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openmpi/ompi/mca/btl/ugni/btl_ugni_frag.c
Nathan Hjelm 0ccfd3e6db ugni btl update. changes:
- re-enable sendi
 - move smsg common code into btl_ugni_smsg.h
 - added new parameters for smsg/eager frags
 - use get for frags larger than the smsg_limit
 - bug fixes
 - code cleanup

This commit was SVN r25897.
2012-02-10 00:47:29 +00:00

54 строки
2.0 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011-2012 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2011 UT-Battelle, LLC. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "btl_ugni.h"
#include "btl_ugni_frag.h"
static inline void mca_btl_ugni_smsg_frag_constructor (mca_btl_ugni_base_frag_t *frag)
{
/* send memory does not need to be registered so we do not need a mpool */
memset ((char *) frag + sizeof (frag->base), 0, sizeof (*frag) - sizeof (frag->base));
frag->buffer = frag->segments[0].seg_addr.pval = calloc (1, mca_btl_ugni_component.smsg_max_data);
}
static inline void mca_btl_ugni_frag_destructor (mca_btl_ugni_base_frag_t *frag)
{
if (NULL != frag->buffer) {
free (frag->buffer);
}
}
static inline void mca_btl_ugni_rdma_frag_constructor (mca_btl_ugni_base_frag_t *frag)
{
/* we don't need any buffer memory for rdma frags */
memset ((char *) frag + sizeof (frag->base), 0, sizeof (*frag) - sizeof (frag->base));
}
static inline void mca_btl_ugni_eager_frag_constructor (mca_btl_ugni_base_frag_t *frag)
{
struct mca_btl_ugni_reg_t *reg =
(struct mca_btl_ugni_reg_t *) frag->base.super.registration;
memset ((char *) frag + sizeof (frag->base), 0, sizeof (*frag) - sizeof (frag->base));
frag->segments[0].seg_addr.pval = frag->base.super.ptr;
memmove (frag->segments[0].seg_key.key64, &reg->memory_hdl, sizeof (reg->memory_hdl));
}
OBJ_CLASS_INSTANCE(mca_btl_ugni_smsg_frag_t, mca_btl_base_descriptor_t,
mca_btl_ugni_smsg_frag_constructor, mca_btl_ugni_frag_destructor);
OBJ_CLASS_INSTANCE(mca_btl_ugni_rdma_frag_t, mca_btl_base_descriptor_t,
mca_btl_ugni_rdma_frag_constructor, mca_btl_ugni_frag_destructor);
OBJ_CLASS_INSTANCE(mca_btl_ugni_eager_frag_t, mca_btl_base_descriptor_t,
mca_btl_ugni_eager_frag_constructor, mca_btl_ugni_frag_destructor);