[CUDAX] Add experimental owning abstraction for cudaStream_t #2093

pciolkosz · 2024-07-28T19:47:22Z

This pull request adds an owning type cudax::stream for cudaStream_t.

Some functions in cudax::stream should go to cuda::stream_ref, like record and wait, but libcu++ can't depend on cudax. We could consider having two versions of stream_ref, once in cuda:: and second one in cudax::

github-actions · 2024-07-28T23:43:25Z

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  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  2m 45s | Avg:  2m 45s | Max:  2m 45s | Hits:  89%/39    
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  🟩 GCC                Pass: 100%/22  | Total: 53m 46s | Avg:  2m 26s | Max:  4m 58s | Hits:  88%/858   
  🟩 Intel              Pass: 100%/1   | Total:  2m 45s | Avg:  2m 45s | Max:  2m 45s | Hits:  89%/39    
  🟩 MSVC               Pass: 100%/2   | Total: 13m 04s | Avg:  6m 32s | Max:  6m 59s | Hits:  66%/66    
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🟩 pycuda: Pass: 100%/1 | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s

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🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s
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  🟩 v100               Pass: 100%/1   | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
+/-	libcu++
	CUB
	Thrust
+/-	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
+/-	libcu++
+/-	CUB
+/-	Thrust
+/-	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 417)

#	Runner
305	`linux-amd64-cpu16`
61	`linux-amd64-gpu-v100-latest-1`
28	`linux-arm64-cpu16`
23	`windows-amd64-cpu16`

cudax/include/cuda/experimental/__stream/stream.cuh

miscco · 2024-07-29T07:16:42Z

cudax/include/cuda/experimental/__stream/stream.cuh

+  //! @brief Constructs a stream on a specified device and with specified priority
+  //!
+  //! @throws cuda_error if stream creation fails
+  explicit stream(device __dev, int __priority)


I would love if in new APIs we could try to be const correct:

Suggested change

explicit stream(device __dev, int __priority)

explicit stream(const device __dev, const int __priority)

If these are passed by value, is there any value in having them const?

From the perspective of the user these are identical. From our perspective it would guard against accidentally changing them. I'm generally not a fan of top level qualifiers on function arguments, and they are very much an implementation detail, so we can add or remove them in any API at any time.

cudax/include/cuda/experimental/__stream/stream.cuh

miscco · 2024-07-29T07:19:07Z

cudax/include/cuda/experimental/__stream/stream.cuh

+  //! @brief Construct a new `stream` object into the moved-from state.
+  //!
+  //! @post `stream()` returns an invalid stream handle
+  // Can't be constexpr because invalid_stream isn't
+  explicit stream(uninit_t) noexcept
+      : stream_ref(detail::invalid_stream)
+  {}


Should this be a public constructor?

This aligns with the event constructor from uninit and works as an opt-in to create a stream that will be assigned into later

cudax/include/cuda/experimental/__stream/stream.cuh

cudax/include/cuda/experimental/__event/event.cuh

cudax/include/cuda/experimental/__stream/stream.cuh

cudax/include/cuda/experimental/stream.cuh

cudax/include/cuda/experimental/__stream/stream.cuh

bernhardmgruber · 2024-07-29T08:15:44Z

cudax/include/cuda/experimental/__stream/stream.cuh

+  _CCCL_NODISCARD static stream from_native_handle(::cudaStream_t __handle)
+  {
+    return stream(__handle);
+  }
+
+  // Disallow construction from an `int`, e.g., `0`.
+  static stream from_native_handle(int) = delete;
+
+  // Disallow construction from `nullptr`.
+  static stream from_native_handle(_CUDA_VSTD::nullptr_t) = delete;


Question: why shouldn't those be ctors? What problem are factory functions solving here that ctors cannot?

This one aligns with event factory function, we can discuss it as a broader design question for cudax. These are taking the ownership of the stream, so I like the explicitness of the function.

@ericniebler points out that these functions take ownership over the passed in stream, so he wants them to stand out in the code

cudax/include/cuda/experimental/__stream/stream.cuh

miscco · 2024-07-29T18:06:22Z

libcudacxx/include/cuda/stream_ref

+   *
+   * \return value representing the priority of the wrapped stream.
+   */
+  _CCCL_NODISCARD int priority() const


@ericniebler Do we want to return a strong type?

jrhemstad

Question: I've always thought an owning stream abstraction should just be a unique_ptr with a custom deleter that overrides the pointer type like:

struct stream_deleter{
   using pointer = cudaStream_t;
   void operator()(cudaStream_t s){ cudaStreamDestroy(s); }
};

struct owning_stream{
// other stuff
private:
   std::unique_ptr<cudaStream_t, stream_deleter> __s;
};

Does that not work?

cudax/include/cuda/experimental/__stream/stream.cuh

ericniebler · 2024-07-29T20:59:16Z

cudax/include/cuda/experimental/__stream/stream.cuh

+  {
+    // TODO consider an optimization to not create an event every time and instead have one persistent event or one per
+    // stream
+    assert(__stream.get() != nullptr);


isn't __stream a cudaStream_t here?

Should be check for invalid_stream, corrected

github-actions · 2024-07-30T05:16:32Z

🟩 CI finished in 8h 04m: Pass: 100%/417 | Total: 1d 20h | Avg: 6m 24s | Max: 37m 49s | Hits: 98%/525419

🟩 cub: Pass: 100%/131 | Total: 19h 36m | Avg: 8m 58s | Max: 37m 49s | Hits: 99%/111124

🟩 cpu
  🟩 amd64              Pass: 100%/123 | Total: 18h 58m | Avg:  9m 15s | Max: 37m 49s | Hits:  99%/104188
  🟩 arm64              Pass: 100%/8   | Total: 38m 29s | Avg:  4m 48s | Max:  5m 28s | Hits:  99%/6936  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total:  1h 04m | Avg:  4m 19s | Max: 12m 16s | Hits:  99%/11792 
  🟩 11.8               Pass: 100%/3   | Total: 13m 47s | Avg:  4m 35s | Max:  5m 01s | Hits:  99%/2601  
  🟩 12.5               Pass: 100%/113 | Total: 18h 18m | Avg:  9m 43s | Max: 37m 49s | Hits:  99%/96731 
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  🟩 ClangCUDA          Pass: 100%/2   | Total:  7m 18s | Avg:  3m 39s | Max:  3m 40s | Hits: 100%/1436  
  🟩 nvcc               Pass: 100%/129 | Total: 19h 29m | Avg:  9m 03s | Max: 37m 49s | Hits:  99%/109688
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  🟩 GCC13              Pass: 100%/28  | Total:  7h 09m | Avg: 15m 21s | Max: 37m 49s | Hits:  99%/24276 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 15m 24s | Avg:  5m 08s | Max:  5m 28s | Hits: 100%/2379  
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  🟩 MSVC14.39          Pass: 100%/3   | Total: 32m 38s | Avg: 10m 52s | Max: 11m 43s | Hits:  99%/2127  
🟩 cxx_family
  🟩 Clang              Pass: 100%/59  | Total:  8h 36m | Avg:  8m 45s | Max: 25m 31s | Hits:  99%/50671 
  🟩 GCC                Pass: 100%/63  | Total:  9h 39m | Avg:  9m 11s | Max: 37m 49s | Hits:  99%/53820 
  🟩 Intel              Pass: 100%/3   | Total: 15m 24s | Avg:  5m 08s | Max:  5m 28s | Hits: 100%/2379  
  🟩 MSVC               Pass: 100%/6   | Total:  1h 05m | Avg: 10m 55s | Max: 12m 16s | Hits:  99%/4254  
🟩 gpu
  🟩 v100               Pass: 100%/131 | Total: 19h 36m | Avg:  8m 58s | Max: 37m 49s | Hits:  99%/111124
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  7h 56m | Avg:  4m 48s | Max: 12m 16s | Hits:  99%/83380 
  🟩 DeviceLaunch       Pass: 100%/8   | Total:  2h 37m | Avg: 19m 42s | Max: 26m 01s | Hits:  99%/6936  
  🟩 GraphCapture       Pass: 100%/8   | Total:  2h 31m | Avg: 18m 59s | Max: 33m 08s | Hits:  99%/6936  
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  🟩 TestGPU            Pass: 100%/8   | Total:  3h 51m | Avg: 28m 53s | Max: 37m 49s | Hits:  99%/6936  
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  🟩 90a                Pass: 100%/4   | Total: 14m 22s | Avg:  3m 35s | Max:  3m 44s | Hits:  99%/3468  
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🟩 thrust: Pass: 100%/118 | Total: 10h 57m | Avg: 5m 34s | Max: 32m 13s | Hits: 99%/138912

🟩 cpu
  🟩 amd64              Pass: 100%/110 | Total: 10h 25m | Avg:  5m 41s | Max: 32m 13s | Hits:  99%/129492
  🟩 arm64              Pass: 100%/8   | Total: 32m 25s | Avg:  4m 03s | Max:  4m 31s | Hits:  99%/9420  
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total: 58m 00s | Avg:  3m 52s | Max: 13m 15s | Hits:  99%/17660 
  🟩 11.8               Pass: 100%/3   | Total: 11m 25s | Avg:  3m 48s | Max:  4m 01s | Hits:  99%/3534  
  🟩 12.5               Pass: 100%/100 | Total:  9h 48m | Avg:  5m 52s | Max: 32m 13s | Hits:  99%/117718
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total:  7m 01s | Avg:  3m 30s | Max:  3m 36s | Hits: 100%/2354  
  🟩 nvcc11.1           Pass: 100%/15  | Total: 58m 00s | Avg:  3m 52s | Max: 13m 15s | Hits:  99%/17660 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 11m 25s | Avg:  3m 48s | Max:  4m 01s | Hits:  99%/3534  
  🟩 nvcc12.5           Pass: 100%/98  | Total:  9h 41m | Avg:  5m 55s | Max: 32m 13s | Hits:  99%/115364
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total:  7m 01s | Avg:  3m 30s | Max:  3m 36s | Hits: 100%/2354  
  🟩 nvcc               Pass: 100%/116 | Total: 10h 50m | Avg:  5m 36s | Max: 32m 13s | Hits:  99%/136558
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total: 22m 48s | Avg:  3m 48s | Max:  4m 19s | Hits: 100%/7062  
  🟩 Clang10            Pass: 100%/3   | Total: 12m 53s | Avg:  4m 17s | Max:  4m 32s | Hits: 100%/3531  
  🟩 Clang11            Pass: 100%/4   | Total: 14m 55s | Avg:  3m 43s | Max:  3m 53s | Hits: 100%/4708  
  🟩 Clang12            Pass: 100%/4   | Total: 15m 03s | Avg:  3m 45s | Max:  3m 54s | Hits: 100%/4708  
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  🟩 GCC12              Pass: 100%/4   | Total: 15m 46s | Avg:  3m 56s | Max:  4m 31s | Hits:  99%/4712  
  🟩 GCC13              Pass: 100%/20  | Total:  2h 04m | Avg:  6m 14s | Max: 18m 49s | Hits:  99%/23560 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 13m 54s | Avg:  4m 38s | Max:  5m 00s | Hits: 100%/3540  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 13m 15s | Avg: 13m 15s | Max: 13m 15s | Hits:  98%/1173  
  🟩 MSVC14.29          Pass: 100%/2   | Total: 22m 33s | Avg: 11m 16s | Max: 11m 36s | Hits:  98%/2346  
  🟩 MSVC14.39          Pass: 100%/6   | Total:  1h 27m | Avg: 14m 37s | Max: 19m 34s | Hits:  98%/7038  
🟩 cxx_family
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  🟩 GCC                Pass: 100%/55  | Total:  4h 37m | Avg:  5m 02s | Max: 32m 13s | Hits:  98%/64788 
  🟩 Intel              Pass: 100%/3   | Total: 13m 54s | Avg:  4m 38s | Max:  5m 00s | Hits: 100%/3540  
  🟩 MSVC               Pass: 100%/9   | Total:  2h 03m | Avg: 13m 43s | Max: 19m 34s | Hits:  98%/10557 
🟩 gpu
  🟩 v100               Pass: 100%/118 | Total: 10h 57m | Avg:  5m 34s | Max: 32m 13s | Hits:  99%/138912
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  7h 27m | Avg:  4m 31s | Max: 32m 13s | Hits:  99%/116553
  🟩 TestCPU            Pass: 100%/11  | Total:  1h 41m | Avg:  9m 14s | Max: 19m 34s | Hits:  99%/12939 
  🟩 TestGPU            Pass: 100%/8   | Total:  1h 48m | Avg: 13m 36s | Max: 18m 49s | Hits:  99%/9420  
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 11m 25s | Avg:  3m 48s | Max:  4m 01s | Hits:  99%/3534  
  🟩 90a                Pass: 100%/4   | Total: 13m 20s | Avg:  3m 20s | Max:  3m 29s | Hits:  99%/4712  
🟩 std
  🟩 11                 Pass: 100%/30  | Total:  2h 15m | Avg:  4m 31s | Max: 18m 49s | Hits:  99%/35328 
  🟩 14                 Pass: 100%/34  | Total:  3h 33m | Avg:  6m 17s | Max: 32m 13s | Hits:  97%/40020 
  🟩 17                 Pass: 100%/33  | Total:  3h 01m | Avg:  5m 29s | Max: 19m 34s | Hits:  99%/38847 
  🟩 20                 Pass: 100%/21  | Total:  2h 06m | Avg:  6m 01s | Max: 17m 51s | Hits:  99%/24717

🟩 libcudacxx: Pass: 100%/112 | Total: 11h 18m | Avg: 6m 03s | Max: 20m 34s | Hits: 97%/273250

🟩 cpu
  🟩 amd64              Pass: 100%/104 | Total: 10h 44m | Avg:  6m 12s | Max: 20m 34s | Hits:  97%/250904
  🟩 arm64              Pass: 100%/8   | Total: 33m 18s | Avg:  4m 09s | Max:  4m 48s | Hits:  98%/22346 
🟩 ctk
  🟩 11.1               Pass: 100%/15  | Total: 55m 35s | Avg:  3m 42s | Max: 16m 26s | Hits:  99%/39780 
  🟩 11.8               Pass: 100%/3   | Total: 25m 55s | Avg:  8m 38s | Max: 20m 22s | Hits:  86%/8064  
  🟩 12.5               Pass: 100%/94  | Total:  9h 56m | Avg:  6m 20s | Max: 20m 34s | Hits:  97%/225406
🟩 cudacxx
  🟩 ClangCUDA17        Pass: 100%/2   | Total: 35m 04s | Avg: 17m 32s | Max: 18m 30s | Hits:  37%/6099  
  🟩 nvcc11.1           Pass: 100%/15  | Total: 55m 35s | Avg:  3m 42s | Max: 16m 26s | Hits:  99%/39780 
  🟩 nvcc11.8           Pass: 100%/3   | Total: 25m 55s | Avg:  8m 38s | Max: 20m 22s | Hits:  86%/8064  
  🟩 nvcc12.5           Pass: 100%/92  | Total:  9h 21m | Avg:  6m 06s | Max: 20m 34s | Hits:  98%/219307
🟩 cudacxx_family
  🟩 ClangCUDA          Pass: 100%/2   | Total: 35m 04s | Avg: 17m 32s | Max: 18m 30s | Hits:  37%/6099  
  🟩 nvcc               Pass: 100%/110 | Total: 10h 43m | Avg:  5m 50s | Max: 20m 34s | Hits:  98%/267151
🟩 cxx
  🟩 Clang9             Pass: 100%/6   | Total: 24m 28s | Avg:  4m 04s | Max:  5m 25s | Hits:  99%/16160 
  🟩 Clang10            Pass: 100%/3   | Total: 15m 25s | Avg:  5m 08s | Max:  5m 33s | Hits:  98%/8109  
  🟩 Clang11            Pass: 100%/4   | Total: 17m 14s | Avg:  4m 18s | Max:  5m 04s | Hits:  98%/11181 
  🟩 Clang12            Pass: 100%/4   | Total: 15m 32s | Avg:  3m 53s | Max:  4m 08s | Hits:  98%/11181 
  🟩 Clang13            Pass: 100%/4   | Total: 15m 39s | Avg:  3m 54s | Max:  4m 16s | Hits:  98%/11181 
  🟩 Clang14            Pass: 100%/4   | Total: 16m 18s | Avg:  4m 04s | Max:  4m 24s | Hits:  97%/11181 
  🟩 Clang15            Pass: 100%/4   | Total: 16m 06s | Avg:  4m 01s | Max:  4m 28s | Hits:  98%/11173 
  🟩 Clang16            Pass: 100%/4   | Total: 15m 29s | Avg:  3m 52s | Max:  4m 11s | Hits:  99%/11173 
  🟩 Clang17            Pass: 100%/14  | Total:  2h 20m | Avg: 10m 01s | Max: 20m 34s | Hits:  85%/28445 
  🟩 GCC6               Pass: 100%/2   | Total:  5m 21s | Avg:  2m 40s | Max:  2m 48s | Hits:  98%/5045  
  🟩 GCC7               Pass: 100%/6   | Total: 17m 17s | Avg:  2m 52s | Max:  3m 26s | Hits:  98%/16146 
  🟩 GCC8               Pass: 100%/6   | Total: 18m 29s | Avg:  3m 04s | Max:  3m 51s | Hits:  98%/16154 
  🟩 GCC9               Pass: 100%/6   | Total: 18m 33s | Avg:  3m 05s | Max:  3m 59s | Hits:  99%/16158 
  🟩 GCC10              Pass: 100%/4   | Total: 14m 23s | Avg:  3m 35s | Max:  3m 55s | Hits:  98%/11181 
  🟩 GCC11              Pass: 100%/7   | Total: 39m 36s | Avg:  5m 39s | Max: 20m 22s | Hits:  93%/19237 
  🟩 GCC12              Pass: 100%/4   | Total: 14m 41s | Avg:  3m 40s | Max:  3m 57s | Hits:  98%/11173 
  🟩 GCC13              Pass: 100%/21  | Total:  3h 00m | Avg:  8m 36s | Max: 20m 04s | Hits:  99%/33902 
  🟩 Intel2023.2.0      Pass: 100%/3   | Total: 14m 55s | Avg:  4m 58s | Max:  5m 20s | Hits:  99%/8099  
  🟩 MSVC14.16          Pass: 100%/1   | Total: 16m 26s | Avg: 16m 26s | Max: 16m 26s | Hits:  99%/2536  
  🟩 MSVC14.29          Pass: 100%/2   | Total: 21m 53s | Avg: 10m 56s | Max: 11m 10s | Hits:  98%/5434  
  🟩 MSVC14.39          Pass: 100%/3   | Total: 39m 13s | Avg: 13m 04s | Max: 14m 52s | Hits:  98%/8401  
🟩 cxx_family
  🟩 Clang              Pass: 100%/47  | Total:  4h 36m | Avg:  5m 53s | Max: 20m 34s | Hits:  95%/119784
  🟩 GCC                Pass: 100%/56  | Total:  5h 09m | Avg:  5m 31s | Max: 20m 22s | Hits:  98%/128996
  🟩 Intel              Pass: 100%/3   | Total: 14m 55s | Avg:  4m 58s | Max:  5m 20s | Hits:  99%/8099  
  🟩 MSVC               Pass: 100%/6   | Total:  1h 17m | Avg: 12m 55s | Max: 16m 26s | Hits:  98%/16371 
🟩 gpu
  🟩 v100               Pass: 100%/112 | Total: 11h 18m | Avg:  6m 03s | Max: 20m 34s | Hits:  97%/273250
🟩 jobs
  🟩 Build              Pass: 100%/99  | Total:  7h 50m | Avg:  4m 44s | Max: 20m 22s | Hits:  97%/273230
  🟩 NVRTC              Pass: 100%/4   | Total:  1h 12m | Avg: 18m 06s | Max: 20m 04s | Hits: 100%/20    
  🟩 Test               Pass: 100%/8   | Total:  2h 13m | Avg: 16m 41s | Max: 20m 34s
  🟩 VerifyCodegen      Pass: 100%/1   | Total:  1m 55s | Avg:  1m 55s | Max:  1m 55s
🟩 sm
  🟩 60;70;80;90        Pass: 100%/3   | Total: 25m 55s | Avg:  8m 38s | Max: 20m 22s | Hits:  86%/8064  
  🟩 90a                Pass: 100%/4   | Total: 13m 39s | Avg:  3m 24s | Max:  3m 37s | Hits:  99%/11536 
🟩 std
  🟩 11                 Pass: 100%/29  | Total:  2h 26m | Avg:  5m 03s | Max: 20m 22s | Hits:  98%/58200 
  🟩 14                 Pass: 100%/32  | Total:  3h 11m | Avg:  5m 58s | Max: 20m 03s | Hits:  98%/81788 
  🟩 17                 Pass: 100%/31  | Total:  3h 15m | Avg:  6m 19s | Max: 20m 34s | Hits:  96%/84134 
  🟩 20                 Pass: 100%/19  | Total:  2h 22m | Avg:  7m 30s | Max: 20m 04s | Hits:  94%/49128

🟩 cudax: Pass: 100%/55 | Total: 2h 27m | Avg: 2m 40s | Max: 6m 36s | Hits: 73%/2133

🟩 cpu
  🟩 amd64              Pass: 100%/51  | Total:  2h 16m | Avg:  2m 40s | Max:  6m 36s | Hits:  72%/1977  
  🟩 arm64              Pass: 100%/4   | Total: 10m 15s | Avg:  2m 33s | Max:  2m 41s | Hits:  89%/156   
🟩 ctk
  🟩 12.0               Pass: 100%/23  | Total:  1h 01m | Avg:  2m 41s | Max:  6m 36s | Hits:  72%/891   
  🟩 12.5               Pass: 100%/32  | Total:  1h 25m | Avg:  2m 39s | Max:  6m 36s | Hits:  74%/1242  
🟩 cudacxx
  🟩 nvcc12.0           Pass: 100%/23  | Total:  1h 01m | Avg:  2m 41s | Max:  6m 36s | Hits:  72%/891   
  🟩 nvcc12.5           Pass: 100%/32  | Total:  1h 25m | Avg:  2m 39s | Max:  6m 36s | Hits:  74%/1242  
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/55  | Total:  2h 27m | Avg:  2m 40s | Max:  6m 36s | Hits:  73%/2133  
🟩 cxx
  🟩 Clang9             Pass: 100%/2   | Total:  4m 51s | Avg:  2m 25s | Max:  2m 27s | Hits:  56%/78    
  🟩 Clang10            Pass: 100%/2   | Total:  4m 40s | Avg:  2m 20s | Max:  2m 26s | Hits:  56%/78    
  🟩 Clang11            Pass: 100%/4   | Total:  9m 13s | Avg:  2m 18s | Max:  2m 24s | Hits:  56%/156   
  🟩 Clang12            Pass: 100%/4   | Total:  9m 35s | Avg:  2m 23s | Max:  2m 31s | Hits:  56%/156   
  🟩 Clang13            Pass: 100%/4   | Total: 10m 43s | Avg:  2m 40s | Max:  3m 29s | Hits:  57%/156   
  🟩 Clang14            Pass: 100%/6   | Total: 17m 39s | Avg:  2m 56s | Max:  5m 01s | Hits:  86%/234   
  🟩 Clang15            Pass: 100%/2   | Total:  4m 13s | Avg:  2m 06s | Max:  2m 10s | Hits:  79%/78    
  🟩 Clang16            Pass: 100%/6   | Total: 17m 55s | Avg:  2m 59s | Max:  4m 00s | Hits:  90%/234   
  🟩 GCC9               Pass: 100%/2   | Total:  4m 06s | Avg:  2m 03s | Max:  2m 05s | Hits:  74%/78    
  🟩 GCC10              Pass: 100%/4   | Total:  8m 04s | Avg:  2m 01s | Max:  2m 07s | Hits:  74%/156   
  🟩 GCC11              Pass: 100%/4   | Total:  7m 51s | Avg:  1m 57s | Max:  2m 02s | Hits:  74%/156   
  🟩 GCC12              Pass: 100%/12  | Total: 31m 53s | Avg:  2m 39s | Max:  3m 33s | Hits:  83%/468   
  🟩 Intel2023.2.0      Pass: 100%/1   | Total:  3m 05s | Avg:  3m 05s | Max:  3m 05s | Hits:  56%/39    
  🟩 MSVC14.36          Pass: 100%/1   | Total:  6m 36s | Avg:  6m 36s | Max:  6m 36s | Hits:  66%/33    
  🟩 MSVC14.39          Pass: 100%/1   | Total:  6m 36s | Avg:  6m 36s | Max:  6m 36s | Hits:  66%/33    
🟩 cxx_family
  🟩 Clang              Pass: 100%/30  | Total:  1h 18m | Avg:  2m 37s | Max:  5m 01s | Hits:  70%/1170  
  🟩 GCC                Pass: 100%/22  | Total: 51m 54s | Avg:  2m 21s | Max:  3m 33s | Hits:  79%/858   
  🟩 Intel              Pass: 100%/1   | Total:  3m 05s | Avg:  3m 05s | Max:  3m 05s | Hits:  56%/39    
  🟩 MSVC               Pass: 100%/2   | Total: 13m 12s | Avg:  6m 36s | Max:  6m 36s | Hits:  66%/66    
🟩 gpu
  🟩 v100               Pass: 100%/55  | Total:  2h 27m | Avg:  2m 40s | Max:  6m 36s | Hits:  73%/2133  
🟩 jobs
  🟩 Build              Pass: 100%/47  | Total:  1h 56m | Avg:  2m 28s | Max:  6m 36s | Hits:  69%/1821  
  🟩 Test               Pass: 100%/8   | Total: 30m 52s | Avg:  3m 51s | Max:  5m 01s | Hits:  97%/312   
🟩 sm
  🟩 90                 Pass: 100%/1   | Total:  2m 12s | Avg:  2m 12s | Max:  2m 12s | Hits:  74%/39    
  🟩 90a                Pass: 100%/1   | Total:  2m 18s | Avg:  2m 18s | Max:  2m 18s | Hits:  74%/39    
🟩 std
  🟩 17                 Pass: 100%/31  | Total:  1h 18m | Avg:  2m 31s | Max:  5m 01s | Hits:  72%/1209  
  🟩 20                 Pass: 100%/24  | Total:  1h 08m | Avg:  2m 51s | Max:  6m 36s | Hits:  75%/924

🟩 pycuda: Pass: 100%/1 | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s

🟩 cpu
  🟩 amd64              Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 ctk
  🟩 12.5               Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 cudacxx
  🟩 nvcc12.5           Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 cudacxx_family
  🟩 nvcc               Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 cxx
  🟩 GCC13              Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 cxx_family
  🟩 GCC                Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 gpu
  🟩 v100               Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s
🟩 jobs
  🟩 Test               Pass: 100%/1   | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s

👃 Inspect Changes

Modifications in project?

	Project
	CCCL Infrastructure
+/-	libcu++
	CUB
	Thrust
+/-	CUDA Experimental
	pycuda

Modifications in project or dependencies?

	Project
	CCCL Infrastructure
+/-	libcu++
+/-	CUB
+/-	Thrust
+/-	CUDA Experimental
+/-	pycuda

🏃‍ Runner counts (total jobs: 417)

#	Runner
305	`linux-amd64-cpu16`
61	`linux-amd64-gpu-v100-latest-1`
28	`linux-arm64-cpu16`
23	`windows-amd64-cpu16`

cudax/include/cuda/experimental/__stream/stream.cuh

…2093) * construct with a stream_ref and record the event on construction --------- Co-authored-by: Eric Niebler <[email protected]>

ericniebler and others added 4 commits July 26, 2024 14:43

construct with a stream_ref and record the event on construction

f152614

Fix formatting

6932a12

Add event testing

c6ffbb7

Add some nodiscards

323aa7c

pciolkosz requested review from a team as code owners July 28, 2024 19:47

pciolkosz requested review from wmaxey and bernhardmgruber July 28, 2024 19:47

Fix discarding release return value

11784c0

pciolkosz requested a review from ericniebler July 28, 2024 21:58

miscco reviewed Jul 29, 2024

View reviewed changes

bernhardmgruber reviewed Jul 29, 2024

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pciolkosz added 5 commits July 29, 2024 09:19

Merge branch 'main' into 2036-add-stream-abstraction

b1095c0

Review feedback

8f353ed

Fix formatting

6d86314

Add missing endif comments

1d695fe

One more format fix

113e29f

miscco reviewed Jul 29, 2024

View reviewed changes

cudax/include/cuda/experimental/__stream/stream.cuh Show resolved Hide resolved

miscco reviewed Jul 29, 2024

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jrhemstad reviewed Jul 29, 2024

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ericniebler reviewed Jul 29, 2024

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Fix extra const and nullptr stream

0cf3c9b

ericniebler linked an issue Jul 29, 2024 that may be closed by this pull request

add a way to associate a stream with a device #2101

Closed

miscco approved these changes Jul 30, 2024

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cudax/include/cuda/experimental/__stream/stream.cuh Show resolved Hide resolved

miscco merged commit 15e2ce0 into NVIDIA:main Jul 30, 2024
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pciolkosz linked an issue Jul 30, 2024 that may be closed by this pull request

Add stream abstraction #2036

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[CUDAX] Add experimental owning abstraction for cudaStream_t #2093

[CUDAX] Add experimental owning abstraction for cudaStream_t #2093

pciolkosz commented Jul 28, 2024

github-actions bot commented Jul 28, 2024

🟨 cub: Pass: 99%/131 | Total: 1d 00h | Avg: 11m 25s | Max: 1h 19m | Hits: 99%/110257

🟩 thrust: Pass: 100%/118 | Total: 11h 17m | Avg: 5m 44s | Max: 30m 55s | Hits: 99%/138912

🟩 libcudacxx: Pass: 100%/112 | Total: 11h 46m | Avg: 6m 18s | Max: 26m 15s | Hits: 96%/273250

🟩 cudax: Pass: 100%/55 | Total: 2h 25m | Avg: 2m 38s | Max: 6m 59s | Hits: 90%/2133

🟩 pycuda: Pass: 100%/1 | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s

👃 Inspect Changes

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Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 417)

miscco Jul 29, 2024

pciolkosz Jul 29, 2024

griwes Jul 29, 2024

miscco Jul 29, 2024

pciolkosz Jul 29, 2024

bernhardmgruber Jul 29, 2024

pciolkosz Jul 29, 2024

miscco Jul 29, 2024

miscco Jul 29, 2024

jrhemstad left a comment •

edited

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ericniebler Jul 29, 2024

pciolkosz Jul 29, 2024

github-actions bot commented Jul 30, 2024

🟩 cub: Pass: 100%/131 | Total: 19h 36m | Avg: 8m 58s | Max: 37m 49s | Hits: 99%/111124

🟩 thrust: Pass: 100%/118 | Total: 10h 57m | Avg: 5m 34s | Max: 32m 13s | Hits: 99%/138912

🟩 libcudacxx: Pass: 100%/112 | Total: 11h 18m | Avg: 6m 03s | Max: 20m 34s | Hits: 97%/273250

🟩 cudax: Pass: 100%/55 | Total: 2h 27m | Avg: 2m 40s | Max: 6m 36s | Hits: 73%/2133

🟩 pycuda: Pass: 100%/1 | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s

👃 Inspect Changes

Modifications in project?

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🏃‍ Runner counts (total jobs: 417)

	explicit stream(device __dev, int __priority)
	explicit stream(const device __dev, const int __priority)

[CUDAX] Add experimental owning abstraction for cudaStream_t #2093

[CUDAX] Add experimental owning abstraction for cudaStream_t #2093

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pciolkosz commented Jul 28, 2024

github-actions bot commented Jul 28, 2024

🟨 cub: Pass: 99%/131 | Total: 1d 00h | Avg: 11m 25s | Max: 1h 19m | Hits: 99%/110257

🟩 thrust: Pass: 100%/118 | Total: 11h 17m | Avg: 5m 44s | Max: 30m 55s | Hits: 99%/138912

🟩 libcudacxx: Pass: 100%/112 | Total: 11h 46m | Avg: 6m 18s | Max: 26m 15s | Hits: 96%/273250

🟩 cudax: Pass: 100%/55 | Total: 2h 25m | Avg: 2m 38s | Max: 6m 59s | Hits: 90%/2133

🟩 pycuda: Pass: 100%/1 | Total: 10m 28s | Avg: 10m 28s | Max: 10m 28s

👃 Inspect Changes

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Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 417)

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github-actions bot commented Jul 30, 2024

🟩 cub: Pass: 100%/131 | Total: 19h 36m | Avg: 8m 58s | Max: 37m 49s | Hits: 99%/111124

🟩 thrust: Pass: 100%/118 | Total: 10h 57m | Avg: 5m 34s | Max: 32m 13s | Hits: 99%/138912

🟩 libcudacxx: Pass: 100%/112 | Total: 11h 18m | Avg: 6m 03s | Max: 20m 34s | Hits: 97%/273250

🟩 cudax: Pass: 100%/55 | Total: 2h 27m | Avg: 2m 40s | Max: 6m 36s | Hits: 73%/2133

🟩 pycuda: Pass: 100%/1 | Total: 11m 30s | Avg: 11m 30s | Max: 11m 30s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 417)

jrhemstad left a comment •

edited

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