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Benchmark Bill Davidsen 1 participant 1 message Nov 28, 2002 1 message not in the archive

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A message that is not in the archive (sent off-list or not yet received): [email protected]

#1 lore raw
Quoted 8 lines · Paolo Ciarrocchi
stream_pipe 10000 2807.4       280740.00 Stream Pipe Messages/second
stream_pipe 10000 2602.3       260230.00 Stream Pipe Messages/second
stream_pipe 10000 2487.1       248710.00 Stream Pipe Messages/second
dgram_pipe 10000 2756.9       275690.00 DataGram Pipe Messages/second
dgram_pipe 10000 2460.5       246050.00 DataGram Pipe Messages/second
dgram_pipe 10000 2377.9       237790.00 DataGram Pipe Messages/second
Quoted 7 lines
pipe_cpy 10000 4164.8       416480.00 Pipe Messages/second
pipe_cpy 10000 3736.4       373640.00 Pipe Messages/second
pipe_cpy 10000 3670.4       367040.00 Pipe Messages/second

ram_copy 10000 23801.6 595516032.00 Memory to Memory Copy/second
ram_copy 10000 23583 590046660.00 Memory to Memory Copy/second
ram_copy 10000 23578 589921560.00 Memory to Memory Copy/second

You didn't comment on these, but it clearly looks as if all methods of IPC are getting slower, even shared memory. This has been discussed previously, some of it has known areas of improvement, so I'm surprised that the -mm kernel was slower.

Signature · 3 lines
bill davidsen <[email protected]>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.