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vmx performance with 10GbE

To: netbsd-users%netbsd.org@localhost
Subject: vmx performance with 10GbE
From: Sad Clouds <cryintothebluesky%googlemail.com@localhost>
Date: Fri, 3 Jul 2015 20:39:22 +0100

Hello, I was testing NetBSD VM on ESXi with vmware vmxnet3 interface on
10GbE network and noticed a max throughput of around 3Gbps when
measuring with iperf. I did set "10GbaseT mediaopt full-duplex"
manually just to make sure, but didn't notice much improvement.

Linux VMs manage almost 10Gbps, so no issues there.

Anyone knows why NetBSD vmx driver performs so poorly?

Cheers.

Follow-Ups:
- Re: vmx performance with 10GbE
  - From: Masanobu SAITOH

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