Re: "6 day compile" (1 GHz G4) DONE in 7 hours (8 core Intel 3.0 GHz over SSH)
Re: "6 day compile" (1 GHz G4) DONE in 7 hours (8 core Intel 3.0 GHz over SSH)
- Subject: Re: "6 day compile" (1 GHz G4) DONE in 7 hours (8 core Intel 3.0 GHz over SSH)
- From: "Mark Wagner" <email@hidden>
- Date: Fri, 15 Jun 2007 13:01:57 -0700
On 6/15/07, Mike Jackson <email@hidden> wrote:
Well... _if_ you had been using a Makefile for this project, then you
could have done the following:
make -j8 (where 8 is the number of concurrent jobs to run at one time)
On an 8 core machine I would have tried at least 8, if not 10 or 12.
Just keep trying higher numbers until nothing is sped up.
The rule of thumb is that you use a number one higher than the number
of available cores, so that if one job is waiting on disk I/O, another
can use the CPU.
--
Mark Wagner
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