From nobody Mon Oct 07 08:39:03 2024 X-Original-To: toolchain@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 4XMXcl5Yc1z5XXLh for ; Mon, 07 Oct 2024 08:39:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 "mxrelay.nyi.freebsd.org", Issuer "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XMXcl2rQwz3xkX for ; Mon, 7 Oct 2024 08:39:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1728290343; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cGWiVooo/WmWArT3u0Qg0rI/EQ3c+WsDyE+nqNJ7CJI=; b=LY0r7BoPv/iJxOsSv3Xh4ceF/TmRGbUWjpthe/6FiRZiD2IGrQCeWXMrPrqIX56gPbl+CW kUqMhCOdLpb/ha0LO3GLQ2Rj9tZG4nMfzmqgU6l9DJBZyjhwcB0q5zChUAIWG4LDJX8+lo YLnVYbzlRDyWk0gqJeO7Q0yuvmyUrPcV2vrl8CQE184/KqEp6Fl4IAp5VR3OYcFQKn9jCF pgKoiZVQkIdPpxjHufj+yPkv+9SAzrHL+zj8HKJyiqiyVRwBAvpP1YYsBzK+A2dRLoIavX /JH6dvcRRCGKbx5CHMkjJaeYaQ+dSgY9fkfFt6yisLV+JeZTBKeMus1WyPrAWg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1728290343; a=rsa-sha256; cv=none; b=AOigs1fKhNf0HqevbTlwpL7U/k39bhIFYp2AkyP6L3wjPveu2XkHayOv9xpic8/u6+sYAq c0eT6LND6YVaKz5b8PL8KErOGLU1w5iXhA4Wfw9vLUFk1mBhyG0J6QAcq5gT5R5hT9fzF6 XiAnF3h+FGzaPPD2+xxIHk62U6/1rP91bpxRtRjnyFbX54kwcr7bvU/N6hyBmOvIE0yrsZ PoZAkpcjZ2dfWRqq7x5LXMn1gjwMxeKL1hmoBzdpfIjbMUkJskuHII52BdoNE3SH/wdE9X SwWWJ5LFNp1YKua57iCQUJ5nPH5g8oSSVT5hb2MrRQ5yGUVxYt2/fWn/gFOgOA== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4XMXcl2JYyzfYJ for ; Mon, 7 Oct 2024 08:39:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 4978d3PN032220 for ; Mon, 7 Oct 2024 08:39:03 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 4978d31x032219 for toolchain@FreeBSD.org; Mon, 7 Oct 2024 08:39:03 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: toolchain@FreeBSD.org Subject: [Bug 281765] llvm - ThinLTO never uses more than a single thread by default Date: Mon, 07 Oct 2024 08:39:03 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 14.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dim@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: toolchain@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Maintenance of FreeBSD s integrated toolchain List-Archive: https://lists.freebsd.org/archives/freebsd-toolchain List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-toolchain@freebsd.org Sender: owner-freebsd-toolchain@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D281765 Dimitry Andric changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mjg@FreeBSD.org --- Comment #2 from Dimitry Andric --- This is due to src 04bab189b8a54974fcd9530140e4eed6ad137f48, which was originally submitted by mjg. The reason for this was that lld was using way= too many threads on many-core machines: nowadays just creating "hw.ncpu" thread= s is no longer a good default. That said, now that lld also has a limiter in place, we might want to drop = this patch, which is not really in the right spot, e.g. the general llvm support library in contrib/llvm-project/llvm/lib/Support/Threading.cpp. --=20 You are receiving this mail because: You are the assignee for the bug.=