221 строка
6.6 KiB
C
221 строка
6.6 KiB
C
/*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "include/constants.h"
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#include "util/output.h"
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#include "threads/thread.h"
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#include "ptl_mx.h"
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#include "ptl_mx_recvfrag.h"
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#include "ptl_mx_sendfrag.h"
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#include "ptl_mx_peer.h"
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/*
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* The MX component
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*/
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mca_ptl_mx_component_t mca_ptl_mx_component = {
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{
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/* First, the mca_base_module_t struct containing meta
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information about the module itself */
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{
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/* Indicate that we are a pml v1.0.0 module (which also
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implies a specific MCA version) */
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MCA_PTL_BASE_VERSION_1_0_0,
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"mx", /* MCA module name */
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1, /* MCA module major version */
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0, /* MCA module minor version */
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0, /* MCA module release version */
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mca_ptl_mx_component_open, /* module open */
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mca_ptl_mx_component_close /* module close */
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},
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/* Next the MCA v1.0.0 module meta data */
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{
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/* Whether the module is checkpointable or not */
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false
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},
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mca_ptl_mx_component_init,
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mca_ptl_mx_component_control,
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mca_ptl_mx_component_progress,
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}
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};
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/*
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* utility routines for parameter registration
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*/
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static inline char* mca_ptl_mx_param_register_string(
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const char* param_name,
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const char* default_value)
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{
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char *param_value;
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int id = mca_base_param_register_string("ptl","mx",param_name,NULL,default_value);
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mca_base_param_lookup_string(id, ¶m_value);
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return param_value;
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}
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static inline int mca_ptl_mx_param_register_int(
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const char* param_name,
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int default_value)
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{
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int id = mca_base_param_register_int("ptl","mx",param_name,NULL,default_value);
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int param_value = default_value;
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mca_base_param_lookup_int(id,¶m_value);
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return param_value;
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}
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/*
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* Called by MCA framework to open the module, registers
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* module parameters.
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*/
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int mca_ptl_mx_component_open(void)
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{
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/* initialize state */
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mca_ptl_mx_component.mx_ptls = NULL;
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mca_ptl_mx_component.mx_num_ptls = 0;
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/* initialize objects */
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OBJ_CONSTRUCT(&mca_ptl_mx_component.mx_lock, ompi_mutex_t);
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OBJ_CONSTRUCT(&mca_ptl_mx_component.mx_send_frags, ompi_free_list_t);
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OBJ_CONSTRUCT(&mca_ptl_mx_component.mx_recv_frags, ompi_free_list_t);
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OBJ_CONSTRUCT(&mca_ptl_mx_component.mx_procs, ompi_hash_table_t);
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OBJ_CONSTRUCT(&mca_ptl_mx_component.mx_pending_acks, ompi_hash_table_t);
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/* register MX module parameters */
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mca_ptl_mx_component.mx_filter =
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(uint32_t)mca_ptl_mx_param_register_int("filter", 0xdeadbeef);
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mca_ptl_mx_component.mx_prepost =
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mca_ptl_mx_param_register_int("prepost", 16);
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mca_ptl_mx_component.mx_free_list_num =
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mca_ptl_mx_param_register_int("free_list_num", 256);
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mca_ptl_mx_component.mx_free_list_max =
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mca_ptl_mx_param_register_int("free_list_max", -1);
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mca_ptl_mx_component.mx_free_list_inc =
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mca_ptl_mx_param_register_int("free_list_inc", 256);
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mca_ptl_mx_module.super.ptl_exclusivity =
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mca_ptl_mx_param_register_int("exclusivity", 0);
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mca_ptl_mx_module.super.ptl_first_frag_size =
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mca_ptl_mx_param_register_int("first_frag_size", 64*1024);
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mca_ptl_mx_module.super.ptl_min_frag_size =
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mca_ptl_mx_param_register_int("min_frag_size", 64*1024);
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mca_ptl_mx_module.super.ptl_max_frag_size =
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mca_ptl_mx_param_register_int("max_frag_size", -1);
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return OMPI_SUCCESS;
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}
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/*
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* module cleanup - sanity checking of queue lengths
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*/
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int mca_ptl_mx_component_close(void)
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{
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if (mca_ptl_mx_component.mx_send_frags.fl_num_allocated !=
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mca_ptl_mx_component.mx_send_frags.super.ompi_list_length) {
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ompi_output(0, "mx send frags: %d allocated %d returned\n",
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mca_ptl_mx_component.mx_send_frags.fl_num_allocated,
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mca_ptl_mx_component.mx_send_frags.super.ompi_list_length);
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}
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if (mca_ptl_mx_component.mx_recv_frags.fl_num_allocated !=
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mca_ptl_mx_component.mx_recv_frags.super.ompi_list_length) {
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ompi_output(0, "mx recv frags: %d allocated %d returned\n",
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mca_ptl_mx_component.mx_recv_frags.fl_num_allocated,
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mca_ptl_mx_component.mx_recv_frags.super.ompi_list_length);
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}
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/* release resources */
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OBJ_DESTRUCT(&mca_ptl_mx_component.mx_send_frags);
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OBJ_DESTRUCT(&mca_ptl_mx_component.mx_recv_frags);
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OBJ_DESTRUCT(&mca_ptl_mx_component.mx_lock);
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OBJ_DESTRUCT(&mca_ptl_mx_component.mx_pending_acks);
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return OMPI_SUCCESS;
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}
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/*
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* MX module initialization.
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*/
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mca_ptl_base_module_t** mca_ptl_mx_component_init(
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int *num_ptls,
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bool *allow_multi_user_threads,
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bool *have_hidden_threads)
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{
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mca_ptl_base_module_t** ptls;
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*num_ptls = 0;
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*allow_multi_user_threads = true;
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*have_hidden_threads = OMPI_HAVE_THREADS;
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ompi_free_list_init(&mca_ptl_mx_component.mx_send_frags,
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sizeof(mca_ptl_mx_send_frag_t),
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OBJ_CLASS(mca_ptl_mx_send_frag_t),
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mca_ptl_mx_component.mx_free_list_num,
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mca_ptl_mx_component.mx_free_list_max,
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mca_ptl_mx_component.mx_free_list_inc,
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NULL); /* use default allocator */
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ompi_free_list_init(&mca_ptl_mx_component.mx_recv_frags,
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sizeof(mca_ptl_mx_recv_frag_t),
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OBJ_CLASS(mca_ptl_mx_recv_frag_t),
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mca_ptl_mx_component.mx_free_list_num,
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mca_ptl_mx_component.mx_free_list_max,
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mca_ptl_mx_component.mx_free_list_inc,
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NULL); /* use default allocator */
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/* intialize process hash table */
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ompi_hash_table_init(&mca_ptl_mx_component.mx_procs, 256);
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/* initialize mx ptls */
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if(OMPI_SUCCESS != mca_ptl_mx_module_init())
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return NULL;
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/* allocate and return a copy of the ptl array */
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ptls = malloc(mca_ptl_mx_component.mx_num_ptls *
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sizeof(mca_ptl_base_module_t*));
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if(NULL == ptls)
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return NULL;
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memcpy(ptls,
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mca_ptl_mx_component.mx_ptls,
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mca_ptl_mx_component.mx_num_ptls*sizeof(mca_ptl_mx_module_t*));
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*num_ptls = mca_ptl_mx_component.mx_num_ptls;
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return ptls;
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}
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/*
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* MX module control
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*/
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int mca_ptl_mx_component_control(int param, void* value, size_t size)
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{
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switch(param) {
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case MCA_PTL_ENABLE:
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if(*(int*)value)
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; /* enable forwarding */
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else
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; /* disable forwarding */
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break;
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default:
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break;
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}
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return OMPI_SUCCESS;
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}
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/*
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* MX module progress.
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*/
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int mca_ptl_mx_component_progress(mca_ptl_tstamp_t tstamp)
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{
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return OMPI_SUCCESS;
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}
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