Small fixes
authornvalimak <nvalimak@3cdefd35-fc62-479d-8e8d-bae585ffb9ca>
Mon, 20 Apr 2009 11:27:42 +0000 (11:27 +0000)
committernvalimak <nvalimak@3cdefd35-fc62-479d-8e8d-bae585ffb9ca>
Mon, 20 Apr 2009 11:27:42 +0000 (11:27 +0000)
git-svn-id: svn+ssh://idea.nguyen.vg/svn/sxsi/trunk/TextCollection@333 3cdefd35-fc62-479d-8e8d-bae585ffb9ca

TCImplementation.cpp
TCImplementation.h

index 1e0b2b8..211849e 100644 (file)
@@ -19,7 +19,9 @@
  *****************************************************************************/
 #include "TCImplementation.h"
 
-//#include "HeapProfiler.h" // FIXME remove
+#ifdef DEBUG_MEMUSAGE
+#include "HeapProfiler.h" // FIXME remove
+#endif
 
 #include <iostream>
 #include <map>
@@ -409,14 +411,13 @@ TextCollection::document_result TCImplementation::Suffix(uchar const * pattern)
     TextCollection::document_result result;
     result.reserve(ep-sp+1); // Try to avoid reallocation.
 
-    ulong sampled_rank_i = 0;
     // Check each occurrence
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
 
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1;
             c = alphabetrank->access(i);
@@ -431,7 +432,7 @@ TextCollection::document_result TCImplementation::Suffix(uchar const * pattern)
         }
         else // Sampled position
         {
-            DocId docId = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
+            DocId docId = (*suffixDocId)[sampled->rank1(i)-1];
             result.push_back(docId);
         }
     }
@@ -452,14 +453,13 @@ TextCollection::document_result TCImplementation::Suffix(uchar const * pattern,
     TextCollection::document_result result;
     result.reserve(ep-sp+1); // Try to avoid reallocation.
 
-    ulong sampled_rank_i = 0;
     // Check each occurrence, already within [begin, end]
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
 
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1;
             c = alphabetrank->access(i);
@@ -474,7 +474,7 @@ TextCollection::document_result TCImplementation::Suffix(uchar const * pattern,
         }
         else // Sampled position
         {
-            DocId docId = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
+            DocId docId = (*suffixDocId)[sampled->rank1(i)-1];
             result.push_back(docId);
         }
     }
@@ -525,13 +525,12 @@ TextCollection::document_result TCImplementation::Contains(uchar const * pattern
     // We want unique document indentifiers, using std::set to collect them
     std::set<DocId> resultSet;
 
-    ulong sampled_rank_i = 0;
     // Check each occurrence
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1; // LF-mapping
             c = alphabetrank->access(i);
@@ -544,7 +543,7 @@ TextCollection::document_result TCImplementation::Contains(uchar const * pattern
         }
         else
         {
-            DocId di = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
+            DocId di = (*suffixDocId)[sampled->rank1(i)-1];
             assert((unsigned)di < numberOfTexts);
             resultSet.insert(di);
         }
@@ -568,13 +567,12 @@ TextCollection::document_result TCImplementation::Contains(uchar const * pattern
     // We want unique document indentifiers, using std::set to collect them
     std::set<DocId> resultSet;
 
-    ulong sampled_rank_i = 0;
     // Check each occurrence
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1; // LF-mapping
             c = alphabetrank->access(i);
@@ -589,7 +587,7 @@ TextCollection::document_result TCImplementation::Contains(uchar const * pattern
         }
         else
         {
-            DocId docId = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
+            DocId docId = (*suffixDocId)[sampled->rank1(i)-1];
             assert((unsigned)docId < numberOfTexts);
             if (docId >= begin && docId <= end)
                 resultSet.insert(docId);
@@ -643,14 +641,13 @@ TextCollection::full_result TCImplementation::FullContains(uchar const * pattern
     full_result result;
     result.reserve(ep-sp+1); // Try to avoid reallocation.
 
-    ulong sampled_rank_i = 0;    
     // Report each occurrence
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
         TextPosition dist = 0;
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1;
             c = alphabetrank->access(i);
@@ -665,9 +662,8 @@ TextCollection::full_result TCImplementation::FullContains(uchar const * pattern
         }
         else
         {
-            TextPosition textPos = (*suffixes)[sampled_rank_i-1]+dist; //sampled->rank(i)-1] + dist;
-            DocId docId = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
-//            textPos = textPos - (*textStartPos)[docId]; // Offset inside the text
+            TextPosition textPos = (*suffixes)[sampled->rank1(i)-1] + dist;
+            DocId docId = (*suffixDocId)[sampled->rank1(i)-1];
 
             result.push_back(make_pair(docId, textPos));
         }
@@ -689,14 +685,13 @@ TextCollection::full_result TCImplementation::FullContains(uchar const * pattern
     full_result result;
     result.reserve(ep-sp+1); // Try to avoid reallocation.
 
-    ulong sampled_rank_i = 0;    
     // Report each occurrence
     for (; sp <= ep; ++sp)
     {
         TextPosition i = sp;
         TextPosition dist = 0;
         uchar c = alphabetrank->access(i);
-        while (c != '\0' && !sampled->IsBitSet(i, &sampled_rank_i))
+        while (c != '\0' && !sampled->access(i))
         {
             i = C[c]+alphabetrank->rank(c,i)-1;
             c = alphabetrank->access(i);
@@ -714,9 +709,8 @@ TextCollection::full_result TCImplementation::FullContains(uchar const * pattern
         }
         else
         {
-            TextPosition textPos = (*suffixes)[sampled_rank_i-1]+dist; //sampled->rank(i)-1] + dist;
-            DocId docId = (*suffixDocId)[sampled_rank_i-1]; //sampled->rank(i)-1];
-//            textPos = textPos - (*textStartPos)[docId]; // Offset inside the text
+            TextPosition textPos = (*suffixes)[sampled->rank1(i)-1] + dist;
+            DocId docId = (*suffixDocId)[sampled->rank1(i)-1];
 
             if (docId >= begin && docId <= end)
                 result.push_back(make_pair(docId, textPos));
@@ -765,7 +759,7 @@ void TCImplementation::Save(FILE *file) const
         throw std::runtime_error("TCImplementation::Save(): file write error (bwt end position).");
     
     alphabetrank->save(file);
-    sampled->Save(file);
+    sampled->save(file);
     suffixes->Save(file);
     suffixDocId->Save(file);
     
@@ -811,7 +805,7 @@ TCImplementation::TCImplementation(FILE *file, unsigned samplerate_)
         throw std::runtime_error("TCImplementation::Load(): file read error (bwt end position).");
 
     alphabetrank = static_sequence::load(file);
-    sampled = new BSGAP(file);
+    sampled = static_bitsequence::load(file);
     suffixes = new BlockArray(file);
     suffixDocId = new BlockArray(file);
 
@@ -940,8 +934,10 @@ void TCImplementation::makewavelet(uchar *bwt)
     //alphabetrank = new RLWaveletTree(bwt, n); // Deletes bwt!
 //  std::cerr << "heap usage: " << HeapProfiler::GetHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
 
-//    std::cerr << "max heap usage before WT: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
-//    HeapProfiler::ResetMaxHeapConsumption(); // FIXME remove
+#ifdef DEBUG_MEMUSAGE
+    std::cerr << "max heap usage before WT: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+    HeapProfiler::ResetMaxHeapConsumption(); // FIXME remove
+#endif
 
     alphabet_mapper * am = new alphabet_mapper_none();
     static_bitsequence_builder * bmb = new static_bitsequence_builder_rrr02(8); // FIXME samplerate?
@@ -950,8 +946,10 @@ void TCImplementation::makewavelet(uchar *bwt)
     delete bmb;
     bwt = 0; // already deleted
    
-//    std::cerr << "heap usage after WT: " << HeapProfiler::GetHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
-//    std::cerr << "max heap usage after WT: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+#ifdef DEBUG_MEMUSAGE
+    std::cerr << "heap usage after WT: " << HeapProfiler::GetHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+    std::cerr << "max heap usage after WT: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+#endif
 }
 
 void TCImplementation::maketables()
@@ -984,9 +982,9 @@ void TCImplementation::maketables()
     // Mapping from end-markers to doc ID's:
     BlockArray *endmarkerDocId = new BlockArray(numberOfTexts, Tools::CeilLog2(numberOfTexts));
   
-    ulong *sampledpositions = new ulong[n/W+1];
-    for (ulong i=0;i<n/W+1;i++)
-        sampledpositions[i]=0lu;
+    uint *sampledpositions = new uint[n/(sizeof(uint)*8)+1];
+    for (ulong i = 0; i < n / (sizeof(uint)*8) + 1; i++)
+        sampledpositions[i] = 0;
     
     ulong x,p=bwtEndPos;
     ulong sampleCount = 0;
@@ -1002,7 +1000,7 @@ void TCImplementation::maketables()
         x=(i==n-1)?0:i+1;
 
         if (x % samplerate == 0 && posOfSuccEndmarker - x > samplerate) {
-            Tools::SetField(sampledpositions,1,p,1);
+            set_field(sampledpositions,1,p,1);
             (*positions)[sampleCount] = p; 
             (*tmpSuffix)[sampleCount] = x; // FIXME remove
             sampleCount ++;
@@ -1032,8 +1030,9 @@ void TCImplementation::maketables()
     }
     assert(textId == 0);
     
-    sampled = new BSGAP(sampledpositions,n,true);
-    sampleLength = sampled->rank(n-1);
+    sampled = new static_bitsequence_rrr02(sampledpositions, n, 16);
+    delete [] sampledpositions;
+    sampleLength = sampled->rank1(n-1);
     assert(sampleCount == sampleLength);
 
     // Suffixes store an offset from the text start position
@@ -1042,7 +1041,8 @@ void TCImplementation::maketables()
 
     for(ulong i=0; i<sampleLength; i++) {
         assert((*positions)[i] < n);
-        ulong j = sampled->rank((*positions)[i]);
+        ulong j = sampled->rank1((*positions)[i]);
+
         if (j==0) j=sampleLength;
         TextPosition textPos = (*tmpSuffix)[i];
         (*suffixDocId)[j-1] = DocIdAtTextPos(textStartPos, textPos);
@@ -1057,8 +1057,10 @@ void TCImplementation::maketables()
     delete positions;
     delete textStartPos;
 
-    //  std::cerr << "heap usage before Doc: " << HeapProfiler::GetHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
-
+#ifdef DEBUG_MEMUSAGE
+    std::cerr << "max heap usage before Doc: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+    HeapProfiler::ResetMaxHeapConsumption();
+#endif
 
     uint *tmp = new uint[numberOfTexts]; // FIXME Silly...
     for (unsigned i = 0; i < numberOfTexts; ++i)
@@ -1073,9 +1075,11 @@ void TCImplementation::maketables()
     static_bitsequence_builder * bmb = new static_bitsequence_builder_brw32(16); // FIXME samplerate?
     Doc = new static_sequence_wvtree_noptrs(tmp, numberOfTexts, bmb, am);
     delete bmb;
-    delete [] tmp;
+    //  delete [] tmp; // already deleted!
 
-//    std::cerr << "heap usage after Doc: " << HeapProfiler::GetHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+#ifdef DEBUG_MEMUSAGE
+    std::cerr << "max heap usage after Doc: " << HeapProfiler::GetMaxHeapConsumption()/(1024*1024) << " Mbytes" << std::endl;
+#endif
 
     /*document_result res = Doc->access(3, 3, 0, 3);
     cout << "Access result: ";
index 0f0cab4..5430f21 100644 (file)
@@ -23,7 +23,6 @@
 #include "BitRank.h"
 #include "TextCollection.h"
 #include "BlockArray.h"
-#include "BSGAP.h"
 
 // Include  from XMLTree/libcds
 #include <basics.h> // Defines W == 32
@@ -118,7 +117,7 @@ private:
     static_sequence * alphabetrank;
 
     // Sample structures for texts longer than samplerate
-    BSGAP *sampled;  // FIXME Replace with RRR02
+    static_bitsequence * sampled;  // FIXME Replace with RRR02
     BlockArray *suffixes;
     BlockArray *suffixDocId;