mirror of
https://github.com/gigablast/open-source-search-engine.git
synced 2024-10-04 20:27:43 +03:00
110 lines
2.4 KiB
C++
110 lines
2.4 KiB
C++
#include "gb-include.h"
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#include "RdbList.h"
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#include "Mem.h"
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void test0 ( int arg ) ;
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bool mainShutdown ( bool urgent ) { return true; }
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int main ( int argc , char *argv[] ) {
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if ( argc != 2 ) {
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fprintf(stderr,"mergetest: minRecSizes\n");
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return -1;
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}
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test0 ( atoi ( argv[1] ) );
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}
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#include "IndexTable.h"
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void test0 ( int arg ) {
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IndexList lists[MAX_TIERS][MAX_QUERY_TERMS];
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key_t startKey;
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key_t endKey;
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startKey.n1 = 0;
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startKey.n0 = 0LL;
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endKey.n1 = 0xffffffff;
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endKey.n0 = 0xffffffffffffffffLL;
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g_mem.init ( 1024*1024*3);
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char *qs = "ab bc cd de ef";
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Query q;
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q.set ( qs , gbstrlen(qs) , NULL , 0 , false );
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long numLists = q.getNumTerms();
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// how many keys per list?
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long nk = 100000;
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printf("intersecting %li keys total from %li lists\n",
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nk*numLists , numLists );
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for ( long i = 0 ; i < numLists ; i++ ) {
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printf("loading list #%li\n",i);
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RdbList *list = &lists[0][i];
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// make a list of compressed (6 byte) docIds
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key_t *keys = (key_t *) malloc ( 12 + 6 * nk );
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// point to keys
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char *kp = (char *)keys;
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// store radnom docIds in this list
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char *p = kp;
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// value
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long long value = 0LL;
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// first key is 12 bytes
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key_t firstKey;
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firstKey.n0 = 1LL;
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firstKey.n1 = 0;
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memcpy ( p , &firstKey , 12 );
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p += 12;
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// random docIds
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for ( long i = 0 ; i < nk ; i++ ) {
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long toAdd = rand() % 65536 + 2;
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value += toAdd;
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*(char *)&value |= 0x03;
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memcpy ( p , &value , 6 );
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p += 6;
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}
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// sort em up
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//gbsort ( keys , nk , sizeof(key_t) , cmp );
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// set the list
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long listSize = p - (char *)keys;
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list->set ( kp ,
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listSize ,
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kp ,
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listSize ,
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startKey ,
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endKey ,
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0 , // fixedDataSize
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true , // own data?
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true );// use half keys?
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}
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IndexTable table;
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table.init ( &q , false , NULL );
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table.prepareToAddLists();
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printf("beginning intersection\n");
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long long startTime = gettimeofdayInMilliseconds();
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table.addLists_r ( lists ,
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1 , // num tiers
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numLists , // lists per tier
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15 );// docs wanted
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long long now = gettimeofdayInMilliseconds();
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printf("intersection took %llu ms\n" , now - startTime );
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log("addLists_r: took %lli ms docids=%lu "
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"panics=%li chains=%li ptrs=%li loops=%li.",
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table.m_addListsTime ,
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table.m_totalDocIds ,
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table.m_numPanics ,
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table.m_numCollisions ,
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table.m_numPtrs ,
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table.m_numLoops );
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}
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