White Papers

ManualsBrandsDell ManualsConverged InfrastructureHigh Performance Computing Solution Resources

Application Performance Study

on Intel Haswell EX Processors

by Ashish Kumar Singh

This blog describes, in detail, the performance study carried out on the E7-8800 v3 family of processors (architecture

codenamed as Haswell-EX). The performance on Intel Xeon E7-8800 v3 has been compared to Intel Xeon E7-4800

v2 to ascertain the generation over generation performance improvement. The applications used for this study are

HPL, STREAM, WRF and ANSYS Fluent. The Intel Xeon E7-8890v3 processors have 18 cores/36 threads with

45MB of L3 cache (2.5MB/slice). With AVX workloads the clock speed of Intel E7-8890 v3 reduced from 2.5GHz to

2.1GHz. These processors support QPI speed of 9.6 GT/s.

ServerConfiguration

PowerEd

e R920 PowerEd

e R930

Processor 4 x Intel Xeon E7-4870v2

@ 2.3GHz (15 cores)

30MB L3 cache 130W

4 x Intel Xeon E7- 8890v3

@2.5GHz (18 cores) 45MB

L3 cache 165W

Memory 512GB = 32 x 16GB

DDR3 @ 1333MHz

RDIMMS

1024 GB = 64 x 16GB

DDR4 @1600MHz

RDIMMS

BIOS Settings

BIOS Version 1.1.0 Version 1.0.9

Processor

Settings >

Logical

Processors

Disabled Disabled

Processor

Settings > QPI

Spee

Maximum Data Rate Maximum Data Rate

Processor

Settings >

stem Profile

Performance Performance

Software and Firmware

Operating

stem

RHEL6.5 x86_64 RHEL 6.6 x86_64

Intel Compile

Version 14.0.2 Version 15.0.2

Intel MKL Version 11.1 Version 11.2

Summary of content (5 pages)

PAGE 1
Application Performance Study on Intel Haswell EX Processors by Ashish Kumar Singh This blog describes, in detail, the performance study carried out on the E7-8800 v3 family of processors (architecture codenamed as Haswell-EX). The performance on Intel Xeon E7-8800 v3 has been compared to Intel Xeon E7-4800 v2 to ascertain the generation over generation performance improvement. The applications used for this study are HPL, STREAM, WRF and ANSYS Fluent.
PAGE 2
Intel MPI Version 4.1 Version 5.0 Benchmark and Applications LINPACK V2.1 from MKL 11.1 V2.1 from MKL 11.2 STREAM v5.10, Array Size v5.10, Array Size 1800000000, Iterations 1800000000, Iterations 100 100 WRF v3.5.1, Input Data V3.6.1, Input Data Conus12KM, NetcdfConus12K, Netcdf-4.3.2 4.3.1.
PAGE 3
STREAM STREAM is a simple synthetic program to measure sustained memory bandwidth used COPY, SCALE, SUM and TRAID programs to measure memory bandwidth. Operations of these programs are shown below: COPY: a(i) = b(i) SCALE: a(i) = q*b(i) SUM: a(i) = b(i) + c(i) TRIAD: a(i) = b(i) + q*c(i) This chart showed the comparison of sustained memory bandwidth between PowerEdge R920 and PowerEdge R930 servers.
PAGE 4
With Conus12KM dataset, WRF showed 0.22seconds average time on PowerEdge R930 server, while 0.26seconds on PowerEdge R930 server, which is an 18% improvement.
PAGE 5
We used four different datasets for Fluent. We considered ‘Solver rating’ (higher is better) as the performance metric. For all the test cases with PowerEdge R930 Fluent showed 24% to 29% performance improvement in-comparision to PowerEdge R920. Conclusion PowerEdge R930 server outperforms its previous generation PowerEdge R920 server in both benchmarks and application comparison.