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<title>EO: test_compile.cpp Source File</title>
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<a class="el" href="dir_000007.html">contrib</a> / <a class="el" href="dir_000008.html">mathsym</a> / <a class="el" href="dir_000029.html">test</a></div>
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<h1>test_compile.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* </span>
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00002 <span class="comment"> * Copyright (C) 2005 Maarten Keijzer</span>
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00003 <span class="comment"> *</span>
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00004 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
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00005 <span class="comment"> * it under the terms of version 2 of the GNU General Public License as </span>
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00006 <span class="comment"> * published by the Free Software Foundation. </span>
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00007 <span class="comment"> *</span>
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00008 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
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00009 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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00010 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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00011 <span class="comment"> * GNU General Public License for more details.</span>
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00012 <span class="comment"> *</span>
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00013 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
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00014 <span class="comment"> * along with this program; if not, write to the Free Software</span>
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00015 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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00016 <span class="comment"> */</span>
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00017
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00018 <span class="preprocessor">#include <utils/eoRNG.h></span>
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00019
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00020 <span class="preprocessor">#include <FunDef.h></span>
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00021 <span class="preprocessor">#include <sym_compile.h></span>
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00022
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00023 <span class="preprocessor">#include <Dataset.h></span>
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00024 <span class="preprocessor">#include <ErrorMeasure.h></span>
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00025 <span class="preprocessor">#include <LanguageTable.h></span>
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00026 <span class="preprocessor">#include <BoundsCheck.h></span>
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00027 <span class="preprocessor">#include <TreeBuilder.h></span>
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00028
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00029 <span class="preprocessor">#include <iostream></span>
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00030
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00031 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
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00032
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00033 <span class="keywordtype">void</span> test_xover();
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00034
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00035 <span class="keywordtype">int</span> main() {
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00036 Dataset dataset;
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00037 dataset.load_data(<span class="stringliteral">"test_data.txt"</span>);
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00038
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00039 cout << <span class="stringliteral">"Records/Fields "</span> << dataset.n_records() << <span class="charliteral">' '</span> << dataset.n_fields() << endl;
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00040
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00041 LanguageTable table;
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00042 table.add_function(sum_token, 2);
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00043 table.add_function(prod_token, 2);
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00044 table.add_function(sum_token, 0);
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00045 table.add_function(prod_token, 0);
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00046 table.add_function(inv_token, 1);
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00047 table.add_function(min_token, 1);
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00048
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00049 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < dataset.n_fields(); ++i) {
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00050 table.add_function( SymVar(i).token(), 0);
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00051 }
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00052
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00053 TreeBuilder builder(table);
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00054
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00055 IntervalBoundsCheck bounds(dataset.input_minima(), dataset.input_maxima() );
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00056 ErrorMeasure measure(dataset, 1.0);
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00057
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00058
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00059 <span class="keywordtype">unsigned</span> n = 1000;
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00060 <span class="keywordtype">unsigned</span> k = 0;
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00061
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00062 vector<Sym> pop;
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00063 <span class="keywordtype">double</span> sumsize = 0;
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00064 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < n; ++i) {
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00065
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00066 Sym sym = builder.build_tree(6, i%2);
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00067 pop.push_back(sym);
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00068 sumsize += sym.size();
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00069 }
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00070
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00071 cout << <span class="stringliteral">"Size "</span> << sumsize/pop.size() << endl;
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00072
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00073 <span class="comment">// shuffle</span>
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00074 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> gen = 0; gen < 10; ++gen) {
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00075 random_shuffle(pop.begin(), pop.end());
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00076 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < pop.size(); i+=2) {
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00077
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00078 <span class="keywordtype">unsigned</span> p1 = rng.<a class="code" href="classeo_rng.html#a5">random</a>(pop[i].size());
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00079 <span class="keywordtype">unsigned</span> p2 = rng.<a class="code" href="classeo_rng.html#a5">random</a>(pop[i+1].size());
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00080
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00081 Sym a = insert_subtree(pop[i], p1, get_subtree(pop[i+1], p2));
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00082 Sym b = insert_subtree(pop[i+1], p2, get_subtree(pop[i], p1));
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00083
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00084 pop[i] = a;
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00085 pop[i+1] = b;
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00086
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00087 }
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00088 cout << gen << <span class="charliteral">' '</span> << Sym::get_dag().size() << endl;
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00089 }
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00090
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00091 vector<Sym> oldpop;
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00092 swap(pop,oldpop);
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00093 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < oldpop.size(); ++i) {
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00094 Sym sym = oldpop[i];
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00095 <span class="keywordflow">if</span> (!bounds.in_bounds(sym)) {
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00096 k++;
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00097 <span class="keywordflow">continue</span>;
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00098 }
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00099 pop.push_back(sym);
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00100 }
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00101
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00102 cout << <span class="stringliteral">"Done"</span> << endl;
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00103
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00104 <span class="comment">// full compilation</span>
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00105
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00106 time_t start_time = time(0);
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00107 time_t compile_time;
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00108 {
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00109 multi_function f = compile(pop);
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00110 compile_time = time(0);
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00111 vector<double> out(pop.size());
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00112
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00113 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < dataset.n_records(); ++j) {
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00114 f(&dataset.get_inputs(j)[0], &out[0]);
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00115 }
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00116 }
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00117
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00118 time_t end_time = time(0);
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00119
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00120 cout << <span class="stringliteral">"Evaluated "</span> << n-k << <span class="stringliteral">" syms in "</span> << end_time - start_time << <span class="stringliteral">" seconds, compile took "</span> << compile_time - start_time << <span class="stringliteral">" seconds"</span> << endl;
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00121
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00122 start_time = time(0);
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00123 vector<single_function> funcs;
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00124 compile(pop, funcs);
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00125 compile_time = time(0);
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00126 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < pop.size(); ++i) {
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00127
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00128 single_function f = funcs[i];
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00129 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < dataset.n_records(); ++j) {
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00130 f(&dataset.get_inputs(j)[0]);
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00131 }
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00132
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00133 }
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00134
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00135 end_time = time(0);
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00136
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00137 cout << <span class="stringliteral">"Evaluated "</span> << n-k << <span class="stringliteral">" syms in "</span> << end_time - start_time << <span class="stringliteral">" seconds, compile took "</span> << compile_time - start_time << <span class="stringliteral">" seconds"</span> << endl;
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00138 <span class="keywordflow">return</span> 0; <span class="comment">// skip the 'slow' one-by-one method</span>
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00139 start_time = time(0);
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00140 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < pop.size(); ++i) {
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00141
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00142 single_function f = compile(pop[i]);
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00143 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < dataset.n_records(); ++j) {
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00144 f(&dataset.get_inputs(j)[0]);
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00145 }
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00146
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00147 }
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00148
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00149 end_time = time(0);
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00150
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00151 cout << <span class="stringliteral">"Evaluated "</span> << n-k << <span class="stringliteral">" syms in "</span> << end_time - start_time << <span class="stringliteral">" seconds"</span> << endl;
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00152
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00153 }
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00154
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00155 <span class="keywordtype">void</span> test_xover() {
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00156 Sym c = SymVar(0);
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00157 Sym x = c + c * c + c;
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00158
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00159 cout << c << endl;
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00160 cout << x << endl;
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00161
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00162 vector<Sym> pop;
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00163 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < x.size(); ++i) {
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00164 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> j = 0; j < x.size(); ++j) {
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00165
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00166 Sym s = insert_subtree(x, i, get_subtree(x, j));
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00167 pop.push_back(s);
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00168 cout << i << <span class="charliteral">' '</span> << j << <span class="charliteral">' '</span> << s << endl;
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00169 }
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00170 }
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00171
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00172 x = Sym();
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00173 c = Sym();
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00174
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00175 SymMap& dag = Sym::get_dag();
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00176
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00177 <span class="keywordflow">for</span> (SymMap::iterator it = dag.begin(); it != dag.end(); ++it) {
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00178 Sym s(it);
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00179 cout << s << <span class="charliteral">' '</span> << s.refcount() << endl;
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00180 }
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00181
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00182
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00183
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00184 }
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00185
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:44 2006 for EO by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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