[zeromq-dev] zmq_poll() very slow on Windows

[Radek Svoboda]

Hi,

Calling zmq_poll() just on single ZMQ socket, which is already in signaled
state, takes about 2 msec on Windows 10 (libzmq 4.2.2). The same call is
very fast (few microseconds) on Linux.

Is this an expected limitation of Windows implementation of zmq_poll()? Any
tips how to improve the speed? The zmq_poll() is the part of my processing
loop and spending 2 msec on each (almost always signaled) query limits the
throughput to just 500 queries per second!

Thank you
Radek Svoboda
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