Re: GCC speed (was [PATCH] Isapnp warning)

From: Andrew Morton (
Date: Sun Jun 22 2003 - 12:32:51 EST

Daniel Phillips <> wrote:
> As for compilation speed, yes, that sucks. I doubt there's any rational
> reason for it, but I also agree with the idea that correctness and binary
> code performance should come first, then the compilation speed issue should
> be addressed.

No. Compilation inefficiency directly harms programmer efficiency and the
quality and volume of code the programmer produces. These are surely the
most important things by which a toolchain's usefulness should be judged.

I compile with -O1 all the time and couldn't care the teeniest little bit
about the performance of the generated code - it just doesn't matter.

I'm happy allowing those thousands of people who do not compile kernels all
the time to shake out any 3.2/3.3 compilation problems.

Compilation inefficiency is the most serious thing wrong with gcc.

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