[Bug libgomp/114335] New: OpenACC: use of accelerator constant/read-only memory for "readonly" modifier mappings

[chunglin.tang at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114335

Bug ID: 114335
   Summary: OpenACC: use of accelerator constant/read-only memory
for "readonly" modifier mappings
   Product: gcc
   Version: unknown
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: libgomp
  Assignee: unassigned at gcc dot gnu.org
  Reporter: chunglin.tang at gmail dot com
CC: jakub at gcc dot gnu.org
  Target Milestone: ---

The readonly modifier starting from OpenACC 2.7 likely is intended to be used
to utilize for example CUDA constant memory. This hasn't been implemented yet,
marking as enhancement TBD.

[Bug middle-end/111612] GCC twice as slow as Clang for minisweep (SPEC HPC 2021)

[chunglin.tang at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111612

Chung-Lin Tang  changed:

   What|Removed |Added

 CC||chunglin.tang at gmail dot com

--- Comment #1 from Chung-Lin Tang  ---
To clarify, the numbers here are using mainline, and not devel/omp/gcc-13 with
-fopenmp-target=acc, right?