LLVM Clang 3.8 Compiler Performance Benchmarks
Written by Michael Larabel in Software on 15 February 2016. Page 1 of 3. 3 Comments

With LLVM 3.8 scheduled to be released this week, here are benchmarks of the LLVM Clang 3.8 compiler code compared to Clang 3.7 and Clang 3.6 for a variety of C/C++ performance benchmarks.

On an Intel Xeon E5-2687W v3 Haswell workstation running Ubuntu 16.04 x86_64 I ran some fresh benchmarks of Clang 3.6, Clang 3.7, and Clang 3.8 recently when they were all built in the same manner on this system. The CFLAGS/CXXFLAGS were obviously maintained as well throughout testing. All of this Clang compiler benchmarking was done in a fully-automated manner using the open-source Phoronix Test Suite benchmarking software.

On the following pages are the results and coming up shortly I will have a LLVM Clang 3.8 vs. GCC 6 compiler comparison on Phoronix.

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