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GET /api/1.0/patches/2175495/?format=api
{ "id": 2175495, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2175495/?format=api", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/1.0/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<1b9286461cc1b5980ffb5a025563f25872037e13.1766051058.git.fweimer@redhat.com>", "date": "2025-12-18T10:18:00", "name": "[3/3] malloc: Increase tcache fill count from 16 to 32", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "4666463a95e33e1be424aa028c775cf884f0389a", "submitter": { "id": 14312, "url": "http://patchwork.ozlabs.org/api/1.0/people/14312/?format=api", "name": "Florian Weimer", "email": "fweimer@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/1b9286461cc1b5980ffb5a025563f25872037e13.1766051058.git.fweimer@redhat.com/mbox/", "series": [ { "id": 485815, "url": "http://patchwork.ozlabs.org/api/1.0/series/485815/?format=api", "date": "2025-12-18T10:17:02", "name": "malloc: batched frees", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/485815/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2175495/checks/", "tags": {}, "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=Hb2ol3GU;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=38.145.34.32; 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Thu, 18 Dec 2025 10:18:03 +0000 (UTC)", "from fweimer-oldenburg.csb.redhat.com (unknown [10.44.33.94])\n by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with\n ESMTPS\n id EFF971956056\n for <libc-alpha@sourceware.org>; Thu, 18 Dec 2025 10:18:02 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 6EE7D4BA2E07", "OpenDKIM Filter v2.11.0 sourceware.org 8AA8E4BA2E2C" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 8AA8E4BA2E2C", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 8AA8E4BA2E2C", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1766053086; cv=none;\n b=wm7zXRajk+E7BfBn+HRBySmUrWVZXpa1CCKPfPqSqXwL222fjtJ7JirqvZvsWKpaqExuwvwEtcNMI7/ZPintAxBCcCh3Y1/YHNv7DHx6aYeqwbWhwWkWEW9ucuU/FSBOi+1SBD65rMKXk0XL6zmU85W7v0FYAR8o0vXolkAuruA=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1766053086; c=relaxed/simple;\n bh=pW8nw3UDBFZNPNoTcB3rYgy8G28DYE11saltrx2nEfs=;\n h=DKIM-Signature:From:To:Subject:Message-ID:Date:MIME-Version;\n b=BUnnonN7PFQP2KGpE4piBL//25knsy1stwV6wP4oKf+OjPeG+DFqtCY/DUYAEwHXrLJV382rIxz6yWAAjfVBXSzpljSZC5tgeB6B+J2ystjtCCPF3f4FvJ05oq0DMsxl02LeGSa4C8lO9EiyWv34Fuv0RQQz/CfZyjV5+nPKTFk=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1766053086;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=zqArtcsnw4dV1bS3jF8WuBA+IgCOslG7I0fS5sIU8z0=;\n b=Hb2ol3GUg8/FGq0oPfvZzVlmQIr60J3zt11yEFtxvyPsrSqjCmdbfLhTmB6rGVkTiq3WYO\n 3s3XE9iwLDPABezkaIIbq+h9tjfmc/8P3BZG8EkI4XlODkakbGvVMsdbMohlmDN8DHc3Ck\n mM0WC7/sMrJ4A8odPNYVz5lsulUV4TE=", "X-MC-Unique": "6_1wnPalNHW_T_nQ1dw9aQ-1", "X-Mimecast-MFC-AGG-ID": "6_1wnPalNHW_T_nQ1dw9aQ_1766053083", "From": "Florian Weimer <fweimer@redhat.com>", "To": "libc-alpha@sourceware.org", "Subject": "[PATCH 3/3] malloc: Increase tcache fill count from 16 to 32", "In-Reply-To": "<cover.1766051058.git.fweimer@redhat.com>", "Message-ID": "\n <1b9286461cc1b5980ffb5a025563f25872037e13.1766051058.git.fweimer@redhat.com>", "References": "<cover.1766051058.git.fweimer@redhat.com>", "X-From-Line": "1b9286461cc1b5980ffb5a025563f25872037e13 Mon Sep 17 00:00:00 2001", "Date": "Thu, 18 Dec 2025 11:18:00 +0100", "User-Agent": "Gnus/5.13 (Gnus v5.13)", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.17", "X-Mimecast-Spam-Score": "0", "X-Mimecast-MFC-PROC-ID": "0zjrmiek3pNA1Dy1lQ7oRPZSZLVhjNHND8kldYHklCY_1766053083", "X-Mimecast-Originator": "redhat.com", "Content-Type": "text/plain", "X-BeenThere": "libc-alpha@sourceware.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Libc-alpha mailing list <libc-alpha.sourceware.org>", "List-Unsubscribe": "<https://sourceware.org/mailman/options/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe>", "List-Archive": "<https://sourceware.org/pipermail/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-request@sourceware.org?subject=help>", "List-Subscribe": "<https://sourceware.org/mailman/listinfo/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=subscribe>", "Errors-To": "libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org" }, "content": "This avoids a regression in the omnetpp and xalancbmk benchmarks\nof SPEC. Apparently, these benchmarks are very sensitive to the\nfill rate in malloc.\n\nSuggested-by: Wilco Dijkstra <wilco.dijkstra@arm.com>\nTested-by: Wilco Dijkstra <wilco.dijkstra@arm.com>\n---\n malloc/malloc.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/malloc/malloc.c b/malloc/malloc.c\nindex d42f0183e3..d60a133a06 100644\n--- a/malloc/malloc.c\n+++ b/malloc/malloc.c\n@@ -314,7 +314,7 @@\n \n /* This is another arbitrary limit, which tunables can change. Each\n tcache bin will hold at most this number of chunks. */\n-# define TCACHE_FILL_COUNT 16\n+# define TCACHE_FILL_COUNT 32\n \n /* Maximum chunks in tcache bins for tunables. This value must fit the range\n of tcache->num_slots[] entries, else they may overflow. */\n", "prefixes": [ "3/3" ] }