[Mono-bugs] [Bug 487846] PPC code gen is inefficient in several areas

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Sat Jun 27 22:10:55 EDT 2009


User munroesj at us.ibm.com added comment

--- Comment #17 from Steven Munroe <munroesj at us.ibm.com>  2009-06-27 20:10:50 MDT ---
Yes this is an interesting problem as Power Server has dynamic CPU add/remove.

There are two cases where we can assume a uni:

1) the Linux kernel is not built for SMP (a uni kernel forces uniprocessor
execution independent of the number of (possible) CPUs available.

2) There is only 1 CPU in the system. (sysconf (_SC_NPROCESSORS_CONF) ==
sysconf (_SC_NPROCESSORS_ONLN) == 1)

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