[omniORB] Bad performance with oneway invocation (addition)

Serguei Kolos Serguei.Kolos at cern.ch
Mon Jul 14 19:49:27 BST 2003


  Hello

In addition to the previous posting I would like to mention a CPU 
consumption
of the omniORB server:
    For 100000 synchronous method invocations the server CPU consumption is:
    ~3.3 s (user time) + ~1.8 s (system time)
    For 100000 asynchronous method invocation the server CPU consumption is:
    ~13.5 s (user time) + 0.4 s (system time)
   ^^^^^^^^^!!!

For comparison the TAO server CPU consumption is:
    100000 synchronous: ~4.4 s (user time) + 2.0 s (system time)
    100000 asynchronous: ~3.3 s (user time) + 1.2 s (system time)

So, the TAO seems to have more overhead comparing with the omniORB, but the
omniORB seems to have performance problems with oneway requests processing.

Cheers,
Sergei




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