mirror of https://github.com/BlackLight/fsom.git
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
/*
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* =====================================================================================
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*
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* Filename: example.c
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*
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* Description: Examle file to benchmark fsom library.
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*
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* Version: 0.1
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* Revision: none
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* Compiler: gcc
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*
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* Author: BlackLight (http://0x00.ath.cx), <blacklight@autistici.org>
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* Contributor: evilsocket (http://www.evilsocket.net), <evilsocket@gmail.com>
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* Licence: GNU GPL v.3
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* Company: DO WHAT YOU WANT CAUSE A PIRATE IS FREE, YOU ARE A PIRATE!
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*
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* =====================================================================================
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*/
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#include "fsom.h"
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#include <alloca.h>
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#include <stdio.h>
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#include <sys/time.h>
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static unsigned long prev_uticks = 0;
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static unsigned long get_uticks(){
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struct timeval ts;
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gettimeofday(&ts,0);
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return ((ts.tv_sec * 1000000) + ts.tv_usec);
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}
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static void start_timer(){
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prev_uticks = get_uticks();
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}
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static void print_timing( const char *msg ){
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#define MS_DELTA (1000.0)
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#define SS_DELTA (MS_DELTA * 1000.0)
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#define MM_DELTA (SS_DELTA * 60.0)
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#define HH_DELTA (MM_DELTA * 60.0)
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double ticks = get_uticks() - prev_uticks;
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if( ticks < MS_DELTA ){
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printf( "%s\t : %lf us\n", msg, ticks );
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}
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else if( ticks < SS_DELTA ){
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printf( "%s\t : %lf ms\n", msg, ticks / MS_DELTA );
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}
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else if( ticks < MM_DELTA ){
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printf( "%s\t : %lf s\n", msg, ticks / SS_DELTA );
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}
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else if( ticks < HH_DELTA ){
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printf( "%s\t : %lf m\n", msg, ticks / MM_DELTA );
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}
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else{
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printf( "%s\t : %lf h\n", msg, ticks / HH_DELTA );
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}
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start_timer();
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}
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#define VECTORS 10
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#define INPUTS 20
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#define OUT_ROWS 10
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#define OUT_COLS 10
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#define TRAIN_STEPS 30
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int
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main ( int argc, char *argv[] )
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{
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size_t i, j, x, y;
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double step = 0.0;
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double **data = NULL;
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som_network_t *net = NULL;
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data = (double **) alloca ( INPUTS * sizeof ( double* ));
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for ( i=0, step = 0.0; i < INPUTS; ++i, step += 0.1 )
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{
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data[i] = (double *) alloca ( VECTORS * sizeof ( double ));
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for ( j=0; j < VECTORS; ++j )
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{
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data[i][j] = step;
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}
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}
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start_timer();
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net = som_network_new ( INPUTS, OUT_ROWS, OUT_COLS );
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if ( !net )
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{
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printf( "ERROR: som_network_new failed.\n" );
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return 1;
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}
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print_timing( "Network Creation" );
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som_init_weights ( net, data, INPUTS );
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som_train ( net, data, VECTORS, TRAIN_STEPS );
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print_timing( "Network Training" );
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for ( i=0; i < INPUTS; ++i )
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{
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som_set_inputs ( net, data[i] );
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som_get_best_neuron_coordinates ( net, &x, &y );
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// printf ( "best coordinates [%u]: %u,%u\n", i, x, y );
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}
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print_timing( "Input Recognition" );
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som_network_destroy ( net );
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print_timing( "Network Destruction" );
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}
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