Re: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this

[Sean Neakums]

Jamie Lokier <jamie@xxxxxxxxxxxxx> writes:

> 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.

2-way Pentium III:

$ time ./va
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    0m0.096s
user    0m0.073s
sys     0m0.023s
$ cat /proc/cpuinfo 
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 11
model name      : Intel(R) Pentium(R) III CPU family      1133MHz
stepping        : 1
cpu MHz         : 1129.879
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 pat pse36 mmx fxsr sse
bogomips        : 2220.03

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 11
model name      : Intel(R) Pentium(R) III CPU family      1133MHz
stepping        : 1
cpu MHz         : 1129.879
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 pat pse36 mmx fxsr sse
bogomips        : 2252.80
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