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


On Mon, 1 Sep 2003, Geert Uytterhoeven wrote:

> As you probably know the 68020 had an external MMU (68551, or Sun-3 or Apollo
> MMU). Probably Motorola didn't bother to change the behavior when the MMU got
> integrated in later generations (68030 and up).
>
> BTW, probably you want us to run your test program on other m68k boxes? Mine
> got a 68040, that leaves us with:

> - 68020+Sun-3 MMU

68020+Sun-3 MMU results attached below (this is for a 3/60, and it's not
suprising that it passes, as there's no real cache in this configuration
(the sun3/2xx did have external cache, but the onboard ethernet in my
3/210 is on the fritz, and it's not booting at the moment). Note that
this is the newer version of the program which Jamie just posted.

bash-2.03# time ./jamie-test2
(2048) [10000,10000,0] Test separation: 8192 bytes: pass
(2048) [10000,10000,0] Test separation: 16384 bytes: pass
(2048) [10000,10000,0] Test separation: 32768 bytes: pass
(2048) [10000,10000,0] Test separation: 65536 bytes: pass
(2048) [10000,10000,0] Test separation: 131072 bytes: pass
(2048) [10000,10000,0] Test separation: 262144 bytes: pass
(2048) [10000,10000,0] Test separation: 524288 bytes: pass
(2048) [10000,10000,0] Test separation: 1048576 bytes: pass
(2048) [10000,10000,0] Test separation: 2097152 bytes: pass
(2048) [10000,10000,0] Test separation: 4194304 bytes: pass
(2048) [10000,10000,0] Test separation: 8388608 bytes: pass
(2048) [10000,10000,0] Test separation: 16777216 bytes: pass
VM page alias coherency test: all sizes passed
real 1m34.330s
user 1m30.030s
sys 0m4.070s
bash-2.03# cat /proc/cpuinfo
CPU: 68020
MMU: Sun-3
FPU: 68881
Clocking: 19.9MHz
BogoMips: 4.97
Calibration: 24896 loops


-- Sam




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