From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1534) id 58DBB3858426; Wed, 10 Jan 2024 08:12:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 58DBB3858426 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1704874353; bh=0fbxyqSUP7fWCwscMNhhC1Qb9HS3r4D4Kk/WtSebdJk=; h=To:Subject:Date:From:From; b=TxdKNQV/9I+FsOsniqxUClzZte2VAxqj/v4V+fTlVfddglSp2EvnMorkHo2fzvpoU TKeeuvVXqtdquhF3ituWOGqmvuCzJnszRZzNuKmTXZOpZvzV9LABMHmYZ8Y2bKhKS5 WqNGTHn4ReJdwRR4M++XCEkGlg3wVREtmQqHaRsU= To: gcc-cvs-wwwdocs@gcc.gnu.org Subject: gcc-wwwdocs branch master updated. 31e3c804b41bf457546e0d16332379192fc57218 X-Git-Refname: refs/heads/master X-Git-Reftype: branch X-Git-Oldrev: 5ab74dd64c5892b42d0ac0cb9a468882df224845 X-Git-Newrev: 31e3c804b41bf457546e0d16332379192fc57218 Message-Id: <20240110081233.58DBB3858426@sourceware.org> Date: Wed, 10 Jan 2024 08:12:33 +0000 (GMT) From: Tobias Burnus List-Id: This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "gcc-wwwdocs". The branch, master has been updated via 31e3c804b41bf457546e0d16332379192fc57218 (commit) from 5ab74dd64c5892b42d0ac0cb9a468882df224845 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- commit 31e3c804b41bf457546e0d16332379192fc57218 Author: Tobias Burnus Date: Wed Jan 10 09:12:03 2024 +0100 gcc-14/changes.html: OpenMP - improve wording This is mostly some shifting of items in bullet points to make it more organized; it also improved the wording a bit. And there is one new feature: the optimization for omp_target_memcpy_rect is now also done for AMD GPUs and not only for nvptx. diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index e3a68998..2c64cf67 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -49,14 +49,24 @@ a work-in-progress.

  • OpenMP
      +
    • + The GNU Offloading and + Multi Processing Runtime Library Manual has been updated and extended, + improving especially the description of ICVs, memory allocation, environment variables and OpenMP + routines. +
    • The requires directive's unified_address requirement is now fulfilled by both AMD GCN and nvptx devices. AMD GCN and nvptx devices now support low-latency allocators as detailed in the manual. Initial support for pinned-memory - allocators has been added (as detailed in the manual) + allocators has been added and, on Linux, + libnuma is now used + for allocators requesting the nearest-partition trait (both is described + in the memory allocation section of the manual).
    • OpenMP 5.0: The allocate directive is now supported for stack variables in C and Fortran, including the OpenMP 5.1 @@ -74,8 +84,8 @@ a work-in-progress.

      using present as map-type modifier and in defaultmap. The indirect clause is now supported for C and C++. The performance of copying strided data from or to nvptx - devices using the OpenMP 5.1 routine omp_target_memcpy_rect - has been improved. + and AMD GPU devices using the OpenMP 5.1 routine + omp_target_memcpy_rect has been improved.
    • OpenMP 5.2: The OMP_TARGET_OFFLOAD=mandatory handling has @@ -83,23 +93,14 @@ a work-in-progress.

      For Fortran, the list of directives permitted in Fortran pure procedures was extended. Additionally, the spec change has been implemented for default implicit mapping of C/C++ pointers pointing to unmapped storage. - The destroy now optionally accepts the depend object as - argument. + The destroy clause now optionally accepts the depend object + as argument.
    • OpenMP 6.0 preview (TR11/TR12): The decl attribute is now supported in C++ 11 and the directive, sequence and decl attributes are now supported in C 23.
      • -
    • - The GNU Offloading and - Multi Processing Runtime Library Manual has been updated and extended, - improving especially the description of ICVs, memory allocation, environment variables and OpenMP - routines. On Linux, libnuma - is now used for allocators requesting the nearest-partition trait as - detailed in the manual. -
  • OpenACC ----------------------------------------------------------------------- Summary of changes: htdocs/gcc-14/changes.html | 31 ++++++++++++++++--------------- 1 file changed, 16 insertions(+), 15 deletions(-) hooks/post-receive -- gcc-wwwdocs