Mercurial > hg > audiodb
view UNIT_TEST_LSH.cpp @ 369:6564be3109c5 gcc-4.3-cleanups
gcc-4.3 warning cleanups for lshlib.cpp
(I do not believe that any of these changes contain significant
copyrightable "intellectual property". However, to the extent that they
do, the changes are hereby released into the Public Domain, and may be
therefore be used by anyone for any purpose without need for
consideration of any kind.)
author | mas01cr |
---|---|
date | Wed, 12 Nov 2008 15:23:32 +0000 |
parents | 071a108580a4 |
children |
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// UNIT_TEST_LSH.cpp #include <vector> #include "lshlib.h" #include "reporter.h" #define LSH_IN_CORE #define N_POINT_BITS 14 #define POINT_BIT_MASK 0x00003FFF // Callback method for LSH point retrieval void add_point(void* reporter, Uns32T pointID, Uns32T qpos, float dist) { ReporterBase* pr = (ReporterBase*)reporter; pr->add_point(pointID>>N_POINT_BITS, qpos, pointID&POINT_BIT_MASK, dist); } int main(int argc, char* argv[]){ int nT = 100; // num tracks int nP = 1000; // num points-per-track float w = 4.0;// LSH bucket width int k = 10; int m = 2; int d = 10; int N = 100000; int C = 200; float radius = 0.001; char FILENAME[] = "foo.lsh"; assert(nP>=nT); int fid = open(FILENAME,O_RDONLY); LSH* lsh; bool serialized = false; Uns32T trackBase = 0; if(fid< 0){ // Make a new serial LSH file lsh = new LSH(w,k,m,d,N,C,radius); assert(lsh); cout << "NEW LSH:" << endl; } else{ close(fid); // Load LSH structures from disk lsh = new LSH(FILENAME); assert(lsh); cout << "MERGE WITH EXISTING LSH:" << FILENAME << endl; serialized=true; trackBase = (lsh->get_maxp()>>N_POINT_BITS)+1; // Our encoding of tracks and points } cout << "k:" << lsh->get_numFuns() << " "; cout << "L:" << lsh->get_numTables() << " "; cout << "d:" << lsh->get_dataDim() << " "; cout << "N:" << lsh->get_numRows() << " "; cout << "C:" << lsh->get_numCols() << " "; cout << "R:" << lsh->get_radius() << " "; cout << "p:" << lsh->get_maxp() << endl; cout.flush(); cout << endl << "Constructing " << nT << " tracks with " << nP << " vectors of dimension " << d << endl; cout.flush(); // Construct sets of database vectors, use one point from each set for testing vector< vector<float> > vv = vector< vector<float> >(nP); // track vectors vector< vector<float> > qq = vector< vector<float> >(nP);// query vectors for(int i=0; i< nP ; i++){ vv[i]=vector<float>(d); // allocate vector qq[i]=vector<float>(d); // allocate vector } for(int k = 0 ; k < nT ; k ++){ cout << "[" << k << "]"; cout.flush(); for(int i = 0 ; i< nP ; i++) for(int j=0; j< d ; j++) vv[i][j] = genrand_real2() / radius; // MT_19937 random numbers lsh->insert_point_set(vv, (trackBase+k)<<N_POINT_BITS); qq[k] = vv[k]; // One identity query per set of database vectors } cout << endl; cout.flush(); cout << "Writing serialized LSH tables..." << endl; // TEST SERIALIZED LSH RETRIEVAL lsh->serialize(FILENAME); // TEST LSH RETRIEVAL IN CORE printf("\n********** In-core LSH retrieval from %d track%c **********\n", (lsh->get_maxp()>>N_POINT_BITS)+1,(lsh->get_maxp()>>N_POINT_BITS)>0?'s':' '); fflush(stdout); for(int i = 0; i < nT ; i++ ){ trackSequenceQueryRadNNReporter* pr = new trackSequenceQueryRadNNReporter(nP,nT,(lsh->get_maxp()>>N_POINT_BITS)+1); lsh->retrieve_point(qq[i], i, &add_point, (void*)pr); // LSH point retrieval from core printf("query vector %d] t1:%u t2:%0X\n", i, lsh->get_t1(), lsh->get_t2()); fflush(stdout); pr->report(0,0); delete pr; } delete lsh; cout << "Loading Serialized LSH functions from disk ..." << endl; cout.flush(); lsh = new LSH(FILENAME); assert(lsh); // lsh->serial_dump_tables(FILENAME); printf("\n********** Serialized LSH retrieval from %d track%c **********\n", (lsh->get_maxp()>>N_POINT_BITS)+1,(lsh->get_maxp()>>N_POINT_BITS)>1?'s':' '); fflush(stdout); for(int i= 0; i < nT ; i++ ){ trackSequenceQueryRadNNReporter* pr = new trackSequenceQueryRadNNReporter(nP,nT,(lsh->get_maxp()>>N_POINT_BITS)+1); lsh->serial_retrieve_point(FILENAME, qq[i], i, &add_point, (void*) pr); // LSH serialized point retrieval method printf("query vector %d] t1:%u t2:%0X\n", i, lsh->get_t1(), lsh->get_t2()); fflush(stdout); pr->report(0,0); delete pr; } delete lsh; #ifdef LSH_IN_CORE cout << "Loading Serialized LSH functions and tables from disk ..." << endl; cout.flush(); // Unserialize entire lsh tree to core lsh = new LSH(FILENAME,1); // TEST UNSERIALIZED LSH RETRIEVAL IN CORE printf("\n********** Unserialized LSH in-core retrieval from %d track%c **********\n", (lsh->get_maxp()>>N_POINT_BITS)+1,(lsh->get_maxp()>>N_POINT_BITS)>1?'s':' '); fflush(stdout); for(int i = 0; i < nT ; i++ ){ trackSequenceQueryRadNNReporter* pr = new trackSequenceQueryRadNNReporter(nP,nT,(lsh->get_maxp()>>N_POINT_BITS)+1); lsh->retrieve_point(qq[i], i, &add_point, (void*) pr); // LSH point retrieval from core printf("query vector %d] t1:%u t2:%0X\n", i, lsh->get_t1(), lsh->get_t2()); fflush(stdout); pr->report(0,0); delete pr; } delete lsh; #endif }