Reinstate `thrust::optional` #3759

miscco · 2025-02-10T08:13:54Z

It was accidentally deleted with thrust::async 🙈

It was accidentally deleted with `thrust::async` 🙈

bernhardmgruber · 2025-02-10T08:32:14Z

I would agree that the PR #3730 should have had a better title and stated that optional would be dropped as well. However, we deprecated thrust::optional in CCCL 2.8 and can, and should, remove it for CCCL 3.0.

What's the reason we need to reintroduce it?

github-actions · 2025-02-10T14:24:46Z

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Modifications in project or dependencies?

	Project
	CCCL Infrastructure
	libcu++
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	CUDA Experimental
+/-	python
+/-	CCCL C Parallel Library
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bernhardmgruber · 2025-02-10T16:01:49Z

What's the reason we need to reintroduce it?

Offline discussion: Some users of CCCL have a hard time migrating away from thrust::optional and would like a bit more time. This does not change the planned removal of `thrust::optional for CCCL 3.0.

github-actions · 2025-02-10T19:39:59Z

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  🟩 TestGPU            Pass: 100%/2   | Total: 45m 14s | Avg: 22m 37s | Max: 23m 00s | Hits:  99%/2440  
🟩 sm
  🟩 90                 Pass: 100%/2   | Total: 28m 58s | Avg: 14m 29s | Max: 24m 07s | Hits:  99%/2440  
  🟩 90;90a;100         Pass: 100%/1   | Total:  7m 12s | Avg:  7m 12s | Max:  7m 12s | Hits:  99%/1220  
🟩 std
  🟩 17                 Pass: 100%/20  | Total:  3h 12m | Avg:  9m 37s | Max: 29m 40s | Hits:  88%/23639 
  🟩 20                 Pass: 100%/24  | Total:  4h 48m | Avg: 12m 02s | Max: 31m 05s | Hits:  96%/28857

🟩 thrust: Pass: 100%/43 | Total: 6h 16m | Avg: 8m 44s | Max: 29m 08s | Hits: 96%/76916

🟩 cmake_options
  🟩 -DTHRUST_DISPATCH_TYPE=Force32bit Pass: 100%/2   | Total: 16m 57s | Avg:  8m 28s | Max: 11m 16s | Hits:  99%/3580  
🟩 cpu
  🟩 amd64              Pass: 100%/41  | Total:  6h 06m | Avg:  8m 56s | Max: 29m 08s | Hits:  96%/73337 
  🟩 arm64              Pass: 100%/2   | Total:  9m 34s | Avg:  4m 47s | Max:  5m 06s | Hits:  99%/3579  
🟩 ctk
  🟩 12.0               Pass: 100%/5   | Total: 43m 50s | Avg:  8m 46s | Max: 22m 30s | Hits:  94%/8941  
  🟩 12.5               Pass: 100%/2   | Total: 27m 35s | Avg: 13m 47s | Max: 14m 23s | Hits:  98%/3578  
  🟩 12.8               Pass: 100%/36  | Total:  5h 04m | Avg:  8m 27s | Max: 29m 08s | Hits:  96%/64397 
🟩 cudacxx
  🟩 ClangCUDA18        Pass: 100%/2   | Total: 10m 39s | Avg:  5m 19s | Max:  5m 22s | Hits:  99%/3578  
  🟩 nvcc12.0           Pass: 100%/5   | Total: 43m 50s | Avg:  8m 46s | Max: 22m 30s | Hits:  94%/8941  
  🟩 nvcc12.5           Pass: 100%/2   | Total: 27m 35s | Avg: 13m 47s | Max: 14m 23s | Hits:  98%/3578  
  🟩 nvcc12.8           Pass: 100%/34  | Total:  4h 53m | Avg:  8m 38s | Max: 29m 08s | Hits:  96%/60819 
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 10m 39s | Avg:  5m 19s | Max:  5m 22s | Hits:  99%/3578  
  🟩 nvcc               Pass: 100%/41  | Total:  6h 05m | Avg:  8m 54s | Max: 29m 08s | Hits:  96%/73338 
🟩 cxx
  🟩 Clang14            Pass: 100%/4   | Total: 21m 35s | Avg:  5m 23s | Max:  5m 42s | Hits:  99%/7156  
  🟩 Clang15            Pass: 100%/2   | Total: 10m 42s | Avg:  5m 21s | Max:  5m 26s | Hits:  99%/3578  
  🟩 Clang16            Pass: 100%/2   | Total: 11m 07s | Avg:  5m 33s | Max:  5m 39s | Hits:  99%/3578  
  🟩 Clang17            Pass: 100%/2   | Total: 11m 23s | Avg:  5m 41s | Max:  5m 43s | Hits:  99%/3578  
  🟩 Clang18            Pass: 100%/7   | Total: 43m 45s | Avg:  6m 15s | Max: 10m 20s | Hits:  99%/12523 
  🟩 GCC7               Pass: 100%/2   | Total: 10m 46s | Avg:  5m 23s | Max:  5m 32s | Hits:  99%/3580  
  🟩 GCC8               Pass: 100%/1   | Total:  5m 10s | Avg:  5m 10s | Max:  5m 10s | Hits:  99%/1790  
  🟩 GCC9               Pass: 100%/2   | Total: 10m 55s | Avg:  5m 27s | Max:  5m 28s | Hits:  99%/3580  
  🟩 GCC10              Pass: 100%/2   | Total: 10m 45s | Avg:  5m 22s | Max:  5m 23s | Hits:  99%/3580  
  🟩 GCC11              Pass: 100%/2   | Total: 11m 40s | Avg:  5m 50s | Max:  5m 51s | Hits:  99%/3580  
  🟩 GCC12              Pass: 100%/2   | Total: 12m 22s | Avg:  6m 11s | Max:  6m 19s | Hits:  99%/3580  
  🟩 GCC13              Pass: 100%/8   | Total:  1h 01m | Avg:  7m 42s | Max: 11m 20s | Hits:  99%/14320 
  🟩 MSVC14.29          Pass: 100%/2   | Total: 47m 38s | Avg: 23m 49s | Max: 25m 08s | Hits:  70%/3566  
  🟩 MSVC14.42          Pass: 100%/3   | Total:  1h 19m | Avg: 26m 20s | Max: 29m 08s | Hits:  70%/5349  
  🟩 NVHPC24.7          Pass: 100%/2   | Total: 27m 35s | Avg: 13m 47s | Max: 14m 23s | Hits:  98%/3578  
🟩 cxx_family
  🟩 Clang              Pass: 100%/17  | Total:  1h 38m | Avg:  5m 47s | Max: 10m 20s | Hits:  99%/30413 
  🟩 GCC                Pass: 100%/19  | Total:  2h 03m | Avg:  6m 29s | Max: 11m 20s | Hits:  99%/34010 
  🟩 MSVC               Pass: 100%/5   | Total:  2h 06m | Avg: 25m 19s | Max: 29m 08s | Hits:  70%/8915  
  🟩 NVHPC              Pass: 100%/2   | Total: 27m 35s | Avg: 13m 47s | Max: 14m 23s | Hits:  98%/3578  
🟩 gpu
  🟩 rtx2080            Pass: 100%/33  | Total:  4h 13m | Avg:  7m 41s | Max: 25m 08s | Hits:  97%/59033 
  🟩 rtx4090            Pass: 100%/10  | Total:  2h 02m | Avg: 12m 13s | Max: 29m 08s | Hits:  94%/17883 
🟩 jobs
  🟩 Build              Pass: 100%/37  | Total:  4h 57m | Avg:  8m 03s | Max: 26m 37s | Hits:  96%/66185 
  🟩 TestCPU            Pass: 100%/3   | Total: 45m 12s | Avg: 15m 04s | Max: 29m 08s | Hits:  90%/5362  
  🟩 TestGPU            Pass: 100%/3   | Total: 32m 56s | Avg: 10m 58s | Max: 11m 20s | Hits:  99%/5369  
🟩 sm
  🟩 90;90a;100         Pass: 100%/1   | Total:  6m 54s | Avg:  6m 54s | Max:  6m 54s | Hits:  99%/1790  
🟩 std
  🟩 17                 Pass: 100%/20  | Total:  2h 53m | Avg:  8m 40s | Max: 25m 08s | Hits:  95%/35771 
  🟩 20                 Pass: 100%/21  | Total:  3h 05m | Avg:  8m 49s | Max: 29m 08s | Hits:  97%/37565

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 29s | Avg: 5m 14s | Max: 8m 10s | Hits: 98%/288

🟩 cpu
  🟩 amd64              Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 ctk
  🟩 12.8               Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 cxx
  🟩 GCC13              Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 cxx_family
  🟩 GCC                Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 gpu
  🟩 rtx2080            Pass: 100%/2   | Total: 10m 29s | Avg:  5m 14s | Max:  8m 10s | Hits:  98%/288   
🟩 jobs
  🟩 Build              Pass: 100%/1   | Total:  2m 19s | Avg:  2m 19s | Max:  2m 19s | Hits:  98%/144   
  🟩 Test               Pass: 100%/1   | Total:  8m 10s | Avg:  8m 10s | Max:  8m 10s | Hits:  98%/144

🟩 python: Pass: 100%/1 | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 ctk
  🟩 12.8               Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 cudacxx
  🟩 nvcc12.8           Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 gpu
  🟩 rtx2080            Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s

👃 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: 90)

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

Reinstate thrust::optional

2ddeb88

It was accidentally deleted with `thrust::async` 🙈

miscco requested a review from a team as a code owner February 10, 2025 08:13

miscco requested a review from gevtushenko February 10, 2025 08:13

bernhardmgruber approved these changes Feb 10, 2025

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bernhardmgruber mentioned this pull request Feb 10, 2025

[EPIC] Breaking changes for CCCL 3.0 #101

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86 tasks

bernhardmgruber merged commit 40b7825 into NVIDIA:main Feb 11, 2025
103 of 106 checks passed

miscco deleted the undelete_thrust_optional branch February 11, 2025 16:59

Reinstate thrust::optional #3759

Reinstate thrust::optional #3759

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miscco commented Feb 10, 2025

Uh oh!

bernhardmgruber commented Feb 10, 2025

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github-actions bot commented Feb 10, 2025

🟨 cub: Pass: 97%/44 | Total: 13h 45m | Avg: 18m 45s | Max: 6h 00m | Hits: 92%/51276

🟥 python: Pass: 0%/1 | Total: 3m 02s | Avg: 3m 02s | Max: 3m 02s

🟩 thrust: Pass: 100%/43 | Total: 6h 16m | Avg: 8m 44s | Max: 29m 08s | Hits: 96%/76916

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 29s | Avg: 5m 14s | Max: 8m 10s | Hits: 98%/288

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 90)

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bernhardmgruber commented Feb 10, 2025

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github-actions bot commented Feb 10, 2025

🟩 cub: Pass: 100%/44 | Total: 8h 01m | Avg: 10m 56s | Max: 31m 05s | Hits: 93%/52496

🟩 thrust: Pass: 100%/43 | Total: 6h 16m | Avg: 8m 44s | Max: 29m 08s | Hits: 96%/76916

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 29s | Avg: 5m 14s | Max: 8m 10s | Hits: 98%/288

🟩 python: Pass: 100%/1 | Total: 28m 34s | Avg: 28m 34s | Max: 28m 34s

👃 Inspect Changes

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Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 90)

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Reinstate `thrust::optional` #3759

Reinstate `thrust::optional` #3759