https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #18 from CVS Commits ---
The master branch has been updated by Chung-Lin Tang :
https://gcc.gnu.org/g:fdc7469cf597ec11229ddfc3e9c7a06f3d0fba9d
commit r13-4832-gfdc7469cf597ec11229ddfc3e9c7a06f3d0fba9d
Author: Chung-Lin Tang
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #17 from Tom de Vries ---
(In reply to Thomas Schwinge from comment #14)
> > That's with a Nvidia Tesla K20c GPU, Driver Version: 346.46.
> > As that version is "a bit old", I shall first update this, before we spend
> > any further t
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #16 from Jakub Jelinek ---
(In reply to Tobias Burnus from comment #15)
> Besides the post-commit comment by Thomas (last comment before mine; comment
> 14),
> there is another issue:
> The commit causes for SPEC HPC2021's 521.miniswp
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #15 from Tobias Burnus ---
Besides the post-commit comment by Thomas (last comment before mine; comment
14),
there is another issue:
The commit causes for SPEC HPC2021's 521.miniswp_t (OpenMP) 400% slowdown.
The question is whether w
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #14 from Thomas Schwinge ---
Regarding my previous report that after
commit r12-7332-g5ed77fb3ed1ee0289a0ec9499ef52b99b39421f1
"[libgomp, nvptx] Fix hang in gomp_team_barrier_wait_end"...
(In reply to Thomas Schwinge from comment #13
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #13 from Thomas Schwinge ---
Thanks -- I'm confirming:
PASS: libgomp.c/../libgomp.c-c++-common/task-detach-6.c (test for excess
errors)
[-XFAIL:-]{+PASS:+} libgomp.c/../libgomp.c-c++-common/task-detach-6.c
execution test
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
Tom de Vries changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #11 from CVS Commits ---
The master branch has been updated by Tom de Vries :
https://gcc.gnu.org/g:5ed77fb3ed1ee0289a0ec9499ef52b99b39421f1
commit r12-7332-g5ed77fb3ed1ee0289a0ec9499ef52b99b39421f1
Author: Tom de Vries
Date: Tue
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #10 from Tom de Vries ---
Patch posted: https://gcc.gnu.org/pipermail/gcc-patches/2021-April/568295.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #9 from Tom de Vries ---
(In reply to Tom de Vries from comment #8)
> This fixes the hang:
This is a less intrusive solution, and is easier to transplant into
gomp_team_barrier_wait_cancel_end:
...
diff --git a/libgomp/config/nvptx/b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #8 from Tom de Vries ---
This fixes the hang:
...
@@ -91,14 +129,16 @@ gomp_team_barrier_wait_end (gomp_barrier_t *bar,
gomp_barrier_state_t state)
{
gomp_barrier_handle_tasks (state);
state &= ~BAR_WAS_LAS
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #7 from Tom de Vries ---
Created attachment 50627
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50627&action=edit
debug patch
A bit more analysis.
I'm working with this example, with an actual task to be able to perform a
che
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
Tom de Vries changed:
What|Removed |Added
CC||amonakov at gcc dot gnu.org
--- Comment #
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #5 from CVS Commits ---
The master branch has been updated by Thomas Schwinge :
https://gcc.gnu.org/g:4dd9e1c541e0eb921d62c8652c854b1259e56aac
commit r11-8189-g4dd9e1c541e0eb921d62c8652c854b1259e56aac
Author: Thomas Schwinge
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #4 from Tom de Vries ---
Investigated using cuda-gdb.
After typing ^c, we investigate the state:
...
(cuda-gdb) info cuda kernels
Kernel Parent Dev Grid Status SMs Mask GridDim BlockDim Invocation
* 0 - 01 Active
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #3 from CVS Commits ---
The master branch has been updated by Tobias Burnus :
https://gcc.gnu.org/g:d579e2e76f9469e1b386d693af57c5c4f0ede410
commit r11-7886-gd579e2e76f9469e1b386d693af57c5c4f0ede410
Author: Tobias Burnus
Date: Mo
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #2 from CVS Commits ---
The master branch has been updated by Thomas Schwinge :
https://gcc.gnu.org/g:d99111fd8e12deffdd9a965ce17e8a760d531ec3
commit r11-7824-gd99111fd8e12deffdd9a965ce17e8a760d531ec3
Author: Thomas Schwinge
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99555
--- Comment #1 from Tom de Vries ---
I see this as well:
...
PASS: libgomp.c/../libgomp.c-c++-common/task-detach-6.c (test for excess
errors)
WARNING: program timed out.
...
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