Anne & Lynn Wheeler wrote:
long running application doing enet to disk transfer sustains
2.6mbytes/sec transfer with 20% cpu busy (mostly non-kernel time).
Even that seems pretty low, I'd have thought you should be able to
sustain 10-12MB/s
post-1788 kernel, it is 100% cpu (mostly kernel time) and 600kbytes/sec
sustained (an increase of over 20times in total cpu executed per byte
transferred and possibly an increase of 100times in kernel cpu executed
per byte transferred).
Just did a quick test here, a http wget of a 75MB file across a 100Mb/s
full duplex link, where the file is fully cached on the source machine,
I scrape 1.8MB/s and eat 75% CPU on a 3.0GHz HT P4, if I do some
"intensive" monitoring with top, I can get it down to about 900KB/s
Of course we're not really proving anything here, we know that
kernel1805 is built for debugging not for speed ...
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