Re: Timer updates revision 7 (asm sets predicates/various fixes)

David Mosberger
2004-07-30T04:23:46Z

>>>>> On Thu, 29 Jul 2004 20:52:49 -0700 (PDT), Christoph Lameter <clameter@sgi.com> said:

Christoph> Here is an update of the patches that does not rely on
Christoph> bit patterns in C to set predicates. Various other issues
Christoph> were fixed as well. New code is now 2 or 3 cycles faster
Christoph> than the old code.

Christoph> Testing on an HP RX2600 (2x IA64 900 Mhz) yields:

Christoph> Old Code:

Christoph> singsing:/usr/src/noship-tests # ./dmt
Christoph> gettimeofday cycles: 3250 215 215 215 215 215 215 215 215 215

It occurred to me now why your numbers are higher: I linked my program
statically, whereas yours is probably linked dynamically?

--david