int main(int argc, char** argv)
{
if (argc != 2)
{
printf("Usage: ./fileops1 <input text file> \n");
exit(1);
}
char *content;
int size,size2;
size = ae_load_file_to_memory(argv[1], &content);
size2=size;
if (size < 0)
{
puts("Error loading file");
return 1;
}
do {
// putchar(content[size-1]);
size--;
}
while(size > 0);
do {
putchar(content[size]);
size2--;
size++;
}
while(size2 > 0);
return 0;
}
int main( int argc, const char* argv[] )
{
double start,end;
double dif;
char* file_name = "../data/file.txt";
char* result;
char* search_key = "123123";
long long nr_bytes;
long long i;
long long nr_lines;
int string_size = strlen(search_key);
int block_size;
int read_count;
int line_size;
start = omp_get_wtime();
// read file:
nr_bytes = ae_load_file_to_memory(argv[1],&result);
end = omp_get_wtime();
dif = end-start;
printf("LoadFile core %i: %f\n",omp_get_thread_num(), dif);
// assume each line in file is equally long. here we get the line size.
for ( i=0 ; i<nr_bytes ; i++ ) {
if ( result[i]=='\n' ) {
line_size = i+1;
break;
}
}
//
nr_lines = nr_bytes / line_size;
block_size = 1.5*(nr_lines/pow(6,string_size));
read_count = 0;
start = omp_get_wtime();
// search:
read_count = read_file(result,search_key,block_size,nr_lines,line_size);
end = omp_get_wtime();
dif = end - start;
printf("Search core %i: %f\n",omp_get_thread_num(),dif);
printf("result found: %i\n", read_count);
}
int main( int argc, const char* argv[] )
{
double start,end;
double dif;
//int data_size = 100000000;
// int string_size = 6;
// int block_size = 1.5*(data_size/pow(10,string_size));
// int read_count;
char* file_name = "../data/file.txt";
char* result;
long long nr_bytes;
start = omp_get_wtime();
nr_bytes = ae_load_file_to_memory(argv[1],&result);
end = omp_get_wtime();
dif = end-start;
printf("load file %f\n",dif);
int line_size;
long long i;
for ( i=0 ; i<nr_bytes ; i++ ){
if ( result[i]=='\n' ){
line_size = i+1;
break;
}
}
// assume that all the lines in the file have the same size
long long data_size = nr_bytes / line_size;
int string_size = 6;
int block_size = 1.5*(data_size/pow(10,string_size));
int read_count;
start = omp_get_wtime();
read_count = read_file(result,"123123",block_size,data_size,line_size);
end = omp_get_wtime();
dif = end - start;
printf("search: %f\n",dif);
printf("result found: %i\n", read_count);
}
