Performance of GTX Titan X GPUs and Code Optimization
Hwancheol Jeong, Sangbaek Lee, Weonjong Lee, Jeonghwan Pak, Jangho, Kim, Juhyun Chung

TL;DR
This paper evaluates the performance improvements of the GTX Titan X GPU over its predecessor using specific scientific codes, revealing greater-than-expected gains in precision calculations.
Contribution
It provides an empirical performance comparison between GTX Titan X and GTX Titan Black using real scientific codes, highlighting unexpected efficiency gains.
Findings
Significant performance gains in single and double precision calculations
Performance improvements exceed theoretical expectations
Empirical data on GPU performance for scientific computing
Abstract
Recently Nvidia has released a new GPU model: GTX Titan X (TX) in a linage of the Maxwell architecture. We use our conjugate gradient code and non-perturbative renormalization code to measure the performance of TX. The results are compared with those of GTX Titan Black (TB) in a lineage of the Kepler architecture. We observe a significant gain in the single and double precision calculations much greater than the theoretical expectation.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Solar and Space Plasma Dynamics · Geophysics and Gravity Measurements
