[Bug 258755] vmxnet3: low throughput
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Date: Wed, 02 Oct 2024 01:17:39 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258755
risner <risner@stdio.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |risner@stdio.com
--- Comment #6 from risner <risner@stdio.com> ---
I believe this may be fixed now.
From a Mac Mini VMWare server running ESXi-7.0U3p-23307199-standard comparing
two servers. One with E1000 and one with VMX.
E1000:
# iperf3 -t 30 -i 10 -c 10.10.10.60
Connecting to host 10.10.10.60, port 5201
[ 5] local 10.10.10.1 port 29862 connected to 10.10.10.60 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-10.01 sec 1.08 GBytes 930 Mbits/sec 0 1.62 MBytes
[ 5] 10.01-20.07 sec 1.09 GBytes 928 Mbits/sec 0 1.62 MBytes
[ 5] 20.07-30.07 sec 1.08 GBytes 928 Mbits/sec 0 1.62 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-30.07 sec 3.25 GBytes 929 Mbits/sec 0 sender
[ 5] 0.00-30.09 sec 3.25 GBytes 929 Mbits/sec receiver
iperf Done.
VMX:
# iperf3 -t 30 -i 10 -c 10.10.10.60
Connecting to host 10.10.10.60, port 5201
[ 5] local 10.10.10.2 port 29862 connected to 10.10.10.60 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-10.03 sec 1.09 GBytes 931 Mbits/sec 0 1.62 MBytes
[ 5] 10.03-20.01 sec 1.08 GBytes 930 Mbits/sec 0 1.62 MBytes
[ 5] 20.01-30.04 sec 1.09 GBytes 930 Mbits/sec 0 1.62 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-30.04 sec 3.25 GBytes 930 Mbits/sec 0 sender
[ 5] 0.00-30.05 sec 3.25 GBytes 930 Mbits/sec receiver
iperf Done.
So it seems now, there is a very minor performance increase on the vmx driver.
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