int main(int argc, char *argv[])
{
unsigned row, col, coreid, i, j, m, n, k;
e_platform_t platform;
e_epiphany_t dev;
e_mem_t emem;
char emsg[_BufSize];
unsigned num;
unsigned counter = 0;
srand(1);
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
//e_set_host_verbosity(H_D2);
//e_set_loader_verbosity(L_D1);
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Allocate a buffer in shared external memory
// for message passing from eCore to host.
e_alloc(&emem, _BufOffset, _BufSize);
// Open a workgroup
e_open(&dev, 0, 0, platform.rows, platform.cols);
// Load the device program onto core (0,0)
e_load("e_mutex_test0.srec", &dev, 0, 0, E_TRUE);
usleep(10000);
// Load the device program onto all the other eCores
e_load_group("e_mutex_test.srec", &dev, 0, 1, 1, 3, E_TRUE);
e_load_group("e_mutex_test.srec", &dev, 1, 0, 3, 4, E_TRUE);
usleep(100000);
// Wait for core program execution to finish
// Read message from shared buffer
e_read(&dev, 0, 0, 0x6200, &num, sizeof(num));
e_read(&dev, 0, 0, 0x6300, &counter, sizeof(counter));
// Print the message and close the workgroup.
fprintf(stderr, "The counter now is %d!\n", counter);
fprintf(stderr, "The clock cycle is %d!\n", num);
// Close the workgroup
e_close(&dev);
// Release the allocated buffer and finalize the
// e-platform connection.
e_free(&emem);
e_finalize();
return 0;
}
int EPI_speed(){
unsigned int clocks;
double rate;
int result;
int row = 0;
int col = 0;
//Run program
e_load_group(ar.srecFile, pEpiphany, row, col,1,1, E_TRUE);
//Lazy way of waiting till finished
sleep(2);
//Calculate rates
e_read(pEpiphany, row, col, 0x7000, &clocks, sizeof(clocks));
rate = (double) _BUF_SZ / (double) clocks * (eMHz * 1000000) / (1024*1024);
printf("eCore (0,0) --> eCore(1,0) write speed (DMA) = %7.2f MB/s\n", rate);
e_read(pEpiphany, row, col, 0x7004, &clocks, sizeof(clocks));
rate = (double) _BUF_SZ / (double) clocks * (eMHz * 1000000) / (1024*1024);
printf("eCore (0,0) <-- eCore(1,0) read speed (DMA) = %7.2f MB/s\n", rate);
e_read(pEpiphany, row, col, 0x7008, &clocks, sizeof(clocks));
rate = (double) _BUF_SZ / (double) clocks * (eMHz * 1000000) / (1024*1024);
printf("eCore (0,0) --> ERAM write speed (DMA) = %7.2f MB/s\n", rate);
e_read(pEpiphany, row, col, 0x700c, &clocks, sizeof(clocks));
rate = (double) _BUF_SZ / (double) clocks * (eMHz * 1000000) / (1024*1024);
printf("eCore (0,0) <-- ERAM read speed (DMA) = %7.2f MB/s\n", rate);
e_read(pEpiphany, row, col, 0x7010, &result, sizeof(result));
return result;
}
// Call (invoke) the matmul() function
int matmul_go(e_mem_t *pDRAM)
{
unsigned int addr;
// Wait until cores finished previous calculation
if (ar.verbose > 0) printf("Waiting for Epiphany to be ready...\n");
addr = offsetof(shared_buf_t, core.go);
Mailbox.core.go = 1;
while (Mailbox.core.go != 0)
e_read(pDRAM, 0, 0, addr, &Mailbox.core.go, sizeof(Mailbox.core.go));
// Signal cores to start crunching
printf("Writing the GO!...\n");
addr = offsetof(shared_buf_t, core.go);
Mailbox.core.go = _MAX_MEMBER_;
e_write(pDRAM, 0, 0, addr, &Mailbox.core.go, sizeof(Mailbox.core.go));
// Wait until cores finished calculation
addr = offsetof(shared_buf_t, core.go);
Mailbox.core.go = 1;
while (Mailbox.core.go != 0)
e_read(pDRAM, 0, 0, addr, &Mailbox.core.go, sizeof(Mailbox.core.go));
printf("Done...\n");
return 0;
}
int main()
{
//counters for row and colum, cored id and loop counter
unsigned row_loop,col_loop;
// this will contain the epiphany platform configura tion
e_platform_t epiphany;
e_epiphany_t dev;
e_mem_t memory;
e_mem_t memory2;
int message;
int core1;
int core2;
int message2;
e_return_stat_t result;
e_init(NULL); // initialise the system establish connection to the Device
e_reset_system(); // reset the epiphnay chip
e_get_platform_info(&epiphany);//gets the configuration info for the parallella platofrm
for(row_loop=0; row_loop <4; row_loop ++)
{
for(col_loop=0; col_loop <3; col_loop = col_loop+2)
{
//one core within the parallella work group is 1 x 2 i.e dual core
e_open(&dev,row_loop,col_loop,1,2);
//reset the group
e_reset_group(&dev);
//load the group
result = e_load("hello_world.srec",&dev,0,0,E_FALSE);
if (result != E_OK) {
fprintf(stderr,"Error Loading the Epiphany Application 1 %i\n", result);
}
result = e_load("hello_world2.srec",&dev,0,1,E_FALSE);
if (result != E_OK) {
fprintf(stderr,"Error Loading the Epiphany Application 2 %i\n", result);
}
e_start_group(&dev);
usleep(10000);
e_read(&dev,0,0,0x3000, &message, sizeof(int));
e_read(&dev,0,0,0x3004, &core1,sizeof(int));
e_read(&dev,0,1,0x3000, &message2, sizeof(int));
e_read(&dev,0,1,0x3004, &core2,sizeof(int));
fprintf(stderr,"message from core %d ", core1);
fprintf(stderr,"core id = 0x%03x \n", message);
fprintf(stderr,"message from core %d ", core2);
fprintf(stderr,"core id = 0x%03x \n", message2);
e_close(&dev);
}
}
e_free(&memory);
e_finalize();
return 0;
}
int main(int argc, char *argv[]) {
unsigned row, col, coreid, i, j;
e_platform_t platform;
e_epiphany_t dev;
// Initialize the Epiphany HAL and connect to the chip
e_init(NULL);
// Reset the system
e_reset_system();
// Get the platform information
e_get_platform_info(&platform);
// Create a workgroup using all of the cores
e_open(&dev, 0, 0, platform.rows, platform.cols);
e_reset_group(&dev);
// Load the device code into each core of the chip, and don't start it yet
e_load_group("e-acc.elf", &dev, 0, 0, platform.rows, platform.cols, E_FALSE);
e_start_group(&dev);
uint64_t iterations;
while (MAX_ITERATIONS*16>iterations) {
for(row=0;row<platform.rows;row++)
{
for(col=0;col<platform.cols;col++)
{
uint64_t timestep;
uint64_t iter_num;
float loc;
float vel;
if(e_read(&dev, row, col, 0x7000, ×tep, sizeof(uint64_t)) != sizeof(uint64_t)){
fprintf(stderr, "Failed to read\n");
}
if(e_read(&dev, row, col, 0x7008, &iter_num, sizeof(uint64_t)) != sizeof(uint64_t)){
fprintf(stderr, "Failed to read\n");
}
if(e_read(&dev, row, col, 0x7010, &loc, sizeof(float)) != sizeof(float)){
fprintf(stderr, "Failed to read\n");
}
if(e_read(&dev, row, col, 0x7010 + 4*16, &vel, sizeof(float)) != sizeof(float)){
fprintf(stderr, "Failed to read\n");
}
fprintf(stderr, "The timestep is %d, the iterations*16=%d, the position is %f, and the vel is %f\n", timestep, iter_num, loc, vel);
iterations += iter_num;
}
}
}
}
int main(int argc, char *argv[]){
e_platform_t platform;
e_epiphany_t dev;
unsigned int read_buffer[RAM_SIZE/4];
unsigned int read_data;
unsigned int i,j;
int row0,col0,rows,cols,slow;
unsigned addr,k;
if(argc < 2){
usage();
return EXIT_FAILURE;
}
else{
row0 = atoi(argv[1]);
col0 = atoi(argv[2]);
rows = atoi(argv[3]);
cols = atoi(argv[4]);
slow = 0;//atoi(argv[5]);
}
//Open
e_init(NULL);
e_get_platform_info(&platform);
e_open(&dev, 0, 0, platform.rows, platform.cols);
//Put Code here
printf("(ROW,COL) ADDRESS DATA\n");
printf("-----------------------------\n");
for (i=row0; i<(row0+rows); i++) {
for (j=col0; j<(col0+cols); j++) {
if(slow>0){
for(k=0;k<RAM_SIZE/4;k++){
addr=4*k;
e_read(&dev, i, j, addr, &read_data, sizeof(int));
read_buffer[k]=read_data;
//printf("addr=%x data=%x\n",addr,read_data);
}
}
else{
e_read(&dev, i, j, 0x0, &read_buffer, RAM_SIZE);
}
for(k=0;k<RAM_SIZE/4;k++){
printf("(%2d,%2d) 0x%08x 0x%08x\n",i,j,k*4,read_buffer[k]);
}
}
}
//Close
e_close(&dev);
e_finalize();
//Always return sucess if it runs to completion
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
Epiphany epiphany("etest.srec", false);
e_start(epiphany.getEpipAddr(), 0, 0);
char dataFromShared[64];
unsigned dataFromLocal;
usleep(10000);
e_read(epiphany.getEmemAddr(), 0, 0, 0x0, dataFromShared, 64);
e_read(epiphany.getEpipAddr(), 0, 0, 0x2000, &dataFromLocal, sizeof(unsigned));
fprintf(stdout, "Data from shared mem (string): %s\nData from local mem (coreid): %x\n", dataFromShared, dataFromLocal);
return EXIT_SUCCESS;
}
void e_check_test( void *dev,
unsigned row,
unsigned col,
int *status
){
unsigned int result;
int wait=1;
while(1){
e_read(dev,row, col, 0x24, &result, sizeof(unsigned));
if(result==0xDEADBEEF){
printf("FAILED for core (%d,%d)\n",row,col);
*status=0;
break;
}
else if(result==0x12345678){
unsigned clr= ( unsigned ) 0x0;
e_write(dev,row, col, 0x24, &clr, sizeof(clr));
break;
}
else{
if(wait){
usleep(1000000);
printf("...waiting for core (%d,%d)\n",row,col);
wait=0;
}
else{
printf("FAILED for core (%d,%d)\n",row,col);
*status=0;
break;
}
}
}
}
ssize_t e_mread_buf(e_mem_t *dram, const off_t from_addr, void *buf, size_t count) {
ssize_t s = e_read(dram, 0, 0, from_addr, buf, count);
if (s==E_ERR) {
printf("e read error");
}
return s;
}
int main(int argc, char *argv[])
{
e_platform_t platform;
e_epiphany_t dev;
e_mem_t emem;
const uint32_t zero = 0;
uint32_t result = 0;
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
if (e_alloc(&emem, 0, 128) != E_OK)
exit(EXIT_FAILURE);
e_write(&emem, 0, 0, 0, &zero, sizeof(zero));
e_open(&dev, 0, 0, 1, 1);
if (e_load("emain.elf", &dev, 0, 0, E_TRUE) != E_OK)
exit(EXIT_FAILURE);
do {
e_read(&emem, 0, 0, 0, &result, sizeof(result));
} while (!result);
if (result != 1) {
fprintf(stderr,
"Test failed. elink RX remapping configured incorrectly. Faulty programs can\n"
"likely access the system's first 1MB memory region. Go patch your kernel!\n");
exit(EXIT_FAILURE);
}
fprintf(stderr, "Test passed\n");
return 0;
}
int main(int argc, char *argv[]){
e_platform_t platform;
e_epiphany_t dev;
char emsg[_BufSize];
unsigned int row, col;
unsigned int data, led_state;
int i,j;
//Open
e_init(NULL);
e_get_platform_info(&platform);
e_open(&dev, 0, 0, platform.rows, platform.cols);
//Put Code here
printf("CORE\tCONFIG\t\tSTATUS\t\tPC\t\tDEBUG\t\tIRET\t\tIMASK\t\tILAT\t\tIPEND\n");
printf("------------------------------------------------------------------");
printf("------------------------------------------------------------------\n");
for (i=0; i<platform.rows; i++) {
for (j=0; j<platform.cols; j++) {
printf("(%02d,%02d)\t", i,j);
e_read(&dev, i, j, 0xf0400, &data, sizeof(unsigned));//config
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0404, &data, sizeof(unsigned));//status
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0408, &data, sizeof(unsigned));//pc
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf040C, &data, sizeof(unsigned));//debug
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0420, &data, sizeof(unsigned));//iret
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0424, &data, sizeof(unsigned));//imask
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0428, &data, sizeof(unsigned));//ilat
printf("0x%08x\t",data);
e_read(&dev, i, j, 0xf0434, &data, sizeof(unsigned));//ipend
printf("0x%08x\t",data);
printf("\n");
}
}
//Close
e_close(&dev);
e_finalize();
return 0;
}
int main(int argc, char *argv[])
{
unsigned row, col, coreid, i;
e_platform_t platform;
e_epiphany_t dev;
e_mem_t emem;
char emsg[_BufSize];
srand(1);
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Allocate a buffer in shared external memory
// for message passing from eCore to host.
e_alloc(&emem, _BufOffset, _BufSize);
for (i=0; i<_SeqLen; i++)
{
// Draw a random core
row = rand() % platform.rows;
col = rand() % platform.cols;
coreid = (row + platform.row) * 64 + col + platform.col;
fprintf(stderr, "%3d: Message from eCore 0x%03x (%2d,%2d): ", i, coreid, row, col);
// Open the single-core workgroup and reset the core, in
// case a previous process is running. Note that we used
// core coordinates relative to the workgroup.
e_open(&dev, row, col, 1, 1);
e_reset_group(&dev);
// Load the device program onto the selected eCore
// and launch after loading.
e_load("e_hello_world.srec", &dev, 0, 0, E_TRUE);
// Wait for core program execution to finish, then
// read message from shared buffer.
usleep(100000000);
e_read(&emem, 0, 0, 0x0, emsg, _BufSize);
// Print the message and close the workgroup.
fprintf(stderr, "\"%s\"\n", emsg);
e_close(&dev);
}
// Release the allocated buffer and finalize the
// e-platform connection.
e_free(&emem);
e_finalize();
return 0;
}
static int
epiphany_run(struct epiphany_state *state, int iter, int mode)
{
e_epiphany_t *dev = &state->dev;
uint32_t cmd;
/* Go ! */
cmd = (mode << 31) | (state->logN << 24) | iter;
e_write(dev, 0, 0, CMD, &cmd, sizeof(uint32_t));
/* Poll for end */
while (cmd) {
e_read(dev, 0, 0, CMD, &cmd, sizeof(uint32_t));
usleep(1000);
}
e_read(dev, 0, 0, CMD + 4, &cmd, sizeof(uint32_t));
printf("(%d cycles)\n", cmd);
return cmd;
}
int ebsp_read(int pid, off_t src, void* dst, int size) {
int prow, pcol;
_get_p_coords(pid, &prow, &pcol);
if (e_read(&state.dev, prow, pcol, src, dst, size) != size) {
fprintf(stderr,
"ERROR: e_read(dev,%d,%d,%p,%p,%d) failed in ebsp_read.\n",
prow, pcol, (void*)src, (void*)dst, size);
return 0;
}
return 1;
}
int main()
{
//counters for row and colum, cored id and loop counter
unsigned row_loop,col_loop;
// this will contain the epiphany platform configuration
e_platform_t epiphany;
e_epiphany_t dev;
e_return_stat_t result;
int message;
int message2;
int loop;
int addr;;
e_init(NULL); // initialise the system establish connection to the Device
e_reset_system(); // reset the epiphnay chip
e_get_platform_info(&epiphany);//gets the configuration info for the parallella platofrm
//one core within the parallella work group is 1 x 2 i.e dual core
e_open(&dev,0,0,1,2);
//reset the group
e_reset_group(&dev);
//load the group
result = e_load("hello_world.srec",&dev,0,0,E_FALSE);
if (result != E_OK) {
fprintf(stderr,"Error Loading the Epiphany Application 1 %i\n", result);
}
result = e_load("hello_world2.srec",&dev,0,1,E_FALSE);
if (result != E_OK) {
fprintf(stderr,"Error Loading the Epiphany Application 2 %i\n", result);
}
e_start_group(&dev);
usleep(10000);
fprintf(stderr,"extracting from core memory \n ");
addr = 0x3000;
for(loop = 0; loop <20; loop ++) {
e_read(&dev,0,1,addr, &message, sizeof(int));
if (loop == 0)
fprintf(stderr,"message from core 0x%03x \n ", message);
else
fprintf(stderr,"message from core %d \n ", message);
addr = addr+0x04;
}
e_close(&dev);
e_finalize();
fprintf(stderr,"demo complete \n ");
return 0;
}
int main(int argc, char *argv[])
{
unsigned row, col, coreid, i, j, k, m, q, mode, signal;
e_platform_t platform;
e_epiphany_t dev;
unsigned desired, real;
unsigned time[16][2];
time[0][0]=0;
time[0][1]=0;
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Open a workgroup
e_open(&dev, 0, 0, platform.rows, platform.cols);
// Load device program
e_load("e_loadstore.elf",&dev, 0, 0, E_TRUE);
//Waiting for finish
usleep(500000);
// Read back timer values
e_read(&dev, 0, 0, (0x6000), &time[0][0], sizeof(real));
e_read(&dev, 0, 0, (0x6004), &time[0][1], sizeof(real));
//Print Results
float ratio= 100*((float)time[0][1]/(float)time[0][0]-1.0f);
printf("Local STR loop cycles=%d\n", time[0][0]);
printf("Remote STR loop cycles=%d\n", time[0][1]);
printf("Performance hit =%f%%\n", ratio);
// Finalize the e-platform connection.
e_finalize();
return 0;
}
void print_mbox(e_epiphany_t *dev, e_mem_t *emem, char *msg)
{
//e_read(emem, 0, 0, (off_t) (0x0000), (void *) &(M[0]), sizeof(M));
printf("\n%s\n" ,msg);
e_read(dev, 0, 0, (off_t) (0x00002114), (void *) &(M[0]), sizeof(M));
int i,j=0;
for(i=0;i<corenum;i++)
{
printf("\nmsgs from(%d) :\n",i);
for(j=0;j<40;j++) printf("%c",M[i][j]) ;
}
return;
}
//Hello World Test
int main(int argc, char *argv[])
{
unsigned int data,rdata;
//Write data to accelerator
data=2;
e_write(REG_INPUT0,data);
data=3;
e_write(REG_INPUT1,data);
//read back result
e_read(REG_OUTPUT, &rdata);
printf ("RESULT=%d\n", rdata);
}
// Call (invoke) the fft2d() function
int fft2d_go(e_mem_t *pDRAM)
{
unsigned int addr;
size_t sz;
// Wait until Epiphany is ready
addr = offsetof(shared_buf_t, core.ready);
Mailbox.core.ready = 0;
while (Mailbox.core.ready == 0)
e_read(pDRAM, 0, 0, addr, (void *) &(Mailbox.core.ready), sizeof(Mailbox.core.ready));
// Wait until cores finished previous calculation
addr = offsetof(shared_buf_t, core.go);
sz = sizeof(int64_t);
Mailbox.core.go = 1;
while (Mailbox.core.go != 0)
e_read(pDRAM, 0, 0, addr, (void *) (&Mailbox.core.go), sz);
// Signal cores to start crunching
Mailbox.core.go = 1;
addr = offsetof(shared_buf_t, core.go);
sz = sizeof(int64_t);
e_write(pDRAM, 0, 0, addr, (void *) (&Mailbox.core.go), sz);
// Wait until cores finished calculation
addr = offsetof(shared_buf_t, core.go);
sz = sizeof(int64_t);
Mailbox.core.go = 1;
while (Mailbox.core.go != 0)
e_read(pDRAM, 0, 0, addr, (void *) (&Mailbox.core.go), sz);
return 0;
}
int main(int argc, char *argv[]){
unsigned int read_buffer[RAM_SIZE/4];
e_epiphany_t dev;
int k;
//Open
e_init(NULL);
e_reset_system();
e_open(&dev, 0, 0, 1, 1);
e_read(&dev, 0, 0, 0x0, &read_buffer, RAM_SIZE);
e_close(&dev);
e_finalize();
printf("TEST \"e-read-buf\" PASSED\n");
return EXIT_SUCCESS;
}
int main()
{
//counters for row and colum, cored id and loop counter
unsigned row, col, id, row_loop,col_loop;
// this will contain the epiphany platform configuration
e_platform_t epiphany;
e_epiphany_t dev;
e_mem_t memory;
char message[_BufSize];
e_return_stat_t result;
e_init(NULL); // initialise the system establish connection to the Device
e_reset_system(); // reset the epiphnay chip
e_get_platform_info(&epiphany);//gets the configuration info for the parallella platofrm
// allocatethe shared memory for recieivng the message from the core
e_alloc(&memory, _BufOffset, _BufSize);
row = 0;
col = 0;
for(row_loop=0; row_loop <4; row_loop ++)
{
for(col_loop=0; col_loop <4; col_loop ++)
{
//one core within the parallella work group is 1 x 1 i.e single core
e_open(&dev,row_loop,col_loop,1,1);
//reset the group
e_reset_group(&dev);
//load the group
result = e_load("hello_world.srec",&dev,0,0,E_TRUE);
if (result != E_OK) {
fprintf(stderr,"Error Loading the Epiphany Application %i\n", result);
}
usleep(10000);
e_read(&memory,0,0,0x0, message, _BufSize);
fprintf(stderr,"message from core = %s\n", message);
e_close(&dev);
}
}
e_free(&memory);
e_finalize();
return 0;
}
int ERAM_speed(){
double tdiff, rate;
gettimeofday(&timer[0], NULL);
e_write(pERAM, 0, 0, (off_t) 0, ebuf, ERAM_BUF_SZ);
gettimeofday(&timer[1], NULL);
tdiff = ((double) (timer[1].tv_sec - timer[0].tv_sec)) + ((double) (timer[1].tv_usec - timer[0].tv_usec) / 1000000.0);
rate = (double) ERAM_BUF_SZ_MB / tdiff;
printf("ARM Host --> ERAM write speed = %7.2f MB/s\n", rate);
gettimeofday(&timer[0], NULL);
e_read(pERAM, 0, 0, (off_t) 0, ebuf, ERAM_BUF_SZ);
gettimeofday(&timer[1], NULL);
tdiff = ((double) (timer[1].tv_sec - timer[0].tv_sec)) + ((double) (timer[1].tv_usec - timer[0].tv_usec) / 1000000.0);
rate = (double) ERAM_BUF_SZ_MB / tdiff;
printf("ARM Host <-- ERAM read speed = %7.2f MB/s\n", rate);
return 0;
}
int SRAM_speed(){
double tdiff, rate;
gettimeofday(&timer[0], NULL);
e_write(pEpiphany, 0, 0, (off_t) 0, sbuf, SRAM_BUF_SZ);
gettimeofday(&timer[1], NULL);
tdiff = ((double) (timer[1].tv_sec - timer[0].tv_sec)) + ((double) (timer[1].tv_usec - timer[0].tv_usec) / 1000000.0);
rate = (double) SRAM_BUF_SZ_KB / 1024.0 / tdiff;
printf("ARM Host --> eCore(0,0) write spead = %7.2f MB/s\n", rate);
gettimeofday(&timer[0], NULL);
e_read(pEpiphany, 0, 0, (off_t) 0, sbuf, SRAM_BUF_SZ);
gettimeofday(&timer[1], NULL);
tdiff = ((double) (timer[1].tv_sec - timer[0].tv_sec)) + ((double) (timer[1].tv_usec - timer[0].tv_usec) / 1000000.0);
rate = (double) SRAM_BUF_SZ_KB / 1024.0 / tdiff;
printf("ARM Host --> eCore(0,0) read spead = %7.2f MB/s\n", rate);
return 0;
}
int main(int argc, char* argv[]){
float *temp = (float*)malloc(sizeof(float)*SIZE);
float time;
struct timespec start, end;
e_platform_t platform;
e_epiphany_t dev;
e_init(nullptr);
e_reset_system();
e_get_platform_info(&platform);
e_open(&dev, 0, 0, 1, 1);
clock_gettime(CLOCK_REALTIME, &start);
for (int i = 0; i < 1000; i++){
#if WRITE
e_write(&dev, 0, 0, 0x0000, temp, sizeof(float)*SIZE);
#endif
#if !WRITE
e_read(&dev, 0, 0, 0x0000, temp, sizeof(float)*SIZE);
#endif
}
clock_gettime(CLOCK_REALTIME, &end);
time = (end.tv_sec - start.tv_sec) + (end.tv_nsec - start.tv_nsec)/BILLION;
printf("Gesamtzeit: %f s\n Bandbreite: %f MByte/s\n", time, 4*SIZE/(time / (2 * 1000))/(1024*1024));
e_reset_system();
return 0;
}
int main(int argc, char *argv[])
{
unsigned row, col, coreid, i, j, k, m, q, mode, signal;
e_platform_t platform;
e_epiphany_t dev;
unsigned desired, real;
unsigned time[16][13];
unsigned flag[platform.rows*platform.cols];
row = mas_row;
col = mas_col;
signal = 0xdeadbeef;
// For dma copy, define the number of desired transaction
desired = 0x3c00;
// Initialize flag
for(i=0; i<platform.rows*platform.cols; i++)
{
flag[i] = 0;
}
srand(1);
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Open a workgroup
e_open(&dev, 0, 0, platform.rows, platform.cols);
// Let other cores know the core id of the specific core
for(i=0; i<platform.rows; i++)
{
for(j=0; j<platform.cols; j++)
{
if((i!=mas_row)|(j!=mas_col))
{
e_write(&dev, i, j, 0x5000, &row, sizeof(row));
e_write(&dev, i, j, 0x5004, &col, sizeof(col));
}
}
}
// Load device program onto the receiver
e_load("e_mesh_receiver.srec",&dev, mas_row, mas_col, E_TRUE);
// Load device program onto the transmitter
for (i=0; i<(platform.rows); i++)
{
for(j=0; j<(platform.cols); j++)
{
if((i!=mas_row)|(j!=mas_col))
{
e_load("e_mesh_transmitter.srec",&dev, i, j, E_TRUE);
}
}
}
// Wait for all cores to initialize
usleep(1000);
for(q=0; q<13; q++)
{
// Select the mesh event
mode = q;
// Tell each core the mesh event
for (i=0; i<(platform.rows); i++)
{
for(j=0; j<(platform.cols); j++)
{
e_write(&dev, i, j, 0x5400, &mode, sizeof(mode));
}
}
usleep(10000);
// Send the start signal to receiver core
e_write(&dev, mas_row, mas_col, 0x5100, &signal, sizeof(signal));
usleep(500000);
}
// Read from mailbox of all the cores
for(i=0; i<platform.rows; i++)
{
for(j=0; j<platform.cols; j++)
{
for(k=0; k<13; k++)
{
e_read(&dev, i, j, (0x6000+k*4), &time[i*platform.cols+j][k], sizeof(real));
}
}
}
// Test if the results make sense
real = time[mas_row*platform.cols+mas_col][8]+time[mas_row*platform.cols+mas_col][9]+
time[mas_row*platform.cols+mas_col][10]+time[mas_row*platform.cols+mas_col][11]-
time[(mas_row-1)*platform.cols+mas_col][0]-time[(mas_row)*platform.cols+mas_col-1][0]-
time[(mas_row)*platform.cols+mas_col+1][0]-time[(mas_row+1)*platform.cols+mas_col][0];
if ((real < (unsigned)desired * 1.1) && (real > (unsigned)desired * 0.1))
{
fprintf(stderr, "PASS for verification!\n");
}else
{
fprintf(stderr, "FAIL for verification!\n");
}
// Close the workgroup
e_close(&dev);
// Finalize the e-platform connection.
e_finalize();
return 0;
}
/*
* Main entry
*/
int main(int argc, char * argv[]) {
// Arguments handling
switch(argc) {
case 4: nb_cores = atoi(argv[3]);
case 3: sub_iteration = atoi(argv[2]);
case 2: main_iteration = atoi(argv[1]);
case 1: break;
default:
printf("Wrong number of args\nUsage: ./main.elf [main iterations] [sub iteration] [nb cores]\n");
return 0;
}
// Init the epiphany platform
e_platform_t platform;
e_epiphany_t dev;
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
e_open(&dev, 0, 0, 4, 4);
e_load_group("emain.srec", &dev, 0, 0, 4, 4, E_FALSE); // don't start immediately
e_start_group(&dev); // Start workgroup
unsigned ncores = nb_cores; if(ncores>16) exit(0);
unsigned k;
for(k = 0; k < ncores; k++) {
e_write(&dev, k/4, k%4, 0x400c, &sub_iteration, sizeof(unsigned));
}
// >>>>> Begin benchamrk
float start_t = second();
unsigned i,j;
float res = 0;
unsigned go = 1;
unsigned free_not_found = 1;
i = j = 0;
for(; i < main_iteration; i++) {
free_not_found = 1;
while(free_not_found) {
unsigned state;
e_read(&dev, j/4, j%4, 0x4008, &state, sizeof(unsigned));
if(state == 0) { // 1 busy, 0 free
float temp_res;
e_read(&dev, j/4, j%4, 0x4004, &temp_res, sizeof(float));
res += temp_res;
unsigned instruction = i; // copy i
e_write(&dev, j/4, j%4, 0x4000, &instruction, sizeof(unsigned));
e_write(&dev, j/4, j%4, 0x4008, &go, sizeof(unsigned));
free_not_found = 0;
}
j = (++j)%ncores;
}
}
// Be sure not to leave a core still working
for(j = 0; j < ncores; j++) {
unsigned state;
e_read(&dev, j/4, j%4, 0x4008, &state, sizeof(unsigned));
while(state == 1) {
e_read(&dev, j/4, j%4, 0x4008, &state, sizeof(unsigned));
}
float temp_res;
e_read(&dev, j/4, j%4, 0x4004, &temp_res, sizeof(float));
res += temp_res;
}
res *= 4;
float end_t = second();
// <<<<< End benchmark
float spent_t = end_t - start_t;
#ifdef STAT
printf("%i,\t%i,\t%f, \t%f\n", main_iteration, sub_iteration, spent_t, res);
#else
printf("PI = %f\ttime spent %fs\n", res, spent_t);
#endif
return 0;
}
int main(int argc, char *argv[])
{
e_epiphany_t Epiphany, *pEpiphany;
e_mem_t DRAM, *pDRAM;
unsigned int msize;
int row, col, cnum;
ILuint ImgId;
// ILenum Error;
ILubyte *imdata;
ILuint imsize, imBpp;
unsigned int addr;
size_t sz;
struct timespec timer[4];
uint32_t time_p[TIMERS];
uint32_t time_d[TIMERS];
FILE *fo;
// FILE *fi;
int result;
pEpiphany = &Epiphany;
pDRAM = &DRAM;
msize = 0x00400000;
//get_args(argc, argv);
strcpy(ar.ifname,argv[1]);
strcpy(ar.elfFile,argv[2]);
strcpy(ar.ofname, ar.ifname);
printf("------------------------------------------------------------\n");
fo = fopen("matprt.m", "w");
if ((fo == NULL)) // || (fi == NULL))
{
fprintf(stderr, "Could not open Octave file \"%s\" ...exiting.\n", "matprt.m");
exit(4);
}
// fo = stderr;
// Connect to device for communicating with the Epiphany system
// Prepare device
e_set_host_verbosity(ar.verbose);
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
if (e_open(pEpiphany, 0, 0, platform.rows, platform.cols))
{
fprintf(fo, "\nERROR: Can't establish connection to Epiphany device!\n\n");
exit(1);
}
if (e_alloc(pDRAM, 0x00000000, msize))
{
fprintf(fo, "\nERROR: Can't allocate Epiphany DRAM!\n\n");
exit(1);
}
// Initialize Epiphany "Ready" state
addr = offsetof(shared_buf_t, core.ready);
Mailbox.core.ready = 0;
e_write(pDRAM, 0, 0, addr, (void *) &(Mailbox.core.ready), sizeof(Mailbox.core.ready));
result = e_load_group(ar.elfFile, pEpiphany, 0, 0, platform.rows, platform.cols, (e_bool_t) (ar.run_target));
if (result == E_ERR) {
printf("Error loading Epiphany program.\n");
exit(1);
}
// Check if the DevIL shared lib's version matches the executable's version.
if (ilGetInteger(IL_VERSION_NUM) < IL_VERSION)
{
fprintf(stderr, "DevIL version is different ...exiting!\n");
exit(2);
}
// Initialize DevIL.
ilInit();
#ifdef ILU_ENABLED
iluInit();
#endif
// create the coreID list
init_coreID(pEpiphany, coreID, _Nside, _Nside, 0x808);
// Generate the main image name to use, bind it and load the image file.
ilGenImages(1, &ImgId);
ilBindImage(ImgId);
if (!ilLoadImage(ar.ifname))//ar.ifname
{
fprintf(stderr, "Could not open input image file \"%s\" ...exiting.\n", ar.ifname);
exit(3);
}
// Display the image's dimensions to the end user.
/*
printf("Width: %d Height: %d Depth: %d Bpp: %d\n\n",
ilGetInteger(IL_IMAGE_WIDTH),
ilGetInteger(IL_IMAGE_HEIGHT),
ilGetInteger(IL_IMAGE_DEPTH),
ilGetInteger(IL_IMAGE_BITS_PER_PIXEL));
*/
imdata = ilGetData();
imsize = ilGetInteger(IL_IMAGE_WIDTH) * ilGetInteger(IL_IMAGE_HEIGHT);
imBpp = ilGetInteger(IL_IMAGE_BYTES_PER_PIXEL);
if (imsize != (_Sfft * _Sfft))
{
printf("Image file size is different from %dx%d ...exiting.\n", _Sfft, _Sfft);
exit(5);
}
// Extract image data into the A matrix.
for (unsigned int i=0; i<imsize; i++)
{
Mailbox.A[i] = (float) imdata[i*imBpp] + 0.0 * I;
}
fprintf(fo, "\n");
// Generate operand matrices based on a provided seed
matrix_init(0);
#ifdef _USE_DRAM_
// Copy operand matrices to Epiphany system
addr = DRAM_BASE + offsetof(shared_buf_t, A[0]);
sz = sizeof(Mailbox.A);
fprintf(fo, "%% Writing A[%ldB] to address %08x...\n", sz, addr);
e_write(addr, (void *) Mailbox.A, sz);
addr = DRAM_BASE + offsetof(shared_buf_t, B[0]);
sz = sizeof(Mailbox.B);
fprintf(fo, "%% Writing B[%ldB] to address %08x...\n", sz, addr);
e_write(addr, (void *) Mailbox.B, sz);
#else
// Copy operand matrices to Epiphany cores' memory
fprintf(fo, "%% Writing image to Epiphany\n");
sz = sizeof(Mailbox.A) / _Ncores;
for (row=0; row<(int) platform.rows; row++)
for (col=0; col<(int) platform.cols; col++)
{
addr = BankA_addr;
fflush(stdout);
cnum = e_get_num_from_coords(pEpiphany, row, col);
// printf( "Writing A[%uB] to address %08x...\n", sz, addr);
fprintf(fo, "%% Writing A[%uB] to address %08x...\n", sz, (coreID[cnum] << 20) | addr);
fflush(fo);
e_write(pEpiphany, row, col, addr, (void *) &Mailbox.A[cnum * _Score * _Sfft], sz);
}
#endif
// Call the Epiphany fft2d() function
fprintf(fo, "%% GO!\n");
fflush(stdout);
fflush(fo);
clock_gettime(CLOCK_MONOTONIC, &timer[0]);
fft2d_go(pDRAM);
clock_gettime(CLOCK_MONOTONIC, &timer[1]);
fprintf(fo, "%% Done!\n\n");
fflush(stdout);
fflush(fo);
// Read time counters
// printf( "Reading time count...\n");
fprintf(fo, "%% Reading time count...\n");
addr = 0x7128+0x4*2 + offsetof(core_t, time_p[0]);
sz = TIMERS * sizeof(uint32_t);
e_read(pEpiphany, 0, 0, addr, (void *) (&time_p[0]), sz);
// for (int i=0; i<TIMERS; i++)
// printf("time_p[%d] = %u\n", i, time_p[i]);
time_d[2] = time_p[7] - time_p[2]; // FFT setup
time_d[3] = time_p[2] - time_p[3]; // bitrev (x8)
time_d[4] = time_p[3] - time_p[4]; // FFT-1D (x8)
time_d[5] = time_p[4] - time_p[5]; // corner-turn
time_d[6] = time_p[7] - time_p[8]; // FFT-2D
time_d[7] = time_p[6] - time_p[7]; // LPF
time_d[9] = time_p[0] - time_p[9]; // Total cycles
fprintf(fo, "%% Finished calculation in %u cycles (%5.3f msec @ %3.0f MHz)\n\n", time_d[9], (time_d[9] * 1000.0 / eMHz), (eMHz / 1e6));
printf( "FFT2D - %7u cycles (%5.3f msec)\n", time_d[6], (time_d[6] * 1000.0 / eMHz));
printf( " FFT Setup - %7u cycles (%5.3f msec)\n", time_d[2], (time_d[2] * 1000.0 / eMHz));
printf( " BITREV - %7u cycles (%5.3f msec)\n", time_d[3], (time_d[3] * 1000.0 / eMHz));
printf( " FFT1D - %7u cycles (%5.3f msec x2)\n", time_d[4], (time_d[4] * 1000.0 / eMHz));
printf( " Corner Turn - %7u cycles (%5.3f msec)\n", time_d[5], (time_d[5] * 1000.0 / eMHz));
printf( "LPF - %7u cycles (%5.3f msec)\n", time_d[7], (time_d[7] * 1000.0 / eMHz));
fprintf(fo, "%% Reading processed image back to host\n");
// Read result matrix
#ifdef _USE_DRAM_
addr = DRAM_BASE + offsetof(shared_buf_t, B[0]);
sz = sizeof(Mailbox.B);
printf( "Reading B[%ldB] from address %08x...\n", sz, addr);
fprintf(fo, "%% Reading B[%ldB] from address %08x...\n", sz, addr);
blknum = sz / RdBlkSz;
remndr = sz % RdBlkSz;
for (i=0; i<blknum; i++)
{
fflush(stdout);
e_read(addr+i*RdBlkSz, (void *) ((long unsigned)(Mailbox.B)+i*RdBlkSz), RdBlkSz);
}
fflush(stdout);
e_read(addr+i*RdBlkSz, (void *) ((long unsigned)(Mailbox.B)+i*RdBlkSz), remndr);
#else
// Read result matrix from Epiphany cores' memory
sz = sizeof(Mailbox.A) / _Ncores;
for (row=0; row<(int) platform.rows; row++)
for (col=0; col<(int) platform.cols; col++)
{
addr = BankA_addr;
fflush(stdout);
cnum = e_get_num_from_coords(pEpiphany, row, col);
// printf( "Reading A[%uB] from address %08x...\n", sz, addr);
fprintf(fo, "%% Reading A[%uB] from address %08x...\n", sz, (coreID[cnum] << 20) | addr);
fflush(fo);
e_read(pEpiphany, row, col, addr, (void *) &Mailbox.B[cnum * _Score * _Sfft], sz);
}
#endif
// Convert processed image matrix B into the image file date.
for (unsigned int i=0; i<imsize; i++)
{
for (unsigned int j=0; j<imBpp; j++)
imdata[i*imBpp+j] = cabs(Mailbox.B[i]);
}
// Save processed image to the output file.
ilEnable(IL_FILE_OVERWRITE);
if (!ilSaveImage(ar.ofname))
{
fprintf(stderr, "Could not open output image file \"%s\" ...exiting.\n", ar.ofname);
exit(7);
}
// We're done with the image, so let's delete it.
ilDeleteImages(1, &ImgId);
// Simple Error detection loop that displays the Error to the user in a human-readable form.
// while ((Error = ilGetError()))
// PRINT_ERROR_MACRO;
// Close connection to device
if (e_close(pEpiphany))
{
fprintf(fo, "\nERROR: Can't close connection to Epiphany device!\n\n");
exit(1);
}
if (e_free(pDRAM))
{
fprintf(fo, "\nERROR: Can't release Epiphany DRAM!\n\n");
exit(1);
}
fflush(fo);
fclose(fo);
//Returnin success if test runs expected number of clock cycles
//Need to add comparison with golden reference image!
printf("------------------------------------------------------------\n");
if(time_d[9]>50000) {
printf( "TEST \"fft2d\" PASSED\n");
return EXIT_SUCCESS;
}
else {
printf( "TEST \"fft2d\" FAILED\n");
return EXIT_FAILURE;
}
}
int main(int argc, char *argv[])
{
unsigned rows, cols, ncores, coreid, i, j;
const uint32_t one = 1, zero = 0;
int result[_MAX_CORES];
e_platform_t platform;
e_epiphany_t dev;
e_mem_t emem;
int fault, highest;
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Allocate a buffer in shared external memory
// for message passing from eCore to host.
e_alloc(&emem, _BufOffset, _BufSize);
//open the workgroup
rows = platform.rows;
cols = platform.cols;
e_open(&dev, 0, 0, rows, cols);
//load the device program on the board
e_load_group("emain.srec", &dev, 0, 0, rows, cols, E_FALSE);
e_start_group(&dev);
usleep(100000);
ncores = rows * cols;
printf("num-cores = %4d\n", ncores);
fault = 0x0;
for (i=0; i < 0x10000; i++) {
/* Pause leader core so we can read without races */
e_write(&dev, 0, 0, 0x7000, &one, sizeof(one));
/* Lazily assume cores will be paused and writes from all cores
* to ERAM have propagated after below sleep. This must be
* calibrated w.r.t Epiphany chip clock frequency and delay
* cycles in the device code */
usleep(1000);
/* read the results */
e_read(&emem, 0, 0, 0x0, &result, ncores*sizeof(int));
/* Resume */
e_write(&dev, 0, 0, 0x7000, &zero, sizeof(zero));
highest = result[0];
for (j=0; j<ncores; j++) {
if (result[j] != result[0]) {
fault++;
if (highest < result[j])
highest = result[j];
}
}
/* Don't print every iteration */
if (i % 0x10)
continue;
printf("[%03x] ", i);
for (j=0; j<ncores; j++)
printf("%04x ", result[j]);
printf("\n");
if (highest >= NBARRIERS)
break;
/* Do a small wait so it is easy to see that the E cores are
* running independently. */
usleep(10000);
}
//print the success/error message duel to the number of fault
if (fault == 0)
printf("\ntest #20: Hardware Barrier Passed!\n");
else
printf("\ntest #20: Hardware Barrier Failed! Fault is 0x%08x!\n", fault);
e_close(&dev);
e_free(&emem);
e_finalize();
return fault != 0;
}
int main(int argc, char *argv[]){
//----------------------------
e_platform_t platform;
e_epiphany_t dev;
e_hal_diag_t e_verbose;
unsigned int i,j,k,addr;
unsigned int data;
int status=1;//pass
int row0,col0,rows,cols;
int verbose=0;
unsigned int high_pattern = 0xaaaaaaaa;
unsigned int low_pattern = 0x55555555;
unsigned int result;
if (argc < 5){
usage();
exit(1);
}
else{
row0 = atoi(argv[1]);
col0 = atoi(argv[2]);
rows = atoi(argv[3]);
cols = atoi(argv[4]);
}
//Open
e_init(NULL);
my_reset_system();
e_get_platform_info(&platform);
e_open(&dev, 0, 0, platform.rows, platform.cols);
printf("-------------------------------------------------------\n");
for (i=row0; i<(row0+rows); i++) {
for (j=col0; j<(col0+cols); j++) {
printf("Running host register file test for core (%d,%d)\n", i,j);
for(k=0;k<REGS;k++){
addr=0xF0000+k;
//high pattern
e_write(&dev, i, j, addr, &high_pattern, sizeof(int));
e_read(&dev, i, j, addr, &result, sizeof(int));
printf("res=%x\n",result);
if(result!=high_pattern){
status=0;
}
//low pattern
e_write(&dev, i, j, addr, &low_pattern, sizeof(int));
e_read(&dev, i, j, addr, &result, sizeof(int));
if(result!=low_pattern){
status=0;
}
}
}
}
//Close
e_close(&dev);
e_finalize();
//Self Check
if(status){
return EXIT_SUCCESS;
}
else{
return EXIT_FAILURE;
}
}
int main(int argc, char *argv[])
{
unsigned row, col, coreid, i, j, m, n, k;
e_platform_t platform;
e_epiphany_t dev;
int err = 0;
unsigned flag = 0x00000000;
unsigned flag1 = 0x00000000;
unsigned flag2 = 0x00000000;
unsigned flag3 = 0x00000000;
srand(1);
// initialize system, read platform params from
// default HDF. Then, reset the platform and
// get the actual system parameters.
e_init(NULL);
e_reset_system();
e_get_platform_info(&platform);
// Open a workgroup
e_open(&dev, 0, 0, platform.rows, platform.cols);
// Load the device program onto core (0,0)
e_load_group("e_dma_2d_test.srec", &dev, 0, 0, platform.rows, platform.cols, E_FALSE);
// Launch to each core
for (i=0; i<platform.rows; i++)
{
for(j=0; j<platform.cols; j++)
{
row=i;
col=j;
coreid = (row + platform.row) * 64 + col + platform.col;
fprintf(stderr,"%3d: Message from eCore 0x%03x (%2d,%2d) : \n",(row*platform.cols+col),coreid,row,col);
// Start device
e_start(&dev, i, j);
usleep(500000);
// Wait for core program execution to finish
// Read message from shared buffer
e_read(&dev, i, j, 0x6000, &flag, sizeof(flag));
e_read(&dev, i, j, 0x6100, &flag1, sizeof(flag1));
e_read(&dev, i, j, 0x6200, &flag2, sizeof(flag2));
e_read(&dev, i, j, 0x6300, &flag3, sizeof(flag3));
// Print the message and close the workgroup.
if(flag == 0xffffffff)
{
fprintf(stderr, "PASS for word size!\n");
}else
{
fprintf(stderr, "Fail for word size!\n");
err = 1;
}
if(flag1 == 0xffffffff)
{
fprintf(stderr, "PASS for doubleword size!\n");
}else
{
fprintf(stderr, "Fail for doubleword size!\n");
err = 1;
}
if(flag2 == 0xffffffff)
{
fprintf(stderr, "PASS for halfword size!\n");
}else
{
fprintf(stderr, "Fail for halfword size!\n");
err = 1;
}
if(flag3 == 0xffffffff)
{
fprintf(stderr, "PASS for byte size!\n");
}else
{
fprintf(stderr, "Fail for byte size!\n");
err = 1;
}
}
}
// Close the workgroup
e_close(&dev);
// Finalize the e-platform connection.
e_finalize();
return err;
}