Slow operation on multiprocessor machine

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I was wondering if anybody else had seen the following:

I have a multiprocessor system (Intel P4). I use Wine to run the Tasking 56300 DSP compiler (Tasking, brilliant folks they are, *had* a Linux version, that they DROPPED support for!).

Doing a build of a fairly large project (over a hundred files), with nothing much else going on, the compiles run very slowly, the system is at less than 2% CPU load, and the disk system is idle. There is no reason I can see that the system ISN'T sitting at 100% CPU and burning through the files like a racehorse - but it isn't.

I didn't see this sort of behavior before I got the P4 - when I was on an Athlon 2700 it would put the CPU to 100% during these builds.

So, the question is, "Is there something about running Wine in a multiprocessor system that makes it run slowly?"

Could there be some aspect of the Wine program to Wineserver communications that gets wedged when the processes are running on different CPUs?

Has anybody else run Wine in a multi-CPU environment?

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