c738a64d57
Attention: currently, MetalSVM didn't support the floating point unit => no using of RCCE_wtime => no using of the data type RCCE_double => RCCE_init expect an integer value as frequency in MHZ
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
//****************************************************************************************
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// Driver program for RCCE functional emulator.
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//****************************************************************************************
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// This file will only get linked if the OpenMP-based emulator mode is
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// used, so we know OpenMP is always available.
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//
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// Author: Rob F. Van der Wijngaart
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// Intel Corporation
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// Date: 12/22/2010
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//
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//****************************************************************************************
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//
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// Copyright 2010 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include <omp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "RCCE_lib.h"
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//----------------------------------------------------------------------------------------
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// global variables used for OpenMP emulation:
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// - shared array of openmp locks (emulating single test-and-set register per core)
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// - shared MPB space
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//----------------------------------------------------------------------------------------
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omp_lock_t RCCE_corelock[RCCE_MAXNP];
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t_vchar RC_comm_buffer[RCCE_MAXNP*RCCE_BUFF_SIZE_MAX];
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t_vchar RC_shm_buffer[RCCE_SHM_SIZE_MAX];
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// name of user application. In non-OpenMP emulation mode this resolves to main. In
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// OpenMP emulation mode it is unchanged
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int RCCE_APP(int argc, char **argv);
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int main(int argc, char *argv[]){
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int i;
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int RCCE_NPE;
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int RCCE_error = 0;
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if (argc <3) {
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printf("RCCE DRIVER ERROR: no executable or parameters specified\n");
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exit(1);
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}
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RCCE_NP = RCCE_NPE = atoi(*(argv+1));
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if (RCCE_NPE<1 || RCCE_NPE>RCCE_MAXNP) {
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printf("Invalid number of UEs: %d\n", RCCE_NPE);
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exit(1);
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}
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// initialize comm buffers with all constants
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for (i=0; i<RCCE_MAXNP*RCCE_BUFF_SIZE_MAX/sizeof(int); i++)
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*(((int *) RC_comm_buffer)+i) = RCCE_comm_init_val;
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// initialize core locks
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for (i=0; i<RCCE_NPE; i++) omp_init_lock(&(RCCE_corelock[i]));
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// start parallel region. If any UE (thread) returns a non-zero error
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// value, the total error, reduced to RCCE_error, will be non-zero
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#pragma omp parallel reduction(||:RCCE_error) num_threads(RCCE_NP) firstprivate(argc,argv,RCCE_NPE)
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{
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if (omp_get_num_threads() != RCCE_NPE) {
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#pragma omp master
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{
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RCCE_error = RCCE_ERROR_NUM_UES;
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}
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}
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else{
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RCCE_error = RCCE_APP(argc, argv);
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}
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}
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exit(RCCE_error);
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}
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