User bus conclusion

[Thiago Macieira]

Em Quarta-feira, 10 de Novembro de 2010, às 18:14:31, Alexander Neundorf 
escreveu:
> I'm not sure it reaches the "fast" part of this goal...

QDEBUG : tst_QDBusPerformance::oneWay(normal:256-byteArray) 249344 bytes in 
500 ms (in 974 calls): 0.475586 MB/s 
QDEBUG : tst_QDBusPerformance::oneWay(normal:1024-byteArray) 1167360 bytes in 
500 ms (in 1140 calls): 2.22656 MB/s 
QDEBUG : tst_QDBusPerformance::oneWay(normal:4096-byteArray) 3551232 bytes in 
500 ms (in 867 calls): 6.77344 MB/s 
QDEBUG : tst_QDBusPerformance::roundTrip(normal:256-byteArray) 286464 bytes in 
500 ms (in 1119 calls): 0.546387 MB/s 
QDEBUG : tst_QDBusPerformance::roundTrip(normal:1024-byteArray) 1010688 bytes 
in 500 ms (in 987 calls): 1.92773 MB/s 
QDEBUG : tst_QDBusPerformance::roundTrip(normal:4096-byteArray) 3174400 bytes 
in 500 ms (in 775 calls): 6.05469 MB/s 

Peak performance at 0.44 ms at roundtrip. Throughput increases with amount of 
data transferred per call.

If you're making anywhere near 100 calls per second, you're doing something 
wrong.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
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