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GET /api/1.1/patches/2220972/?format=api
{ "id": 2220972, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220972/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/c54fb9ba-b8eb-4552-a97c-3549875a63cc@baylibre.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.1/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<c54fb9ba-b8eb-4552-a97c-3549875a63cc@baylibre.com>", "date": "2026-04-08T14:12:41", "name": "[wwwdocs] gcc-16/changes.html - GCN: offload launch overhead reduced", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "24bba384fb3d9f7766492c8186f9514603407704", "submitter": { "id": 87873, "url": "http://patchwork.ozlabs.org/api/1.1/people/87873/?format=api", "name": "Tobias Burnus", "email": "tburnus@baylibre.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/c54fb9ba-b8eb-4552-a97c-3549875a63cc@baylibre.com/mbox/", "series": [ { "id": 499147, "url": "http://patchwork.ozlabs.org/api/1.1/series/499147/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=499147", "date": "2026-04-08T14:12:41", "name": "[wwwdocs] gcc-16/changes.html - GCN: offload launch overhead reduced", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499147/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220972/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220972/checks/", "tags": {}, "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=baylibre-com.20251104.gappssmtp.com\n header.i=@baylibre-com.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=CbHtRC9L;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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boundary=\"------------ffmtxrJWX9vNoivRRazgYddD\"", "Message-ID": "<c54fb9ba-b8eb-4552-a97c-3549875a63cc@baylibre.com>", "Date": "Wed, 8 Apr 2026 16:12:41 +0200", "MIME-Version": "1.0", "User-Agent": "Mozilla Thunderbird", "Content-Language": "en-US", "To": "gcc-patches <gcc-patches@gcc.gnu.org>, Andrew Stubbs <ams@baylibre.com>,\n\t=?utf-8?q?Arsen_Arsenovi=C4=87?= <aarsenovic@baylibre.com>", "From": "Tobias Burnus <tburnus@baylibre.com>", "Subject": "[wwwdocs] gcc-16/changes.html - GCN: offload launch overhead reduced", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "I am not quite sure where to put it - generic, OpenMP/OpenACC language,\nbut settled for AMD GPU.\nI am also not sure how to word it best, one wording variant is attached.\n\nComments - better suggestions?\nOK?\n\nTobias", "diff": "gcc-16/changes.html - GCN: offload launch overhead reduced\n\ndiff --git a/htdocs/gcc-16/changes.html b/htdocs/gcc-16/changes.html\nindex a921e805..500ab53a 100644\n--- a/htdocs/gcc-16/changes.html\n+++ b/htdocs/gcc-16/changes.html\n@@ -436,6 +436,8 @@ struct Affected : E\n <li>Experimental support for AMD Instinct MI300 (<code>gfx942</code>) devices\n has been added, including the generic <code>gfx9-4-generic</code> and\n mostly compatible <code>gfx950</code>.</li>\n+ <li>For offloading to AMD GPUs: The launch overhead of OpenMP target regions\n+ and OpenACC compute regions has been drastically reduced.</li>\n <li>By default, the following multilibs are now built: <code>gfx908</code>,\n <code>gfx90a</code>, <code>gfx9-generic</code>,\n <code>gfx9-4-generic</code>, <code>gfx10-3-generic</code>, and\n", "prefixes": [ "wwwdocs" ] }