[Openmp-commits] [PATCH] D156387: [OpenMP][Docs] Added offloading command line reference to OpenMP FAQ
Jan-Patrick Lehr via Phabricator via Openmp-commits
openmp-commits at lists.llvm.org
Thu Jul 27 12:02:50 PDT 2023
jplehr added a comment.
Thanks for putting this together!
I had some minor comments.
================
Comment at: openmp/docs/SupportAndFAQ.rst:84
-- `LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=YY` where `YY` is the numeric compute capacity of your GPU, e.g., 75.
+- ``LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES=YY`` where ``YY`` is the numeric compute capacity of your GPU, e.g., 75.
----------------
I think this should be `capability`
================
Comment at: openmp/docs/SupportAndFAQ.rst:477-478
+""""""""""""""""""""""""""""""""""""""""""""""""""""
+Compile the target regions for the host only. All target regions will be
+compiled for both host and device if not specified.
+
----------------
Flip the flags or the sentences, so that the flags and their meaning are in the same order.
================
Comment at: openmp/docs/SupportAndFAQ.rst:482
+"""""""""""""""""""""""""
+Pass an argument to the offloading toolchain, for instance
+``-Xopenmp-target -march=sm_80``.
----------------
have in this and the next paragraph also "Pass an argument ``<arg>`` ... " as it is written further down.
================
Comment at: openmp/docs/SupportAndFAQ.rst:506
+"""""""""""""""""
+Enable ``full`` link time optimization on the device. This option is equivalent to
+``-foffload-lto=full``.
----------------
I assume LTO is not actually running on the device, so maybe rephrase to
... optimization for device code.
================
Comment at: openmp/docs/SupportAndFAQ.rst:527
+
+``--offload-new-driver``
+""""""""""""""""""""""""
----------------
Should be indicated which one is the default, i.e., old or new?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D156387/new/
https://reviews.llvm.org/D156387
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