Messages in this thread | | | Subject | Re: [RFC PATCH v2 09/14] m68k: hp300: Remove hp300_gettimeoffset() | From | Michael Schmitz <> | Date | Sun, 25 Nov 2018 15:44:33 +1300 |
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Hi Finn,
Am 25.11.2018 um 14:15 schrieb Finn Thain: > Maybe the timer interrupt has a sufficiently high priority and latency is > low? Maybe cia_set_irq() is really expensive? > > I don't know the platform well enough so I'm inclined to revert. We can > benchmark gettimeofday syscalls on elgar but is that hardware > representative of other relevant models?
I suppose the CIA is on the main board, so running with the slower clock speed that you'd see with a vanilla Amiga without 060 accelerator board. Ought to be representative enough?
Adrian has a few other Amigas with different hardware base, so we might be able to get test coverage on more than one model.
Cheers,
Michael
> [1] > https://github.com/mamedev/mame/commit/e2ed0490520f538c346c8bdaa9084bcbc43427cb > > [2] > http://vice-emu.sourceforge.net/vice_9.html > > [3] > https://www.commodore.ca/manuals/funet/cbm/documents/chipdata/cia6526.zip >
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