/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2009 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2007-2010 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/mca/event/event.h"
#include "mpi.h"
#include "ompi/runtime/params.h"
#include "ompi/mca/pml/pml.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/pml/base/pml_base_bsend.h"
#include "pml_ob1.h"
#include "pml_ob1_hdr.h"
#include "pml_ob1_sendreq.h"
#include "pml_ob1_recvreq.h"
#include "pml_ob1_rdmafrag.h"
#include "pml_ob1_recvfrag.h"
#include "ompi/mca/bml/base/base.h"
#include "pml_ob1_component.h"
#include "ompi/mca/allocator/base/base.h"
OBJ_CLASS_INSTANCE( mca_pml_ob1_pckt_pending_t,
ompi_free_list_item_t,
NULL,
NULL );
static int mca_pml_ob1_component_open(void);
static int mca_pml_ob1_component_close(void);
static mca_pml_base_module_t*
mca_pml_ob1_component_init( int* priority, bool enable_progress_threads,
bool enable_mpi_threads );
static int mca_pml_ob1_component_fini(void);
int mca_pml_ob1_output = 0;
mca_pml_base_component_2_0_0_t mca_pml_ob1_component = {
/* First, the mca_base_component_t struct containing meta
information about the component itself */
{
MCA_PML_BASE_VERSION_2_0_0,
"ob1", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
mca_pml_ob1_component_open, /* component open */
mca_pml_ob1_component_close /* component close */
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
mca_pml_ob1_component_init, /* component init */
mca_pml_ob1_component_fini /* component finalize */
};
void *mca_pml_ob1_seg_alloc( struct mca_mpool_base_module_t* mpool,
size_t* size,
mca_mpool_base_registration_t** registration);
void mca_pml_ob1_seg_free( struct mca_mpool_base_module_t* mpool,
void* segment );
static inline int mca_pml_ob1_param_register_int(
const char* param_name,
int default_value)
{
int id = mca_base_param_register_int("pml","ob1",param_name,NULL,default_value);
int param_value = default_value;
mca_base_param_lookup_int(id,¶m_value);
return param_value;
}
static int mca_pml_ob1_component_open(void)
{
int value;
mca_allocator_base_component_t* allocator_component;
value = mca_pml_ob1_param_register_int("verbose", 0);
mca_pml_ob1_output = opal_output_open(NULL);
opal_output_set_verbosity(mca_pml_ob1_output, value);
mca_pml_ob1.free_list_num =
mca_pml_ob1_param_register_int("free_list_num", 4);
mca_pml_ob1.free_list_max =
mca_pml_ob1_param_register_int("free_list_max", -1);
mca_pml_ob1.free_list_inc =
mca_pml_ob1_param_register_int("free_list_inc", 64);
mca_pml_ob1.priority =
mca_pml_ob1_param_register_int("priority", 20);
mca_pml_ob1.send_pipeline_depth =
mca_pml_ob1_param_register_int("send_pipeline_depth", 3);
mca_pml_ob1.recv_pipeline_depth =
mca_pml_ob1_param_register_int("recv_pipeline_depth", 4);
/* NTH: we can get into a live-lock situation in the RDMA failure path so disable
RDMA retries for now. Falling back to send may suck but it is better than
hanging */
mca_pml_ob1.rdma_retries_limit = 0;
/* mca_pml_ob1.rdma_retries_limit = */
/* mca_pml_ob1_param_register_int("rdma_retries_limit", 5); */
mca_pml_ob1.max_rdma_per_request =
mca_pml_ob1_param_register_int("max_rdma_per_request", 4);
mca_pml_ob1.max_send_per_range =
mca_pml_ob1_param_register_int("max_send_per_range", 4);
mca_pml_ob1.unexpected_limit =
mca_pml_ob1_param_register_int("unexpected_limit", 128);
mca_base_param_reg_string(&mca_pml_ob1_component.pmlm_version,
"allocator",
"Name of allocator component for unexpected messages",
false, false,
"bucket",
&mca_pml_ob1.allocator_name);
allocator_component = mca_allocator_component_lookup( mca_pml_ob1.allocator_name );
if(NULL == allocator_component) {
opal_output(0, "mca_pml_ob1_component_open: can't find allocator: %s\n", mca_pml_ob1.allocator_name);
return OMPI_ERROR;
}
mca_pml_ob1.allocator = allocator_component->allocator_init(true,
mca_pml_ob1_seg_alloc,
mca_pml_ob1_seg_free, NULL);
if(NULL == mca_pml_ob1.allocator) {
opal_output(0, "mca_pml_ob1_component_open: unable to initialize allocator\n");
return OMPI_ERROR;
}
mca_pml_ob1.enabled = false;
return mca_bml_base_open();
}
static int mca_pml_ob1_component_close(void)
{
int rc;
if (OMPI_SUCCESS != (rc = mca_bml_base_close())) {
return rc;
}
if (NULL != mca_pml_ob1.allocator_name) {
free(mca_pml_ob1.allocator_name);
}
opal_output_close(mca_pml_ob1_output);
return OMPI_SUCCESS;
}
static mca_pml_base_module_t*
mca_pml_ob1_component_init( int* priority,
bool enable_progress_threads,
bool enable_mpi_threads )
{
opal_output_verbose( 10, mca_pml_ob1_output,
"in ob1, my priority is %d\n", mca_pml_ob1.priority);
if((*priority) > mca_pml_ob1.priority) {
*priority = mca_pml_ob1.priority;
return NULL;
}
*priority = mca_pml_ob1.priority;
if(OMPI_SUCCESS != mca_bml_base_init( enable_progress_threads,
enable_mpi_threads)) {
return NULL;
}
/* Set this here (vs in component_open()) because
ompi_mpi_leave_pinned* may have been set after MCA params were
read (e.g., by the openib btl) */
mca_pml_ob1.leave_pinned = (1 == ompi_mpi_leave_pinned);
mca_pml_ob1.leave_pinned_pipeline = (int) ompi_mpi_leave_pinned_pipeline;
return &mca_pml_ob1.super;
}
int mca_pml_ob1_component_fini(void)
{
int rc;
/* Shutdown BML */
if(OMPI_SUCCESS != (rc = mca_bml.bml_finalize()))
return rc;
if(!mca_pml_ob1.enabled)
return OMPI_SUCCESS; /* never selected.. return success.. */
mca_pml_ob1.enabled = false; /* not anymore */
OBJ_DESTRUCT(&mca_pml_ob1.rdma_pending);
OBJ_DESTRUCT(&mca_pml_ob1.pckt_pending);
OBJ_DESTRUCT(&mca_pml_ob1.recv_pending);
OBJ_DESTRUCT(&mca_pml_ob1.send_pending);
OBJ_DESTRUCT(&mca_pml_ob1.non_existing_communicator_pending);
OBJ_DESTRUCT(&mca_pml_ob1.buffers);
OBJ_DESTRUCT(&mca_pml_ob1.pending_pckts);
OBJ_DESTRUCT(&mca_pml_ob1.recv_frags);
OBJ_DESTRUCT(&mca_pml_ob1.rdma_frags);
OBJ_DESTRUCT(&mca_pml_ob1.lock);
if(OMPI_SUCCESS != (rc = mca_pml_ob1.allocator->alc_finalize(mca_pml_ob1.allocator))) {
return rc;
}
#if 0
if (mca_pml_base_send_requests.fl_num_allocated !=
mca_pml_base_send_requests.super.opal_list_length) {
opal_output(0, "ob1 send requests: %d allocated %d returned\n",
mca_pml_base_send_requests.fl_num_allocated,
mca_pml_base_send_requests.super.opal_list_length);
}
if (mca_pml_base_recv_requests.fl_num_allocated !=
mca_pml_base_recv_requests.super.opal_list_length) {
opal_output(0, "ob1 recv requests: %d allocated %d returned\n",
mca_pml_base_recv_requests.fl_num_allocated,
mca_pml_base_recv_requests.super.opal_list_length);
}
#endif
return OMPI_SUCCESS;
}
void *mca_pml_ob1_seg_alloc( struct mca_mpool_base_module_t* mpool,
size_t* size,
mca_mpool_base_registration_t** registration) {
return malloc(*size);
}
void mca_pml_ob1_seg_free( struct mca_mpool_base_module_t* mpool,
void* segment ) {
free(segment);
}