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.TH "SHMEM_SET_CACHE_LINE_INV" "3" "Apr 11, 2024" "" "Open MPI"
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\fI\%shmem_clear_cache_inv\fP(3), \fI\%shmem_set_cache_inv\fP(3),
\fI\%shmem_set_cache_line_inv\fP(3), \fI\%shmem_udcflush\fP(3),
\fI\%shmem_udcflush_line\fP(3) \- Controls data cache utilities
.SH SYNOPSIS
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C or C++:
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.EX
#include <mpp/shmem.h>

void shmem_clear_cache_inv(void)
void shmem_clear_cache_line_inv(void *target)
void shmem_set_cache_inv(void)
void shmem_set_cache_line_inv(void *target)
void shmem_udcflush(void)
void shmem_udcflush_line(void *target)
.EE
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Fortran:
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.EX
INCLUDE \(dqmpp/shmem.fh\(dq

CALL SHMEM_CLEAR_CACHE_INV
CALL SHMEM_CLEAR_CACHE_LINE_INV(target)
CALL SHMEM_SET_CACHE_INV
CALL SHMEM_SET_CACHE_LINE_INV(target)

CALL SHMEM_UDCFLUSH
CALL SHMEM_UDCFLUSH_LINE(target)
.EE
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.SH DESCRIPTION
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The following argument is passed to the cache line control routines:
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.B target
A data object that is local to the processing element (PE). target
can be of any noncharacter type. If you are using Fortran, it can be
of any kind.
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\fI\%shmem_clear_cache_inv\fP disables automatic cache coherency mode
previously enabled by \fI\%shmem_set_cache_inv\fP or \fI\%shmem_set_cache_line_inv\fP\&.
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\fI\%shmem_clear_cache_line_inv\fP disables automatic cache coherency mode
for the cache line associated with the address of \fBtarget\fP only.
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\fI\%shmem_set_cache_inv\fP enables the OpenSHMEM API to automatically
decide the best strategy for cache coherency.
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\fI\%shmem_set_cache_line_inv\fP enables automatic cache coherency mode for
the cache line associated with the address of \fBtarget\fP only.
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\fI\%shmem_clear_cache_inv\fP disables automatic cache coherency mode
previously enabled by \fI\%shmem_set_cache_inv\fP or \fI\%shmem_set_cache_line_inv\fP\&.
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\fI\%shmem_udcflush\fP makes the entire user data cache coherent.
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\fI\%shmem_udcflush_line\fP makes coherent the cache line that corresponds
with the address specified by target.
.SH NOTES
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These routines have been retained for improved backward compatibility
with legacy architectures.
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\fBSEE ALSO:\fP
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\fIintro_shmem\fP(3) \fIshmem_put\fP(3) \fIshmem_swap\fP(3)
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.SH COPYRIGHT
2003-2024, The Open MPI Community
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