4.A Loop Level Paradigm

• Execute each loop in parallel

• Easy to parallelize code

• Similar to automatic parallelization

  • Eg, SGI APO may be good start
    -apo -mplist

• Incremental

  • One loop at a time
  • Doesn’t break code

C$OMP PARALLEL DO

do i=1,n

enddo

alpha = xnorm/sum

C$OMP PARALLEL DO

do i=1,n

enddo

C$OMP PARALLEL DO

do i=1,n

enddo

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