[zeromq-dev] Delay in zeromq epgm

[Wang, Xin (WorldQuant)]

I had a simple program that uses zeromq epgm to multicast messages to multiple receivers. For message of size from 64 byte to 8192 byte, the delay is around 200-300 us consistently. But when I try the message size of 16384 (16k) byte, the delay is 375 ms consistently and the delay is 1.75 s when the message size is 32768 (32k).

What introduces the huge delay jump (1000 times) in zeromq epgm? Are there any settings that I can change to tune the performance? Thanks.

Xin

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