148 строки
4.8 KiB
C
148 строки
4.8 KiB
C
/*
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* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "opal/event/event.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/util/output.h"
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#include "ompi/datatype/convertor.h"
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#include "ompi/mca/mtl/base/base.h"
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#include "mtl_mx.h"
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#include "mtl_mx_types.h"
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#include "mtl_mx_request.h"
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#include "myriexpress.h"
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#define MCA_MTL_MX_QUEUE_LENGTH_MAX 2*1024*1024
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static int ompi_mtl_mx_component_open(void);
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static int ompi_mtl_mx_component_close(void);
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static mca_mtl_base_module_t* ompi_mtl_mx_component_init( bool enable_progress_threads,
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bool enable_mpi_threads );
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mca_mtl_mx_component_t mca_mtl_mx_component = {
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{
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/* First, the mca_base_component_t struct containing meta
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* information about the component itself */
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{
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/* Indicate that we are a mtl v1.0.0 component (which also implies
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* a specific MCA version) */
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MCA_MTL_BASE_VERSION_1_0_0,
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"mx", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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ompi_mtl_mx_component_open, /* component open */
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ompi_mtl_mx_component_close /* component close */
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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false
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},
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ompi_mtl_mx_component_init /* component init */
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}
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};
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static int
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ompi_mtl_mx_component_open(void)
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{
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mca_base_param_reg_int(&mca_mtl_mx_component.super.mtl_version, "filter",
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"user assigned value used to filter incomming messages",
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false, false, 0xaaaaffff, &ompi_mtl_mx.mx_filter);
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mca_base_param_reg_int(&mca_mtl_mx_component.super.mtl_version, "timeout",
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"Timeout for connections",
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false, false, 1000, &ompi_mtl_mx.mx_timeout);
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mca_base_param_reg_int(&mca_mtl_mx_component.super.mtl_version, "retries",
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"Number of retries for each new connection before considering the peer as unreacheable",
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false, false, 20, &ompi_mtl_mx.mx_retries);
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mca_base_param_reg_int(&mca_mtl_mx_component.super.mtl_version, "shared_mem",
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"Enable the MX support for shared memory",
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false, true, 1, &ompi_mtl_mx.mx_support_sharedmem );
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mca_base_param_reg_int(&mca_mtl_mx_component.super.mtl_version, "unexpected_queue_length",
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"Length of MX unexpected message queue",
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false, false, MCA_MTL_MX_QUEUE_LENGTH_MAX, &ompi_mtl_mx.mx_unexp_queue_max);
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if(ompi_mtl_mx.mx_unexp_queue_max > MCA_MTL_MX_QUEUE_LENGTH_MAX) {
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ompi_mtl_mx.mx_unexp_queue_max = MCA_MTL_MX_QUEUE_LENGTH_MAX;
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}
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return OMPI_SUCCESS;
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}
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static int
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ompi_mtl_mx_component_close(void)
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{
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return OMPI_SUCCESS;
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}
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static mca_mtl_base_module_t*
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ompi_mtl_mx_component_init(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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mx_return_t mx_return;
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int ret;
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/* set the MX error handle to always return. This function is the
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* only MX function allowed to be called before mx_init in order
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* to make sure that if the MX is not up and running the MX
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* library does not exit the application.
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*/
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mx_set_error_handler(MX_ERRORS_RETURN);
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/* initialize the mx library */
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mx_return = mx_init();
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if(mx_return!=MX_SUCCESS) {
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opal_output(ompi_mtl_base_output,
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"Error in mx_init (error %s)\n",
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mx_strerror(mx_return));
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return NULL;
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}
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ret = ompi_mtl_mx_module_init();
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if (OMPI_SUCCESS != ret) {
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return NULL;
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}
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ompi_mtl_mx.super.mtl_request_size =
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sizeof(mca_mtl_mx_request_t) -
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sizeof(struct mca_mtl_request_t);
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return &ompi_mtl_mx.super;
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}
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