C++ (Cpp) Performance::report_usec Examples

Example #1

File: main.cpp Project: mapleelpam/openCL-string-compare

void test_in_cpu( char* text, char* pattern )
{
	Performance p;
	p.start();

	bool match = false;
	int count = 0;
	for( int n = 0 ; n < LENGTH_OF_TEXT - 1; n ++ ) { 
		int m = 0;
		if( n == 0 || text[n-1] == ' ' ) {
			for( ; m < LENGTH_OF_PATTERN - 1; m ++ ) {
				if( pattern[m] != text[n+m] )
					break;
			}
		}
		if( m == LENGTH_OF_PATTERN - 1 )
			count ++;
	}

	p.stop();

	printf(" done Execution (CPU) time = (%u,%u), result = %d\n", p.report_sec(), p.report_usec(),count);
}

Example #2

File: main.cpp Project: mapleelpam/openCL-string-compare

void run() {
	Performance p;

	printf("Allocating buffers\n");

	text_buf = alloc_shared_buffer<char> (LENGTH_OF_TEXT, &text_c);
	pattern_buf= alloc_shared_buffer<char> (LENGTH_OF_PATTERN, &pattern_c);
	result_buf= alloc_shared_buffer<char> (1, &result_c);
	result_c[0] = 0;

	init_string( text_c, pattern_c );

	printf("Initializing kernels\n");
	size_t task_dim = 1;
	clKernelSet kernel_set (device, context, program);
//	kernel_set.addKernel ("text_processor", 1, &task_dim, text_buf, LENGTH_OF_TEXT);
//	kernel_set.addKernel ("word_processor", 1, &task_dim);
	kernel_set.addKernel ("word_processor", 1, &task_dim, text_buf, LENGTH_OF_TEXT);
	kernel_set.addKernel ("matching", 1, &task_dim, pattern_buf, LENGTH_OF_PATTERN, result_buf);

	printf("Launching the kernel...\n");
	p.start();
	kernel_set.launch();

	printf(" start waiting.... \n");
	kernel_set.finish();


	p.stop();
	printf(" done Execution (OpenCL Channel) time = (%u,%u), result = %d\n", p.report_sec(), p.report_usec(),result_c[0]);

	test_in_cpu( text_c, pattern_c );

	return;
}