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Hardware overview

Cores (threads):64, Intel(R) Xeon(R) CPU E7-4850 v4 @ 2.10GHz
NUMA:yes, 4 nodes
Total memory:1007.79 GB
Operating system:Linux 4.14.13-1-ARCH, x86_64


These graphs show the pairwise IPC latency between cores.


These graphs show the IPC throughput for continuous communication between a pair of cores. The y-axis shows throughput in Gbps, and the x-axis different chunk sizes.
Click on the graphs to show a larger version.

Raw data

The raw results data for this experiment can be downloaded here.

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This research is done by the NetOS group at the University of Cambridge Computer Laboratory. If you have any questions or would like to learn more, please contact us directly:


Postal address:
NetOS group
University of Cambridge Computer Laboratory
Willam Gates Building
15 JJ Thomson Avenue
Cambridge CB3 0FD, UK
Tel.: +44 1223 763683