Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t3cdg-00Df2X-US for pgsql-hackers@arkaria.postgresql.org; Wed, 23 Oct 2024 14:47:08 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1t3cde-00AWSa-8y for pgsql-hackers@arkaria.postgresql.org; Wed, 23 Oct 2024 14:47:06 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1t3cdd-00AWSM-Sl for pgsql-hackers@lists.postgresql.org; Wed, 23 Oct 2024 14:47:06 +0000 Received: from mail-il1-x134.google.com ([2607:f8b0:4864:20::134]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1t3cdX-002T3P-JI for pgsql-hackers@lists.postgresql.org; Wed, 23 Oct 2024 14:47:04 +0000 Received: by mail-il1-x134.google.com with SMTP id e9e14a558f8ab-3a4d2d028b3so5821085ab.1 for ; Wed, 23 Oct 2024 07:46:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729694819; x=1730299619; darn=lists.postgresql.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=z/ay41ySL1LlPCyQMNpwMbBIfjn4QY4J3LDNl2TH4ok=; b=UZl3FXG1jw/cUNnRFLYTRG/crq+dcAm670pApSXd49aCMf02EI1N4rnV0rV6oEpkOV ZBUTL77/j8WLw1kpTXcSwaFIqn7w/feNYTggHDxUBZ5wD9FNbIAY0Txnw5/UEqAwENb6 /4RSfwMgUIA/RCwu7qPsaSmOThfY0T12VtSgwHc4GvnHj6ML3AbH1ciDSFY5bABDDGHg 9dw6/BY/d4ZYm6xtOD9SjLe/3VDkgt9xltiDXxBrXiifeqkqktXvZKDJCx55z6gAsttX LBalEeQwE4lwlovqJqy84boRoU2NRo16Xb+8J+NAIZXShBLp7QzIrAkNmM7Yuu4umZOb 0YmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729694819; x=1730299619; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=z/ay41ySL1LlPCyQMNpwMbBIfjn4QY4J3LDNl2TH4ok=; b=pehMCz9qhuC3zqJVCch5Yni6/qlA8tH5PWhfn1avQO7ZnckWhYXv+rOjZsOKg/TX58 UXmZpO186G1xLlL7cbeMogaLQMhhKyTnh70ibT9W0XuOgKw9QXwUpI0G69ZO1Pr6imHF VOAzhs8p/9ivtJCUSPH0s/+GC1KWKUEfzqPIOfByokpZ+/gAWm0VyDEXuoHWoHi4xadp j2ZaUDOmynyatx4lQLX3uecB2QUkLCeND8Osgo4Vlpi+GjkXqRGBiiv+cLoK4IGV9AWM +sFa3UGrLWMtSGhtvE1LFppR7MgngFYAgE3H0ASTNFjzV74vLg1hS9gisSTPFVyzzWJq DNjg== X-Gm-Message-State: AOJu0YxanR2KlZmOK36D36tBa6rP+XSTc/IZAxZZ04TlpBAfKMOea/hl iypawfV0rYQc2X9JpIxehuWwNjGl9mlX0gilZ2WYZ2PkGRICbrix X-Google-Smtp-Source: AGHT+IHqwRTy4nFdJQAA2aMpIMabUj8GyLCbXRSkrdsthPNn9xJ/k7qeT4rAESk8KuWfIRE2SiAnpQ== X-Received: by 2002:a05:6e02:527:b0:3a3:449b:597b with SMTP id e9e14a558f8ab-3a4d59be106mr28044935ab.18.1729694818648; Wed, 23 Oct 2024 07:46:58 -0700 (PDT) Received: from nathan (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-3a400b7f421sm23853905ab.81.2024.10.23.07.46.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 07:46:57 -0700 (PDT) Date: Wed, 23 Oct 2024 09:46:56 -0500 From: Nathan Bossart To: Jingtang Zhang Cc: pgsql-hackers@lists.postgresql.org Subject: Re: use a non-locking initial test in TAS_SPIN on AArch64 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Wed, Oct 23, 2024 at 11:01:05AM +0800, Jingtang Zhang wrote: > The result looks great, but the discussion in [0] shows that the result may > vary among different ARM chips. Could you provide the chip model of this > test? So that we can do a cross validation of this patch. This is on a c8g.24xlarge, which is using Neoverse-V2 and Armv9.0-a [0]. > I'm willing to test it on Alibaba Cloud Yitian 710 if I have time. That would be great. I have a couple of Apple M-series machines I can test, too. [0] https://github.com/aws/aws-graviton-getting-started/blob/main/README.md#building-for-graviton -- nathan