> 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
>
> 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.
-- bill davidsen <davidsen@tmr.com> CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/