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- From: Samuel Thibault <samuel.thibault@inria.fr>
- To: Philippe SWARTVAGHER <philippe.swartvagher@inria.fr>
- Cc: starpu-devel@lists.gforge.inria.fr, Alexandre Denis <alexandre.denis@inria.fr>
- Subject: Re: [Starpu-devel] StarPU overhead for MPI
- Date: Fri, 7 Feb 2020 13:50:52 +0100
- List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel/>
- List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>
- Organization: I am not organized
Hello,
I pushed to master an optimization (which was TODO for something like a
decade) that avoids this part of the backtrace:
Philippe SWARTVAGHER, le mer. 05 févr. 2020 14:55:27 +0100, a ecrit:
> #8 starpu_data_acquire_cb_pre_sync_callback (arg=0x5555556e29d0)
> at ../../src/datawizard/user_interactions.c:174
> #9 0x00007ffff7e5c919 in _starpu_handle_job_termination (
> j=j@entry=0x55555573f7b0) at ../../src/core/jobs.c:446
> #10 0x00007ffff7e9487c in _starpu_repush_task ()
> at ../../src/core/sched_policy.c:523
> #11 0x00007ffff7e94e18 in _starpu_push_task (j=j@entry=0x55555573f7b0)
> at ../../src/core/sched_policy.c:428
> #12 0x00007ffff7e5d6b0 in _starpu_enforce_deps_and_schedule (
> j=j@entry=0x55555573f7b0) at ../../src/core/jobs.c:653
> #13 0x00007ffff7e602a6 in _starpu_submit_job (j=j@entry=0x55555573f7b0,
> nodeps=nodeps@entry=0) at ../../src/core/task.c:575
> #14 0x00007ffff7e62c4c in _starpu_task_submit () at
> ../../src/core/task.c:957
> #15 0x00007ffff7e63357 in starpu_task_submit (task=<optimized out>)
> at ../../src/core/task.c:978
> #16 0x00007ffff7e63385 in _starpu_task_submit_internally (task=<optimized
> out>)
> at ../../src/core/task.c:985
> #17 0x00007ffff7ed7005 in
> starpu_data_acquire_on_node_cb_sequential_consistency_sync_jobids
Samuel
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 05/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 07/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 12/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 12/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 13/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 12/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 12/02/2020
- <Suite(s) possible(s)>
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 05/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 05/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 07/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Philippe SWARTVAGHER, 05/02/2020
- Re: [Starpu-devel] StarPU overhead for MPI, Samuel Thibault, 07/02/2020
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