[LLVMdev] tot clang/llvm and tot gcc performance comparision
Evan Cheng
evan.cheng at apple.com
Thu Nov 18 12:00:40 PST 2010
On Nov 17, 2010, at 11:14 PM, Duncan Sands wrote:
> Hi Evan,
>
>> Thanks David. Unfortunately many of us cannot use GPL v3 gcc so it's hard for us
>> to investigate this. One question, can you tell if gcc is inlining significantly
>> more than llvm? We have reports that this is one of the issue plaguing eon
>> performance.
>
> are you allowed to look at assembler output by GPL v3 gcc? If so, maybe someone
> else can do the compiling for you, and just send you results and assembler?
Looking at assembly is probably ok. What you described sounds like a great improvement but it would be even better is someone can do some in-depth analysis.
Evan
>
> Ciao,
>
> Duncan.
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