From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 29 May 2018 23:29:47 +0300 From: "Dmitry V. Levin" To: ALT Devel discussion list Message-ID: <20180529202947.GA21295@altlinux.org> Mail-Followup-To: ALT Devel discussion list References: <20180529200325.GA8502@dad.imath.kiev.ua> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="KsGdsel6WgEHnImy" Content-Disposition: inline In-Reply-To: <20180529200325.GA8502@dad.imath.kiev.ua> Subject: Re: [devel] =?koi8-r?b?88LP0s/ezsnDwSAtINDSwdfJzNjO2cUgzsHT1NLPysvJ?= =?koi8-r?b?Lg==?= X-BeenThere: devel@lists.altlinux.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ALT Linux Team development discussions List-Id: ALT Linux Team development discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 May 2018 20:29:47 -0000 Archived-At: List-Archive: List-Post: --KsGdsel6WgEHnImy Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 29, 2018 at 11:03:25PM +0300, Igor Vlasenko wrote: > =F5=D7=C1=D6=C1=C5=CD=D9=C5 =CB=CF=CC=CC=C5=C7=C9, >=20 > =DE=D4=CF=C2=D9 =D0=D2=CF=C4=D7=C9=CE=D5=D4=D8=D3=D1 =D3 =CF=C2=CE=CF=D7= =CC=C5=CE=C9=C5=CD java > =CE=D5=D6=CE=C1 =D3=D2=CF=DE=CE=C1=D1 =D0=CF=CD=CF=DD=D8 =D3=CF =D3=C2=CF= =D2=DE=CE=C9=C3=C5=CA. >=20 > =EE=C1=DE=C1=CC =CF=C2=CE=CF=D7=CC=C5=CE=C9=C5 gradle. =FA=C1=CC=C9=CC = =C2=D5=D4=D3=D4=D2=C1=D0, > =C1 =D0=CF=CC=CE=CF=C3=C5=CE=CE=D9=CA gradle =CF=D4=D0=D2=C1=D7=C9=D4=D8 = =D7 =F3=C9=DA=C9=C6 =CE=C5 =CD=CF=C7=D5. > =EE=C1 =CC=CF=CB=C1=CC=D8=CE=CF=CA =CD=C1=DB=C9=CE=C5 gradle =D3=CF=C2=C9= =D2=C1=C5=D4=D3=D1. =EE=CF =D4=C1=CD 4 =D1=C4=D2=C1. >=20 > =EE=C1 =D3=C2=CF=D2=DE=CE=C9=C3=C5 =D6=C5, =CB=C1=CB =D0=D2=C5=C4=D0=CF= =CC=C1=C7=C1=C0, > 16 =C9=CC=C9 32 =D7=C9=D2=D4=D5=C1=CC=D8=CE=D9=C8 =D1=C4=D2=C1 =C9 =C4=C5= =C6=CF=CC=D4=CE=D9=CA > $ ulimit -u > 512 >=20 > =FE=C5=CD =DC=D4=CF =D0=CC=CF=C8=CF? =EE=C5=D0=D5=C7=C1=CE=CE=D9=C5 =C1= =D0=D3=D4=D2=C9=CD=D9 =D0=D2=C1=CB=D4=C9=CB=D5=C0=D4 =C9=CE=C4=C9=CA=D3=CB= =C9=CA =CB=CF=C4 =D7=C9=C4=C1 > for Runtime.getRuntime().availableProcessors(): > create a thread, =C1 =C9=CE=CF=C7=C4=C1, =D7=CF=DA=CD=CF=D6=CE=CF, = =C9 fork(). > =F0=D2=C9 =DC=D4=CF=CD =D3=C1=CD=C1 JVM thread - =D0=D2=CF=D6=CF=D2=CC=C9= =D7=C1, =DA=C1=D0=D5=D3=CB=C1=C5=D4 JIT threads > =D0=CF =DE=C9=D3=CC=D5 availableProcessors(). > =F0=D2=C9 =D7=CC=CF=D6=C5=CE=C9=C9 =C9=CE=C4=C9=CA=D3=CB=CF=C7=CF =CB=CF= =C4=C1 =C4=D2=D5=C7 =D7 =C4=D2=D5=C7=C1 =CD=D9 =D3 =CC=C5=C7=CB=CF=D3=D4=D8= =C0 =D0=CF=CC=D5=DE=C1=C5=CD > C*N^2 threads. =E4=CC=D1 N=3D2 =C9=CC=C9 N=3D4 =DC=D4=CF =DE=C5=D0=D5=C8= =C1, > =CE=CF =C4=CC=D1 N=3D32 =DC=D4=CF =D5=D6=C5 =CE=C5=CD=C1=CC=CF. =EE=C1 = =CE=C1=DB=C5=CA =D3=C2=CF=D2=DE=CE=C9=C3=C5 > =DC=D4=CF =D5=D0=C9=D2=C1=C5=D4=D3=D1 =D7 =C5=C5 ulimit -u=3D512 > =C9 =D3=C2=CF=D2=CB=C1 =D0=C1=C4=C1=C5=D4 =D3 unable to create new native= thread (=E8=CF=D4=D1 =D0=C1=CD=D1=D4=C9 =D7 > =D3=C9=D3=D4=C5=CD=C5 =C8=D7=C1=D4=C1=C5=D4). >=20 > =EB=CF=CE=CB=D2=C5=D4=CE=CF =D3 gradle N^2 threads, =D2=CF=D6=C4=C1=C0=D4= =D3=D1 =CE=C5 =D4=CF=CC=D8=CB=CF =C9=DA-=DA=C1 > =D3=C1=CD=CF=C7=CF gradle, (=C8=CF=D4=D1 =C9 =D7=CE=D5=D4=D2=C9 =C5=C7=CF= =C5=D3=D4=D8 =CD=CE=CF=C7=CF =D0=CF=C4=CF=C2=CE=CF=C7=CF =CB=CF=C4=C1, > =CE=CF =C5=D3=D4=D8 =C8=CF=D4=D1 =C2=D9 =CF=C7=D2=C1=CE=C9=DE=C9=D7=C1=C0= =DD=C9=C5 =CF=D0=C3=C9=C9) > =C1 =C5=DD=C5 =D7=CE=D5=D4=D2=C9 =C9=D3=D0=CF=CC=D8=DA=D5=C5=CD=D9=C8 =C9= =CD =C2=C9=C2=CC=C9=CF=D4=C5=CB (ivy,...?). > =E1=D0=D3=D4=D2=C9=CD =DC=D4=CF =D2=C1=D3=D3=CD=C1=D4=D2=C9=D7=C1=C5=D4 = =CB=C1=CB =CE=C5=D0=D2=C1=D7=C9=CC=D8=CE=D5=C0 =CB=CF=CE=C6=C9=C7=D5=D2=C1= =C3=C9=C0 - > =C5=D3=CC=C9 =D5 =D7=C1=D3 =D4=C1=CB=C1=D1 =CB=D2=D5=D4=C1=D1 =CD=C1=DB= =C9=CE=C1 =D3 N =D1=C4=C5=D2 =C9 N Gb =D0=C1=CD=D1=D4=C9 - > =D0=D2=CF=D3=D4=CF =D0=CF=C4=CE=C9=CD=C9=D4=C5 =CC=C9=CD=C9=D4 =C4=CF =D3= =CF=CF=D4=D7=C5=D4=D3=D4=D7=D5=C0=DD=C9=C8 4096/8192. >=20 > =F1 =D4=C1=CB =D0=CF=CE=C9=CD=C1=C0, =D3=CF =D3=C2=CF=D2=CF=DE=CE=C9=C3= =C5=CA =CD=D9 =D5=D6=C5 =CE=C1=D3=D4=D5=D0=C1=CC=C9 =CE=C1 =DC=D4=C9 =C7=D2= =C1=C2=CC=C9, > =CE=C1 =DE=D4=CF =CE=C1=CD=C5=CB=C1=C5=D4 =D4=C5=CB=D5=DD=C9=CA =C8=C1=CB= =D3 NPROC=3D1, =DE=D4=CF=C2=D9 =D3=C2=CF=D2=CF=DE=CE=C9=C3=C5 > =CE=C5 =D0=CC=CF=C8=C5=CC=CF =CF=D4 make -j32. =F0=C5=D2=D7=CF=CE=C1=DE=C1=CC=D8=CE=CF nprocs=3D1 =C2=D9=CC =D7=D9=D3=D4= =C1=D7=CC=C5=CE =C4=CC=D1 =CC=D5=DE=DB=C5=CA =D7=CF=D3=D0=D2=CF=C9=DA=D7=CF= =C4=C9=CD=CF=D3=D4=C9 =D3=C2=CF=D2=CB=C9. > =FE=C5=CD =D0=CC=CF=C8 =CE=C1=DB NPROC=3D1 =CB=CF=D3=D4=D9=CC=D8, =DE=D4= =CF =CF=CE =CE=C5 =D5=CE=C9=D7=C5=D2=D3=C1=CC=D8=CE=D9=CA - =DA=C1=D4=CF=DE= =C5=CE =D0=CF=C4 make. >=20 > =F1 =C2=D9 =D3=CF=D7=C5=D4=CF=D7=C1=CC cpuset(7) -- =CE=C1=D2=C5=DA=C1=D4= =D8 =CE=CF=C4=D5 =CE=C1 K =D0=CF=CC=D8=DA=CF=D7=C1=D4=C5=CC=C5=CA, > =C9 =C4=C1=D4=D8 =CB=C1=D6=C4=CF=CD=D5 =D0=CF=CC=D8=DA=CF=D7=C1=D4=C5=CC= =C0 N/K =D1=C4=C5=D2. =F0=D2=C9=CC=CF=D6=C5=CE=C9=D1, =C9 =D7 =DE=C1=D3=D4= =CE=CF=D3=D4=C9, JVM, > =C2=D5=C4=D5=D4 =D4=CF=C7=C4=C1 =C4=D5=CD=C1=D4=D8, =DE=D4=CF =DA=C1=D0= =D5=DD=C5=CE=D9 =CE=C1 N/K =D1=C4=C5=D2=CE=CF=CA =CD=C1=DB=C9=CE=C5 =C9 =D0= =D2=CF=C2=CC=C5=CD=C1 =C9=D3=DE=C5=DA=CE=C5=D4. =F5=D6=C5. =F1 =DC=CB=D3=D0=C5=D2=C9=CD=C5=CE=D4=C9=D2=D5=C0 =D3 =D2=C1=DA= =C4=C1=DE=C5=CA =D0=CF =CF=C4=CE=CF=CA numa node =CE=C1 =D0=CF=CC=D8=DA=CF= =D7=C1=D4=C5=CC=D1, nproc(1) =D4=C1=CD =D0=CF=CB=C1=DA=D9=D7=C1=C5=D4 8, %__nprocs =D3 =CE=C5= =C4=C1=D7=CE=C9=C8 =D0=CF=D2 =D0=CF =D5=CD=CF=CC=DE=C1=CE=C9=C0 =D3=CF=C4=C5=D2=D6=C9=D4 =D4=CF, =DE=D4=CF =D7=D9=D7=CF=C4=C9=D4 nproc(1). =EE=CF =CE=C5=CB=CF=D4=CF=D2=D9=C5 =DC=D4=CF =C9=C7=CE=CF=D2=C9=D2=D5=C0=D4= , =D2=C1=DA=CE=D9=CD=C9 =D3=D0=CF=D3=CF=C2=C1=CD=C9 (_SC_NPROCESSORS_ONLN, /proc/stat, /proc/cpuinfo, ...) =C2=C5=D2=D5=D4 =DE=C9=D3=CC=CF =D7=C9=C4= =C9=CD=D9=C8 cpu units, =C9 =D0=CF=CC=D5=DE=C1=C5=D4=D3=D1 =C6=C9=C7=CE=D1. =ED=D9 =D0=CF=D0=D2=CF=C2=CF=D7=C1=CC=C9 =CF=C7=D2=C1=CE=C9=DE=C9=D4=D8 =D7= =C9=C4=C9=CD=D5=C0 =DE=C1=D3=D4=D8 /proc/stat =C9 /proc/cpuinfo cpuset'=CF=CD, =CE=CF =DC=CB=D3=D0=C5=D2=C9=CD=C5=CE=D4=D9 =D0=CF=CB=C1=DA= =D9=D7=C1=C0=D4, =DE=D4=CF, =CE=C1=D0=D2=C9=CD=C5=D2, maven =CF=D4 =DC=D4= =CF=C7=CF =D3=C8=CF=C4=C9=D4 =D3 =D5=CD=C1: https://lists.altlinux.org/pipermail/sisyphus-cybertalk/2018-May/103621.html > =C9 ulimit -u =D0=CF=C4=CE=D1=D4=D8, =CB=CF=CE=C5=DE=CE=CF, XXI =D7=C5=CB= =CE=C1 =C4=D7=CF=D2=C5, =D7=D3=C5-=D4=C1=CB=C9. =EB=D4=CF-=CE=C9=C2=D5=C4=D8 =DA=CE=C1=C5=D4, =D3=CB=CF=CC=D8=CB=CF =C9=CD = =CE=C1=C4=CF =D4=D2=C5=C4=CF=D7 =CE=C1 N cpu units? 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