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NAME
     use_threads - set the upper bound on the number  of  threads
     that the calling thread wants used

     SUBROUTINE USE_THREADS(NTHREADS)

     INTEGER NTHREADS



     #include <sunperf.h>

     void use_threads(int nthreads) ;

PURPOSE
     USE_THREADS sets an upper bound on  the  number  of  threads
     that  the  calling  thread  wants used.  Subsequent calls to
     this routine result  in  replacement  of  the  previous  Use
     number  for  the  calling  thread.   This counts all threads
     working on the  callers  behalf,  so  if  it  passes  2  for
     NTHREADS  and  then  calls some subroutine, there will be at
     most 1 additional thread  started  to  do  the  computation.
     There  is  no  restriction that the sum of all NTHREADS from
     USE_THREADS calls may not exceed the number  of  CPUs  in  a
     system.

ARGUMENTS
     NTHREADS  (input) INTEGER
               Upper bound on number of threads to use.

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