Date: Sun, 2 Jan 2000 00:07:45 +0100 (CET) From: Leif Neland <leif@neland.dk> To: monty@tcx.se Cc: Paul DuBois <paul@snake.net>, mysql@lists.mysql.com, freebsd-current@freebsd.org Subject: Re: 2 hours to compile mysql? Message-ID: <Pine.BSF.4.05.10001020005001.55763-100000@arnold.neland.dk> In-Reply-To: <14446.19685.932082.417212@monty.pp.sci.fi>
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> The reason for this is that some gcc optimizations stages takes > exponentially more memory when compiling big functions. > bison produces one big function for the grammar parsing and its > this that takes a long time to compile; To compile sql_yacc.cc quickly > on Intel, you nead at least 160M of free ram. On a PentiumII 400mz with 256M > ram, it takes 11 seconds to compile sql_yacc.o. Having to use swap > can easily make things 1000 times slower > Is amount of ram available (portably) to configure? So configure could decide to use --low-memory by itself? Allowing overrides, naturally. Leif To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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