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SubjectRe: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this
On Fri, Aug 29, 2003 at 06:35:10AM +0100, Jamie Lokier wrote:
> Dear All,
>
> I'd appreciate if folks would run the program below on various
> machines, especially those whose caches aren't automatically coherent
> at the hardware level.


Dual Alpha ev6:


ds20:~/src/cachetest$ ./doit
Test separation: 8192 bytes: FAIL - too slow
Test separation: 16384 bytes: FAIL - too slow
Test separation: 32768 bytes: pass
Test separation: 65536 bytes: pass
Test separation: 131072 bytes: pass
Test separation: 262144 bytes: pass
Test separation: 524288 bytes: pass
Test separation: 1048576 bytes: pass
Test separation: 2097152 bytes: pass
Test separation: 4194304 bytes: pass
Test separation: 8388608 bytes: pass
Test separation: 16777216 bytes: pass
VM page alias coherency test: minimum fast spacing: 32768 (4 pages)

real 0m4.148s
user 0m4.029s
sys 0m0.075s
cpu : Alpha
cpu model : EV6
cpu variation : 7
cpu revision : 0
cpu serial number :
system type : Tsunami
system variation : Goldrush
system revision : 0
system serial number : ay91560403
cycle frequency [Hz] : 500000000
timer frequency [Hz] : 1024.00
page size [bytes] : 8192
phys. address bits : 44
max. addr. space # : 255
BogoMIPS : 998.56
kernel unaligned acc : 0 (pc=0,va=0)
user unaligned acc : 0 (pc=0,va=0)
platform string : AlphaServer DS20 500 MHz
cpus detected : 2
cpus active : 2
cpu active mask : 0000000000000003



Single Alpha ev4 (AXPpci33):

Marvin:~/src/cachetest$ ./doit
Test separation: 8192 bytes: pass
Test separation: 16384 bytes: pass
Test separation: 32768 bytes: pass
Test separation: 65536 bytes: pass
Test separation: 131072 bytes: pass
Test separation: 262144 bytes: pass
Test separation: 524288 bytes: pass
Test separation: 1048576 bytes: pass
Test separation: 2097152 bytes: pass
Test separation: 4194304 bytes: pass
Test separation: 8388608 bytes: pass
Test separation: 16777216 bytes: pass
VM page alias coherency test: all sizes passed

real 0m1.442s
user 0m0.853s
sys 0m0.471s
cpu : Alpha
cpu model : LCA4
cpu variation : -4294967301
cpu revision : 0
cpu serial number : Linux_is_Great!
system type : Noname
system variation : 0
system revision : 0
system serial number : MILO-2.2-17
cycle frequency [Hz] : 166868457
timer frequency [Hz] : 1024.00
page size [bytes] : 8192
phys. address bits : 34
max. addr. space # : 63
BogoMIPS : 320.40
kernel unaligned acc : 56014443 (pc=fffffc0000ab65a4,va=fffffc0000b99105)
user unaligned acc : 2695 (pc=2000031ff90,va=11fffef26)
platform string : N/A
cpus detected : 0




ordinary Pentium II:


bash-2.03$ ./doit
Test separation: 4096 bytes: pass
Test separation: 8192 bytes: pass
Test separation: 16384 bytes: pass
Test separation: 32768 bytes: pass
Test separation: 65536 bytes: pass
Test separation: 131072 bytes: pass
Test separation: 262144 bytes: pass
Test separation: 524288 bytes: pass
Test separation: 1048576 bytes: pass
Test separation: 2097152 bytes: pass
Test separation: 4194304 bytes: pass
Test separation: 8388608 bytes: pass
Test separation: 16777216 bytes: pass
VM page alias coherency test: all sizes passed

real 0m0.342s
user 0m0.290s
sys 0m0.030s
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 3
model name : Pentium II (Klamath)
stepping : 4
cpu MHz : 300.691
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov mmx
bogomips : 599.65




bye,
Thorsten

--
| Thorsten Kranzkowski Internet: dl8bcu@dl8bcu.de |
| Mobile: ++49 170 1876134 Snail: Kiebitzstr. 14, 49324 Melle, Germany |
| Ampr: dl8bcu@db0lj.#rpl.deu.eu, dl8bcu@marvin.dl8bcu.ampr.org [44.130.8.19] |
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