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58 lines
1.2 KiB
Fortran
58 lines
1.2 KiB
Fortran
! Test of reduction on parallel directive (with async).
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! Variant of "../libgomp.oacc-c-c++-common/par-reduction-2.c".
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! Variant using the "openacc" module.
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! { dg-do run }
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PROGRAM MAIN
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USE OPENACC
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IMPLICIT NONE
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INTEGER RES, RES1, RES2
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RES1 = 0
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RES2 = 0
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!$ACC PARALLEL NUM_GANGS(256) NUM_WORKERS(32) VECTOR_LENGTH(32)
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!$ACC& REDUCTION(+:RES1) COPY(RES1, RES2) ASYNC(1)
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res1 = res1 + 5
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!$ACC ATOMIC
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res2 = res2 + 5
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!$ACC END PARALLEL
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IF (ACC_GET_DEVICE_TYPE () .EQ. ACC_DEVICE_HOST) THEN
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RES = 1 * 5
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ELSE
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RES = 256 * 5
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END IF
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CALL ACC_ASYNC_WAIT (1)
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IF (RES .NE. RES1) STOP 1
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IF (RES .NE. RES2) STOP 2
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RES1 = 1
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RES2 = 1
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!$ACC PARALLEL NUM_GANGS(8) NUM_WORKERS(32) VECTOR_LENGTH(32)
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!$ACC& REDUCTION(*:RES1) COPY(RES1, RES2) ASYNC(1)
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res1 = res1 * 5
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!$ACC ATOMIC
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res2 = res2 * 5
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!$ACC END PARALLEL
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IF (ACC_GET_DEVICE_TYPE () .EQ. ACC_DEVICE_HOST) THEN
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RES = 5 ** 1
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ELSE
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RES = 5 ** 8
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END IF
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CALL ACC_ASYNC_WAIT_ALL
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IF (RES .NE. RES1) STOP 3
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IF (RES .NE. RES2) STOP 4
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END PROGRAM
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