443 строки
19 KiB
C
443 строки
19 KiB
C
/*
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* Copyright (c) 2009-2012 Oak Ridge National Laboratory. All rights reserved.
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* Copyright (c) 2009-2012 Mellanox Technologies. 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 <fcntl.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include "bcol_iboffload.h"
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#include "bcol_iboffload_mca.h"
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#include "ompi/constants.h"
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#include "ompi/mca/common/ofacm/base.h"
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#include "ompi/communicator/communicator.h"
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#include "opal/util/show_help.h"
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/*
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* Local flags
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*/
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enum {
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REGINT_NEG_ONE_OK = 0x01,
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REGINT_GE_ZERO = 0x02,
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REGINT_GE_ONE = 0x04,
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REGINT_NONZERO = 0x08,
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REGINT_MAX = 0x88
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};
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enum {
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REGSTR_EMPTY_OK = 0x01,
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REGSTR_MAX = 0x88
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};
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mca_base_var_enum_value_t mtu_values[] = {
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{IBV_MTU_256, "256B"},
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{IBV_MTU_512, "512B"},
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{IBV_MTU_1024, "1k"},
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{IBV_MTU_4096, "4k"},
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{0, NULL}
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};
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/*
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* utility routine for string parameter registration
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*/
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static int reg_string(const char* param_name,
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const char* deprecated_param_name,
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const char* param_desc,
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const char* default_value, char **storage,
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int flags)
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{
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int index;
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/* the MCA variable system will not attempt to modify this value */
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*storage = (char *) default_value;
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index = mca_base_component_var_register(&mca_bcol_iboffload_component.super.bcol_version,
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param_name, param_desc, MCA_BASE_VAR_TYPE_STRING,
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NULL, 0, 0, OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY, storage);
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if (NULL != deprecated_param_name) {
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(void) mca_base_var_register_synonym(index, "ompi", "bcol", "iboffload", deprecated_param_name,
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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}
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if (0 != (flags & REGSTR_EMPTY_OK) && 0 == strlen(*storage)) {
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opal_output(0, "Bad parameter value for parameter \"%s\"",
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param_name);
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return OMPI_ERR_BAD_PARAM;
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}
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return OMPI_SUCCESS;
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}
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/*
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* utility routine for integer parameter registration
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*/
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static int reg_int(const char* param_name,
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const char* deprecated_param_name,
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const char* param_desc,
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int default_value, int *storage, int flags)
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{
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int index;
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*storage = default_value;
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index = mca_base_component_var_register(&mca_bcol_iboffload_component.super.bcol_version,
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param_name, param_desc, MCA_BASE_VAR_TYPE_INT,
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NULL, 0, 0, OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY, storage);
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if (NULL != deprecated_param_name) {
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(void) mca_base_var_register_synonym(index, "ompi", "bcol", "iboffload", deprecated_param_name,
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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}
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if (0 != (flags & REGINT_NEG_ONE_OK) && -1 == *storage) {
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return OMPI_SUCCESS;
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}
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if ((0 != (flags & REGINT_GE_ZERO) && *storage < 0) ||
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(0 != (flags & REGINT_GE_ONE) && *storage < 1) ||
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(0 != (flags & REGINT_NONZERO) && 0 == *storage)) {
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opal_output(0, "Bad parameter value for parameter \"%s\"",
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param_name);
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return OMPI_ERR_BAD_PARAM;
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}
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return OMPI_SUCCESS;
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}
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/*
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* utility routine for integer parameter registration
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*/
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static int reg_bool(const char* param_name,
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const char* deprecated_param_name,
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const char* param_desc,
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bool default_value, bool *storage)
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{
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int index;
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*storage = default_value;
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index = mca_base_component_var_register(&mca_bcol_iboffload_component.super.bcol_version,
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param_name, param_desc, MCA_BASE_VAR_TYPE_BOOL,
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NULL, 0, 0, OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY, storage);
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if (NULL != deprecated_param_name) {
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(void) mca_base_var_register_synonym(index, "ompi", "bcol", "iboffload", deprecated_param_name,
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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}
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return OMPI_SUCCESS;
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}
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int mca_bcol_iboffload_verify_params(void)
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{
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if (mca_bcol_iboffload_component.min_rnr_timer > 31) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_min_rnr_timer > 31",
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"bcol_iboffload_ib_min_rnr_timer reset to 31");
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mca_bcol_iboffload_component.min_rnr_timer = 31;
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} else if (mca_bcol_iboffload_component.min_rnr_timer < 0){
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_min_rnr_timer < 0",
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"bcol_iboffload_ib_min_rnr_timer reset to 0");
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mca_bcol_iboffload_component.min_rnr_timer = 0;
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}
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if (mca_bcol_iboffload_component.timeout > 31) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_timeout > 31",
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"bcol_iboffload_ib_timeout reset to 31");
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mca_bcol_iboffload_component.timeout = 31;
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} else if (mca_bcol_iboffload_component.timeout < 0) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_timeout < 0",
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"bcol_iboffload_ib_timeout reset to 0");
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mca_bcol_iboffload_component.timeout = 0;
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}
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if (mca_bcol_iboffload_component.retry_count > 7) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_retry_count > 7",
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"bcol_iboffload_ib_retry_count reset to 7");
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mca_bcol_iboffload_component.retry_count = 7;
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} else if (mca_bcol_iboffload_component.retry_count < 0) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_retry_count < 0",
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"bcol_iboffload_ib_retry_count reset to 0");
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mca_bcol_iboffload_component.retry_count = 0;
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}
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if (mca_bcol_iboffload_component.max_rdma_dst_ops > 7) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_rnr_retry > 7",
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"bcol_iboffload_ib_rnr_retry reset to 7");
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mca_bcol_iboffload_component.max_rdma_dst_ops = 7;
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} else if (mca_bcol_iboffload_component.max_rdma_dst_ops < 0) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_rnr_retry < 0",
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"bcol_iboffload_ib_rnr_retry reset to 0");
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mca_bcol_iboffload_component.max_rdma_dst_ops = 0;
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}
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if (mca_bcol_iboffload_component.service_level > 15) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_service_level > 15",
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"bcol_iboffload_ib_service_level reset to 15");
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mca_bcol_iboffload_component.service_level = 15;
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} else if (mca_bcol_iboffload_component.service_level < 0) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "invalid mca param value",
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true, "bcol_iboffload_ib_service_level < 0",
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"bcol_iboffload_ib_service_level reset to 0");
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mca_bcol_iboffload_component.service_level = 0;
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}
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if(mca_bcol_iboffload_component.buffer_alignment <= 1 ||
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(mca_bcol_iboffload_component.buffer_alignment & (mca_bcol_iboffload_component.buffer_alignment - 1))) {
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opal_show_help("help-mpi-bcol-iboffload.txt", "wrong buffer alignment",
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true, mca_bcol_iboffload_component.buffer_alignment, ompi_process_info.nodename, 64);
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mca_bcol_iboffload_component.buffer_alignment = 64;
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}
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return OMPI_SUCCESS;
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}
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int mca_bcol_iboffload_register_params(void)
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{
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mca_base_var_enum_t *new_enum;
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char *msg;
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int ret = OMPI_SUCCESS, tmp;
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#define CHECK(expr) do { \
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tmp = (expr); \
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if (OMPI_SUCCESS != tmp) ret = tmp; \
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} while (0)
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/* register openib component parameters */
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CHECK(reg_int("k_nomial_radix", NULL,
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"The radix of the K-nomial tree for scatther-gather type algorithms"
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"(starts from 2)", 2, &mca_bcol_iboffload_component.k_nomial_radix,
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REGINT_GE_ONE));
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CHECK(reg_int("priority", NULL,
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"IB offload component priority"
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"(from 0(low) to 90 (high))", 90,
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&mca_bcol_iboffload_component.super.priority, 0));
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CHECK(reg_int("verbose", NULL,
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"Output some verbose IB offload BTL information "
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"(0 = no output, nonzero = output)", 0,
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&mca_bcol_iboffload_component.verbose, 0));
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CHECK(reg_bool("warn_default_gid_prefix", NULL,
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"Warn when there is more than one active ports and at least one of them connected to the network with only default GID prefix configured (0 = do not warn; any other value = warn)",
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true, &mca_bcol_iboffload_component.warn_default_gid_prefix));
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CHECK(reg_bool("warn_nonexistent_if", NULL,
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"Warn if non-existent devices and/or ports are specified in the bcol_iboffla_if_[in|ex]clude MCA parameters (0 = do not warn; any other value = warn)",
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true, &mca_bcol_iboffload_component.warn_nonexistent_if));
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CHECK(reg_int("max_pipeline_depth", NULL,
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"The maximal number of fragments of the same collective request that can be transferred in parallel", 3,
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&mca_bcol_iboffload_component.max_pipeline_depth, 0));
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CHECK(reg_int("max_mqe_tasks", NULL,
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"Maximum number of MQEs for each iboffload module",
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1024, &mca_bcol_iboffload_component.max_mqe_tasks, 0));
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CHECK(reg_int("max_mq_size", NULL,
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"Maximum size of each MQ for each iboffload module",
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1024, &mca_bcol_iboffload_component.max_mq_size, 0));
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CHECK(reg_int("free_list_num", NULL,
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"Intial size of free lists (must be >= 1)",
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256, &mca_bcol_iboffload_component.free_list_num,
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REGINT_GE_ONE));
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CHECK(reg_int("free_list_max", NULL,
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"Maximum size of free lists "
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"(-1 = infinite, otherwise must be >= 0)",
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-1, &mca_bcol_iboffload_component.free_list_max,
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REGINT_NEG_ONE_OK | REGINT_GE_ONE));
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CHECK(reg_int("free_list_inc", NULL,
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"Increment size of free lists (must be >= 1)",
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32, &mca_bcol_iboffload_component.free_list_inc,
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REGINT_GE_ONE));
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CHECK(reg_string("mpool", NULL,
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"Name of the memory pool to be used (it is unlikely that you will ever want to change this",
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"rdma", &mca_bcol_iboffload_component.mpool_name,
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0));
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CHECK(reg_int("cq_size", "cq_size",
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"Size of the OpenFabrics completion "
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"queue (will automatically be set to a minimum of "
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"(2 * number_of_peers * bcol_iboffload_rd_num))",
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1024, &mca_bcol_iboffload_component.cq_size, REGINT_GE_ONE));
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CHECK(reg_int("exchange_tree_order", NULL,
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"The order of the exchange tree. "
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"Must be power of two.",
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2, &mca_bcol_iboffload_component.exchange_tree_order, REGINT_GE_ONE));
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CHECK(reg_int("knomial_tree_order", NULL,
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"The order of the knomial exchange tree. ",
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3, &mca_bcol_iboffload_component.knomial_tree_order, REGINT_GE_ONE));
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CHECK(reg_int("max_inline_data", "max_inline_data",
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"Maximum size of inline data segment "
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"(-1 = run-time probe to discover max value, "
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"otherwise must be >= 0). "
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"If not explicitly set, use max_inline_data from "
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"the INI file containing device-specific parameters",
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128, &mca_bcol_iboffload_component.max_inline_data,
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REGINT_NEG_ONE_OK | REGINT_GE_ZERO));
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#if 0
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CHECK(reg_string("pkey", "ib_pkey_val",
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"OpenFabrics partition key (pkey) value. "
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"Unsigned integer decimal or hex values are allowed (e.g., \"3\" or \"0x3f\") and will be masked against the maximum allowable IB paritition key value (0x7fff)",
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"0", &pkey, 0));
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/* Pasha
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mca_bcol_iboffload_component.pkey_val =
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ompi_btl_openib_ini_intify(pkey) & MCA_BTL_IB_PKEY_MASK;
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free(pkey);
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*/
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#endif
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CHECK(reg_string("receive_queues", NULL,
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"Colon-delimited, comma delimited list of receive queues: P,4096,8,6,4:P,32768,8,6,4",
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"P,512,256,192,128", &mca_bcol_iboffload_component.receive_queues,
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0));
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CHECK(reg_int("qp_ous_rd_atom", NULL,
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"InfiniBand outstanding atomic reads "
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"(must be >= 0)",
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4, &ival, REGINT_GE_ZERO));
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mca_bcol_iboffload_component.qp_ous_rd_atom = (uint32_t) ival;
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asprintf(&msg, "OpenFabrics MTU, in bytes (if not specified in INI files). Valid values are: %d=256 bytes, %d=512 bytes, %d=1024 bytes, %d=2048 bytes, %d=4096 bytes",
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IBV_MTU_256,
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IBV_MTU_512,
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IBV_MTU_1024,
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IBV_MTU_2048,
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IBV_MTU_4096);
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if (NULL == msg) {
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/* Don't try to recover from this */
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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CHECK(mca_base_var_enum_create("infiniband mtu", mtu_values, &new_enum));
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mca_bcol_iboffload_component.mtu = IBV_MTU_1024;
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tmp = mca_base_component_var_register(&mca_bcol_iboffload_component.super.bcol_version,
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"mtu", msg, MCA_BASE_VAR_TYPE_INT, new_enum, 0, 0,
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OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_READONLY,
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&mca_bcol_iboffload_component.mtu);
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OBJ_RELEASE(new_enum);
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free(msg);
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if (0 > tmp) ret = tmp;
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tmp = mca_base_var_register_synonym(tmp, "ompi", "bcol", "iboffload", "ib_mtu",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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if (0 > tmp) ret = tmp;
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CHECK(reg_int("ib_min_rnr_timer", NULL, "InfiniBand minimum "
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"\"receiver not ready\" timer, in seconds "
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"(must be >= 0 and <= 31)",
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1 , &mca_bcol_iboffload_component.min_rnr_timer, 0));
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CHECK(reg_int("ib_timeout", NULL, "InfiniBand transmit timeout, plugged into formula: 4.096 microseconds * "
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"(2^bcol_iboffload_ib_timeout) (must be >= 0 and <= 31)",
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20, &mca_bcol_iboffload_component.timeout, 0));
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CHECK(reg_int("ib_retry_count", NULL, "InfiniBand transmit retry count "
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"(must be >= 0 and <= 7)",
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7, &mca_bcol_iboffload_component.retry_count, 0));
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CHECK(reg_int("ib_rnr_retry", NULL, "InfiniBand \"receiver not ready\" "
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"retry count; applies *only* to SRQ/XRC queues. PP queues "
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"use RNR retry values of 0 because Open MPI performs "
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"software flow control to guarantee that RNRs never occur "
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"(must be >= 0 and <= 7; 7 = \"infinite\")",
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7, &mca_bcol_iboffload_component.rnr_retry, 0));
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CHECK(reg_int("ib_max_rdma_dst_ops", NULL, "InfiniBand maximum pending RDMA "
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"destination operations "
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"(must be >= 0)",
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4, &mca_bcol_iboffload_component.max_rdma_dst_ops, REGINT_GE_ZERO));
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CHECK(reg_int("ib_service_level", NULL, "InfiniBand service level "
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"(must be >= 0 and <= 15)",
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0, &mca_bcol_iboffload_component.service_level, 0));
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CHECK(reg_int("buffer_alignment", NULL,
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"Prefered communication buffer alignment, in bytes "
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"(must be > 0 and power of two)",
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64, &mca_bcol_iboffload_component.buffer_alignment, REGINT_GE_ZERO));
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/* register parmeters controlling message fragementation */
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CHECK(reg_int("min_frag_size", NULL,
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"Minimum fragment size",
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getpagesize(), &mca_bcol_iboffload_component.super.min_frag_size,
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REGINT_GE_ONE));
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CHECK(reg_int("max_frag_size", NULL,
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"Maximum fragment size",
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FRAG_SIZE_NO_LIMIT, &mca_bcol_iboffload_component.super.max_frag_size,
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REGINT_NONZERO));
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CHECK(reg_bool("can_use_user_buffers", NULL,
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"User memory can be used by the collective algorithms",
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true, &mca_bcol_iboffload_component.super.can_use_user_buffers));
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CHECK(reg_int("barrier_mode", NULL,
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"Barrier mode: 0 - Recursive doubling; 1 - Recursive K-ing",
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0, &mca_bcol_iboffload_component.barrier_mode, REGINT_GE_ZERO));
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CHECK(reg_int("max_progress_pull", NULL,
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"Max number of progress pull checks",
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8, &mca_bcol_iboffload_component.max_progress_pull, REGINT_GE_ZERO));
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CHECK(reg_int("use_brucks_smsg_alltoall_rdma", NULL,
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"Use brucks algorithm for smsg alltoall and RDMA semantics 1 = No Temp buffer recycling"
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"1 = Alg with no Temp Buffer Recycling (faster), 2 = Alg with temp Buffer Recycling (slower)",
|
|
0, &mca_bcol_iboffload_component.use_brucks_smsg_alltoall_rdma, 0));
|
|
|
|
CHECK(reg_int("use_brucks_smsg_alltoall_sr", NULL,
|
|
"Use brucks algorithm for smsg alltoall and Send/Recv semantics "
|
|
"1 = Alg with RTR (faster), 2 = Alg with RNR (slower)",
|
|
0, &mca_bcol_iboffload_component.use_brucks_smsg_alltoall_sr, 0));
|
|
|
|
CHECK(reg_int("alltoall_bruck_radix", NULL,
|
|
"Radix for Bruck algorithm for smsg alltoall",
|
|
3, &mca_bcol_iboffload_component.k_alltoall_bruck_radix, 0));
|
|
|
|
CHECK(reg_int("k_alltoall_bruck_radix", NULL,
|
|
"Temp Buffer alignment for Bruck algorithm for smsg alltoall",
|
|
64, &mca_bcol_iboffload_component.tmp_buf_alignment, 0));
|
|
|
|
/*
|
|
CHECK(reg_string("if_include", NULL,
|
|
"Comma-delimited list of devices/ports to be used (e.g. \"mthca0,mthca1:2\"; empty value means to use all ports found). Mutually exclusive with bcol_iboffload_if_exclude.",
|
|
NULL, &mca_bcol_iboffload_component.if_include,
|
|
0));
|
|
|
|
CHECK(reg_string("if_exclude", NULL,
|
|
"Comma-delimited list of device/ports to be excluded (empty value means to not exclude any ports). Mutually exclusive with bcol_iboffload_if_include.",
|
|
NULL, &mca_bcol_iboffload_component.if_exclude,
|
|
0));
|
|
*/
|
|
|
|
CHECK(mca_bcol_iboffload_verify_params());
|
|
|
|
/* Register any MCA params for the connect pseudo-components */
|
|
if (OMPI_SUCCESS == ret) {
|
|
ret = ompi_common_ofacm_base_register(&mca_bcol_iboffload_component.super.bcol_version);
|
|
}
|
|
|
|
return ret;
|
|
}
|