DArray* DArray_Copy( DArray *self )
{
DArray *copy = DArray_New( self->stride );
copy->type = self->type;
DArray_Resize( copy, self->size );
memcpy( copy->data.base, self->data.base, self->size * self->stride );
return copy;
}
void DArray_Reset( DArray *self, daoint size )
{
if( size <= self->capacity ){
self->size = size;
return;
}
DArray_Resize( self, size );
}
void DArray_Assign( DArray *left, DArray *right )
{
daoint i;
assert( left->type == right->type || (left->type == DAO_DATA_VALUE && right->type == 0) );
if( left == right ) return;
if( right->size == 0 ){
DArray_Clear( left );
return;
}
if( left->type ){
DArray_Clear( left);
for( i=0; i<right->size; i++ ) DArray_Append( left, right->items.pVoid[i] );
}else{
DArray_Resize( left, right->size, NULL );
for( i=0; i<right->size; i++ ) left->items.pVoid[i] = right->items.pVoid[i];
}
}
void DArray_Assign( DArray *left, DArray *right )
{
assert( left->stride == right->stride );
DArray_Resize( left, right->size );
memcpy( left->data.base, right->data.base, right->size * right->stride );
}
static void DaoMT_Functional( DaoProcess *proc, DaoValue *P[], int N, int F )
{
DMutex mutex;
DCondVar condv;
DaoTaskData *tasks;
DaoValue *param = P[0];
DaoValue *result = NULL;
DaoList *list = NULL;
DaoArray *array = NULL;
DaoVmCode *sect = DaoGetSectionCode( proc->activeCode );
int i, entry, threads = P[1]->xInteger.value;
daoint index = -1, status = 0, joined = 0;
DNode *node = NULL;
switch( F ){
case DVM_FUNCT_MAP :
if( param->type == DAO_ARRAY ){
array = DaoProcess_PutArray( proc );
result = (DaoValue*) array;
}else{
list = DaoProcess_PutList( proc );
result = (DaoValue*) list;
}
break;
case DVM_FUNCT_APPLY : DaoProcess_PutValue( proc, param ); break;
case DVM_FUNCT_FIND : DaoProcess_PutValue( proc, dao_none_value ); break;
}
if( threads <= 0 ) threads = 2;
if( sect == NULL || DaoMT_PushSectionFrame( proc ) == 0 ) return;
if( list ){
DArray_Clear( & list->items );
if( param->type == DAO_LIST ) DArray_Resize( & list->items, param->xList.items.size, NULL );
if( param->type == DAO_MAP ) DArray_Resize( & list->items, param->xMap.items->size, NULL );
#ifdef DAO_WITH_NUMARRAY
}else if( array && F == DVM_FUNCT_MAP ){
DaoArray_GetSliceShape( (DaoArray*) param, & array->dims, & array->ndim );
DaoArray_ResizeArray( array, array->dims, array->ndim );
#endif
}
DMutex_Init( & mutex );
DCondVar_Init( & condv );
entry = proc->topFrame->entry;
tasks = (DaoTaskData*) dao_calloc( threads, sizeof(DaoTaskData) );
DaoProcess_PopFrame( proc );
for(i=0; i<threads; i++){
DaoTaskData *task = tasks + i;
task->param = param;
task->result = result;
task->proto = proc;
task->sect = sect;
task->funct = F;
task->entry = entry;
task->first = i;
task->step = threads;
task->index = & index;
task->node = & node;
task->joined = & joined;
task->condv = & condv;
task->mutex = & mutex;
task->clone = DaoVmSpace_AcquireProcess( proc->vmSpace );
task->clone->mutex = & mutex;
if( i ) DaoCallServer_AddTask( DaoMT_RunFunctional, task, 1 );
}
DaoMT_RunFunctional( tasks );
DMutex_Lock( & mutex );
while( joined < threads ) DCondVar_TimedWait( & condv, & mutex, 0.01 );
DMutex_Unlock( & mutex );
for(i=0; i<threads; i++){
DaoTaskData *task = tasks + i;
DaoVmSpace_ReleaseProcess( proc->vmSpace, task->clone );
status |= task->status;
}
if( F == DVM_FUNCT_FIND ){
DaoTuple *tuple = DaoProcess_PutTuple( proc, 0 );
if( param->type == DAO_LIST && index != -1 ){
DaoValue **items = param->xList.items.items.pValue;
GC_ShiftRC( items[index], tuple->items[1] );
tuple->items[1] = items[index];
tuple->items[0]->xInteger.value = index;
}else if( param->type == DAO_MAP && node ){
GC_ShiftRC( node->key.pValue, tuple->items[0] );
GC_ShiftRC( node->value.pValue, tuple->items[1] );
tuple->items[0] = node->key.pValue;
tuple->items[1] = node->value.pValue;
}
}
if( status ) DaoProcess_RaiseException( proc, DAO_ERROR, "code section execution failed!" );
DMutex_Destroy( & mutex );
DCondVar_Destroy( & condv );
dao_free( tasks );
}
