Consistency of Floating-Point Results using the Intel® Compiler

Why doesn’t my application always give the same answer? Tradeoffs between floating-point accuracy, reproducibility and performance are discussed with examples;recommendations are made for improving reproducibility while limiting the impact on performance. With initial updates for Intel® Parallel Studio XE 2017, Composer Edition, containing the Intel® Compiler version 17.
Authored by Martyn Corden (Intel) Last updated on 08/23/2016 - 16:03
For more complete information about compiler optimizations, see our Optimization Notice.