[zeromq-dev] Performance Tuning / Expectations on Windows

Steven McCoy steven.mccoy at miru.hk
Thu Apr 12 15:07:10 CEST 2012

On 10 April 2012 11:46, Jeff Vienneau <jpvienneau at gmail.com> wrote:

> Our setup is two Windows XP SP3 systems with just an ethernet
> cable between them (cat 5e, Intel gigabit NICs). Between the two systems, I
> am able to achieve ~70MB/s (using TCP with pcattcp).
Play around with netperf and iperf and similar message sizes and report the
figures.  Note that testing tools, especially Microsoft's tttcp tool are
for networking testing not actual expected performance of real world
applications.  Windows performs best when you load up a few large messages
not rapidly firing many small packets, but you are also fighting against
the smaller schedular quantum of the desktop OS compared with the server

Note that the TCP stack has been rewritten twice since XP was first
released for both 2008 and 2008 R2 so you indeed might be able to find
suitable registry settings to aid performance levels.

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