From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by sourceware.org (Postfix) with ESMTPS id 27BDA3858417 for ; Fri, 22 Mar 2024 16:57:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 27BDA3858417 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivosinc.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 27BDA3858417 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::629 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1711126632; cv=none; b=f5+Mjc5lWGxa3stDJ7TnGH8Wgnx1PDZB2bpXH7pHYCPMqJosNBYthslWpNyM+gVi8H2hFEQTkan1w4bhBe2CZj2mTNRgnE6c3qGRSjlwfNXjUC7J0KHkW/NGtOMGwFSz00oJXyGAY7Btp5Qi+zsgDl1ZvqKoXStWaFoRT23dQ8g= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1711126632; c=relaxed/simple; bh=MLMVFWSz9fbsBP2k2L7uBOi12XHsYviKKlcX0vhu3b0=; h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From; b=d/1Dd5X8W2PChRQ05jOCCr05TAq/TWHn5JDb+TsuTLYFfI0ibb0L0i5fuqCPFHWkEzNC3PyfDKSQFZ9AnFEfV/aNCm+pkowE9DIxyNAPehqxPlL1TxTLUZ6AsbAi4ttVSMCgwgC54pukaQ3L3Ae2XrJ5I/oQQYQsFi8kS/i/+o8= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1def142ae7bso20469235ad.3 for ; Fri, 22 Mar 2024 09:57:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1711126621; x=1711731421; darn=gcc.gnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=emsw/Ftct+6YI9wiQSZIdQ1iZL1itA6jhnhss81NBjk=; b=ce4U6AZjO19WcKLOF3QcvbYfAJkKjkwM9Lcdmx44vXLmXa3s3dsLLbutOCs70R/+8i TAC9eEkmFWXJ6RhhdmFeLADdPSCs70HXbx1ybbxQvMnCa9y41XsumwUSyIAdnr7e9PCL aKlra4Svyf8+x23xRlnPGSoL6ycO7dX/fkuTNsfRcZWP9xbrBTWooEuCI6HiLTJvAcMG OSu0qbkdxIsQLcViLnGJHSLu2lVO97YjLsklrw4QvxHgnqjEfiJsHacPBm0SP2qHO1J5 DPTxC4pl6Q796Leq7ANloSczI6zaCNaiIcS0btUNcc74u5g/CVe3qem9ZQpfEkLYS0c3 dYZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711126621; x=1711731421; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=emsw/Ftct+6YI9wiQSZIdQ1iZL1itA6jhnhss81NBjk=; b=r2nt9AQ+ouxPSkYWULqqPdDO6Xj/MCivUtE8c5u2mUp5gzxOxL3VNJ6Of132eJMOWq L5CbLzCu0QL8Kku8qZwFFHtstmtXteiKLSRRIY8iJJ8xIKoyRkUhabs2q+cmkyvDrirb kctvcCg2lxRao4odh83H1UsyT8mEP58Y4iwPc5A0KHcwHcxqcUbvEStrDpuuoPdZOxRt nk2Q9eBhSRMEm17QTRWTKy6AJaMbAgSjolU/BrrLw2u8bOKXWM6GLUHQcHc4mEPpFmEe f4/VT4Dc+1uRTfUUEanh2BXGdlfQwxOVzp2m4+x9NY3a3219eZLAZlnChzkSzCmrb8lo C2Uw== X-Gm-Message-State: AOJu0Yw+qRl7PWMW+6kuoF1p/YNRHJy0OlvmrMi4XOkM98Hmms9wIOsj VJSwwKzpjuoqe/aYt86N4C7++RRBoTZGor5nMYQ51FA3TW2eFHhqGrs8XTD0hsI= X-Google-Smtp-Source: AGHT+IGWb5UH3zWuSBcyWk9WS9NpVVXKwfz7/xuy7D4eygw+OJPiMORoFBOMHh1FxHN8UMUCaS6RiA== X-Received: by 2002:a17:903:298c:b0:1e0:923a:e717 with SMTP id lm12-20020a170903298c00b001e0923ae717mr347116plb.44.1711126621049; Fri, 22 Mar 2024 09:57:01 -0700 (PDT) Received: from [10.0.16.165] ([12.44.203.122]) by smtp.gmail.com with ESMTPSA id u10-20020a17090341ca00b001e00e36c27asm2155095ple.3.2024.03.22.09.57.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 22 Mar 2024 09:57:00 -0700 (PDT) Message-ID: <743e867d-056c-47cd-a977-b04be65f6a4c@rivosinc.com> Date: Fri, 22 Mar 2024 09:56:59 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: scheduler queue flush (was Re: [gcc-15 0/3] RISC-V improve stack/array access by constant mat tweak) Content-Language: en-US To: Jeff Law , Richard Biener Cc: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com, Palmer Dabbelt , gnu-toolchain@rivosinc.com, Robin Dapp References: <20240316173524.1147760-1-vineetg@rivosinc.com> <2acab452-4dc0-4782-aedf-8495d84d7374@rivosinc.com> <3faf0264-7b82-4574-bb45-df66d77421be@gmail.com> <899c3e8b-3d0e-48ee-99d7-6f5edfdbb59a@gmail.com> <4c91a6fe-a106-450c-b540-16cc46bff23d@gmail.com> From: Vineet Gupta In-Reply-To: <4c91a6fe-a106-450c-b540-16cc46bff23d@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 3/22/24 05:29, Jeff Law wrote: >> Another option is to enable -fsched-pressure which should help with >> this issue. > In theory we're already using that by default -- it's part of what makes > me so curious to understand what's going on. We are actually using it in practice :-) Its the default for RISC-V port since Aug of last year. -Vineet