Speed Test

/* * Copyright 2008 Digital Bazaar, Inc. * * This file is part of librdfa. * * librdfa is Free Software, and can be licensed under any of the * following three licenses: * * 1. GNU Lesser General Public License (LGPL) V2.1 or any * newer version * 2. GNU General Public License (GPL) V2 or any newer version * 3. Apache License, V2.0 or any newer version * * You may not use this file except in compliance with at least one of * the above three licenses. * * See LICENSE-* at the top of this software distribution for more * information regarding the details of each license. * * This test checks to see how quickly we can process triples and is a * very basic performance test for the librdfa library. */ #include #include #include #include #include #define MAX_ITERATIONS 20000 int g_iteration = 0; rdfacontext* g_context = NULL; unsigned long long g_bytes_processed = 0; void process_triple(rdftriple* triple, void* callback_data) { rdfa_free_triple(triple); } size_t fill_buffer(char* buffer, size_t buffer_length, void* callback_data) { char* data = NULL; size_t data_length = buffer_length; if(g_iteration == 0) { data = "\n" "\n" "\n" "Speed Test\n" "

\n"; memset(buffer, ' ', buffer_length); memcpy(buffer, data, strlen(data)); } else if(g_iteration < MAX_ITERATIONS) { data = ""; memset(buffer, ' ', buffer_length); memcpy(buffer, data, strlen(data)); } else { data = "

"; // update data_length because this is the end of the stream, no // whitespace after it data_length = strlen(data); memset(buffer, ' ', buffer_length); memcpy(buffer, data, data_length); } g_iteration++; g_bytes_processed += data_length; //buffer[buffer_length - 1] = 0; //printf("%s", buffer); return data_length; } int main(int argc, char** argv) { printf("Speed test...\n"); clock_t stime = clock(); rdfacontext* g_context = rdfa_create_context("http://example.org/speed"); rdfa_set_triple_handler(g_context, &process_triple); rdfa_set_buffer_filler(g_context, &fill_buffer); rdfa_parse(g_context); rdfa_free_context(g_context); clock_t etime = clock(); float delta = etime - stime; printf("Processed %1.2f triples per second from %lli bytes of data.\n", (MAX_ITERATIONS / (delta / CLOCKS_PER_SEC)), g_bytes_processed); return 0; }