Clang 3.4 Performance Very Strong Against GCC 4.9
Written by Michael Larabel in Software on 30 December 2013. Page 3 of 5. 12 Comments

SciMark's Monte Carlo performance is faster when compiled under Clang than under GCC.

The Sparse Matrix Multiply performance is 20% faster on the Core i7 4960X Ubuntu system with LLVM Clang 3.4 than GCC 4.8/4.9.

The biggest gain made with Clang is in the Dense LU Matrix Factorization where its performance is almost 80% faster than GCC and Clang 3.3.

The Jacobi Successive Over-Relaxation test in SciMark2 also did much better with Clang than GCC.



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