Linked by Eugenia Loli-Queru on Fri 18th Aug 2006 05:37 UTC, submitted by Hakime
Apple announced that they are using the LLVM optimizer and JIT within their Mac OS 10.5 'Leopard' OpenGL stack. LLVM will help in delivering better performance of the GL stack.
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Member since:2005-07-06
Thanks for the information, I'm glad to be incorrect.
Could you give me the proper URL for the benchmarks?
I couldn't find the graph you're talking about on the URL you provided, I tried to click around but frankly this website is a mess.
On the comment page of the annonce http://arstechnica.com/staff/fatbits.ars/2006/8/17/5024 percivall says that a python compiled with LLVM is twice as slow as a python compiled with GCC, so either he made a mistake or there are still some problem for LLVM..
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Member since:
2005-07-06
You, sir, have that completely out of order.
LLVM is an aggressively-optimizing compiler that rivals GCC for speed in almost everything, and crushes it in situations where its most advanced features (LTO and inter-procedural optimization) come into play. There's a reason that GCC was considering incorporating LLVM's optimization framework rather than continuing to extend their own. ;-)
For comparison, look at the detailed build results on http://llvm.org/nightlytest/ , particularly at the GCC/LLVM column. That's the ratio of execution time of the test compiled w/ GCC vs. compiled w/ LLVM. Notice how the majority are .9 or greater, and a significant number are >1?