GCC vs. LLVM-GCC Benchmarks
Written by Michael Larabel in Software on 4 September 2009. Page 5 of 5. 34 Comments

The chess performance with TSCP also dropped with the LLVM-GCC binary.

With the Tachyon ray-tracing engine, this was yet another area where LLVM-GCC was slower than the standalone GCC compiler.

Ending out our 12 LLVM tests, there is a second win for LLVM-GCC. With the C-Ray ray-tracing engine, the GCC-LLVM compiler produced a C-Ray binary was a few percentage points faster than one made by GCC. LLVM-GCC certainly has a ways to go to compete with GCC when it comes to the performance, but next up we will be testing LLVM/Clang to see how that performs.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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