From: Hafiz Abid Qadeer <abidh@codesourcery.com>
To: <gcc-patches@gcc.gnu.org>, <fortran@gcc.gnu.org>
Cc: <jakub@redhat.com>, <ams@codesourcery.com>, <joseph@codesourcery.com>
Subject: [PATCH 0/5] openmp: Handle pinned and unified shared memory.
Date: Tue, 8 Mar 2022 11:30:54 +0000 [thread overview]
Message-ID: <20220308113059.688551-1-abidh@codesourcery.com> (raw)
This patch series add support for unified shared memory (USM) and pinned
memory. The support in libgomp is for nvptx offloading only. A new
command line option -foffload-memory allows user to choose either USM
or pinned memory. The USM can also be enabled using requires construct.
When USM us in use, calls to memory allocation function like malloc are
changed to omp_alloc with appropriate allocator. No transformations are
required for the pinned memory which is implemented using mlockall so is
only available on Linux.
Andrew Stubbs (4):
openmp: Add -foffload-memory
openmp: allow requires unified_shared_memory
openmp, nvptx: ompx_unified_shared_mem_alloc
openmp: -foffload-memory=pinned
Hafiz Abid Qadeer (1):
openmp: Use libgomp memory allocation functions with unified shared
memory.
gcc/c/c-parser.cc | 13 +-
gcc/common.opt | 16 ++
gcc/coretypes.h | 7 +
gcc/cp/parser.cc | 13 +-
gcc/doc/invoke.texi | 16 +-
gcc/fortran/openmp.cc | 10 +-
gcc/omp-low.cc | 220 ++++++++++++++++++
gcc/passes.def | 1 +
.../c-c++-common/gomp/alloc-pinned-1.c | 28 +++
gcc/testsuite/c-c++-common/gomp/usm-1.c | 4 +
gcc/testsuite/c-c++-common/gomp/usm-2.c | 34 +++
gcc/testsuite/c-c++-common/gomp/usm-3.c | 32 +++
gcc/testsuite/g++.dg/gomp/usm-1.C | 32 +++
gcc/testsuite/g++.dg/gomp/usm-2.C | 30 +++
gcc/testsuite/g++.dg/gomp/usm-3.C | 38 +++
gcc/testsuite/gfortran.dg/gomp/usm-1.f90 | 6 +
gcc/testsuite/gfortran.dg/gomp/usm-2.f90 | 16 ++
gcc/testsuite/gfortran.dg/gomp/usm-3.f90 | 13 ++
gcc/tree-pass.h | 1 +
libgomp/allocator.c | 13 +-
libgomp/config/linux/allocator.c | 70 ++++--
libgomp/config/nvptx/allocator.c | 6 +
libgomp/libgomp-plugin.h | 3 +
libgomp/libgomp.h | 6 +
libgomp/libgomp.map | 5 +
libgomp/omp.h.in | 4 +
libgomp/omp_lib.f90.in | 8 +
libgomp/plugin/plugin-nvptx.c | 45 +++-
libgomp/target.c | 70 ++++++
libgomp/testsuite/libgomp.c++/usm-1.C | 54 +++++
libgomp/testsuite/libgomp.c/alloc-pinned-7.c | 66 ++++++
libgomp/testsuite/libgomp.c/usm-1.c | 24 ++
libgomp/testsuite/libgomp.c/usm-2.c | 32 +++
libgomp/testsuite/libgomp.c/usm-3.c | 35 +++
libgomp/testsuite/libgomp.c/usm-4.c | 36 +++
libgomp/testsuite/libgomp.c/usm-5.c | 28 +++
libgomp/testsuite/libgomp.c/usm-6.c | 70 ++++++
37 files changed, 1075 insertions(+), 30 deletions(-)
create mode 100644 gcc/testsuite/c-c++-common/gomp/alloc-pinned-1.c
create mode 100644 gcc/testsuite/c-c++-common/gomp/usm-1.c
create mode 100644 gcc/testsuite/c-c++-common/gomp/usm-2.c
create mode 100644 gcc/testsuite/c-c++-common/gomp/usm-3.c
create mode 100644 gcc/testsuite/g++.dg/gomp/usm-1.C
create mode 100644 gcc/testsuite/g++.dg/gomp/usm-2.C
create mode 100644 gcc/testsuite/g++.dg/gomp/usm-3.C
create mode 100644 gcc/testsuite/gfortran.dg/gomp/usm-1.f90
create mode 100644 gcc/testsuite/gfortran.dg/gomp/usm-2.f90
create mode 100644 gcc/testsuite/gfortran.dg/gomp/usm-3.f90
create mode 100644 libgomp/testsuite/libgomp.c++/usm-1.C
create mode 100644 libgomp/testsuite/libgomp.c/alloc-pinned-7.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-1.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-2.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-3.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-4.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-5.c
create mode 100644 libgomp/testsuite/libgomp.c/usm-6.c
--
2.25.1
next reply other threads:[~2022-03-08 11:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-08 11:30 Hafiz Abid Qadeer [this message]
2022-03-08 11:30 ` [PATCH 1/5] openmp: Add -foffload-memory Hafiz Abid Qadeer
2022-03-08 11:30 ` [PATCH 2/5] openmp: allow requires unified_shared_memory Hafiz Abid Qadeer
2022-03-08 11:30 ` [PATCH 3/5] openmp, nvptx: ompx_unified_shared_mem_alloc Hafiz Abid Qadeer
2022-03-08 11:30 ` [PATCH 4/5] openmp: Use libgomp memory allocation functions with unified shared memory Hafiz Abid Qadeer
2022-04-02 12:04 ` Andrew Stubbs
2022-04-02 12:42 ` Andrew Stubbs
2022-03-08 11:30 ` [PATCH 5/5] openmp: -foffload-memory=pinned Hafiz Abid Qadeer
2022-03-30 22:40 ` Andrew Stubbs
2023-02-09 11:16 ` [og12] 'c-c++-common/gomp/alloc-pinned-1.c' -> 'libgomp.c-c++-common/alloc-pinned-1.c' (was: [PATCH 5/5] openmp: -foffload-memory=pinned) Thomas Schwinge
2022-04-13 13:14 ` [PATCH 0/5] openmp: Handle pinned and unified shared memory Andrew Stubbs
2022-04-20 13:25 ` [PATCH] openmp: Handle unified address memory Andrew Stubbs
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220308113059.688551-1-abidh@codesourcery.com \
--to=abidh@codesourcery.com \
--cc=ams@codesourcery.com \
--cc=fortran@gcc.gnu.org \
--cc=gcc-patches@gcc.gnu.org \
--cc=jakub@redhat.com \
--cc=joseph@codesourcery.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).