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cudpar.cu
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cudpar.cu
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#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <time.h>
#include <limits.h>
#include <cuda_runtime.h>
#include <device_launch_parameters.h>
#define ORBITSPERDAY 20.0
#define SIMULATIONTIMEDAYS 1
#define STEPTIME 50.0
#define SECONDSPERDAY 86400.0
#define PI 3.141592653589793
#define RADIUSOFORBIT 7000.0
#define INCLINATION 30.0
double batterycharge = 100.00;
int num_images = 0;
double avg_charge = 0.0;
int num_images_comp = 0;
int num_images_trans = 0;
int num_beacon_trans = 0;
double sun_time = 0.0;
int gps_access = 0;
int batteryfails = 0;
int adcsfails = 0;
double average_comp_ratio = 0.0;
__global__ void masterkernel(int* imgsizecuda,double* pos, int* suncuda, uint16_t* imgcuda, uint8_t* compimgcuda, double* batterychargecuda,\
int* batteryfailscuda, double* avg_chargecuda, int* adcsfailscuda, int* gps_accesscuda,\
int* num_imagescuda, int* num_images_transcuda, int* num_images_compcuda,\
double* average_comp_ratiocuda, int* num_beacon_transcuda,\
double* sun_timecuda, double SECONDSPERORBIT, double inc, double sec)
{
int bid = blockIdx.x;
int tid = threadIdx.x;
switch(bid)
{
case 0:{
switch(tid)
{
case 0:{
if(*batterychargecuda < 30.00)
{
(*batteryfailscuda)++;
return;
}
double theta = sec * (360.0 / SECONDSPERORBIT);
double phi = inc;
double range = sqrt(pow(pos[0], 2) + pow(pos[1], 2) + pow(pos[2], 2));
double xaxis = range * cos(theta * (PI / 180.0));
double yaxis = range * sin(theta * (PI / 180.0)) * cos(phi * (PI / 180.0));
double zaxis = range * sin(theta * (PI / 180.0)) * sin(phi * (PI / 180.0));
pos[0] = xaxis;
pos[1] = yaxis;
pos[2] = zaxis;
(gps_accesscuda)++;
*batterychargecuda -= 12.0;
break;
}
case 1:{
if(*batterychargecuda < 10.0)
{
(*batteryfailscuda)++;
return;
}
if(sec > (SECONDSPERORBIT / 2))
{
return;
}
int ind1 = 0;
int ind2 = 3;
int ind3 = 4;
suncuda[ind1] = suncuda[ind2] = suncuda[ind3] = 1;
*sun_timecuda += 0.1 * ((suncuda[0] ? 1 : 0) + (suncuda[5] ? 1 : 0)) + 0.2 * ((suncuda[1] ? 1 : 0) + (suncuda[2] ? 1 : 0) + (suncuda[3] ? 1 : 0) + (suncuda[4] ? 1 : 0));
*batterychargecuda -= 6.0;
break;
}
case 2:{
if(*batterychargecuda < 40.0)
{
(*batteryfailscuda)++;
return;
}
int i = 0;
for(i = 0;i < 512;i++)
{
int j = 0;
for(j = 0;j < 640;j++)
{
imgcuda[i * 640 + j] = 5524;
}
}
(*num_imagescuda)++;
*batterychargecuda -= 25.0;
break;
}
case 3:{
if(*batterychargecuda < 6.0)
{
(*batteryfailscuda)++;
return;
}
int i = 0, mainindex = 0;
for(i = 0;i < (512 * 640);i += 2)
{
uint8_t first = (imgcuda[i] & 0x0000FFFF);
uint8_t second = (((uint16_t)(imgcuda[i] >> 8)) & 0x0000FFFF);
compimgcuda[mainindex++] = first + second;
}
*batterychargecuda -= 5.0;
(*num_images_compcuda)++;
*imgsizecuda = mainindex;
*average_comp_ratiocuda += (*imgsizecuda) > 0.0 ? ((512.0 * 640.0 * 2) / ((double)(*imgsizecuda))) : 0;
break;
}
}
break;
}
case 1:{
switch(tid)
{
case 0:{
if(*batterychargecuda < 25.0)
{
(*batteryfailscuda)++;
return;
}
int i;
for(i = 0;i < 3;i++)
{
int j;
for(j = 0;j < *imgsizecuda;j++)
{
compimgcuda[j] = 0;
}
}
*batterychargecuda -= 15.0;
(*num_images_compcuda)++;
break;
}
case 1:{
if(*batterychargecuda < 20.0)
{
(*batteryfailscuda)++;
return;
}
int i;
uint8_t becaon[38];
union DBL
{
double d;
char c[sizeof(double)];
}dbl;
for(i = 0;i < 60;i++)
{
int mainindex = 0;
int j;
for(j = 0;j < 3;j++)
{
dbl.d = pos[j];
int k = 0;
for(k = 0;k < sizeof(double);k++)
{
becaon[mainindex++] = dbl.c[k];
}
}
for(j = 0;j < 6;j++)
{
becaon[mainindex++] = (suncuda[j] ? 1 : 0);
}
dbl.d = *batterychargecuda;
for(j = 0;j < sizeof(double);j++)
{
becaon[mainindex++] = dbl.c[j];
}
for(j = 0;j < 38;j++)
{
becaon[j] = 0;
}
}
(*num_beacon_transcuda)++;
*batterychargecuda -= 10.0;
break;
}
case 2:{
if(*batterychargecuda < 6.0)
{
(*batteryfailscuda)++;
return;
}
double range = sqrt(pow(pos[0], 2) + pow(pos[1], 2) + pow(pos[2], 2));
double theta = acos(pos[0] / range) * (180.0 / PI);
double phi = acos(pos[1] / (range * sin(theta * (PI / 180.0)))) * (180.0 / PI);
phi = (phi + (asin(pos[2] / (range * sin(theta * (PI / 180.0)))) * (180.0 / PI))) / 2;
if(((int)(inc)) != ((int)(phi)))
{
(*adcsfailscuda)++;
}
*batterychargecuda -= 5.0;
break;
}
case 3:{
if(sec <= (SECONDSPERORBIT / 2))
{
*batterychargecuda = min(100.0, *batterychargecuda + 60.0);
*avg_chargecuda += *batterychargecuda;
}
break;
}
}
break;
}
}
}
int main()
{
printf("****Orbit Simulator****\n\n");
printf("Geocentric circular orbit\n");
printf("Radius of orbit: %lfkm\n", RADIUSOFORBIT);
printf("Height of orbit: %lfkm\n", RADIUSOFORBIT - 6400.0);
printf("Inclination of orbit: %lfdeg\n", INCLINATION);
printf("Number of orbits per day: %lf\n", ORBITSPERDAY);
printf("Temporal length of each orbit: %lfsec\n", SECONDSPERDAY / ORBITSPERDAY);
printf("Tangential orbital velocity: %lfkm/sec\n\n", (2 * PI * RADIUSOFORBIT) / (SECONDSPERDAY / ORBITSPERDAY));
double Position[3] = {RADIUSOFORBIT, 0.0, 0.0};
uint16_t image[512][640] = {0};
uint8_t compressedimage[512 * 640] = {0};
int SunSensorVal[6] = {0};
int days = 0;
int *suncuda, *imgsizecuda, *num_imagescuda, *num_images_compcuda, *num_images_transcuda, *num_beacon_transcuda, *batteryfailscuda, *adcsfailscuda, *gps_accesscuda;
uint8_t* compimgcuda;
uint16_t* imgcuda;
int compressedsize = 0.0;
double *avg_chargecuda, *sun_timecuda, *batterychargecuda, *poscuda, *average_comp_ratiocuda;
cudaMalloc(&poscuda, sizeof(double) * 3);
cudaMalloc(&suncuda, sizeof(int) * 6);
cudaMalloc(&imgcuda, sizeof(uint16_t) * 512 * 640);
cudaMalloc(&compimgcuda, sizeof(uint8_t) * 512 * 640);
cudaMalloc(&num_images_compcuda, sizeof(int));
cudaMalloc(&num_imagescuda, sizeof(int));
cudaMalloc(&num_images_transcuda, sizeof(int));
cudaMalloc(&gps_accesscuda, sizeof(int));
cudaMalloc(&num_beacon_transcuda, sizeof(int));
cudaMalloc(&batteryfailscuda, sizeof(int));
cudaMalloc(&imgsizecuda, sizeof(int));
cudaMalloc(&adcsfailscuda, sizeof(int));
cudaMalloc(&avg_chargecuda, sizeof(double));
cudaMalloc(&average_comp_ratiocuda, sizeof(double));
cudaMalloc(&batterychargecuda, sizeof(double));
cudaMalloc(&sun_timecuda, sizeof(double));
cudaMemcpy(poscuda, Position, sizeof(double) * 3, cudaMemcpyHostToDevice);
cudaMemcpy(avg_chargecuda, &avg_charge, sizeof(double), cudaMemcpyHostToDevice);
cudaMemcpy(average_comp_ratiocuda, &average_comp_ratio, sizeof(double), cudaMemcpyHostToDevice);
cudaMemcpy(sun_timecuda, &sun_time, sizeof(double), cudaMemcpyHostToDevice);
cudaMemcpy(suncuda, SunSensorVal, sizeof(int) * 6, cudaMemcpyHostToDevice);
cudaMemcpy(batterychargecuda, &batterycharge, sizeof(double), cudaMemcpyHostToDevice);
cudaMemcpy(batteryfailscuda, &batteryfails, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(imgsizecuda, &compressedsize, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(adcsfailscuda, &adcsfails, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(imgcuda, image, sizeof(uint16_t) * 512 * 640, cudaMemcpyHostToDevice);
cudaMemcpy(compimgcuda, compressedimage, sizeof(uint8_t) * 512 * 640, cudaMemcpyHostToDevice);
cudaMemcpy(gps_accesscuda, &gps_access, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(num_imagescuda, &num_images, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(num_beacon_transcuda, &num_beacon_trans, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(num_images_transcuda, &num_images_trans, sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(num_images_compcuda, &num_images_comp, sizeof(int), cudaMemcpyHostToDevice);
clock_t begin = clock();
for(days = 1;days <= SIMULATIONTIMEDAYS;days++)
{
printf("%s%d\n", "Day: ", days);
double orbits = 0;
for(orbits = 0.0;orbits < ORBITSPERDAY;orbits++)
{
printf("%s%lf\n", "Orbit: ", orbits);
double seconds = 0.0;
double SECONDSPERORBIT = SECONDSPERDAY / ORBITSPERDAY;
for(seconds = 0.0;seconds <= SECONDSPERORBIT;seconds += STEPTIME)
{
masterkernel<<<2, 4>>>(imgsizecuda, poscuda, suncuda, imgcuda,\
compimgcuda, batterychargecuda, batteryfailscuda, avg_chargecuda,\
adcsfailscuda, gps_accesscuda, num_imagescuda, num_images_transcuda,\
num_images_compcuda, average_comp_ratiocuda, num_beacon_transcuda,\
sun_timecuda, SECONDSPERORBIT, INCLINATION, seconds);
}
}
}
clock_t end = clock();
cudaMemcpy(Position, poscuda, sizeof(double) * 3, cudaMemcpyDeviceToHost);
cudaMemcpy(&avg_charge, avg_chargecuda, sizeof(double), cudaMemcpyDeviceToHost);
cudaMemcpy(&average_comp_ratio, average_comp_ratiocuda, sizeof(double), cudaMemcpyDeviceToHost);
cudaMemcpy(&sun_time, sun_timecuda, sizeof(double), cudaMemcpyDeviceToHost);
cudaMemcpy(SunSensorVal, suncuda, sizeof(int) * 6, cudaMemcpyDeviceToHost);
cudaMemcpy(&batterycharge, batterychargecuda, sizeof(double), cudaMemcpyDeviceToHost);
cudaMemcpy(&batteryfails, batteryfailscuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&adcsfails, adcsfailscuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&compressedsize, imgsizecuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(image, imgcuda, sizeof(uint16_t) * 512 * 640, cudaMemcpyDeviceToHost);
cudaMemcpy(compressedimage, compimgcuda, sizeof(uint8_t) * 512 * 640, cudaMemcpyDeviceToHost);
cudaMemcpy(&gps_access, gps_accesscuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&num_images, num_imagescuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&num_beacon_trans, num_beacon_transcuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&num_images_trans, num_images_transcuda, sizeof(int), cudaMemcpyDeviceToHost);
cudaMemcpy(&num_images_comp, num_images_compcuda, sizeof(int), cudaMemcpyDeviceToHost);
printf("\nRelative sun time: %lf\n", sun_time);
printf("Number of GPS Access: %d\n", gps_access);
printf("Number of images clicked: %d\n", num_images);
printf("Number of images compressed: %d\n", num_images_comp);
printf("Number of images transmitted: %d\n", num_images_trans);
printf("Average compression ratio: %lf\n", average_comp_ratio / ((double)(num_images_comp)));
printf("Number of beacon transmissions: %d\n", num_beacon_trans);
printf("Number of ADCS failures: %d\n", adcsfails);
printf("Average battery charge: %lf\n", avg_charge / ((double)(SIMULATIONTIMEDAYS * SECONDSPERDAY)));
printf("Number of battery failures: %d\n", batteryfails);
printf("Run time: %lf\n", ((double)(end - begin)) / CLOCKS_PER_SEC);
}