From nobody Fri Sep 5 22:27:07 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cJWDl6pZ2z66VZg for ; Fri, 05 Sep 2025 22:27:19 +0000 (UTC) (envelope-from eduardo@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cJWDl6F6xz3snq for ; Fri, 05 Sep 2025 22:27:19 +0000 (UTC) (envelope-from eduardo@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1757111239; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+VspQllLwpa2bo5N3/9whfwCPaQopHiQgTvaH238TvM=; b=WQqvrJahH48WmNSS9CIVdOXYYx54Z2K/s+tYB+B+FzgPpxeRIoOj92ZsIheNTDFPv3XXq2 J9rDOOJOLTC9xW1o5743ZX8JpOQddugoMQUltJZQgvXbqF8BVHr+BQNAV31FllVHbXEPfS VESqiKl8pVuiRiKfHzB4lgSQObOobsG5EMACDJ08UEDYlxfpwsUD9jw/Enq5NKkZOViD18 QMNIFKnPdaimzHgN4/En+KA0QD4MdPJQfCbpR19VnVordUGnj32AHPYVZTbnj3Hti6xST8 4LOXjJN8oAfTJBK24DwHtxMcok/cg5la53ooNwCO63Qxz7PRutPd/hFdSQyKlg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1757111239; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=+VspQllLwpa2bo5N3/9whfwCPaQopHiQgTvaH238TvM=; b=Av2l9fbTIKbFTmcDzMShYKbFlhkAXOY2DVKiINKULceXqvKe6xjnOazsPe9PzcD+feV98C gql5+uD+0H9hX9moWA8/s+bQ5Mk7sMQnw2vbpja2zelumA3SYhK4sAECFcamUwKUaqmJxC R8sPVna9Pp6xTMjbRSyhPdrIwyC8RmTwEM/axHJyTUKF6Wf0v2Vo1a3NMiOzzBnnxpbZ5a sAqiwp9UtjlRoEVNQXv9NOjYmzJnmjaNkNb/qiSC0i2ermuB5YiX72VW+NjV8fj6AJtpM6 IaDLfsIBhO8kDHpw2fZwsfIJCx+qrQ8tNf4wySfdOxZIN+vs/JK4vGWnJDcVIA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1757111239; a=rsa-sha256; cv=none; b=xUAsEfGEnUbvQUl0NW8UMLp2Q3aovp/ywLpeiNupBT9o2V3xtSIqA1wK1II9hbURS4kVs1 /2VdaHa4un+oYm+veaU7UKicUn9RZrxhCdX5ATjguYLHrJTP7fi79qQbUfiJUfyif5g//5 gpegWcVuvt766b2V4XDpVonWPMJRw8wASmJlhDC8qh6wW8eDLMR4BGcjyjBQUm61HWwBsU 4FZT+/YjOBt+4Fn4m8GA97azDjHf29h0q68VXA6fMmQXZWC8rcLC1t8k/g2zkVDmgruZ2B HBISP73xSuwb/vhE1bgdr5s+wUe1SSfCx6IRKGb1tIj4RUt20UOocWIOU5WXcA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from mail-qk1-f170.google.com (mail-qk1-f170.google.com [209.85.222.170]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "WR4" (verified OK)) (Authenticated sender: eduardo) by smtp.freebsd.org (Postfix) with ESMTPSA id 4cJWDl5VMTz1BM4 for ; Fri, 05 Sep 2025 22:27:19 +0000 (UTC) (envelope-from eduardo@freebsd.org) Received: by mail-qk1-f170.google.com with SMTP id af79cd13be357-80ad43a6ac9so30748385a.2 for ; Fri, 05 Sep 2025 15:27:19 -0700 (PDT) X-Forwarded-Encrypted: i=1; AJvYcCVtm8mNUaXU/xvHn8GfFOCdsOezLFWNVkf5L3PhXfCPqu4YgDMibvcU+4tcbVBCVYmgZ93jPnxv9DfeSQzDhPr6u71org==@freebsd.org X-Gm-Message-State: AOJu0Ywny+12gFvrxe8D+WDOmO8v/DRu8YeyQ0SZ4fb0G8Zwj6rdkPgK V6cIAvYEYpYyh6YGVjBLtUuDRl9XOwVuhOq+rj3thSGh7UYfmJfK3FcMvUcC+u/FUvANUXBnkhJ YdSMofWv/yVifDkW5lXRHCSZhgXlJKuI= X-Google-Smtp-Source: AGHT+IFI9WzDmIS846WBnkVYCNnOoeLgwmMGB9E168y2YFhwNQszQCeq4so2Ubuu4HmKdmsmxMCxsclvIFFYj9cNn4I= X-Received: by 2002:a05:622a:24f:b0:4b5:f066:13d0 with SMTP id d75a77b69052e-4b5f83da97fmr2418941cf.6.1757111239265; Fri, 05 Sep 2025 15:27:19 -0700 (PDT) List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 References: <202509052136.585La5mx020210@gitrepo.freebsd.org> <61bbeec6-6784-4c17-ac14-c1f5f5b68366@freebsd.org> In-Reply-To: <61bbeec6-6784-4c17-ac14-c1f5f5b68366@freebsd.org> From: Nuno Teixeira Date: Fri, 5 Sep 2025 23:27:07 +0100 X-Gmail-Original-Message-ID: X-Gm-Features: Ac12FXzGgAu79aDXQYposjeS0kcWj74T3YYknX0JI2Y40kH5jWflCuzbqQwvl-o Message-ID: Subject: Re: git: af60084978a4 - main - Add description for WITH_PTHREADS_ASSERTIONS To: Colin Percival Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Content-Type: multipart/alternative; boundary="0000000000003f5638063e155769" --0000000000003f5638063e155769 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks for the hint, I missed 642cd511028b . Think I'm good now: /etc/src.conf WITH_MALLOC_PRODUCTION=3Dyes WITHOUT_LLVM_ASSERTIONS=3Dyes WITHOUT_PTHREADS_ASSERTIONS=3Dyes Cheers! Colin Percival escreveu (sexta, 5/09/2025 =C3=A0(s) 23:07): > On 9/5/25 14:57, Nuno Teixeira wrote: > > For people that turn off debug on main, should WITH_PTHREADS_ASSERTIONS > be > > turned off? > > > > e.g. > > /etc/src.conf: > > WITH_MALLOC_PRODUCTION=3Dyes > > WITHOUT_LLVM_ASSERTIONS=3Dyes > > According to commit 642cd511028b running WITHOUT_PTHREADS_ASSERTIONS > improves > mutex performance by 5-18%. So yes if you want maximal performance on HE= AD > you should probably turn this off. > > Colin Percival --0000000000003f5638063e155769 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks for the hint, I missed=C2=A0642cd511028b .

Think I'm good now:

/etc= /src.conf
WITH_MALLOC_PRODUCTION=3Dyes
WITHOUT_LLVM_ASSERTIONS= =3Dyes
WITHOUT_PTHREADS_ASSERTIONS=3Dyes

Cheers!


Colin Percival <= cperciva@freebsd.org> escrev= eu (sexta, 5/09/2025 =C3=A0(s) 23:07):
On 9/5/25 14:57, Nuno Teixeira wrote:
> For people that turn off debug on main, should=C2=A0WITH_PTHREADS_ASSE= RTIONS be
> turned off?
>
> e.g.
> /etc/src.conf:
> WITH_MALLOC_PRODUCTION=3Dyes
> WITHOUT_LLVM_ASSERTIONS=3Dyes

According to commit 642cd511028b running WITHOUT_PTHREADS_ASSERTIONS improv= es
mutex performance by 5-18%.=C2=A0 So yes if you want maximal performance on= HEAD
you should probably turn this off.

Colin Percival
--0000000000003f5638063e155769--