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CUDA Warp Synchronization Problem

score 3065 · Answer 1 · 2011-02-23T23:30:41.140000

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CUDA Warp Synchronization Problem

3k views Asked by dmc At 23 February 2011 at 23:30

score 47 · Answer 2 · 2023-11-05T18:00:44.897000

On today's GPUs, can warps be recombined dynamically?

47 views Asked by Armin Rigo At 05 November 2023 at 18:00

score 3980 · Answer 3 · 2012-05-23T23:17:15.097000

Removing __syncthreads() in CUDA warp-level reduction

3.9k views Asked by small_potato At 23 May 2012 at 23:17

score 11299 · Answer 4 · 2012-08-05T13:22:20.280000

Why bother to know about CUDA Warps?

11.2k views Asked by Alex At 05 August 2012 at 13:22

score 645 · Answer 5 · 2022-03-22T18:41:50.587000

In CUDA, how can I get this warp's thread mask in conditionally executed code (in order to execute e.g., __shfl_sync or <cg>.shfl?

645 views Asked by sg_man At 22 March 2022 at 18:41

score 159 · Answer 6 · 2022-11-15T12:20:19.553000

Compute per-warp histogram without shared memory

159 views Asked by pem At 15 November 2022 at 12:20

score 662 · Answer 7 · 2015-08-19T16:55:09.953000

CUDA Warp Divergence

662 views Asked by Melenor At 19 August 2015 at 16:55

score 655 · Answer 8 · 2014-07-27T02:13:48.147000

Is CUDA warp scheduling deterministic?

655 views Asked by NothingMore At 27 July 2014 at 02:13

score 711 · Answer 9 · 2017-09-20T22:22:11.480000

CUDA kernel with single branch runs 1.5x faster than kernel without branch

711 views Asked by Stepan Tezyunichev At 20 September 2017 at 22:22

score 645 · Answer 10 · 2017-09-27T22:15:17.227000

Some intrinsics named with `_sync()` appended in CUDA 9; semantics same?

645 views Asked by einpoklum At 27 September 2017 at 22:15

score 259 · Answer 11 · 2021-10-16T14:23:05.947000

Pre 8.x equivalent of __reduce_max_sync() in CUDA

259 views Asked by Serge Rogatch At 16 October 2021 at 14:23

score 734 · Answer 12 · 2018-01-04T16:29:39.490000

Do modern nVIDIA GPUs perform sub-warp scheduling of work?

734 views Asked by einpoklum At 04 January 2018 at 16:29

score 1013 · Answer 13 · 2018-12-08T18:06:21.190000

OpenGL compute shader mapping to nVidia warps

1k views Asked by Danol At 08 December 2018 at 18:06

score 456 · Answer 14 · 2017-01-12T07:53:31.030000

Questions of resident warps of CUDA

456 views Asked by Falofter At 12 January 2017 at 07:53

score 342 · Answer 15 · 2017-02-09T11:25:02.123000

CUDA coalesced access of FP64 data

342 views Asked by AstrOne At 09 February 2017 at 11:25

score 5435 · Answer 16 · 2012-03-27T08:39:53.560000

How do nVIDIA CC 2.1 GPU warp schedulers issue 2 instructions at a time for a warp?

5.4k views Asked by Ashwin Nanjappa At 27 March 2012 at 08:39

score 4739 · Answer 17 · 2011-03-11T04:35:23.330000

Do the threads in a CUDA warp execute in parallel on a multiprocessor?

4.7k views Asked by kar At 11 March 2011 at 04:35

score 203 · Answer 18 · 2013-03-01T22:02:16.743000

CUDA warp / block finalization

203 views Asked by bubnikv At 01 March 2013 at 22:02

score 2306 · Answer 19 · 2013-03-07T08:57:51.560000

How does a GPU group threads into warps/wavefronts?

2.3k views Asked by user0002128 At 07 March 2013 at 08:57

score 437 · Answer 20 · 2015-07-23T17:58:38.267000

Branch based on the WARP ID

437 views Asked by AmirC At 23 July 2015 at 17:58

TechQA.

List Question

CUDA Warp Synchronization Problem

On today's GPUs, can warps be recombined dynamically?

Removing __syncthreads() in CUDA warp-level reduction

Why bother to know about CUDA Warps?

In CUDA, how can I get this warp's thread mask in conditionally executed code (in order to execute e.g., __shfl_sync or <cg>.shfl?

Compute per-warp histogram without shared memory

CUDA Warp Divergence

Is CUDA warp scheduling deterministic?

CUDA kernel with single branch runs 1.5x faster than kernel without branch

Some intrinsics named with `_sync()` appended in CUDA 9; semantics same?

Pre 8.x equivalent of __reduce_max_sync() in CUDA

Do modern nVIDIA GPUs perform sub-warp scheduling of work?

OpenGL compute shader mapping to nVidia warps

Questions of resident warps of CUDA

CUDA coalesced access of FP64 data

How do nVIDIA CC 2.1 GPU warp schedulers issue 2 instructions at a time for a warp?

Do the threads in a CUDA warp execute in parallel on a multiprocessor?

CUDA warp / block finalization

How does a GPU group threads into warps/wavefronts?

Branch based on the WARP ID

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