From patchwork Wed May 10 00:33:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Noah Goldstein X-Patchwork-Id: 1779150 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=sourceware.org (client-ip=8.43.85.97; helo=sourceware.org; envelope-from=libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=TxgoHNe8; dkim-atps=neutral Received: from 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 (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4QGGK30ZDtz214S for ; Wed, 10 May 2023 10:35:35 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 78B003858C31 for ; Wed, 10 May 2023 00:35:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 78B003858C31 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1683678929; bh=UYaezltKb8zCfgeP6BwjotQsP8v/YthIByWie0z0Anw=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=TxgoHNe8PhP1jhb99G35Qt/S+rsIv+Sk9MrT1NyoqeIQHfhaKMotqJi/KkvQRB8WA o1lTEbz+X+mQMUhcV6k+9s+zfvhDnvKoBzD+owk4zSxM0HGuChCBrVwFHnIsfD2C13 E5zjFKIgBNxfnzf2Bnc/eFG3DrzF49Z1F6HjhCRw= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-oa1-x36.google.com (mail-oa1-x36.google.com [IPv6:2001:4860:4864:20::36]) by sourceware.org (Postfix) with ESMTPS id 6DA653857029 for ; Wed, 10 May 2023 00:34:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6DA653857029 Received: by mail-oa1-x36.google.com with SMTP id 586e51a60fabf-18f4a6d2822so41397808fac.1 for ; Tue, 09 May 2023 17:34:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683678886; x=1686270886; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UYaezltKb8zCfgeP6BwjotQsP8v/YthIByWie0z0Anw=; b=dau9F0V+EtgKqaP0skA/a+eQbCiP0bV9UdNIXDG65vs+6XP4BhV9R3gnJea/DdrSh7 CbXyGCaa4QBIqsXV1XLZViUoFZlb2thkQI7JKMvbMAJQVZzADRJedDnjm5w33DLh+ueo cI8cPKlCZLW8g7LftswGlR5mW6j8Ix+0X0hsQgjqXdK6EeB+EGTYGXKEzealmvATxHJt irlEn6K9f9jTqzz+bh72BhQnINrcf6jaZr8449K1wweh7QuxO+voX02qlXkHsfjFmwHG FnpPDPEMhxdrPkFVrzMGAsXhXn0oltsFn9MralJU1G7ysM5Hu0y5sOLon00ptim1u/be xmiw== X-Gm-Message-State: AC+VfDwoYRfGi3hiRdCw3anjN99pQmHgj7J1zuXaA813x58zfAglWBZT HaPwddr4aVlhAbyXDlFcMJQCFoMp0/8= X-Google-Smtp-Source: ACHHUZ6c6Y6+SX61+789Heyu/g6wdefHkKxtN5kboZWPlNWpxLiQRAB6xo/rEN8/fHPdUDmggb5ffw== X-Received: by 2002:aca:1111:0:b0:387:4229:c48f with SMTP id 17-20020aca1111000000b003874229c48fmr1880795oir.26.1683678886456; Tue, 09 May 2023 17:34:46 -0700 (PDT) Received: from noahgold-desk.lan (2603-8080-1301-76c6-4e19-fee9-c46d-d01a.res6.spectrum.com. [2603:8080:1301:76c6:4e19:fee9:c46d:d01a]) by smtp.gmail.com with ESMTPSA id y8-20020acae108000000b0038bb2f60064sm1776872oig.30.2023.05.09.17.34.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 17:34:45 -0700 (PDT) To: libc-alpha@sourceware.org Cc: goldstein.w.n@gmail.com, hjl.tools@gmail.com, carlos@systemhalted.org Subject: [PATCH v6 4/4] x86: Tune 'Saltwell' microarch the same was a 'Bonnell' Date: Tue, 9 May 2023 19:33:36 -0500 Message-Id: <20230510003336.637851-4-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230510003336.637851-1-goldstein.w.n@gmail.com> References: <20230424050329.1501348-1-goldstein.w.n@gmail.com> <20230510003336.637851-1-goldstein.w.n@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, 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: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Noah Goldstein via Libc-alpha From: Noah Goldstein Reply-To: Noah Goldstein Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" Saltwell is just a die shrink of Bonnell, so the same micro-architectural optimization preferences apply. --- sysdeps/x86/cpu-features.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 4cc1cd9fed..517b1be34c 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -678,7 +678,9 @@ init_cpu_features (struct cpu_features *cpu_features) break; /* Unaligned load versions are faster than SSSE3 - on Airmont, Silvermont, Goldmont, and Goldmont Plus. */ + on Saltwell, Airmont, Silvermont, Goldmont, and Goldmont + Plus. */ + case INTEL_ATOM_SALTWELL: case INTEL_ATOM_AIRMONT: case INTEL_ATOM_SILVERMONT: case INTEL_ATOM_GOLDMONT: @@ -710,7 +712,6 @@ init_cpu_features (struct cpu_features *cpu_features) /* Default tuned atom microarch. */ case INTEL_ATOM_SIERRAFOREST: case INTEL_ATOM_GRANDRIDGE: - case INTEL_ATOM_SALTWELL: goto default_tuning; /* Bigcore Tuning. */