|
|
|
|
C
|
|
|
|
|
C Parallel Sparse BLAS v2.0
|
|
|
|
|
C (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
C Alfredo Buttari University of Rome Tor Vergata
|
|
|
|
|
C
|
|
|
|
|
C Redistribution and use in source and binary forms, with or without
|
|
|
|
|
C modification, are permitted provided that the following conditions
|
|
|
|
|
C are met:
|
|
|
|
|
C 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
C notice, this list of conditions and the following disclaimer.
|
|
|
|
|
C 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
C notice, this list of conditions, and the following disclaimer in the
|
|
|
|
|
C documentation and/or other materials provided with the distribution.
|
|
|
|
|
C 3. The name of the PSBLAS group or the names of its contributors may
|
|
|
|
|
C not be used to endorse or promote products derived from this
|
|
|
|
|
C software without specific written permission.
|
|
|
|
|
C
|
|
|
|
|
C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
|
|
|
C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
|
|
|
C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
|
|
|
C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
|
|
|
|
|
C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
|
|
|
C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
|
|
|
C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
|
|
|
C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
|
|
|
C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
|
|
|
C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
|
|
|
C POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
C
|
|
|
|
|
C
|
|
|
|
|
C
|
|
|
|
|
C User defined function corresponding to an HPF BLOCK partition
|
|
|
|
|
C
|
|
|
|
|
SUBROUTINE PART_BLK2(IDX,N,NP,PV,NV)
|
|
|
|
|
|
|
|
|
|
IMPLICIT NONE
|
|
|
|
|
|
|
|
|
|
INTEGER IDX, N, NP
|
|
|
|
|
INTEGER NV
|
|
|
|
|
INTEGER PV(*)
|
|
|
|
|
DOUBLE PRECISION DDIFF
|
|
|
|
|
INTEGER IB1, IB2, IP, NB, NB1, NNB1
|
|
|
|
|
|
|
|
|
|
NV = 1
|
|
|
|
|
NB = N/NP
|
|
|
|
|
NB1 = NB+1
|
|
|
|
|
NNB1 = MOD(N,NP)
|
|
|
|
|
IF (IDX .LE. (NNB1*NB1)) THEN
|
|
|
|
|
PV(1) = (IDX - 1) / NB1
|
|
|
|
|
ELSE
|
|
|
|
|
IF (NB > 0) THEN
|
|
|
|
|
IP = ( (IDX-NNB1*NB1) - 1)/NB
|
|
|
|
|
PV(1) = NNB1 + IP
|
|
|
|
|
ELSE
|
|
|
|
|
write(0,*) 'Impossible ??? '
|
|
|
|
|
PV(1) = NNB1
|
|
|
|
|
ENDIF
|
|
|
|
|
ENDIF
|
|
|
|
|
|
|
|
|
|
RETURN
|
|
|
|
|
END
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SUBROUTINE BLD_PARTBLK2(N,NP,IVG)
|
|
|
|
|
|
|
|
|
|
INTEGER N, IVG(*),NP
|
|
|
|
|
INTEGER IB1, IB2, IP, NB, NB1, NNB1, I
|
|
|
|
|
|
|
|
|
|
NB = N/NP
|
|
|
|
|
NB1 = NB+1
|
|
|
|
|
NNB1 = MOD(N,NP)
|
|
|
|
|
DO I=1,N
|
|
|
|
|
IF (I .LE. (NNB1*NB1)) THEN
|
|
|
|
|
IVG(I) = (I - 1) / NB1
|
|
|
|
|
ELSE
|
|
|
|
|
IF (NB > 0) THEN
|
|
|
|
|
IP = ( (I-NNB1*NB1) - 1)/NB
|
|
|
|
|
IVG(I) = NNB1 + IP
|
|
|
|
|
ELSE
|
|
|
|
|
write(0,*) 'Impossible ??? '
|
|
|
|
|
IVG(I) = NNB1
|
|
|
|
|
ENDIF
|
|
|
|
|
ENDIF
|
|
|
|
|
ENDDO
|
|
|
|
|
|
|
|
|
|
END
|
