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SubjectRe: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this
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Ran it on a few systems here.

Corel NetWinder (275MHz StrongARM)
Test separation: 4096 bytes: FAIL - cache not coherent
Test separation: 8192 bytes: FAIL - cache not coherent
Test separation: 16384 bytes: FAIL - cache not coherent
Test separation: 32768 bytes: FAIL - cache not coherent
Test separation: 65536 bytes: FAIL - cache not coherent
Test separation: 131072 bytes: FAIL - cache not coherent
Test separation: 262144 bytes: FAIL - cache not coherent
Test separation: 524288 bytes: FAIL - cache not coherent
Test separation: 1048576 bytes: FAIL - cache not coherent
Test separation: 2097152 bytes: FAIL - cache not coherent
Test separation: 4194304 bytes: FAIL - cache not coherent
Test separation: 8388608 bytes: FAIL - cache not coherent
Test separation: 16777216 bytes: FAIL - cache not coherent
VM page alias coherency test: failed; will use copy buffers instead

cat /proc/cpuinfo
Processor : StrongARM-110 rev 3 (v4l)
BogoMIPS : 185.95
Features : swp half 26bit fastmult

Hardware : Rebel-NetWinder
Revision : 52ff
Serial : 00000000000008bf


HP zx6000 (2xItanium 2)
time ./test
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 0m7.455s
user 0m7.412s
sys 0m0.040s

cat /proc/cpuinfo
processor : 0
vendor : GenuineIntel
arch : IA-64
family : Itanium 2
model : 0
revision : 7
archrev : 0
features : branchlong
cpu number : 0
cpu regs : 4
cpu MHz : 900.000000
itc MHz : 900.000000
BogoMIPS : 1346.37



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