From patchwork Fri Nov 24 16:20:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tobias Burnus X-Patchwork-Id: 1868238 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4ScKwL5mjsz1ySk for ; Sat, 25 Nov 2023 03:20:50 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 4C524385DC1D for ; Fri, 24 Nov 2023 16:20:45 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from esa2.mentor.iphmx.com (esa2.mentor.iphmx.com [68.232.141.98]) by sourceware.org (Postfix) with ESMTPS id 6FE1C385840E for ; Fri, 24 Nov 2023 16:20:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6FE1C385840E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=codesourcery.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=mentor.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 6FE1C385840E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=68.232.141.98 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700842835; cv=none; b=xoQ4J/j/7Y/qlVvQUW5eiHfKjqBkCm7cNZpGfBn7YcnMFmfrCeNHJf3WZ+c9pUTQIC7Buno+V0lBkIbtb24+f5r4fKlV/iLPToVPxbNCQuZr0YREpij3xWF3ew8ZkmanNOFB8GP31sic9j0iX0XGDw1Ha0iRuY1bZixnrJZOk7Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700842835; c=relaxed/simple; bh=Q4XrMrB/BGONlFcQaaHUQ1t3dWnrjlWDCXyKKx+WWsk=; h=Message-ID:Date:MIME-Version:To:From:Subject; b=KyI4//p71WQS/61lhwFbBa+6W8j/j74ao9LTnSZzu1y/jiCasrzwXr0OiJ+/uUXEdyfhxTbG560o4PGIu/9tTTJUQ/VGa28DIm2oSTFWhJH5LN+/HEZ6VanWJs/nc+Sl352Sh7WSHyMACHm1MbRxN87Q9Q75x8a/SQjwcy0AXEY= ARC-Authentication-Results: i=1; server2.sourceware.org X-CSE-ConnectionGUID: KKBg6B4DSGydmeQmkTpo1w== X-CSE-MsgGUID: ysRsOWkoRt+/ZFa5EJ62OA== X-IronPort-AV: E=Sophos;i="6.04,224,1695715200"; d="diff'?scan'208";a="26450277" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa2.mentor.iphmx.com with ESMTP; 24 Nov 2023 08:20:32 -0800 IronPort-SDR: x1/0RNJBJ3TIvGl3hqNz/QOTOHW73zu17pkC6HMWwg+5L4M67HURsjVlJGvQGyfenod/sXfnLU GULlamzB3v6G9jC4zlxdGBI2Zl7mtooXPQ1ll20ChubV8/bhQzgmbbaxmX+MuX2vkTM7QpqPkV XyfGEv1Xe8UKsS4U6gXPTeWVh8EQSU1l97ftsLKdllfttwc0omE6vJB2l9QG0qECkMcwbAceAP TgPegXoizh4iDWdTOJYC+M2MrMIjqskQRCXcMsSy/VaxXtf0NPzJEwGDkF+/LKFbQmAJEul3PG 1jg= Message-ID: <9a1b7f88-4c27-40d3-bf77-c8e13de6a13b@codesourcery.com> Date: Fri, 24 Nov 2023 17:20:27 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: gcc-patches , Andrew Stubbs , Gerald Pfeifer From: Tobias Burnus Subject: [wwwdocs][patch][GCN] gcc-14/changes.html: GCN - Mention improvements due to VGPR register use X-Originating-IP: [137.202.0.90] X-ClientProxiedBy: svr-ies-mbx-10.mgc.mentorg.com (139.181.222.10) To svr-ies-mbx-12.mgc.mentorg.com (139.181.222.12) X-Spam-Status: No, score=-11.3 required=5.0 tests=BAYES_00, GIT_PATCH_0, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org As in a set of benchmarks, an geometric-mean improvement of 9% (noise to 25%) was found, I think we should mention this improvement proudly. (Kudos goes to two Andrews - Jenner and Stubbs!) Current version: https://gcc.gnu.org/gcc-14/changes.html#amdgcn Comments? Tobias ----------------- Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstraße 201, 80634 München; Gesellschaft mit beschränkter Haftung; Geschäftsführer: Thomas Heurung, Frank Thürauf; Sitz der Gesellschaft: München; Registergericht München, HRB 106955 gcc-14/changes.html: GCN - Mention improvements due to VGPR register use diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index 455798d1..1fa74f9a 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -191,6 +211,8 @@

AMD Radeon (GCN)

    +
  • Improved register usage and, hence, performance on CDNA Instinct MI100 + and MI200 series devices.
  • The default device architecture is now gfx900 (Vega).
  • Fiji (gfx803) device support is now deprecated and will be removed from