"Peter Hansen" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]
John Roth wrote:I have yet to write a multi-thread program for performance reasons.
If we include in the set of things covered by the term "performance" not only throughput, but also latency, then I suspect you actually have written some multithreaded programs for "performance" reasons.
*I* certainly have: that's easily the reason for threading in 95% of the cases I've dealt with, and I suspect those of many others.
Actually, I've never written a multi-threaded program for any reason. There were only two times I had to deal with concurrency: one was a very nice co-routine implementation (HASP, the predecessor to the JES2 subsystem on MVS), and the other was event driven (on an IBM SP). The former system didn't have a threading library, let alone a lightweight one, and the event driven design was a lot simpler for the second application - and I did consider all three options.
John Roth
-Peter
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