From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from [87.239.111.99] (localhost [127.0.0.1]) by dev.tarantool.org (Postfix) with ESMTP id 952AA6F3C7; Fri, 26 Mar 2021 14:32:07 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 dev.tarantool.org 952AA6F3C7 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tarantool.org; s=dev; t=1616758327; bh=ITl5n/tmyfZStHr6xRMf9zQpNnPypjRMq3bqvMyuNQw=; h=In-Reply-To:Date:References:To:Subject:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=vq7vvHJF0MfwAEq/D0h/uJHH+EfBi15WZM+XlMNyQ2p4XuZbZre76ZY1COuL2osq6 4x1Df2sEiGKSvjQOY9D9C3b7GHj18qZ9qJGDCB51+04MeoVLkOhQraIyV9kOPAd7S/ beYonLbmxCYexyg3CaxS7PCDYQvuFfG5fxTChNws= Received: from smtp29.i.mail.ru (smtp29.i.mail.ru [94.100.177.89]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dev.tarantool.org (Postfix) with ESMTPS id D12046F3C7 for ; Fri, 26 Mar 2021 14:32:06 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 dev.tarantool.org D12046F3C7 Received: by smtp29.i.mail.ru with esmtpa (envelope-from ) id 1lPkhC-0004Eh-6q; Fri, 26 Mar 2021 14:32:06 +0300 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) In-Reply-To: Date: Fri, 26 Mar 2021 14:32:04 +0300 Content-Transfer-Encoding: 7bit Message-Id: <7F5BE3DA-AC05-4E21-861D-23CE97DCDE4A@tarantool.org> References: To: Sergey Kaplun X-Mailer: Apple Mail (2.3654.60.0.2.21) X-7564579A: 646B95376F6C166E X-77F55803: 4F1203BC0FB41BD9064ADF4728AA0EE954173BE606B1EB548800CB16E8E806CE182A05F53808504060776512AECC1595DC58F1791F58E343ED0955EF9CB141B11CB15AA36CFDAEAC X-7FA49CB5: FF5795518A3D127A4AD6D5ED66289B5278DA827A17800CE7370DF012C2F9ACE3EA1F7E6F0F101C67BD4B6F7A4D31EC0BCC500DACC3FED6E28638F802B75D45FF8AA50765F790063748744D4CD6EC491D8638F802B75D45FF914D58D5BE9E6BC131B5C99E7648C95C5DD32608FC869F5D7924D6FA0F83AA4685BD59BC15E7CF89A471835C12D1D9774AD6D5ED66289B5278DA827A17800CE74601F13E4625331C9FA2833FD35BB23D2EF20D2F80756B5F868A13BD56FB6657A471835C12D1D977725E5C173C3A84C30942DC5495D0595E117882F4460429728AD0CFFFB425014E868A13BD56FB6657E2021AF6380DFAD1A18204E546F3947C0B7D0EA88DDEDAC722CA9DD8327EE4930A3850AC1BE2E73589424AA0EF8DE9BAC4224003CC83647689D4C264860C145E X-C1DE0DAB: 0D63561A33F958A5A2F58593A2A4B415AF5EEB926C1576EBC59DECC21CAE366CD59269BC5F550898D99A6476B3ADF6B47008B74DF8BB9EF7333BD3B22AA88B938A852937E12ACA7502E6951B79FF9A3F410CA545F18667F91A7EA1CDA0B5A7A0 X-C8649E89: 4E36BF7865823D7055A7F0CF078B5EC49A30900B95165D344EF254DC71474AA334FEAE8EF666041F079B9855FAFE255CE8109453ECF74073E1EC39EA715A27A91D7E09C32AA3244C7D5CBF1791F4C720CDA414A56E42F68B435BF7150578642FFACE5A9C96DEB163 X-D57D3AED: 3ZO7eAau8CL7WIMRKs4sN3D3tLDjz0dLbV79QFUyzQ2Ujvy7cMT6pYYqY16iZVKkSc3dCLJ7zSJH7+u4VD18S7Vl4ZUrpaVfd2+vE6kuoey4m4VkSEu530nj6fImhcD4MUrOEAnl0W826KZ9Q+tr5ycPtXkTV4k65bRjmOUUP8cvGozZ33TWg5HZplvhhXbhDGzqmQDTd6OAevLeAnq3Ra9uf7zvY2zzsIhlcp/Y7m53TZgf2aB4JOg4gkr2biojapPp7P/VpAiBxmAYz2BhHw== X-Mailru-Sender: 3B9A0136629DC912F4AABCEFC589C81EA55AA48D4715460E7C1BD0847C165734F19E0EACE16896D1AD07DD1419AC565FA614486B47F28B67C5E079CCF3B0523AED31B7EB2E253A9E112434F685709FCF0DA7A0AF5A3A8387 X-Mras: Ok Subject: Re: [Tarantool-patches] [PATCH v2 luajit 08/30] test: disable JIT for GC step counting tests X-BeenThere: tarantool-patches@dev.tarantool.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Tarantool development patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Sergey Ostanevich via Tarantool-patches Reply-To: Sergey Ostanevich Cc: tarantool-patches@dev.tarantool.org Errors-To: tarantool-patches-bounces@dev.tarantool.org Sender: "Tarantool-patches" LGTM. Sergos > On 26 Mar 2021, at 10:42, Sergey Kaplun wrote: > > JIT compilation can unpredictable allocate or reference objects (or > traces itself). So, the amount of GC steps can vary from run to run. > > This patch disables JIT machinery, if it is enabled, for stable GC > results. > > Part of tarantool/tarantool#5845 > Part of tarantool/tarantool#4473 > --- > test/PUC-Lua-5.1-tests/gc.lua | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/test/PUC-Lua-5.1-tests/gc.lua b/test/PUC-Lua-5.1-tests/gc.lua > index 86a9f75..072bbe9 100644 > --- a/test/PUC-Lua-5.1-tests/gc.lua > +++ b/test/PUC-Lua-5.1-tests/gc.lua > @@ -108,11 +108,21 @@ local function dosteps (siz) > return i > end > > +-- LuaJIT: JIT compilation can unpredictable allocate or reference > +-- objects (or traces itself). Disable it if necessary for > +-- this chunk for stable GC results. > +local jit_is_enabled = jit.status() > +if jit_is_enabled then > + jit.off() > +end > assert(dosteps(0) > 10) > assert(dosteps(6) < dosteps(2)) > assert(dosteps(10000) == 1) > assert(collectgarbage("step", 1000000) == true) > assert(collectgarbage("step", 1000000)) > +if jit_is_enabled then > + jit.on() > +end > > > do > -- > 2.31.0 >