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Re: More results from llvm-gcc

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Nicholas Clark
June 4, 2008 09:46
Re: More results from llvm-gcc
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On Wed, Jun 04, 2008 at 05:17:39AM +0300, Yuval Kogman wrote:

> llvm-gcc is basically gcc 4.2 with the backend switched to use
> llvm's native code generation, instead of gcc's.

> is an executable that is on average 15-20% faster as measured by
> PerlBench on my machine, than the perl I compiled with gcc 4.0 and
> use normally.

Interesting. Useful

> I blame this 10% improvement over plain llvm-gcc (without linking
> bytecode, but native .o files) to LLVM's extensive link time
> optimziations.

But you're also comparing 4.2 with 4.0. What's llvm-gcc like against 4.2?

Nicholas Clark

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