2H 2015
intel-xeon-phi-sw-ecosystem-guide-2h-2015-public3
intel-xeon-phi-sw-ecosystem-guide-2h-2015-public3
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Comparative Performance<br />
BerkeleyGW*<br />
Sigma Phase<br />
1 NODE<br />
APPROVED FOR PUBLIC PRESENTATION<br />
NEW<br />
1<br />
BerkeleyGW* Sigma Phase Speed Up<br />
1.58X<br />
1.31X 1.28X<br />
1<br />
Application: BerkeleyGW* (Sigma)<br />
Description: BerkeleyGW is a massively parallel computational<br />
package for electron-excited state properties. Sigma is the<br />
second half of the GW code. It gives the quasiparticle selfenergies<br />
and dispersion relation for quasielectron and<br />
quasihole states.<br />
Availability:<br />
• Code: Available here (version 1.1 beta).<br />
• Recipe: None. The exact input used is not available to the<br />
public although a similar input is available.<br />
Usage Model: MPI+OMP. In symmetric mode, MPI ranks are<br />
distributed to both the host and KNC card. Each MPI rank uses<br />
OMP threads (Hybrid).<br />
0<br />
Intel® Xeon® processor E5-2697 v2<br />
Intel® Xeon® processor E5-2697 v3<br />
Xeon E5-2697 v2 + Intel® Xeon Phi coprocessor 7120A<br />
Xeon E5-2697 v3 + Intel® Xeon Phi coprocessor 7120A<br />
“Xeon E5-2697 v2/v3” = Intel® Xeon® processor E5-2697 v2/v3<br />
Highlights: Hybrid MPI+OMP allows code to be run on both<br />
Intel® Xeon® processors and Intel® Xeon Phi coprocessors<br />
without any source modifications.<br />
Results: Intel® Xeon® processor E5-2697 v3 speed up is up to<br />
1.31X, and Intel Xeon processor E5-2697 v3 + Intel® Xeon Phi<br />
coprocessor 7120A speed up is up to 1.58X over the baseline<br />
processor.<br />
For configuration details, go here.<br />
SOURCE: INTEL MEASURED RESULTS AS OF DECEMBER, 2014<br />
Software and workloads used in performance tests may have been optimized for performance only on Intel microprocessors. Performance tests, such as SYSmark and MobileMark, are measured using specific computer systems,<br />
components, software, operations and functions. Any change to any of those factors may cause the results to vary. You should consult other information and performance tests to assist you in fully evaluating your contemplated<br />
purchases, including the performance of that product when combined with other products. For more information go to http://www.intel.com/performance *Other names and brands may be claimed as the property of others<br />
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