Greg Lewis wrote:
On Wed, Jul 26, 2006 at 10:32:38AM +1000, Michael Vince wrote:
Greg Lewis wrote:
On Mon, Jul 24, 2006 at 05:57:24PM +1000, Michael Vince wrote:
I just ran it for you now, lower then the others.
libc_r average hits per minute: 6,859
libc_r session average: 3,441
libc_r transactions per minute: 2,310
Is the machine UP or SMP?
SMP, it was rebuild using a generic 6.1 SMP kernel for all these tests,
with HT turned off.
I did actually record load numbers per minute and Java memory usage. I
didn't post these numbers as load reports via top vary greatly from the
various threading libraries.
libc_r is pretty much automatically going to lose then, since it can only
use one of the CPUs. It would be interesting to see the comparison on a
UP machine.
OK I rebuilt the kernel to use GENERIC with no SMP for the Java
performance tests.
The results between libc_r and libthr are quite similar on single CPU,
libc_r runs faster on a single CPU over 2 and is actually one of the
better for single CPU machines compared libpthread, as libpthread was
surprisingly low on a single CPU.
libc_r average hits per minute: 8,841
libc_r session average:4,481
libc_r transactions per minute: 2,947
libthr average hits per minute: 9,020
libthr session average: 4,380
libthr transactions per minute: 3,004
libpthread average hits per minute: 6,128
libpthread session average: 3,139
libpthread transactions per minute: 2,043
For completeness here is a repaste of the SMP kernel results
libc_r average hits per minute: 6,859
libc_r session average: 3,441
libc_r transactions per minute: 2,310
libthr average hits per minute: 11,581
libthr session average: 5,573
libthr transactions per minute: 3861
libpthread average hits per minute: 8,823
libpthread session average: 4,500
libpthread transactions per minute: 2891
Mike
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