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Re: [MiNT] Daily freemint kernel builds
@Miro + Alan:
> but you know, better 100% working 66 MHz than
> maybe-something-silently-not-working XX MHz
> You may not like it, but it just be life for you that your CT60 can't
> run 100% stable at 100MHz.
Yes, of course you're right. But i'm feeling a little bit disappointed
somehow...well, not really ;-)
> What model 060 CPU do you have - IIRC, Rodolphe posted the numbers on his
> website for the models that were fairly reliable for bumping up the speed.
68060 Rev.6 Mask E41J with latest ABE+SDR V7A. So it should work good
with 'high speed'.
> Do you have the CTCM? Makes it so easy to play with the speeds...
Yes, CTCM installed.
> What is more likely happening is that corruption is being
> introduced during the calculation of decompression, and that corruption
> is being caused by the cpu probably. Using an FPU accuracy checker may
> yield a test failure but none of these packages are built to use fpu.
> It's all in here: http://aoi.atari-source.org/~mduckworth/fputest.tar.gz
Hm, $fptest shows (no matter what CPU speed):
rounding is double, result = 0x640006, expected result = 0x640005
rounding is float, result = 0x640006, expected result = 0x640005
BENCH.TOS 66 Mhz: 0.810 seconds
90 MHz: 0.620 seconds
100 MHz: 0.565 seconds
FPUTEST.TOS pass until ~100000 without problems at 66 and 90 Mhz, then i
stopped it manually. At 100 MHz, errors are shown right from the start.
How long shall i run FPUTEST.TOS?
One more: The first block seems always to be compressed correct (at
90 and 100 MHz):
bzip2 -vv /h/ozk-15012010.tar
block 1: crc = 0x820d2ecd, combined CRC = 0x820d2ecd, size = 899981
bzip2/libbzip2: internal error number 1007.
Again, thank you all. Perhaps i'll test some other SDRAM. But now i look
how the builds are working on my Falcon.