Intel Parallel Studio Xe 2017 Review

2017 was the year of the second-generation Xeon Phi (KNL), a many-core processor with up to 72 cores and 288 threads. Parallel Studio XE 2017 introduced native offloading and auto-vectorization for this architecture without rewriting code for GPUs.

in Intel® Advisor, a visual model that helps developers identify if their code is limited by memory bandwidth or compute power. Product Editions intel parallel studio xe 2017

Aris ran . The red highlights were like arterial spray. A race condition. Two cores writing to the same output array because of a forgotten REDUCTION clause. Another bug: false sharing, where two cores invalidated each other’s cache lines while working on unrelated data, slowing the program to slower-than-serial performance. 2017 was the year of the second-generation Xeon