On Thu, Feb 02, 2017 at 01:10:54PM +0100, Borislav Petkov wrote:
> Now on to run the same thing on a bigger bulldozer.
It looks differently on the bigger box:
before:
Performance counter stats for 'make -s -j17 bzImage' (3 runs):
1333240.579196 task-clock (msec) # 9.271 CPUs utilized
( +- 0.03% )
393,521 context-switches # 0.295 K/sec
( +- 0.27% )
6,629,632,543 cache-misses
( +- 0.10% )
51,570 cpu-migrations # 0.039 K/sec
( +- 1.21% )
27,812,379 page-faults # 0.021 M/sec
( +- 0.05% )
3,633,456,270,448 cycles # 2.725 GHz
( +- 0.03% )
2,144,192,888,087 instructions # 0.59 insn per cycle
( +- 0.00% )
476,225,081,234 branches # 357.194 M/sec
( +- 0.00% )
25,294,199,758 branch-misses # 5.31% of all branches
( +- 0.02% )
143.807894000 seconds time elapsed
( +- 0.89% )
after:
Performance counter stats for 'make -s -j17 bzImage' (3 runs):
1330842.218684 task-clock (msec) # 9.047 CPUs utilized
( +- 0.14% )
396,044 context-switches # 0.298 K/sec
( +- 0.60% )
6,625,112,597 cache-misses
( +- 0.36% )
60,050 cpu-migrations # 0.045 K/sec
( +- 1.11% )
27,862,451 page-faults # 0.021 M/sec
( +- 0.08% )
3,625,822,644,429 cycles # 2.724 GHz
( +- 0.12% )
2,144,932,865,362 instructions # 0.59 insn per cycle
( +- 0.01% )
476,375,898,692 branches # 357.951 M/sec
( +- 0.01% )
25,226,837,830 branch-misses # 5.30% of all branches
( +- 0.09% )
147.109189694 seconds time elapsed
( +- 0.49% )
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
