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

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Fri, 29 Aug 2003, Jamie Lokier wrote:
> 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.

Are you also interested in m68k? ;-)

cassandra:/tmp# time ./test
Test separation: 4096 bytes: FAIL - store buffer not coherent
Test separation: 8192 bytes: FAIL - store buffer not coherent
Test separation: 16384 bytes: FAIL - store buffer not coherent
Test separation: 32768 bytes: FAIL - store buffer not coherent
Test separation: 65536 bytes: FAIL - store buffer not coherent
Test separation: 131072 bytes: FAIL - store buffer not coherent
Test separation: 262144 bytes: FAIL - store buffer not coherent
Test separation: 524288 bytes: FAIL - store buffer not coherent
Test separation: 1048576 bytes: FAIL - store buffer not coherent
Test separation: 2097152 bytes: FAIL - store buffer not coherent
Test separation: 4194304 bytes: FAIL - store buffer not coherent
Test separation: 8388608 bytes: FAIL - store buffer not coherent
Test separation: 16777216 bytes: FAIL - store buffer not coherent
VM page alias coherency test: failed; will use copy buffers instead

real	0m0.478s
user	0m0.110s
sys	0m0.190s
cassandra:/tmp# cat /proc/cpuinfo 
CPU:		68040
MMU:		68040
FPU:		68040
Clocking:	24.8MHz
BogoMips:	16.53
Calibration:	82688 loops
cassandra:/tmp# 


callisto$ time ./test
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	0m0.329s
user	0m0.270s
sys	0m0.050s
callisto$ cat /proc/cpuinfo 
cpu		: 604r
clock		: 200MHz
revision	: 18.3 (pvr 0009 1203)
bogomips	: 398.13
machine		: CHRP IBM,LongTrail-2
memory bank 0	: 32 MB SDRAM
memory bank 1	: 32 MB SDRAM
memory bank 2	: 32 MB SDRAM
memory bank 3	: 32 MB SDRAM
board l2	: 512 KB Pipelined Synchronous (Write-Through)
callisto$

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds