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Commit 7b0d2c67 by Marcus Winter
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Merge branch 'embb546_low_performance_on_arm' into development

parents 6dc01f7b 24fae6c4
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Showing with 43 additions and 13 deletions
mtapi_c/include/embb/mtapi/c/mtapi.h
...@@ -552,8 +552,9 @@ enum mtapi_node_attributes_enum { ...@@ -552,8 +552,9 @@ enum mtapi_node_attributes_enum {
the node */ the node */
MTAPI_NODE_MAX_ACTIONS_PER_JOB, /**< maximum number of actions in a job MTAPI_NODE_MAX_ACTIONS_PER_JOB, /**< maximum number of actions in a job
allowed by the node */ allowed by the node */
MTAPI_NODE_MAX_PRIORITIES /**< maximum number of priorities MTAPI_NODE_MAX_PRIORITIES, /**< maximum number of priorities
allowed by the node */ allowed by the node */
MTAPI_NODE_REUSE_MAIN_THREAD /**< reuse main thread as worker */
}; };
/** size of the \a MTAPI_NODE_CORE_AFFINITY attribute */ /** size of the \a MTAPI_NODE_CORE_AFFINITY attribute */
#define MTAPI_NODE_CORE_AFFINITY_SIZE sizeof(embb_core_set_t) #define MTAPI_NODE_CORE_AFFINITY_SIZE sizeof(embb_core_set_t)
...@@ -577,6 +578,8 @@ enum mtapi_node_attributes_enum { ...@@ -577,6 +578,8 @@ enum mtapi_node_attributes_enum {
#define MTAPI_NODE_MAX_ACTIONS_PER_JOB_SIZE sizeof(mtapi_uint_t) #define MTAPI_NODE_MAX_ACTIONS_PER_JOB_SIZE sizeof(mtapi_uint_t)
/** size of the \a MTAPI_NODE_MAX_PRIORITIES attribute */ /** size of the \a MTAPI_NODE_MAX_PRIORITIES attribute */
#define MTAPI_NODE_MAX_PRIORITIES_SIZE sizeof(mtapi_uint_t) #define MTAPI_NODE_MAX_PRIORITIES_SIZE sizeof(mtapi_uint_t)
/** size of the \a MTAPI_NODE_REUSE_MAIN_THREAD attribute */
#define MTAPI_NODE_REUSE_MAIN_THREAD_SIZE sizeof(mtapi_boolean_t)
/* example attribute value */ /* example attribute value */
#define MTAPI_NODE_TYPE_SMP 1 #define MTAPI_NODE_TYPE_SMP 1
...@@ -688,6 +691,8 @@ struct mtapi_node_attributes_struct { ...@@ -688,6 +691,8 @@ struct mtapi_node_attributes_struct {
mtapi_uint_t max_actions_per_job; /**< stores mtapi_uint_t max_actions_per_job; /**< stores
MTAPI_NODE_MAX_ACTIONS_PER_JOB */ MTAPI_NODE_MAX_ACTIONS_PER_JOB */
mtapi_uint_t max_priorities; /**< stores MTAPI_NODE_MAX_PRIORITIES */ mtapi_uint_t max_priorities; /**< stores MTAPI_NODE_MAX_PRIORITIES */
mtapi_boolean_t reuse_main_thread; /**< stores
MTAPI_NODE_REUSE_MAIN_THREAD */
}; };
/** /**
......
mtapi_c/src/embb_mtapi_thread_context_t.c
...@@ -54,6 +54,7 @@ mtapi_boolean_t embb_mtapi_thread_context_initialize_with_node_worker_and_core( ...@@ -54,6 +54,7 @@ mtapi_boolean_t embb_mtapi_thread_context_initialize_with_node_worker_and_core(
that->core_num = core_num; that->core_num = core_num;
that->priorities = node->attributes.max_priorities; that->priorities = node->attributes.max_priorities;
that->is_initialized = MTAPI_FALSE; that->is_initialized = MTAPI_FALSE;
that->is_main_thread = (worker_index == 0) ? node->attributes.reuse_main_thread : MTAPI_FALSE;
embb_atomic_store_int(&that->run, 0); embb_atomic_store_int(&that->run, 0);
that->queue = (embb_mtapi_task_queue_t**)embb_mtapi_alloc_allocate( that->queue = (embb_mtapi_task_queue_t**)embb_mtapi_alloc_allocate(
...@@ -121,17 +122,29 @@ mtapi_boolean_t embb_mtapi_thread_context_start( ...@@ -121,17 +122,29 @@ mtapi_boolean_t embb_mtapi_thread_context_start(
embb_core_set_add(&core_set, that->core_num); embb_core_set_add(&core_set, that->core_num);
/* create thread */ /* create thread */
err = embb_thread_create(&that->thread, &core_set, worker_func, that); if (that->is_main_thread) {
if (EMBB_SUCCESS != err) { /* reuse main thread */
embb_mtapi_log_error( that->thread = embb_thread_current();
"embb_mtapi_ThreadContext_initializeWithNodeAndCoreNumber() could not " err = embb_tss_create(&that->tss_id);
"create thread %d on core %d\n", that->worker_index, that->core_num); if (EMBB_SUCCESS != err) {
return MTAPI_FALSE; /* report error to scheduler */
} embb_atomic_store_int(&that->run, -1);
return MTAPI_FALSE;
/* wait for worker to come up */ }
while (0 == embb_atomic_load_int(&that->run)) { embb_tss_set(&(that->tss_id), that);
embb_thread_yield(); embb_atomic_store_int(&that->run, 1);
} else {
err = embb_thread_create(&that->thread, &core_set, worker_func, that);
if (EMBB_SUCCESS != err) {
embb_mtapi_log_error(
"embb_mtapi_ThreadContext_initializeWithNodeAndCoreNumber() could not "
"create thread %d on core %d\n", that->worker_index, that->core_num);
return MTAPI_FALSE;
}
/* wait for worker to come up */
while (0 == embb_atomic_load_int(&that->run)) {
embb_thread_yield();
}
} }
if (0 < embb_atomic_load_int(&that->run)) { if (0 < embb_atomic_load_int(&that->run)) {
...@@ -146,7 +159,9 @@ void embb_mtapi_thread_context_stop(embb_mtapi_thread_context_t* that) { ...@@ -146,7 +159,9 @@ void embb_mtapi_thread_context_stop(embb_mtapi_thread_context_t* that) {
if (0 < embb_atomic_load_int(&that->run)) { if (0 < embb_atomic_load_int(&that->run)) {
embb_atomic_store_int(&that->run, 0); embb_atomic_store_int(&that->run, 0);
embb_condition_notify_one(&that->work_available); embb_condition_notify_one(&that->work_available);
embb_thread_join(&(that->thread), &result); if (MTAPI_FALSE == that->is_main_thread) {
embb_thread_join(&(that->thread), &result);
}
} }
} }
...@@ -158,6 +173,9 @@ void embb_mtapi_thread_context_finalize(embb_mtapi_thread_context_t* that) { ...@@ -158,6 +173,9 @@ void embb_mtapi_thread_context_finalize(embb_mtapi_thread_context_t* that) {
embb_mtapi_log_trace("embb_mtapi_thread_context_finalize() called\n"); embb_mtapi_log_trace("embb_mtapi_thread_context_finalize() called\n");
if (that->is_initialized) { if (that->is_initialized) {
if (that->is_main_thread) {
embb_tss_delete(&that->tss_id);
}
embb_condition_destroy(&that->work_available); embb_condition_destroy(&that->work_available);
embb_mutex_destroy(&that->work_available_mutex); embb_mutex_destroy(&that->work_available_mutex);
} }
......
mtapi_c/src/embb_mtapi_thread_context_t.h
...@@ -68,6 +68,7 @@ struct embb_mtapi_thread_context_struct { ...@@ -68,6 +68,7 @@ struct embb_mtapi_thread_context_struct {
embb_atomic_int run; embb_atomic_int run;
mtapi_status_t status; mtapi_status_t status;
mtapi_boolean_t is_initialized; mtapi_boolean_t is_initialized;
mtapi_boolean_t is_main_thread;
}; };
#include <embb_mtapi_thread_context_t_fwd.h> #include <embb_mtapi_thread_context_t_fwd.h>
......
mtapi_c/src/mtapi_node_attributes_t.c
...@@ -52,6 +52,7 @@ void mtapi_nodeattr_init( ...@@ -52,6 +52,7 @@ void mtapi_nodeattr_init(
attributes->max_jobs = MTAPI_NODE_MAX_JOBS_DEFAULT; attributes->max_jobs = MTAPI_NODE_MAX_JOBS_DEFAULT;
attributes->max_actions_per_job = MTAPI_NODE_MAX_ACTIONS_PER_JOB_DEFAULT; attributes->max_actions_per_job = MTAPI_NODE_MAX_ACTIONS_PER_JOB_DEFAULT;
attributes->max_priorities = MTAPI_NODE_MAX_PRIORITIES_DEFAULT; attributes->max_priorities = MTAPI_NODE_MAX_PRIORITIES_DEFAULT;
attributes->reuse_main_thread = MTAPI_FALSE;
embb_core_set_init(&attributes->core_affinity, 1); embb_core_set_init(&attributes->core_affinity, 1);
attributes->num_cores = embb_core_set_count(&attributes->core_affinity); attributes->num_cores = embb_core_set_count(&attributes->core_affinity);
...@@ -143,6 +144,11 @@ void mtapi_nodeattr_set( ...@@ -143,6 +144,11 @@ void mtapi_nodeattr_set(
&attributes->max_priorities, attribute, attribute_size); &attributes->max_priorities, attribute, attribute_size);
break; break;
case MTAPI_NODE_REUSE_MAIN_THREAD:
local_status = embb_mtapi_attr_set_mtapi_boolean_t(
&attributes->reuse_main_thread, attribute, attribute_size);
break;
default: default:
/* attribute unknown */ /* attribute unknown */
local_status = MTAPI_ERR_ATTR_NUM; local_status = MTAPI_ERR_ATTR_NUM;
......
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