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Subj : Importance of Threads
To   : comp.programming.threads
From : aisha1112005
Date : Tue Jan 25 2005 10:29 am

Hello,
       As you said threads get control sequentially but they run
concurrently
(concurrent and not parallel in uniprocessor system).In multiprocessor
system however they may be running in parallel also.
       This increases the speed of execution of the process. Even in
uniprocessor system, many a times a thread is blocked or is sleeping
for some resource. In such situations instead of blocking the whole
process, some other thread can be allowed to run. This increases the
processor utilitisation.It does create a slight overhead on the kernel
but that can be reduced by managing the threads at the user level.The
advantages anyway supersedes the drawbacks of  using multiple threads
as against a single thread in a process.

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