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Re: Looking into LLVM



On 10/26/2009 10:45 AM, Adam Jackson wrote:
On Mon, 2009-10-26 at 19:07 +0530, Rahul Sundaram wrote:
On 10/26/2009 07:03 PM, Adam Jackson wrote:
On Sun, 2009-10-25 at 21:05 +0530, Rahul Sundaram wrote:
Has anyone been looking into building Fedora with it to see how the
performance impact is?

I'm going to go out on a limb here and say that the dominating factor in
our performance is the code itself.

I meant performance, primarily in terms of speed of compilation. Not the
code itself.

Suppose it's faster.  Say even by a factor of 100.  So what?  What
problem would that solve?

Personally I don't that compile speed is as interesting as new bugs the compiler is able to highlight, either through the compilation process or through the use of LLVM as a static analyzer.

But LLVM/clang is quite far away from building Fedora, so I do not think there's a need for people to get anxious.

I worked for a couple weeks on fixing LLVM, clang and Linux kernel bugs so that the kernel would build under clang.

	Jeff








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