is anyone using Linux on an SMP sparc machine (sparc, not sparc64)?
of so, I'd be interested to know whether changing line 57 of
arch/sparc/kernel/smp.c from
cycles_t cacheflush_time = 0; /* XXX */
to
cycles_t cacheflush_time = 1000000; /* 1M cache on SS/50 at 50MB/s */
improves performance noticably. the point is that in the XXX version,
processes will be prone to migrate across CPUs at the drop of a hat...
regards, mark hahn.
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