Added support to transfer haplotypes once per region to the JNI

Re-use transferred haplotypes (stored in GlobalRef) across calls to
computeLikelihoods

PairHMM_JNI/LoadTimeInitializer.cc

@@ -0,0 +1,76 @@
+#include "LoadTimeInitializer.h"
+#include "utils.h"
+using namespace std;
+
+LoadTimeInitializer g_load_time_initializer;
+
+LoadTimeInitializer::LoadTimeInitializer()		//will be called when library is loaded
+{
+  ConvertChar::init();
+  m_sumNumReads = 0;
+  m_sumSquareNumReads = 0;
+  m_sumNumHaplotypes = 0;
+  m_sumSquareNumHaplotypes = 0;
+  m_sumNumTestcases = 0;
+  m_sumSquareNumTestcases = 0;
+  m_maxNumTestcases = 0;
+  m_num_invocations = 0;
+  m_compute_time = 0;
+  m_data_transfer_time = 0;
+
+  m_filename_to_fptr.clear();
+
+  initialize_function_pointers();
+  cout.flush();
+}
+
+void LoadTimeInitializer::print_profiling()
+{
+  double mean_val;
+  cout << "Compute time "<<m_compute_time<<"\n";
+  cout << "Data initialization time "<<m_data_transfer_time<<"\n";
+  cout <<"Invocations : "<<m_num_invocations<<"\n";
+  cout << "term\tsum\tsumSq\tmean\tvar\tmax\n";
+  mean_val = m_sumNumReads/m_num_invocations;
+  cout << "reads\t"<<m_sumNumReads<<"\t"<<m_sumSquareNumReads<<"\t"<<mean_val<<"\t"<<
+    (m_sumSquareNumReads/m_num_invocations)-mean_val*mean_val<<"\n";
+  mean_val = m_sumNumHaplotypes/m_num_invocations;
+  cout << "haplotypes\t"<<m_sumNumHaplotypes<<"\t"<<m_sumSquareNumHaplotypes<<"\t"<<mean_val<<"\t"<<
+    (m_sumSquareNumHaplotypes/m_num_invocations)-mean_val*mean_val<<"\n";
+  mean_val = m_sumNumTestcases/m_num_invocations;
+  cout << "numtestcases\t"<<m_sumNumTestcases<<"\t"<<m_sumSquareNumTestcases<<"\t"<<mean_val<<"\t"<<
+    (m_sumSquareNumTestcases/m_num_invocations)-mean_val*mean_val<<"\t"<<m_maxNumTestcases<<"\n";
+  cout.flush();
+}
+
+void LoadTimeInitializer::debug_dump(string filename, string s, bool to_append, bool add_newline)
+{
+  map<string, ofstream*>::iterator mI = m_filename_to_fptr.find(filename);
+  ofstream* fptr = 0;
+  if(mI == m_filename_to_fptr.end())
+  {
+    m_filename_to_fptr[filename] = new ofstream();
+    fptr = m_filename_to_fptr[filename];
+    fptr->open(filename.c_str(), to_append ? ios::app : ios::out);
+    assert(fptr->is_open());
+  }
+  else
+    fptr = (*mI).second;
+  //ofstream fptr;
+  //fptr.open(filename.c_str(), to_append ? ofstream::app : ofstream::out);
+  (*fptr) << s;
+  if(add_newline)
+    (*fptr) << "\n";
+  //fptr.close();
+}
+void LoadTimeInitializer::debug_close()
+{
+  for(map<string,ofstream*>::iterator mB = m_filename_to_fptr.begin(), mE = m_filename_to_fptr.end();
+      mB != mE;mB++)
+  {
+    (*mB).second->close();
+    delete (*mB).second;
+  }
+  m_filename_to_fptr.clear();
+}
+

PairHMM_JNI/LoadTimeInitializer.h

@@ -0,0 +1,37 @@
+#ifndef LOAD_TIME_INITIALIZER_H
+#define LOAD_TIME_INITIALIZER_H
+#include "headers.h"
+#include <jni.h>
+class LoadTimeInitializer
+{
+  public:
+    LoadTimeInitializer();		//will be called when library is loaded
+    void print_profiling();
+    void debug_dump(std::string filename, std::string s, bool to_append, bool add_newline=true);
+    void debug_close();
+    
+    jfieldID m_readBasesFID;
+    jfieldID m_readQualsFID;
+    jfieldID m_insertionGOPFID;
+    jfieldID m_deletionGOPFID;
+    jfieldID m_overallGCPFID;
+    jfieldID m_haplotypeBasesFID;
+    //used to compute avg, variance of #testcases
+    double m_sumNumReads;
+    double m_sumSquareNumReads;
+    double m_sumNumHaplotypes;
+    double m_sumSquareNumHaplotypes;
+    double m_sumNumTestcases;
+    double m_sumSquareNumTestcases;
+    unsigned m_maxNumTestcases;
+    unsigned m_num_invocations;
+    //timing
+    double m_compute_time;
+    double m_data_transfer_time;
+  private:
+    std::map<std::string, std::ofstream*> m_filename_to_fptr;
+};
+extern LoadTimeInitializer g_load_time_initializer;
+
+
+#endif

PairHMM_JNI/Makefile

@@ -1,4 +1,5 @@
-#OMPCFLAGS=-fopenmp
+OMPCFLAGS=-fopenmp
+OMPLFLAGS=-fopenmp #-openmp-link static
 
 #CFLAGS=-O2 -std=c++11 -W -Wall -march=corei7-avx -Wa,-q            -pedantic $(OMPCFLAGS) -Wno-unknown-pragmas
 #CFLAGS=-O2             -W -Wall -march=corei7 -mfpmath=sse -msse4.2 -pedantic $(OMPCFLAGS) -Wno-unknown-pragmas
@@ -19,7 +20,7 @@ DEPDIR=.deps
 DF=$(DEPDIR)/$(*).d
 
 #Common across libJNI and sandbox
-COMMON_SOURCES=utils.cc avx_function_instantiations.cc baseline.cc sse_function_instantiations.cc
+COMMON_SOURCES=utils.cc avx_function_instantiations.cc baseline.cc sse_function_instantiations.cc LoadTimeInitializer.cc
 #Part of libJNI
 LIBSOURCES=org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM.cc $(COMMON_SOURCES)
 SOURCES=$(LIBSOURCES) pairhmm-template-main.cc pairhmm-1-base.cc
@@ -28,7 +29,7 @@ COMMON_OBJECTS=$(COMMON_SOURCES:.cc=.o)
 
 
 #No vectorization for these files
-NO_VECTOR_SOURCES=org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM.cc pairhmm-template-main.cc pairhmm-1-base.cc utils.cc baseline.cc
+NO_VECTOR_SOURCES=org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM.cc pairhmm-template-main.cc pairhmm-1-base.cc utils.cc baseline.cc LoadTimeInitializer.cc
 #Use -xAVX for these files
 AVX_SOURCES=avx_function_instantiations.cc
 #Use -xSSE4.2 for these files
@@ -47,13 +48,13 @@ all: $(BIN)
 -include $(addprefix $(DEPDIR)/,$(SOURCES:.cc=.d))
 
 checker: pairhmm-1-base.o $(COMMON_OBJECTS)
-	$(CXX) $(OMPCFLAGS) -o $@ $^ $(LDFLAGS)
+	$(CXX) $(OMPLFLAGS) -o $@ $^ $(LDFLAGS)
 
 pairhmm-template-main:	pairhmm-template-main.o $(COMMON_OBJECTS)
-	$(CXX) $(OMPCFLAGS) -o $@ $^ $(LDFLAGS)
+	$(CXX) $(OMPLFLAGS) -o $@ $^ $(LDFLAGS)
 
 libJNILoglessPairHMM.so: $(LIBOBJECTS) 
-	$(CXX) $(OMPCFLAGS) -shared -o $@ $(LIBOBJECTS) 
+	$(CXX) $(OMPLFLAGS) -shared -o $@ $(LIBOBJECTS) 
 
 
 $(OBJECTS): %.o: %.cc

PairHMM_JNI/org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM.cc

@@ -11,96 +11,10 @@
 
 #include "template.h"
 #include "utils.h"
+#include "LoadTimeInitializer.h"
 
 using namespace std;
 
-class LoadTimeInitializer
-{
-  public:
-    LoadTimeInitializer()		//will be called when library is loaded
-    {
-      ConvertChar::init();
-      m_sumNumReads = 0;
-      m_sumSquareNumReads = 0;
-      m_sumNumHaplotypes = 0;
-      m_sumSquareNumHaplotypes = 0;
-      m_sumNumTestcases = 0;
-      m_sumSquareNumTestcases = 0;
-      m_maxNumTestcases = 0;
-      m_num_invocations = 0;
-      m_filename_to_fptr.clear();
-
-      initialize_function_pointers();
-      cout.flush();
-    }
-    void print_profiling()
-    {
-      double mean_val;
-      cout <<"Invocations : "<<m_num_invocations<<"\n";
-      cout << "term\tsum\tsumSq\tmean\tvar\tmax\n";
-      mean_val = m_sumNumReads/m_num_invocations;
-      cout << "reads\t"<<m_sumNumReads<<"\t"<<m_sumSquareNumReads<<"\t"<<mean_val<<"\t"<<
-	(m_sumSquareNumReads/m_num_invocations)-mean_val*mean_val<<"\n";
-      mean_val = m_sumNumHaplotypes/m_num_invocations;
-      cout << "haplotypes\t"<<m_sumNumHaplotypes<<"\t"<<m_sumSquareNumHaplotypes<<"\t"<<mean_val<<"\t"<<
-	(m_sumSquareNumHaplotypes/m_num_invocations)-mean_val*mean_val<<"\n";
-      mean_val = m_sumNumTestcases/m_num_invocations;
-      cout << "numtestcases\t"<<m_sumNumTestcases<<"\t"<<m_sumSquareNumTestcases<<"\t"<<mean_val<<"\t"<<
-	(m_sumSquareNumTestcases/m_num_invocations)-mean_val*mean_val<<"\t"<<m_maxNumTestcases<<"\n";
-      cout.flush();
-    }
-
-    void debug_dump(string filename, string s, bool to_append, bool add_newline=true)
-    {
-      map<string, ofstream*>::iterator mI = m_filename_to_fptr.find(filename);
-      ofstream* fptr = 0;
-      if(mI == m_filename_to_fptr.end())
-      {
-	m_filename_to_fptr[filename] = new ofstream();
-	fptr = m_filename_to_fptr[filename];
-        fptr->open(filename.c_str(), to_append ? ios::app : ios::out);
-	assert(fptr->is_open());
-      }
-      else
-	fptr = (*mI).second;
-      //ofstream fptr;
-      //fptr.open(filename.c_str(), to_append ? ofstream::app : ofstream::out);
-      (*fptr) << s;
-      if(add_newline)
-	(*fptr) << "\n";
-      //fptr.close();
-    }
-    void debug_close()
-    {
-      for(map<string,ofstream*>::iterator mB = m_filename_to_fptr.begin(), mE = m_filename_to_fptr.end();
-	  mB != mE;mB++)
-      {
-	(*mB).second->close();
-	delete (*mB).second;
-      }
-      m_filename_to_fptr.clear();
-    }
-    jfieldID m_readBasesFID;
-    jfieldID m_readQualsFID;
-    jfieldID m_insertionGOPFID;
-    jfieldID m_deletionGOPFID;
-    jfieldID m_overallGCPFID;
-    jfieldID m_haplotypeBasesFID;
-    //used to compute avg, variance of #testcases
-    double m_sumNumReads;
-    double m_sumSquareNumReads;
-    double m_sumNumHaplotypes;
-    double m_sumSquareNumHaplotypes;
-    double m_sumNumTestcases;
-    double m_sumSquareNumTestcases;
-    unsigned m_maxNumTestcases;
-    unsigned m_num_invocations;
-  private:
-    map<string, ofstream*> m_filename_to_fptr;
-};
-LoadTimeInitializer g_load_time_initializer;
-
-
 JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializeProbabilities
 (JNIEnv* env, jclass thisObject,
  jobjectArray transition, jbyteArray insertionGOP, jbyteArray deletionGOP, jbyteArray overallGCP
@@ -128,7 +42,7 @@ Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializePrior
 //Gets direct access to Java arrays
 #define GET_BYTE_ARRAY_ELEMENTS env->GetPrimitiveArrayCritical
 #define RELEASE_BYTE_ARRAY_ELEMENTS env->ReleasePrimitiveArrayCritical
-#define JNI_RELEASE_MODE 0
+#define JNI_RO_RELEASE_MODE JNI_ABORT
 #define GET_DOUBLE_ARRAY_ELEMENTS env->GetPrimitiveArrayCritical
 #define RELEASE_DOUBLE_ARRAY_ELEMENTS env->ReleasePrimitiveArrayCritical
 
@@ -136,7 +50,7 @@ Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializePrior
 //Likely makes copy of Java arrays to JNI C++ space
 #define GET_BYTE_ARRAY_ELEMENTS env->GetByteArrayElements
 #define RELEASE_BYTE_ARRAY_ELEMENTS env->ReleaseByteArrayElements
-#define JNI_RELEASE_MODE JNI_ABORT
+#define JNI_RO_RELEASE_MODE JNI_ABORT
 #define GET_DOUBLE_ARRAY_ELEMENTS env->GetDoubleArrayElements
 #define RELEASE_DOUBLE_ARRAY_ELEMENTS env->ReleaseDoubleArrayElements
 
@@ -187,12 +101,12 @@ Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniSubComputeReadL
 #endif
 
 
-  RELEASE_BYTE_ARRAY_ELEMENTS(overallGCP, overallGCPArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(overallGCP, overallGCPArray, JNI_RO_RELEASE_MODE);
-  RELEASE_BYTE_ARRAY_ELEMENTS(deletionGOP, deletionGOPArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(deletionGOP, deletionGOPArray, JNI_RO_RELEASE_MODE);
-  RELEASE_BYTE_ARRAY_ELEMENTS(insertionGOP, insertionGOPArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(insertionGOP, insertionGOPArray, JNI_RO_RELEASE_MODE);
-  RELEASE_BYTE_ARRAY_ELEMENTS(readQuals, readQualsArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(readQuals, readQualsArray, JNI_RO_RELEASE_MODE);
-  RELEASE_BYTE_ARRAY_ELEMENTS(haplotypeBases, haplotypeBasesArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(haplotypeBases, haplotypeBasesArray, JNI_RO_RELEASE_MODE);
-  RELEASE_BYTE_ARRAY_ELEMENTS(readBases, readBasesArray, JNI_RELEASE_MODE);
+  RELEASE_BYTE_ARRAY_ELEMENTS(readBases, readBasesArray, JNI_RO_RELEASE_MODE);
 
   return 0.0;
 }
@@ -226,6 +140,46 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
   g_load_time_initializer.m_haplotypeBasesFID = fid;
 }
 
+//Since the list of haplotypes against which the reads are evaluated in PairHMM is the same for a region,
+//transfer the list only once
+vector<pair<jbyteArray, jbyte*> > g_haplotypeBasesArrayVector;
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializeHaplotypes
+  (JNIEnv * env, jobject thisObject, jint numHaplotypes, jobjectArray haplotypeDataArray)
+{
+  jboolean is_copy = JNI_FALSE;
+  //To ensure, GET_BYTE_ARRAY_ELEMENTS is invoked only once for each haplotype, store bytearrays in a vector
+  vector<pair<jbyteArray, jbyte*> >& haplotypeBasesArrayVector = g_haplotypeBasesArrayVector;
+  haplotypeBasesArrayVector.clear();
+  haplotypeBasesArrayVector.resize(numHaplotypes);
+  for(unsigned j=0;j<numHaplotypes;++j)
+  {
+    jobject haplotypeObject = env->GetObjectArrayElement(haplotypeDataArray, j);
+    jbyteArray haplotypeBases = (jbyteArray)env->GetObjectField(haplotypeObject, g_load_time_initializer.m_haplotypeBasesFID);
+#ifdef ENABLE_ASSERTIONS
+    assert(haplotypeBases && ("haplotypeBases is NULL at index : "+to_string(j)+"\n").c_str());
+#endif
+    //Need a global reference as this will be accessed across multiple JNI calls to JNIComputeLikelihoods()
+    jbyteArray haplotypeBasesGlobalRef = (jbyteArray)env->NewGlobalRef(haplotypeBases);
+#ifdef ENABLE_ASSERTIONS
+    assert(haplotypeBasesGlobalRef && ("Could not get global ref to haplotypeBases at index : "+to_string(j)+"\n").c_str());
+#endif
+    env->DeleteLocalRef(haplotypeBases);	//free the local reference
+    jbyte* haplotypeBasesArray = (jbyte*)GET_BYTE_ARRAY_ELEMENTS(haplotypeBasesGlobalRef, &is_copy);
+#ifdef ENABLE_ASSERTIONS
+    assert(haplotypeBasesArray && "haplotypeBasesArray not initialized in JNI"); 
+    assert(env->GetArrayLength(haplotypeBasesGlobalRef) < MCOLS);
+#endif
+#ifdef DEBUG0_1
+    cout << "JNI haplotype length "<<env->GetArrayLength(haplotypeBasesGlobalRef)<<"\n";
+#endif
+    haplotypeBasesArrayVector[j] = make_pair(haplotypeBasesGlobalRef, haplotypeBasesArray);
+#ifdef DEBUG3
+    for(unsigned k=0;k<env->GetArrayLength(haplotypeBases);++k)
+      g_load_time_initializer.debug_dump("haplotype_bases_jni.txt",to_string((int)haplotypeBasesArray[k]),true);
+#endif
+  }
+}
+
 //JNI function to invoke compute_full_prob_avx
 //readDataArray - array of JNIReadDataHolderClass objects which contain the readBases, readQuals etc
 //haplotypeDataArray - array of JNIHaplotypeDataHolderClass objects which contain the haplotypeBases
@@ -235,37 +189,16 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
   (JNIEnv* env, jobject thisObject, jint numReads, jint numHaplotypes, 
    jobjectArray readDataArray, jobjectArray haplotypeDataArray, jdoubleArray likelihoodArray, jint maxNumThreadsToUse)
 {
-  jboolean is_copy = JNI_FALSE;
-  //To ensure, GET_BYTE_ARRAY_ELEMENTS is invoked only once for each haplotype, store bytearrays in a vector
-  vector<pair<jbyteArray, jbyte*> > haplotypeBasesArrayVector;
-  haplotypeBasesArrayVector.clear();
-  haplotypeBasesArrayVector.resize(numHaplotypes);
 #ifdef DEBUG0_1
   cout << "JNI numReads "<<numReads<<" numHaplotypes "<<numHaplotypes<<"\n";
 #endif
-  for(unsigned j=0;j<numHaplotypes;++j)
+  double start_time = 0;
-  {
+  //haplotype vector from earlier store - note the reference to vector, not copying
-    jobject haplotypeObject = env->GetObjectArrayElement(haplotypeDataArray, j);
+  vector<pair<jbyteArray, jbyte*> >& haplotypeBasesArrayVector = g_haplotypeBasesArrayVector;
-    jbyteArray haplotypeBases = (jbyteArray)env->GetObjectField(haplotypeObject, g_load_time_initializer.m_haplotypeBasesFID);
+  jboolean is_copy = JNI_FALSE;
-#ifdef ENABLE_ASSERTIONS
-    assert(haplotypeBases && ("haplotypeBases is NULL at index : "+to_string(j)+"\n").c_str());
-#endif
-    jbyte* haplotypeBasesArray = (jbyte*)GET_BYTE_ARRAY_ELEMENTS(haplotypeBases, &is_copy);
-#ifdef ENABLE_ASSERTIONS
-    assert(haplotypeBasesArray && "haplotypeBasesArray not initialized in JNI"); 
-    assert(env->GetArrayLength(haplotypeBases) < MCOLS);
-#endif
-#ifdef DEBUG0_1
-    cout << "JNI haplotype length "<<env->GetArrayLength(haplotypeBases)<<"\n";
-#endif
-    haplotypeBasesArrayVector[j] = make_pair(haplotypeBases, haplotypeBasesArray);
-#ifdef DEBUG3
-    for(unsigned k=0;k<env->GetArrayLength(haplotypeBases);++k)
-      g_load_time_initializer.debug_dump("haplotype_bases_jni.txt",to_string((int)haplotypeBasesArray[k]),true);
-#endif
-  }
 
   unsigned numTestCases = numReads*numHaplotypes;
+  //vector to store results
   vector<testcase> tc_array;
   tc_array.clear();
   tc_array.resize(numTestCases);
@@ -274,6 +207,9 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
   vector<vector<pair<jbyteArray,jbyte*> > > readBasesArrayVector;
   readBasesArrayVector.clear();
   readBasesArrayVector.resize(numReads);
+#ifdef DO_PROFILING
+  start_time = getCurrClk();
+#endif
   for(unsigned i=0;i<numReads;++i)
   {
     //Get bytearray fields from read
@@ -340,25 +276,30 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
 	tc_array[tc_idx].d[k] = (int)deletionGOPArray[k];
 	tc_array[tc_idx].c[k] = (int)overallGCPArray[k];
       }
-
       ++tc_idx;  
     }
-    RELEASE_BYTE_ARRAY_ELEMENTS(overallGCP, overallGCPArray, JNI_RELEASE_MODE);	//order of GET-RELEASE is important
+    RELEASE_BYTE_ARRAY_ELEMENTS(overallGCP, overallGCPArray, JNI_RO_RELEASE_MODE);	//order of GET-RELEASE is important
-    RELEASE_BYTE_ARRAY_ELEMENTS(deletionGOP, deletionGOPArray, JNI_RELEASE_MODE);
+    RELEASE_BYTE_ARRAY_ELEMENTS(deletionGOP, deletionGOPArray, JNI_RO_RELEASE_MODE);
-    RELEASE_BYTE_ARRAY_ELEMENTS(insertionGOP, insertionGOPArray, JNI_RELEASE_MODE);
+    RELEASE_BYTE_ARRAY_ELEMENTS(insertionGOP, insertionGOPArray, JNI_RO_RELEASE_MODE);
-    RELEASE_BYTE_ARRAY_ELEMENTS(readQuals, readQualsArray, JNI_RELEASE_MODE);
+    RELEASE_BYTE_ARRAY_ELEMENTS(readQuals, readQualsArray, JNI_RO_RELEASE_MODE);
 
     //Release readBases at end because it is used by compute_full_prob
     readBasesArrayVector[i].clear();
     readBasesArrayVector[i].resize(1);
     readBasesArrayVector[i][0] = make_pair(readBases, readBasesArray);
   }
+#ifdef DO_PROFILING
+  g_load_time_initializer.m_data_transfer_time += (getCurrClk()-start_time);
+#endif
 
   jdouble* likelihoodDoubleArray = (jdouble*)GET_DOUBLE_ARRAY_ELEMENTS(likelihoodArray, &is_copy);
 #ifdef ENABLE_ASSERTIONS
   assert(likelihoodDoubleArray && "likelihoodArray is NULL");
   assert(env->GetArrayLength(likelihoodArray) == numTestCases);
 #endif
+#ifdef DO_PROFILING
+  start_time = getCurrClk();
+#endif
 #pragma omp parallel for schedule (dynamic,10) private(tc_idx) num_threads(maxNumThreadsToUse) 
   for(tc_idx=0;tc_idx<numTestCases;++tc_idx)
   {
@@ -373,27 +314,31 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
 
     likelihoodDoubleArray[tc_idx] = result;
   }
+#ifdef DO_PROFILING
+  g_load_time_initializer.m_compute_time += (getCurrClk()-start_time);
+#endif
 #ifdef DEBUG
   for(tc_idx=0;tc_idx<numTestCases;++tc_idx)
   {
     g_load_time_initializer.debug_dump("return_values_jni.txt",to_string(likelihoodDoubleArray[tc_idx]),true);
   }
 #endif
-  RELEASE_DOUBLE_ARRAY_ELEMENTS(likelihoodArray, likelihoodDoubleArray, 0);
+#ifdef DO_PROFILING
+  start_time = getCurrClk();
+#endif
+  RELEASE_DOUBLE_ARRAY_ELEMENTS(likelihoodArray, likelihoodDoubleArray, 0); //release mode 0, copy back results to Java memory
   
   //Release read arrays first
   for(int i=readBasesArrayVector.size()-1;i>=0;--i)//note the order - reverse of GET
   {
     for(int j=readBasesArrayVector[i].size()-1;j>=0;--j)
-      RELEASE_BYTE_ARRAY_ELEMENTS(readBasesArrayVector[i][j].first, readBasesArrayVector[i][j].second, JNI_RELEASE_MODE);
+      RELEASE_BYTE_ARRAY_ELEMENTS(readBasesArrayVector[i][j].first, readBasesArrayVector[i][j].second, JNI_RO_RELEASE_MODE);
     readBasesArrayVector[i].clear();
   }
   readBasesArrayVector.clear();
-
+#ifdef DO_PROFILING
-  //Now release haplotype arrays
+  g_load_time_initializer.m_data_transfer_time += (getCurrClk()-start_time);
-  for(int j=numHaplotypes-1;j>=0;--j)	//note the order - reverse of GET
+#endif
-    RELEASE_BYTE_ARRAY_ELEMENTS(haplotypeBasesArrayVector[j].first, haplotypeBasesArrayVector[j].second, JNI_RELEASE_MODE);
-  haplotypeBasesArrayVector.clear();
   tc_array.clear();
 #ifdef DO_PROFILING
   g_load_time_initializer.m_sumNumReads += numReads;
@@ -411,6 +356,21 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
 #endif
 }
 
+//Release haplotypes at the end of a region
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniFinalizeRegion
+  (JNIEnv * env, jobject thisObject)
+{
+  vector<pair<jbyteArray, jbyte*> >& haplotypeBasesArrayVector = g_haplotypeBasesArrayVector;
+  //Now release haplotype arrays
+  for(int j=haplotypeBasesArrayVector.size()-1;j>=0;--j)	//note the order - reverse of GET
+  {
+    RELEASE_BYTE_ARRAY_ELEMENTS(haplotypeBasesArrayVector[j].first, haplotypeBasesArrayVector[j].second, JNI_RO_RELEASE_MODE);
+    env->DeleteGlobalRef(haplotypeBasesArrayVector[j].first);	//free the global reference
+  }
+  haplotypeBasesArrayVector.clear(); 
+}
+
+
 JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniClose
   (JNIEnv* env, jobject thisObject)
 {

PairHMM_JNI/org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM.h

@@ -21,6 +21,34 @@ extern "C" {
 #define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_matchToDeletion 4L
 #undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_deletionToDeletion
 #define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_deletionToDeletion 5L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug 0L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_verify
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_verify 0L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug0_1
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug0_1 0L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug1
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug1 0L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug2
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug2 0L
+#undef org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug3
+#define org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_debug3 0L
+/*
+ * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
+ * Method:    jniGlobalInit
+ * Signature: (Ljava/lang/Class;Ljava/lang/Class;)V
+ */
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniGlobalInit
+  (JNIEnv *, jobject, jclass, jclass);
+
+/*
+ * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
+ * Method:    jniClose
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniClose
+  (JNIEnv *, jobject);
+
 /*
  * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
  * Method:    jniInitialize
@@ -45,7 +73,6 @@ JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPai
 JNIEXPORT jdouble JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializePriorsAndUpdateCells
   (JNIEnv *, jobject, jboolean, jint, jint, jbyteArray, jbyteArray, jbyteArray, jint);
 
-
 /*
  * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
  * Method:    jniSubComputeReadLikelihoodGivenHaplotypeLog10
@@ -56,28 +83,28 @@ JNIEXPORT jdouble JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILogless
 
 /*
  * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
- * Method:    jniGlobalInit
+ * Method:    jniInitializeHaplotypes
- * Signature: (Ljava/lang/Class;Ljava/lang/Class;)V
+ * Signature: (I[Lorg/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM/JNIHaplotypeDataHolderClass;)V
  */
-JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniGlobalInit
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniInitializeHaplotypes
-  (JNIEnv *, jobject, jclass, jclass);
+  (JNIEnv *, jobject, jint, jobjectArray);
+
+/*
+ * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
+ * Method:    jniFinalizeRegion
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniFinalizeRegion
+  (JNIEnv *, jobject);
 
 /*
  * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
  * Method:    jniComputeLikelihoods
- * Signature: ([Lorg/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM/JNIReadDataHolderClass;[Lorg/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM/JNIHaplotypeDataHolderClass;[D)V
+ * Signature: (II[Lorg/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM/JNIReadDataHolderClass;[Lorg/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM/JNIHaplotypeDataHolderClass;[DI)V
  */
 JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniComputeLikelihoods
   (JNIEnv *, jobject, jint, jint, jobjectArray, jobjectArray, jdoubleArray, jint);
 
-/*
- * Class:     org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM
- * Method:    jniClose
- * Signature: ()V
- */
-JNIEXPORT void JNICALL Java_org_broadinstitute_sting_utils_pairhmm_JNILoglessPairHMM_jniClose
-  (JNIEnv *, jobject);
-
 #ifdef __cplusplus
 }
 #endif

PairHMM_JNI/pairhmm-1-base.cc

@@ -4,26 +4,15 @@
 #include "headers.h"
 #include "template.h"
 #include "utils.h"
+#include "LoadTimeInitializer.h"
 
 using namespace std;
-class LoadTimeInitializer
+
-{
-  public:
-    LoadTimeInitializer()		//will be called when library is loaded
-    {
-      ConvertChar::init();
-    }
-};
-LoadTimeInitializer g_load_time_initializer;
 
 #define BATCH_SIZE  10000
 #define RUN_HYBRID
 
-double getCurrClk() {
+
-  struct timeval tv ;
-  gettimeofday(&tv, NULL);
-  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000.0;
-}
 
 int main(int argc, char** argv)
 {
@@ -39,9 +28,6 @@ int main(int argc, char** argv)
   if(argc >= 4)
     chunk_size = strtol(argv[3],0,10);
 
-
-  initialize_function_pointers(); 
-
   std::ifstream ifptr;
   FILE* fptr = 0;
   if(use_old_read_testcase)

PairHMM_JNI/pairhmm-template-main.cc

@@ -10,14 +10,9 @@
 #define BATCH_SIZE  10000
 #define RUN_HYBRID
 
+double getCurrClk();
 int thread_level_parallelism_enabled = false ;
 
-double getCurrClk() {
-  struct timeval tv ;
-  gettimeofday(&tv, NULL);
-  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000.0;
-}
-
 void print128b_F(__m128 x)
 {	
 	float *p = (float *)(&x);

PairHMM_JNI/run.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
-rm -f *.txt
+rm -f *.txt *.log
-export GSA_ROOT_DIR=/home/karthikg/broad/gsa-unstable
+GSA_ROOT_DIR=/home/karthikg/broad/gsa-unstable
 #-Djava.library.path is needed if you are using JNI_LOGLESS_CACHING, else not needed
 java  -Djava.library.path=${GSA_ROOT_DIR}/PairHMM_JNI -jar $GSA_ROOT_DIR/dist/GenomeAnalysisTK.jar   -T HaplotypeCaller \
 -R /opt/Genomics/ohsu/dnapipeline/humanrefgenome/human_g1k_v37.fasta \

PairHMM_JNI/utils.cc

@@ -240,3 +240,8 @@ int read_mod_testcase(ifstream& fptr, testcase* tc, bool reformat)
   return tokens.size();
 }
 
+double getCurrClk() {
+  struct timeval tv ;
+  gettimeofday(&tv, NULL);
+  return (double)tv.tv_sec + (double)tv.tv_usec / 1000000.0;
+}

PairHMM_JNI/utils.h

@@ -1,6 +1,7 @@
 #ifndef PAIRHMM_UTIL_H
 #define PAIRHMM_UTIL_H
 
+#include "template.h"
 
 template<class T>
 std::string to_string(T obj)
@@ -25,4 +26,5 @@ void debug_dump(std::string filename, std::string s, bool to_append, bool add_ne
 template<class NUMBER>
 NUMBER compute_full_prob(testcase *tc, NUMBER *before_last_log=0);
 void initialize_function_pointers();
+double getCurrClk();
 #endif

protected/java/src/org/broadinstitute/sting/gatk/walkers/haplotypecaller/PairHMMLikelihoodCalculationEngine.java

@@ -335,6 +335,11 @@ public class PairHMMLikelihoodCalculationEngine implements LikelihoodCalculation
         pairHMMThreadLocal.get().initialize(haplotypes, perSampleReadList, X_METRIC_LENGTH, Y_METRIC_LENGTH);
     }
 
+    private void finalizePairHMM()
+    {
+	pairHMMThreadLocal.get().finalizeRegion();
+    }
+
 
     @Override
     public Map<String, PerReadAlleleLikelihoodMap> computeReadLikelihoods( final AssemblyResultSet assemblyResultSet, final Map<String, List<GATKSAMRecord>> perSampleReadList ) {
@@ -353,6 +358,9 @@ public class PairHMMLikelihoodCalculationEngine implements LikelihoodCalculation
             stratifiedReadMap.put(sampleEntry.getKey(), map);
         }
 	
+	//Used mostly by the JNI implementation(s) to free arrays
+	finalizePairHMM();
+
         return stratifiedReadMap;
     }
 

protected/java/src/org/broadinstitute/sting/utils/pairhmm/JNILoglessPairHMM.java

@@ -68,8 +68,8 @@ import java.util.HashMap;
 public class JNILoglessPairHMM extends LoglessPairHMM {
 
     private static final boolean debug = false;	 //simulates ifdef
-    private static final boolean verify = debug || false;	 //simulates ifdef
+    private static final boolean verify = debug || true;	 //simulates ifdef
-    private static final boolean debug0_1 = false;	 //simulates ifdef
+    private static final boolean debug0_1 = true;	 //simulates ifdef
     private static final boolean debug1 = false; //simulates ifdef
     private static final boolean debug2 = false;
     private static final boolean debug3 = false;
@@ -148,10 +148,10 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 	  jniInitialize(readMaxLength, haplotypeMaxLength);
     }
 
-    private native void jniInitialize(final int numHaplotypes, final int numTotalReads, JNIHaplotypeDataHolderClass[] haplotypeDataArray,
+    private HashMap<Haplotype,Integer> haplotypeToHaplotypeListIdxMap = new HashMap<Haplotype,Integer>();
-	    JNIReadDataHolderClass[] readDataArray);
+    private native void jniInitializeHaplotypes(final int numHaplotypes,  JNIHaplotypeDataHolderClass[] haplotypeDataArray);
-    HashMap<String, Integer> sampleToIndex = new HashMap<String, Integer>();
     //Used to transfer data to JNI
+    //Since the haplotypes are the same for all calls to computeLikelihoods within a region, transfer the haplotypes only once to the JNI per region
      /**
      * {@inheritDoc}
      */
@@ -159,7 +159,6 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
     public void initialize( final List<Haplotype> haplotypes, final Map<String, List<GATKSAMRecord>> perSampleReadList, final int readMaxLength, final int haplotypeMaxLength ) {
 	if(verify)
 	    super.initialize(haplotypes, perSampleReadList, readMaxLength, haplotypeMaxLength);
-	/*
 	int numHaplotypes = haplotypes.size();
 	JNIHaplotypeDataHolderClass[] haplotypeDataArray = new JNIHaplotypeDataHolderClass[numHaplotypes];
 	int idx = 0;
@@ -167,32 +166,22 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 	{
 	    haplotypeDataArray[idx] = new JNIHaplotypeDataHolderClass();
 	    haplotypeDataArray[idx].haplotypeBases = currHaplotype.getBases();
+	    haplotypeToHaplotypeListIdxMap.put(currHaplotype, idx);
 	    ++idx;
 	}
-	sampleToIndex.clear();
+	jniInitializeHaplotypes(numHaplotypes, haplotypeDataArray);
-	int totalNumReads = 0;
-	for(final Map.Entry<String, List<GATKSAMRecord>> currEntry : perSampleReadList)
-	{
-	    sampleToIndex.put(currEntry.getKey(), totalNumReads);
-	    totalNumReads += currEntry.getValue().size();
     }
 
-	JNIHaplotypeDataHolderClass[] readDataArray = new JNIReadDataHolderClass[totalNumReads];
+    private native void jniFinalizeRegion();
-	idx = 0;
+    //Tell JNI to release arrays - really important if native code is directly accessing Java memory, if not
-	for(final Map.Entry<String, List<GATKSAMRecord>> currEntry : perSampleReadList)
+    //accessing Java memory directly, still important to release memory from C++
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void finalizeRegion()
     {
-	    for(GATKSAMRecord read : currEntry.getValue())
+	jniFinalizeRegion();
-	    {
-		readDataArray[idx] = new JNIReadDataHolderClass();
-		readDataArray[idx].readBases = read.getReadBases();
-		readDataArray[idx].readQuals = read.getBaseQualities();
-		readDataArray[idx].insertionGOP = read.getBaseInsertionQualities();
-		readDataArray[idx].deletionGOP = read.getBaseDeletionQualities();
-		readDataArray[idx].overallGCP = GCPArrayMap.get(read);
-		++idx;
-	    }
-	}
-	jniInitialize(numHaplotypes, numTotalReads, haplotypeDataArray, readDataArray);*/
     }
 
     //Real compute kernel
@@ -216,10 +205,10 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 		throw new IllegalStateException("Must call initialize before calling jniComputeLikelihoods in debug/verify mode");
 	}
 	int readListSize = reads.size();
-	int alleleHaplotypeMapSize = alleleHaplotypeMap.size();
+	int numHaplotypes = alleleHaplotypeMap.size();
-	int numTestcases = readListSize*alleleHaplotypeMapSize;
+	int numTestcases = readListSize*numHaplotypes;
 	if(debug0_1)
-	    System.out.println("Java numReads "+readListSize+" numHaplotypes "+alleleHaplotypeMapSize);
+	    System.out.println("Java numReads "+readListSize+" numHaplotypes "+numHaplotypes);
 	JNIReadDataHolderClass[] readDataArray = new JNIReadDataHolderClass[readListSize];
 	int idx = 0;
 	for(GATKSAMRecord read : reads)
@@ -246,7 +235,10 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 	    }
 	    ++idx;
 	}
-	JNIHaplotypeDataHolderClass[] haplotypeDataArray = new JNIHaplotypeDataHolderClass[alleleHaplotypeMapSize];
+
+	JNIHaplotypeDataHolderClass[] haplotypeDataArray = new JNIHaplotypeDataHolderClass[numHaplotypes];
+	if(verify)
+	{
 	    idx = 0;
 	    for (Map.Entry<Allele, Haplotype>  currEntry : alleleHaplotypeMap.entrySet())	//order is important - access in same order always
 	    {
@@ -261,24 +253,50 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 		}
 		++idx;
 	    }
-	double[] likelihoodArray = new double[readListSize*alleleHaplotypeMapSize];	//to store results
+	}
+	double[] likelihoodArray = new double[readListSize*numHaplotypes];	//to store results
 	//for(reads)
 	//   for(haplotypes)
 	//       compute_full_prob()
-	jniComputeLikelihoods(readListSize, alleleHaplotypeMapSize, readDataArray, haplotypeDataArray, likelihoodArray, 12);
+	jniComputeLikelihoods(readListSize, numHaplotypes, readDataArray, haplotypeDataArray, likelihoodArray, 12);
 
 
 	//final PerReadAlleleLikelihoodMap likelihoodMap = new PerReadAlleleLikelihoodMap();
 	PerReadAlleleLikelihoodMap likelihoodMap = new PerReadAlleleLikelihoodMap();
 	idx = 0;
+	int idxInsideHaplotypeList = 0;
+	int readIdx = 0;
 	for(GATKSAMRecord read : reads)
+	{
 	    for (Map.Entry<Allele, Haplotype>  currEntry : alleleHaplotypeMap.entrySet())//order is important - access in same order always
 	    {
-		likelihoodMap.add(read, currEntry.getKey(), likelihoodArray[idx]);
+		//Since the order of haplotypes in the List<Haplotype> and alleleHaplotypeMap is different,
+		//get idx of current haplotype in the list and use this idx to get the right likelihoodValue
+		idxInsideHaplotypeList = haplotypeToHaplotypeListIdxMap.get(currEntry.getValue());
+		likelihoodMap.add(read, currEntry.getKey(), likelihoodArray[readIdx + idxInsideHaplotypeList]);
 		++idx;
 	    }
+	    readIdx += numHaplotypes;
+	}
 	if(verify)
 	{
+	    //re-order values in likelihoodArray
+	    double[] tmpArray = new double[numHaplotypes];
+	    idx = 0;
+	    idxInsideHaplotypeList = 0;
+	    readIdx = 0;
+	    for(GATKSAMRecord read : reads)
+	    {
+		for(int j=0;j<numHaplotypes;++j)
+		    tmpArray[j] = likelihoodArray[readIdx+j];
+		for (Map.Entry<Allele, Haplotype>  currEntry : alleleHaplotypeMap.entrySet())//order is important - access in same order always
+		{
+		    idxInsideHaplotypeList = haplotypeToHaplotypeListIdxMap.get(currEntry.getValue());
+		    likelihoodArray[idx] = tmpArray[idxInsideHaplotypeList];
+		    ++idx;
+		}
+		readIdx += numHaplotypes;
+	    }
 	    //to compare values
 	    likelihoodMap = super.computeLikelihoods(reads, alleleHaplotypeMap, GCPArrayMap);
 	    //for floating point values, no exact equality
@@ -304,23 +322,23 @@ public class JNILoglessPairHMM extends LoglessPairHMM {
 	    if(toDump)
 	    {
 		idx = 0;
-		System.out.println("Dump : Java numReads "+readListSize+" numHaplotypes "+alleleHaplotypeMapSize);
+		System.out.println("Dump : Java numReads "+readListSize+" numHaplotypes "+numHaplotypes);
 		for(int i=0;i<readDataArray.length;++i)
 		{
 		    for(int j=0;j<haplotypeDataArray.length;++j)
 		    {
-			debugDump("debug_dump.log",new String(haplotypeDataArray[j].haplotypeBases)+" ",true);
+			debugDump("debug_dump.txt",new String(haplotypeDataArray[j].haplotypeBases)+" ",true);
-			debugDump("debug_dump.log",new String(readDataArray[i].readBases)+" ",true);
+			debugDump("debug_dump.txt",new String(readDataArray[i].readBases)+" ",true);
 			for(int k=0;k<readDataArray[i].readBases.length;++k)
-			    debugDump("debug_dump.log",String.format("%d",(int)(readDataArray[i].readQuals[k]))+" ",true);
+			    debugDump("debug_dump.txt",String.format("%d",(int)(readDataArray[i].readQuals[k]))+" ",true);
 			for(int k=0;k<readDataArray[i].readBases.length;++k)
-			    debugDump("debug_dump.log",String.format("%d",(int)(readDataArray[i].insertionGOP[k]))+" ",true);
+			    debugDump("debug_dump.txt",String.format("%d",(int)(readDataArray[i].insertionGOP[k]))+" ",true);
 			for(int k=0;k<readDataArray[i].readBases.length;++k)
-			    debugDump("debug_dump.log",String.format("%d",(int)(readDataArray[i].deletionGOP[k]))+" ",true);
+			    debugDump("debug_dump.txt",String.format("%d",(int)(readDataArray[i].deletionGOP[k]))+" ",true);
 			for(int k=0;k<readDataArray[i].readBases.length;++k)
-			    debugDump("debug_dump.log",String.format("%d",(int)(readDataArray[i].overallGCP[k]))+" ",true);
+			    debugDump("debug_dump.txt",String.format("%d",(int)(readDataArray[i].overallGCP[k]))+" ",true);
-			debugDump("debug_dump.log","\n",true);
+			debugDump("debug_dump.txt","\n",true);
-			debugDump("debug_results.log",String.format("%e %e\n",mLikelihoodArray[idx],likelihoodArray[idx]),true);
+			debugDump("debug_results.txt",String.format("%e %e\n",mLikelihoodArray[idx],likelihoodArray[idx]),true);
 			++idx;
 		    }
 		}

public/java/src/org/broadinstitute/sting/utils/pairhmm/PairHMM.java

@@ -100,6 +100,14 @@ public abstract class PairHMM {
         initialized = true;
     }
 
+    /**
+     * Called at the end of PairHMM for a region - mostly used by the JNI implementations
+     */
+    public void finalizeRegion()
+    {
+	;
+    }
+
     /**
      * Initialize this PairHMM, making it suitable to run against a read and haplotype with given lengths
      * This function is used by the JNI implementations to transfer all data once to the native code