From patchwork Sun Feb 6 05:51:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Noah Goldstein X-Patchwork-Id: 50843 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 6D27D385802C for ; Sun, 6 Feb 2022 05:51:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6D27D385802C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1644126698; bh=hARKsBRhz2AmkwyzCPB0GWB7gJGWuZf9QD8bOoz+0uw=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=xLwVFrhOtdSV+dji30krg9RniNQpgeuDv0SpBYsLrn+NSeeM5ceg+ld7xG82uY2k5 hVhsWwjEkW7423e3bDOTYMbfvg0phidChXVJ77uDx+40vjWbd2WTuYTR56VWQHp3LQ QlhG5PcmlBAanuGkvTXBo2bAE7aL20cnTOK7inqg= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by sourceware.org (Postfix) with ESMTPS id 859983858423 for ; Sun, 6 Feb 2022 05:51:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 859983858423 Received: by mail-io1-xd2c.google.com with SMTP id q204so12780579iod.8 for ; Sat, 05 Feb 2022 21:51:17 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=hARKsBRhz2AmkwyzCPB0GWB7gJGWuZf9QD8bOoz+0uw=; b=fXENeeiGZl9LNDDbauJz66rnsTE2nLvqNv/C5tUZcz3xlM62yUXXRkdbdb4HwjkQRB VmpBRM8EBVVVXX897FvN077ApWhd8OmK5fWOC+plys8lW5R9q2WekD0CPXEuUjUlWAs1 i/IuavHDea+jJ47RpiUOUy0yfK0H2IU/fwo9mWRqsTPJsLUWVZR1yCZSB5QxdajvE41/ BegrVgPEGRDO+sEuZdqTQl8Iwe1WN7tMeIQD/ZThQu99MgnYhAb12I2sEOB2eIuMh/uL 9B3mLFKW0IA3hveEk1LmjHwUNNzZsMabQl4cA0MJFXdjOL3inQdLrABlBx4UtO+H9obA zM/Q== X-Gm-Message-State: AOAM533XvL01v6sBjq3T92v1mV3a0vqnUfdBLYcHNKiEEsO6nNkB9frG 8m7c6xF9GyQ9a33AJTC5L5aKhvJK++s= X-Google-Smtp-Source: ABdhPJwoCP3T8qQLAdtUUp7bjZ0svkxdy0BrqDM+xt6htIy4ai5RRgsROtLp8BSCeLC77D/N66aj0w== X-Received: by 2002:a02:7a56:: with SMTP id z22mr3049405jad.304.1644126676716; Sat, 05 Feb 2022 21:51:16 -0800 (PST) Received: from localhost.localdomain (node-17-161.flex.volo.net. [76.191.17.161]) by smtp.googlemail.com with ESMTPSA id x14sm3367395ilj.33.2022.02.05.21.51.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 05 Feb 2022 21:51:16 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH v1] Benchtests: Add length zero benchmark for memset in bench-memset.c Date: Sat, 5 Feb 2022 23:51:07 -0600 Message-Id: <20220206055107.4161051-1-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Spam-Status: No, score=-12.7 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=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Zero is a relevant size for some workloads (roughly 5% of uses for GCC) so we should be testing it's performance as well. Reviewed-by: H.J. Lu --- benchtests/bench-memset.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/benchtests/bench-memset.c b/benchtests/bench-memset.c index beba3fbe46..6f5b3d04a6 100644 --- a/benchtests/bench-memset.c +++ b/benchtests/bench-memset.c @@ -110,7 +110,7 @@ test_main (void) { for (i = 0; i < 18; ++i) do_test (&json_ctx, 0, c, 1 << i); - for (i = 1; i < 64; ++i) + for (i = 0; i < 64; ++i) { do_test (&json_ctx, i, c, i); do_test (&json_ctx, 4096 - i, c, i);