/*
 * One time initialization at startup
 */
int mca_pml_base_bsend_init(bool thread_safe)
{
    size_t tmp;

    if(OPAL_THREAD_ADD32(&mca_pml_bsend_init, 1) > 1)
        return OMPI_SUCCESS;

    /* initialize static objects */
    OBJ_CONSTRUCT(&mca_pml_bsend_mutex, opal_mutex_t);
    OBJ_CONSTRUCT(&mca_pml_bsend_condition, opal_condition_t);

    /* lookup name of the allocator to use for buffered sends */
    if(NULL == (mca_pml_bsend_allocator_component = mca_allocator_component_lookup(ompi_pml_base_bsend_allocator_name))) {
        return OMPI_ERR_BUFFER;
    }

    /* determine page size */
    tmp = mca_pml_bsend_pagesz = sysconf(_SC_PAGESIZE);
    mca_pml_bsend_pagebits = 0;
    while( tmp != 0 ) {
        tmp >>= 1;
        mca_pml_bsend_pagebits++;
    }
    return OMPI_SUCCESS;
}
示例#2
0
int mca_common_ompio_cuda_alloc_init ( void )
{
    bool thread_safe=true;

    if(OPAL_THREAD_ADD_FETCH32(&mca_common_ompio_cuda_init, 1) > 1)
        return OMPI_SUCCESS;

    /* initialize static objects */
    OBJ_CONSTRUCT(&mca_common_ompio_cuda_mutex, opal_mutex_t);

    OPAL_THREAD_LOCK (&mca_common_ompio_cuda_mutex );
    /* lookup name of the allocator to use */
    if(NULL == (mca_common_ompio_allocator_component = mca_allocator_component_lookup("basic"))) {
        OPAL_THREAD_UNLOCK(&mca_common_ompio_cuda_mutex);
        return OMPI_ERR_BUFFER;
    }

    /* create an instance of the allocator */
    mca_common_ompio_allocator = mca_common_ompio_allocator_component->allocator_init(thread_safe, 
                                                                                      mca_common_ompio_cuda_alloc_seg, 
                                                                                      mca_common_ompio_cuda_free_seg, 
                                                                                      NULL);
    if(NULL == mca_common_ompio_allocator) {
        OPAL_THREAD_UNLOCK(&mca_common_ompio_cuda_mutex);
        return OMPI_ERR_BUFFER;
    }

//    mca_common_ompio_pagesize = sysconf(_SC_PAGESIZE);
    mca_common_ompio_pagesize = opal_getpagesize();

    OPAL_THREAD_UNLOCK(&mca_common_ompio_cuda_mutex);
    return OMPI_SUCCESS;
}
示例#3
0
/*
 * One time initialization at startup
 */
int mca_pml_base_bsend_init(bool thread_safe)
{
    char *name;
    size_t tmp;

    if(OPAL_THREAD_ADD32(&mca_pml_bsend_init, 1) > 1)
        return OMPI_SUCCESS;

    /* initialize static objects */
    OBJ_CONSTRUCT(&mca_pml_bsend_mutex, opal_mutex_t);
    OBJ_CONSTRUCT(&mca_pml_bsend_condition, opal_condition_t);

    /* lookup name of the allocator to use for buffered sends */
    (void) mca_base_param_reg_string_name ("pml", "base_bsend_allocator", NULL, false, false,
                                           "basic", &name);

    if(NULL == (mca_pml_bsend_allocator_component = mca_allocator_component_lookup(name))) {
        free(name);
        return OMPI_ERR_BUFFER;
    }
    free(name);

    /* determine page size */
    tmp = mca_pml_bsend_pagesz = sysconf(_SC_PAGESIZE);
    mca_pml_bsend_pagebits = 0;
    while( tmp != 0 ) {
        tmp >>= 1;
        mca_pml_bsend_pagebits++;
    }
    return OMPI_SUCCESS;
}
示例#4
0
mca_mpool_base_module_t *common_sm_mpool_create (mca_common_sm_mpool_resources_t *resources)
{
    mca_common_sm_mpool_module_t *mpool_module;
    mca_allocator_base_component_t* allocator_component;

    /* Make a new mpool module */
    mpool_module = (mca_common_sm_mpool_module_t *) malloc (sizeof (*mpool_module));
    mca_common_sm_mpool_module_init(mpool_module);

    /* set sm_size */
    mpool_module->sm_size = resources->size;

    allocator_component = mca_allocator_component_lookup(resources->allocator);

    /* if specified allocator cannot be loaded - look for an alternative */
    if (NULL == allocator_component) {
        if (opal_list_get_size(&opal_allocator_base_framework.framework_components) == 0) {
            mca_base_component_list_item_t *item =
                (mca_base_component_list_item_t *)
                opal_list_get_first(&opal_allocator_base_framework.framework_components);
            allocator_component =
                (mca_allocator_base_component_t *)item->cli_component;
            opal_output(
                0, "mca_common_sm_mpool_init: "
                "unable to locate allocator: %s - using %s\n",
                resources->allocator,
                allocator_component->allocator_version.mca_component_name);
        } else {
            opal_output(0, "mca_common_sm_mpool_init: "
                        "unable to locate allocator: %s\n",
                        resources->allocator);
            free(mpool_module);
            return NULL;
        }
    }

    mpool_module->mem_node = resources->mem_node;

    if (NULL == (mpool_module->sm_common_module =
        mca_common_sm_module_attach(&resources->bs_meta_buf,
                                    sizeof(mca_common_sm_module_t), 8))) {
        opal_output(0, "mca_common_sm_mpool_init: "
                    "unable to create shared memory mapping (%s)",
                    resources->bs_meta_buf.seg_name);
        free(mpool_module);
        return NULL;
    }

    /* setup allocator */
    mpool_module->sm_allocator =
      allocator_component->allocator_init (true, mca_common_sm_seg_alloc,
                                           NULL, mpool_module->sm_common_module);
    if (NULL == mpool_module->sm_allocator) {
        opal_output(0, "mca_common_sm_mpool_init: unable to initialize allocator");
        free(mpool_module);
        return NULL;
    }

    return &mpool_module->super;
}
示例#5
0
static int mca_pml_csum_component_open(void)
{
    int value;
    mca_allocator_base_component_t* allocator_component;

    value = mca_pml_csum_param_register_int("verbose", 0);
    mca_pml_csum_output = opal_output_open(NULL);
    opal_output_set_verbosity(mca_pml_csum_output, value);

    mca_pml_csum.free_list_num =
        mca_pml_csum_param_register_int("free_list_num", 4);
    mca_pml_csum.free_list_max =
        mca_pml_csum_param_register_int("free_list_max", -1);
    mca_pml_csum.free_list_inc =
        mca_pml_csum_param_register_int("free_list_inc", 64);
    mca_pml_csum.priority =
        mca_pml_csum_param_register_int("priority", 0);
    mca_pml_csum.send_pipeline_depth =
        mca_pml_csum_param_register_int("send_pipeline_depth", 3);
    mca_pml_csum.recv_pipeline_depth =
        mca_pml_csum_param_register_int("recv_pipeline_depth", 4);
    mca_pml_csum.rdma_put_retries_limit =
        mca_pml_csum_param_register_int("rdma_put_retries_limit", 5);
    mca_pml_csum.max_rdma_per_request =
        mca_pml_csum_param_register_int("max_rdma_per_request", 4);
    mca_pml_csum.max_send_per_range =
        mca_pml_csum_param_register_int("max_send_per_range", 4);

    mca_pml_csum.unexpected_limit =
        mca_pml_csum_param_register_int("unexpected_limit", 128);
 
    mca_base_param_reg_string(&mca_pml_csum_component.pmlm_version,
                              "allocator",
                              "Name of allocator component for unexpected messages",
                              false, false,
                              "bucket",
                              &mca_pml_csum.allocator_name);

    allocator_component = mca_allocator_component_lookup( mca_pml_csum.allocator_name );
    if(NULL == allocator_component) {
        opal_output(0, "mca_pml_csum_component_open: can't find allocator: %s\n", mca_pml_csum.allocator_name);
        return OMPI_ERROR;
    }

    mca_pml_csum.allocator = allocator_component->allocator_init(true,
                                                                mca_pml_csum_seg_alloc,
                                                                mca_pml_csum_seg_free, NULL);
    if(NULL == mca_pml_csum.allocator) {
        opal_output(0, "mca_pml_csum_component_open: unable to initialize allocator\n");
        return OMPI_ERROR;
    }

    mca_pml_csum.enabled = false; 
    return mca_bml_base_open(); 
}
示例#6
0
static mca_pml_base_module_t*
mca_pml_ob1_component_init( int* priority,
                            bool enable_progress_threads,
                            bool enable_mpi_threads )
{
    mca_allocator_base_component_t* allocator_component;

    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;

    allocator_component = mca_allocator_component_lookup( mca_pml_ob1.allocator_name );
    if(NULL == allocator_component) {
        opal_output(0, "mca_pml_ob1_component_init: can't find allocator: %s\n", mca_pml_ob1.allocator_name);
        return NULL;
    }

    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_init: unable to initialize allocator\n");
        return NULL;
    }

    if(OMPI_SUCCESS != mca_bml_base_init( enable_progress_threads,
                                          enable_mpi_threads)) {
        return NULL;
    }

    /* Set this here (vs in component_open()) because
       opal_leave_pinned* may have been set after MCA params were
       read (e.g., by the openib btl) */
    mca_pml_ob1.leave_pinned = (1 == opal_leave_pinned);
    mca_pml_ob1.leave_pinned_pipeline = (int) opal_leave_pinned_pipeline;

    return &mca_pml_ob1.super;
}
示例#7
0
/*
 *  Initializes the mpool module.
 */
int mca_mpool_hugepage_module_init(mca_mpool_hugepage_module_t *mpool,
                                  mca_mpool_hugepage_hugepage_t *huge_page)
{
    mca_allocator_base_component_t *allocator_component;
    int rc;

    mpool->super.mpool_component = &mca_mpool_hugepage_component.super;
    mpool->super.mpool_base = NULL; /* no base .. */
    mpool->super.mpool_alloc = mca_mpool_hugepage_alloc;
    mpool->super.mpool_realloc = mca_mpool_hugepage_realloc;
    mpool->super.mpool_free = mca_mpool_hugepage_free;
    mpool->super.mpool_finalize = mca_mpool_hugepage_finalize;
    mpool->super.mpool_ft_event = mca_mpool_hugepage_ft_event;
    mpool->super.flags = MCA_MPOOL_FLAGS_MPI_ALLOC_MEM;

    OBJ_CONSTRUCT(&mpool->lock, opal_mutex_t);

    mpool->huge_page = huge_page;

    /* use an allocator component to reduce waste when making small allocations */
    allocator_component = mca_allocator_component_lookup ("bucket");
    if (NULL == allocator_component) {
        return OPAL_ERR_NOT_AVAILABLE;
    }

    mpool->allocator = allocator_component->allocator_init (true, mca_mpool_hugepage_seg_alloc,
                                                            mca_mpool_hugepage_seg_free, mpool);

    OBJ_CONSTRUCT(&mpool->allocation_tree, opal_rb_tree_t);
    rc = opal_rb_tree_init (&mpool->allocation_tree, mca_mpool_rb_hugepage_compare);
    if (OPAL_SUCCESS != rc) {
        OBJ_DESTRUCT(&mpool->allocation_tree);
        return OPAL_ERR_NOT_AVAILABLE;
    }

    return OPAL_SUCCESS;
}
示例#8
0
static int mca_pml_bfo_component_open(void)
{
    mca_allocator_base_component_t* allocator_component;

    mca_pml_bfo_output = opal_output_open(NULL);
    opal_output_set_verbosity(mca_pml_bfo_output, mca_pml_bfo_verbose);

    allocator_component = mca_allocator_component_lookup( mca_pml_bfo.allocator_name );
    if(NULL == allocator_component) {
        opal_output(0, "mca_pml_bfo_component_open: can't find allocator: %s\n", mca_pml_bfo.allocator_name);
        return OMPI_ERROR;
    }

    mca_pml_bfo.allocator = allocator_component->allocator_init(true,
                                                                mca_pml_bfo_seg_alloc,
                                                                mca_pml_bfo_seg_free, NULL);
    if(NULL == mca_pml_bfo.allocator) {
        opal_output(0, "mca_pml_bfo_component_open: unable to initialize allocator\n");
        return OMPI_ERROR;
    }

    mca_pml_bfo.enabled = false; 
    return mca_base_framework_open(&ompi_bml_base_framework, 0); 
}
static mca_mpool_base_module_t* mca_mpool_sm_init(
    struct mca_mpool_base_resources_t* resources)
{
    char *file_name;
    int len;
    mca_mpool_sm_module_t* mpool_module;
    mca_allocator_base_component_t* allocator_component;
    long min_size;
    ompi_proc_t **procs;
    size_t num_all_procs, i, num_local_procs = 0;

    /* README: this needs to change if procs in different jobs (even
       spawned ones) are to talk using shared memory */
    procs = ompi_proc_world(&num_all_procs);
    for (i = 0 ; i < num_all_procs ; ++i) {
        if (procs[i]->proc_flags & OMPI_PROC_FLAG_LOCAL) {
            num_local_procs++;
        }
    }

    /* parse the min size and validate it */
    /* if other parameters are added, absolutely necessary to reset errno each time */
    errno = 0;
    min_size  = strtol(min_size_param, (char **)NULL, 10);
    if (errno == ERANGE) {
        opal_output(0, "mca_mpool_sm_init: min_size overflows! set to default (%ld)", default_min);
        min_size = default_min;
    } else if (errno == EINVAL) {
        opal_output(0, "mca_mpool_sm_init: invalid min_size entered. set it to (%ld)", default_min);
        min_size = default_min;
    }

    /* Make a new mpool module */
    mpool_module = 
        (mca_mpool_sm_module_t*)malloc(sizeof(mca_mpool_sm_module_t));
    mca_mpool_sm_module_init(mpool_module);

    /* set sm_size */
    mpool_module->sm_size = resources->size;

    /* clip at the min size */
    if (mpool_module->sm_size < min_size) {
        mpool_module->sm_size = min_size;
    }

    /* add something for the control structure */
    mpool_module->sm_size += sizeof(mca_common_sm_mmap_t);

    allocator_component = mca_allocator_component_lookup(
        mca_mpool_sm_component.sm_allocator_name);

    /* if specified allocator cannot be loaded - look for an alternative */
    if(NULL == allocator_component) {
        if(opal_list_get_size(&mca_allocator_base_components) == 0) {
            mca_base_component_list_item_t* item = (mca_base_component_list_item_t*)
                opal_list_get_first(&mca_allocator_base_components);
            allocator_component = (mca_allocator_base_component_t*)item->cli_component;
            opal_output(0, "mca_mpool_sm_init: unable to locate allocator: %s - using %s\n",
                mca_mpool_sm_component.sm_allocator_name, allocator_component->allocator_version.mca_component_name);
        } else {
            opal_output(0, "mca_mpool_sm_init: unable to locate allocator: %s\n",
                mca_mpool_sm_component.sm_allocator_name);
            free(procs);
            return NULL;
        }
    }


    /* create initial shared memory mapping */
    len = asprintf( &file_name, "%s"OPAL_PATH_SEP"shared_mem_pool.%s",
                    orte_process_info.job_session_dir,
                    orte_process_info.nodename );
    if ( 0 > len ) {
        free(mpool_module);
        free(procs);
        return NULL;
    }
    
    opal_output(mca_mpool_sm_component.verbose,
                "mca_mpool_sm_init: shared memory size used: (%ld)",
                mpool_module->sm_size);

    if (NULL == (mpool_module->sm_common_mmap = 
                 mca_common_sm_mmap_init(procs, num_all_procs,
                                         mpool_module->sm_size,
                                         file_name,
                                         sizeof(mca_common_sm_mmap_t), 8))) {
        opal_output(mca_mpool_sm_component.verbose, 
                    "mca_mpool_sm_init: unable to create shared memory mapping (%s)", file_name);
        free(file_name);
        free(mpool_module);
        free(procs);
        return NULL;
    }
    free(procs);
    free(file_name);

    /* setup allocator */
    mpool_module->sm_allocator = 
      allocator_component->allocator_init(true,
                                          mca_common_sm_mmap_seg_alloc, 
                                          NULL, &(mpool_module->super));
    if(NULL == mpool_module->sm_allocator) {
        opal_output(0, "mca_mpool_sm_init: unable to initialize allocator");
        free(mpool_module);
        return NULL;
    }
   
    return &mpool_module->super;
}
示例#10
0
static mca_mpool_base_module_t *
mca_mpool_sm_init(struct mca_mpool_base_resources_t *resources)
{
    mca_mpool_sm_module_t *mpool_module;
    mca_allocator_base_component_t* allocator_component;
    ompi_proc_t **procs;
    size_t num_all_procs, i, num_local_procs = 0;

    /* README: this needs to change if procs in different jobs (even
     * spawned ones) are to talk using shared memory */
    if (NULL == (procs = ompi_proc_world(&num_all_procs))) {
        /* out of resources, so just bail */
        return NULL;
    }
    for (i = 0 ; i < num_all_procs ; ++i) {
        if (OPAL_PROC_ON_LOCAL_NODE(procs[i]->proc_flags)) {
            num_local_procs++;
        }
    }

    /* Make a new mpool module */
    mpool_module = 
        (mca_mpool_sm_module_t *)malloc(sizeof(mca_mpool_sm_module_t));
    mca_mpool_sm_module_init(mpool_module);

    /* set sm_size */
    mpool_module->sm_size = resources->size;

    /* clip at the min size */
    if (mpool_module->sm_size < (long) ompi_mpool_sm_min_size) {
      mpool_module->sm_size = (long) ompi_mpool_sm_min_size;
    }

    allocator_component = mca_allocator_component_lookup(
        mca_mpool_sm_component.sm_allocator_name);

    /* if specified allocator cannot be loaded - look for an alternative */
    if (NULL == allocator_component) {
        if (opal_list_get_size(&ompi_allocator_base_framework.framework_components) == 0) {
            mca_base_component_list_item_t *item =
                (mca_base_component_list_item_t *)
                opal_list_get_first(&ompi_allocator_base_framework.framework_components);
            allocator_component =
                (mca_allocator_base_component_t *)item->cli_component;
            opal_output(
                0, "mca_mpool_sm_init: "
                "unable to locate allocator: %s - using %s\n",
                mca_mpool_sm_component.sm_allocator_name,
                allocator_component->allocator_version.mca_component_name);
        } else {
            opal_output(0, "mca_mpool_sm_init: "
                        "unable to locate allocator: %s\n",
                        mca_mpool_sm_component.sm_allocator_name);
            free(procs);
            return NULL;
        }
    }

    mpool_module->mem_node = resources->mem_node;

    opal_output(mca_mpool_sm_component.verbose,
                "mca_mpool_sm_init: shared memory size used: (%ld)",
                mpool_module->sm_size);

    if (NULL == (mpool_module->sm_common_module =
        mca_common_sm_module_attach(&resources->bs_meta_buf,
                                    sizeof(mca_common_sm_module_t), 8))) {
        opal_output(mca_mpool_sm_component.verbose, "mca_mpool_sm_init: "
                    "unable to create shared memory mapping (%s)",
                    resources->bs_meta_buf.seg_name);
        free(mpool_module);
        free(procs);
        return NULL;
    }
    free(procs);

    /* setup allocator */
    mpool_module->sm_allocator = 
      allocator_component->allocator_init(true,
                                          mca_common_sm_seg_alloc, 
                                          NULL, &(mpool_module->super));
    if (NULL == mpool_module->sm_allocator) {
        opal_output(0, "mca_mpool_sm_init: unable to initialize allocator");
        free(mpool_module);
        return NULL;
    }
   
    return &mpool_module->super;
}