finalyze moving
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44
projects/dvm/fdvm/trunk/examples/jach.hpf
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44
projects/dvm/fdvm/trunk/examples/jach.hpf
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PROGRAM JACH
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PARAMETER (L=8, ITMAX=20)
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REAL A(L,L), B(L,L)
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CHPF$ DISTRIBUTE ( BLOCK, BLOCK) :: A
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CHPF$ ALIGN B(I,J) WITH A(I,J)
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C arrays A and B with block distribution
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PRINT *, '********** TEST_JACH **********'
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C nest of two INDEPENDENT loops, iteration (i,j) will be executed on
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C processor, which is owner of element A(i,j)
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CHPF$ INDEPENDENT
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DO 1 J = 1, L
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CHPF$ INDEPENDENT
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DO 1 I = 1, L
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A(I, J) = 0.
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IF(I.EQ.1 .OR. J.EQ.1 .OR. I.EQ.L .OR. J.EQ.L) THEN
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B(I, J) = 0.
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ELSE
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B(I, J) = ( 1. + I + J )
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ENDIF
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1 CONTINUE
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DO 2 IT = 1, ITMAX
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CHPF$ INDEPENDENT
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DO 21 J = 2, L-1
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CHPF$ INDEPENDENT
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DO 21 I = 2, L-1
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A(I, J) = B(I, J)
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21 CONTINUE
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CHPF$ INDEPENDENT
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DO 22 J = 2, L-1
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CHPF$ INDEPENDENT
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DO 22 I = 2, L-1
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B(I, J) = (A( I-1, J ) + A( I, J-1 ) + A( I+1, J)+
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* A( I, J+1 )) / 4
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22 CONTINUE
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PRINT 300, IT
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300 FORMAT(' IT = ',I4)
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2 CONTINUE
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3 OPEN (3, FILE='JACH.DAT', FORM='FORMATTED', STATUS='UNKNOWN')
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WRITE (3,*) B
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CLOSE (3)
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END
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