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Task Team reduction on Pascal #767

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hcedwar opened this issue May 1, 2017 · 3 comments
Closed

Task Team reduction on Pascal #767

hcedwar opened this issue May 1, 2017 · 3 comments
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Bug Broken / incorrect code; it could be Kokkos' responsibility, or others’ (e.g., Trilinos) Compiler Issue An issue that Kokkos cannot / should not fix; Kokkos must communicate to relevant vendor
Milestone
2017-July-end

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@hcedwar
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hcedwar commented May 1, 2017 •
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The task team scheduling is not working properly on Pascal architecture
600 <= __CUDA_ARCH__ .
Demonstrated in core/unit_test/TestTaskScheduler.hpp by the TestTaskTeam unit test.
@hcedwar hcedwar added the Bug Broken / incorrect code; it could be Kokkos' responsibility, or others’ (e.g., Trilinos) label May 1, 2017
hcedwar added a commit that referenced this issue May 1, 2017
@hcedwar
Bypass Cuda Pascal TestTaskTeam unit test until bug can be resolved; …
24f3f5b 
…issue #767
@hcedwar
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hcedwar commented May 1, 2017

Hitting the nvcc/HW warp divergence bug on Pascal in the task scheduler

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hcedwar commented May 16, 2017

This may require CUDA 9 with new synchronizing-shuffle feature

@crtrott crtrott added the Compiler Issue An issue that Kokkos cannot / should not fix; Kokkos must communicate to relevant vendor label May 18, 2017
@hcedwar
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hcedwar commented Jun 20, 2017

Being worked in combination with #758

@ibaned ibaned mentioned this issue Jun 20, 2017
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hcedwar added a commit that referenced this issue Jun 20, 2017
@hcedwar
Merge pull request #901 from kokkos/task-dag
8242f14 
Enable heterogeneous dynamic task dag to work on Pascal GPU by fixing #758, #767, and #829
@hcedwar hcedwar added this to the 2017-June-end milestone Jun 26, 2017
@crtrott crtrott closed this as completed Jul 27, 2017
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Bug Broken / incorrect code; it could be Kokkos' responsibility, or others’ (e.g., Trilinos) Compiler Issue An issue that Kokkos cannot / should not fix; Kokkos must communicate to relevant vendor
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2017-July-end
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