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Re: Faster compilation speed
- From: Joe Buck <Joe dot Buck at synopsys dot com>
- To: dewar at gnat dot com (Robert Dewar)
- Cc: Theodore dot Papadopoulo at sophia dot inria dot fr, dewar at gnat dot com,gcc at gcc dot gnu dot org, mrs at apple dot com, shebs at apple dot com
- Date: Tue, 13 Aug 2002 16:53:16 -0700 (PDT)
- Subject: Re: Faster compilation speed
Robert Dewar writes:
> But remember that work you put in on speeding up the compiler is work
> that you do not put in on improving the compiler. As time goes on, quality
> of generated code continues to be critical, compiler speed is less critical.
Um, possibly you forget that in order to get a change accepted, the
contributor has to do a three-stage bootstrap with the compiler and run
the regressions. If that process ran three times faster, contributors
could try three times as many versions of possible patches in the same
Given this, making gcc build itself and run the regressions faster would
lead to faster improvement in the compiler.