Single/Multi-site WAN Linpack Benchmark Results CPU Utilization and Load Average

Matrix Size

CPU Utilization [%]

Load Average

0

10

Single-site(c=4)

Multi-site(c=1x4)

Single-site(c=16)

Multi-sites(c=4x4)

Load Average

• Utilization and Load are greater for multi-site.

c.f., single site.

• The J90 server does not saturate for n and c.
  • Network bandwidth saturation again the cause.

? Utilization and Load alone are NOT suitable criteria for load balancing of global computing.

CPU Utilization

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