions · 2025-01-28T06:54:15Z

🟨 CI finished in 12h 33m: Pass: 98%/96 | Total: 20h 21m | Avg: 12m 43s | Max: 40m 10s | Hits: 435%/10540

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  🟩 NVHPC              Pass: 100%/2   | Total: 29m 12s | Avg: 14m 36s | Max: 15m 26s
🔍 jobs: TestCPU 🔍
  🟩 Build              Pass: 100%/40  | Total:  5h 57m | Avg:  8m 55s | Max: 35m 29s | Hits: 366%/7408  
  🔍 TestCPU            Pass:  66%/3   | Total: 48m 15s | Avg: 16m 05s | Max: 33m 20s
  🟩 TestGPU            Pass: 100%/3   | Total: 45m 05s | Avg: 15m 01s | Max: 20m 12s
🔍 std: 20 🔍
  🟩 11                 Pass: 100%/5   | Total: 22m 27s | Avg:  4m 29s | Max:  5m 56s
  🟩 14                 Pass: 100%/4   | Total: 42m 14s | Avg: 10m 33s | Max: 25m 48s | Hits: 368%/1852  
  🟩 17                 Pass: 100%/12  | Total:  2h 04m | Avg: 10m 23s | Max: 31m 31s | Hits: 365%/3704  
  🔍 20                 Pass:  95%/23  | Total:  3h 55m | Avg: 10m 13s | Max: 35m 29s | Hits: 365%/1852  
🟨 gpu
  🟨 v100               Pass:  97%/46  | Total:  7h 30m | Avg:  9m 47s | Max: 35m 29s | Hits: 366%/7408  
🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 25m 42s | Avg: 12m 51s | Max: 20m 12s
🟩 sm
  🟩 90a                Pass: 100%/1   | Total:  4m 39s | Avg:  4m 39s | Max:  4m 39s

🟩 cub: Pass: 100%/47 | Total: 12h 15m | Avg: 15m 38s | Max: 40m 10s | Hits: 598%/3132

🟩 cpu
  🟩 amd64              Pass: 100%/45  | Total: 11h 57m | Avg: 15m 56s | Max: 40m 10s | Hits: 598%/3132  
  🟩 arm64              Pass: 100%/2   | Total: 17m 55s | Avg:  8m 57s | Max:  9m 25s
🟩 ctk
  🟩 11.1               Pass: 100%/7   | Total:  3h 00m | Avg: 25m 45s | Max: 40m 10s | Hits: 598%/783   
  🟩 12.5               Pass: 100%/2   | Total: 46m 05s | Avg: 23m 02s | Max: 24m 09s
  🟩 12.6               Pass: 100%/38  | Total:  8h 28m | Avg: 13m 23s | Max: 34m 58s | Hits: 598%/2349  
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 13m 10s | Avg:  6m 35s | Max:  7m 00s
  🟩 nvcc11.1           Pass: 100%/7   | Total:  3h 00m | Avg: 25m 45s | Max: 40m 10s | Hits: 598%/783   
  🟩 nvcc12.5           Pass: 100%/2   | Total: 46m 05s | Avg: 23m 02s | Max: 24m 09s
  🟩 nvcc12.6           Pass: 100%/36  | Total:  8h 15m | Avg: 13m 45s | Max: 34m 58s | Hits: 598%/2349  
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 13m 10s | Avg:  6m 35s | Max:  7m 00s
  🟩 nvcc               Pass: 100%/45  | Total: 12h 01m | Avg: 16m 02s | Max: 40m 10s | Hits: 598%/3132  
🟩 cxx
  🟩 Clang9             Pass: 100%/4   | Total: 37m 59s | Avg:  9m 29s | Max: 10m 44s
  🟩 Clang10            Pass: 100%/1   | Total:  9m 33s | Avg:  9m 33s | Max:  9m 33s
  🟩 Clang11            Pass: 100%/1   | Total:  7m 51s | Avg:  7m 51s | Max:  7m 51s
  🟩 Clang12            Pass: 100%/1   | Total:  8m 07s | Avg:  8m 07s | Max:  8m 07s
  🟩 Clang13            Pass: 100%/1   | Total:  7m 43s | Avg:  7m 43s | Max:  7m 43s
  🟩 Clang14            Pass: 100%/1   | Total:  8m 36s | Avg:  8m 36s | Max:  8m 36s
  🟩 Clang15            Pass: 100%/1   | Total:  9m 04s | Avg:  9m 04s | Max:  9m 04s
  🟩 Clang16            Pass: 100%/1   | Total:  7m 50s | Avg:  7m 50s | Max:  7m 50s
  🟩 Clang17            Pass: 100%/1   | Total:  8m 21s | Avg:  8m 21s | Max:  8m 21s
  🟩 Clang18            Pass: 100%/7   | Total:  1h 40m | Avg: 14m 20s | Max: 32m 00s
  🟩 GCC6               Pass: 100%/2   | Total: 59m 07s | Avg: 29m 33s | Max: 29m 36s
  🟩 GCC7               Pass: 100%/2   | Total: 16m 04s | Avg:  8m 02s | Max:  8m 04s
  🟩 GCC8               Pass: 100%/1   | Total:  9m 24s | Avg:  9m 24s | Max:  9m 24s
  🟩 GCC9               Pass: 100%/3   | Total:  1h 10m | Avg: 23m 21s | Max: 31m 08s
  🟩 GCC10              Pass: 100%/1   | Total:  8m 34s | Avg:  8m 34s | Max:  8m 34s
  🟩 GCC11              Pass: 100%/1   | Total:  9m 12s | Avg:  9m 12s | Max:  9m 12s
  🟩 GCC12              Pass: 100%/3   | Total: 31m 49s | Avg: 10m 36s | Max: 16m 10s
  🟩 GCC13              Pass: 100%/8   | Total:  2h 03m | Avg: 15m 22s | Max: 25m 40s
  🟩 Intel2023.2.0      Pass: 100%/1   | Total: 15m 09s | Avg: 15m 09s | Max: 15m 09s
  🟩 MSVC14.16          Pass: 100%/1   | Total: 40m 10s | Avg: 40m 10s | Max: 40m 10s | Hits: 598%/783   
  🟩 MSVC14.29          Pass: 100%/1   | Total: 32m 20s | Avg: 32m 20s | Max: 32m 20s | Hits: 598%/783   
  🟩 MSVC14.39          Pass: 100%/2   | Total:  1h 08m | Avg: 34m 17s | Max: 34m 58s | Hits: 598%/1566  
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 46m 05s | Avg: 23m 02s | Max: 24m 09s
🟩 cxx_family
  🟩 Clang              Pass: 100%/19  | Total:  3h 25m | Avg: 10m 48s | Max: 32m 00s
  🟩 GCC                Pass: 100%/21  | Total:  5h 27m | Avg: 15m 35s | Max: 31m 08s
  🟩 Intel              Pass: 100%/1   | Total: 15m 09s | Avg: 15m 09s | Max: 15m 09s
  🟩 MSVC               Pass: 100%/4   | Total:  2h 21m | Avg: 35m 16s | Max: 40m 10s | Hits: 598%/3132  
  🟩 NVHPC              Pass: 100%/2   | Total: 46m 05s | Avg: 23m 02s | Max: 24m 09s
🟩 gpu
  🟩 h100               Pass: 100%/2   | Total: 22m 25s | Avg: 11m 12s | Max: 16m 10s
  🟩 v100               Pass: 100%/45  | Total: 11h 52m | Avg: 15m 50s | Max: 40m 10s | Hits: 598%/3132  
🟩 jobs
  🟩 Build              Pass: 100%/40  | Total:  9h 28m | Avg: 14m 12s | Max: 40m 10s | Hits: 598%/3132  
  🟩 DeviceLaunch       Pass: 100%/1   | Total: 22m 10s | Avg: 22m 10s | Max: 22m 10s
  🟩 GraphCapture       Pass: 100%/1   | Total: 18m 01s | Avg: 18m 01s | Max: 18m 01s
  🟩 HostLaunch         Pass: 100%/3   | Total:  1h 08m | Avg: 22m 51s | Max: 30m 20s
  🟩 TestGPU            Pass: 100%/2   | Total: 57m 40s | Avg: 28m 50s | Max: 32m 00s
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 22m 25s | Avg: 11m 12s | Max: 16m 10s
  🟩 90a                Pass: 100%/1   | Total:  6m 27s | Avg:  6m 27s | Max:  6m 27s
🟩 std
  🟩 11                 Pass: 100%/5   | Total:  1h 27m | Avg: 17m 32s | Max: 31m 08s
  🟩 14                 Pass: 100%/4   | Total:  1h 26m | Avg: 21m 44s | Max: 40m 10s | Hits: 598%/783   
  🟩 17                 Pass: 100%/12  | Total:  3h 18m | Avg: 16m 31s | Max: 34m 58s | Hits: 598%/1566  
  🟩 20                 Pass: 100%/26  | Total:  6h 02m | Avg: 13m 55s | Max: 33m 37s | Hits: 598%/783

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 01s | Avg: 5m 00s | Max: 7m 24s

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 ctk
  🟩 12.6               Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 gpu
  🟩 v100               Pass: 100%/2   | Total: 10m 01s | Avg:  5m 00s | Max:  7m 24s
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 37s | Avg:  2m 37s | Max:  2m 37s
  🟩 Test               Pass: 100%/1   | Total:  7m 24s | Avg:  7m 24s | Max:  7m 24s

🟩 python: Pass: 100%/1 | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 ctk
  🟩 12.6               Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 cudacxx
  🟩 nvcc12.6           Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

👃 Inspect Changes

Modifications in project?

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

Modifications in project or dependencies?

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

🏃‍ Runner counts (total jobs: 96)

#	Runner
71	`linux-amd64-cpu16`
11	`linux-amd64-gpu-v100-latest-1`
9	`windows-amd64-cpu16`
4	`linux-arm64-cpu16`
1	`linux-amd64-gpu-h100-latest-1-testing`

Deprecate CUB iterators existing in Thrust (NVIDIA#3304)

7a89fda

We keep CUB iterators inside the CUB implementation headers, because some of those are exposed to NVRTC which cannot compile Thrust iterators yet.

bernhardmgruber requested review from a team as code owners January 27, 2025 16:18

bernhardmgruber requested review from elstehle and gonidelis January 27, 2025 16:18

miscco approved these changes Jan 27, 2025

View reviewed changes

elstehle approved these changes Jan 27, 2025

View reviewed changes

Fix nvcc 11.1 ICE

ac8d2da

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Backport to 2.8: Deprecate CUB iterators existing in Thrust (#3304) #3534

Backport to 2.8: Deprecate CUB iterators existing in Thrust (#3304) #3534

bernhardmgruber commented Jan 27, 2025

bernhardmgruber commented Jan 27, 2025

bernhardmgruber commented Jan 27, 2025

github-actions bot commented Jan 27, 2025

🟨 thrust: Pass: 97%/46 | Total: 7h 27m | Avg: 9m 44s | Max: 35m 29s | Hits: 366%/7408

🟩 cub: Pass: 100%/47 | Total: 12h 15m | Avg: 15m 38s | Max: 40m 10s | Hits: 598%/3132

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 01s | Avg: 5m 00s | Max: 7m 24s

🟩 python: Pass: 100%/1 | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 96)

github-actions bot commented Jan 28, 2025

🟨 thrust: Pass: 97%/46 | Total: 7h 30m | Avg: 9m 47s | Max: 35m 29s | Hits: 366%/7408

🟩 cub: Pass: 100%/47 | Total: 12h 15m | Avg: 15m 38s | Max: 40m 10s | Hits: 598%/3132

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 01s | Avg: 5m 00s | Max: 7m 24s

🟩 python: Pass: 100%/1 | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 96)

Backport to 2.8: Deprecate CUB iterators existing in Thrust (#3304) #3534

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Backport to 2.8: Deprecate CUB iterators existing in Thrust (#3304) #3534

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bernhardmgruber commented Jan 27, 2025

bernhardmgruber commented Jan 27, 2025

bernhardmgruber commented Jan 27, 2025

github-actions bot commented Jan 27, 2025

🟨 thrust: Pass: 97%/46 | Total: 7h 27m | Avg: 9m 44s | Max: 35m 29s | Hits: 366%/7408

🟩 cub: Pass: 100%/47 | Total: 12h 15m | Avg: 15m 38s | Max: 40m 10s | Hits: 598%/3132

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 01s | Avg: 5m 00s | Max: 7m 24s

🟩 python: Pass: 100%/1 | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 96)

github-actions bot commented Jan 28, 2025

🟨 thrust: Pass: 97%/46 | Total: 7h 30m | Avg: 9m 47s | Max: 35m 29s | Hits: 366%/7408

🟩 cub: Pass: 100%/47 | Total: 12h 15m | Avg: 15m 38s | Max: 40m 10s | Hits: 598%/3132

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 01s | Avg: 5m 00s | Max: 7m 24s

🟩 python: Pass: 100%/1 | Total: 25m 46s | Avg: 25m 46s | Max: 25m 46s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 96)