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Re: [v3] --enable-pch

From: Mike Stump <mrs at apple dot com>
To: Richard dot Earnshaw at arm dot com
Cc: Benjamin Kosnik <bkoz at redhat dot com>, gcc-patches at gcc dot gnu dot org, roger at eyesopen dot com
Date: Thu, 10 Jul 2003 12:43:29 -0700
Subject: Re: [v3] --enable-pch

On Monday, July 7, 2003, at 05:32 AM, Richard Earnshaw wrote:

Yay!  That cuts testing time ('time make -k check') on my poor
memory-starved shark (32M) by more than 20%!

           user     system   elapsed
2003/06/28 28971.91 16151.89 82516.12		(PCH enabled)
2003/07/02 40920.70 15537.30 64758.78		(PCH disabled)

Hum, maybe pch validation should check how much memory is around, and avoid pch if < 40 MB. It is nice that is takes less user time, but, not at the expense of wall clock. :-(

Follow-Ups:
- Re: [v3] --enable-pch
  - From: Geoff Keating

References:
- Re: [v3] --enable-pch
  - From: Richard Earnshaw

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