GCC vs. LLVM Clang Is Mixed On The Ivy Bridge Extreme
Written by Michael Larabel in Software on 13 October 2013. Page 1 of 3. 16 Comments

Our latest Linux benchmarks from the Intel Core i7 4960X Ivy Bridge Extreme Edition processor are compiler tests on this $1000 USD processor. The last two stable releases of GCC and LLVM's Clang C/C++ compilers were compared: GCC 4.7.2, GCC 4.8.1, LLVM Clang 3.2, and LLVM Clang 3.3.

The GCC 4.7/4.8 and LLVM Clang 3.2/3.3 compiler packages were obtained from the Ubuntu 13.10 x86_64 package archive on a clean installation from the Core i7 4960X EE system with Seagate HDD and 8GB of RAM.

The CFLAGS/CXXFLAGS were maintained the same throughout all of this compiler testing as were the other test settings. All compiler benchmarking on Ubuntu Linux was handled via the Phoronix Test Suite. With this compiler performance testing being straightforward like our other Phoronix compiler tests, let's jump straight to the data.


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