Date: Wed, 31 May 2017 02:40:16 +0000 From: meta <meta@vmeta.jp> To: Jim Ohlstein <jim@mailman-hosting.com> Cc: freebsd-questions@freebsd.org Subject: Re: Is it possible to use more than 1 CPUs during pkg create? Message-ID: <0101015c5c6007b6-0633a1f3-b800-431f-a784-e931afd64ba3-000000@us-west-2.amazonses.com> In-Reply-To: <1496141532.1095.41.camel@mailman-hosting.com> References: <0101015c58b3dc58-1b936a1a-8412-472b-a257-c436a40e89f2-000000@us-west-2.amazonses.com> <1496141532.1095.41.camel@mailman-hosting.com>
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On Tue, May 30, 2017 at 06:52:12AM -0400, Jim Ohlstein wrote: > On Tue, 2017-05-30 at 09:33 +0000, Koichiro IWAO wrote: > > Hi, > > > > is it possible to use more than 1 CPU cores during xz compression > > done in pkg create? I know XZ Utils in base system can use more > > than 1 CPUs if -T option given. I guess pkg internally calls APIs > > of XZ Utils. I think it is potentially possible. > > > > Or is it restricted to use only 1 CPU core for some reasons? > > For those using poudriere or synth this might be a disadvantage with > multiple parallel builds going on. That said, I imagine the code could > be patched to allow it. Yes, using more than 1 CPU cores might be both an advantage and a disadvantage. I think allow multithread and keep default to only 1 thread will be acceptable for everyone. -- `whois vmeta.jp | nkf -w` meta <meta@vmeta.jp>
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