Fixing global_knobs.txt path - make it relative to LLVM_SRC_ROOT

llvm/projects/hpvm-tensor-rt/tensor_runtime/src/approx_knobs_utils.cc

@@ -4,6 +4,7 @@
 #include <fstream>
 #include <map>
 #include <vector>
+#include <string.h>
 
 #include "approx_knob_utils.h"
 
@@ -24,8 +25,22 @@ PerfParams::PerfParams(int row1, int col1, int skip_offset1){
 
 
 PerfParamSet::PerfParamSet(){
-    
-  std::ifstream file("../autotuner/data/global_knobs.txt");
+
+  char llvm_src_root[100];
+  strcpy(llvm_src_root, getenv("LLVM_SRC_ROOT"));  
+   
+  if (llvm_src_root == NULL){
+
+    printf("ERROR: SET LLVM_SRC_ROOT \n");
+    abort();
+  }
+
+  printf ("*LLVM_SRC_ROOT = %s", llvm_src_root);
+
+  char* knobs_file_path = strcat(llvm_src_root, "/projects/hpvm-tensor-rt/autotuner/data/global_knobs.txt");
+  printf ("- knobs_file_path = %s \n", knobs_file_path);
+  
+  std::ifstream file(knobs_file_path);
 
   std::string line;
   std::string partial;
@@ -33,6 +48,8 @@ PerfParamSet::PerfParamSet(){
 
   while(std::getline(file, line)) {     // Read each line 
 
+    printf ("***** line === ", line);
+    
     std::istringstream iss(line);
     std::string token;
     while(std::getline(iss, token, '\t')){   // Read each token in the line
@@ -58,7 +75,8 @@ PerfParamSet::PerfParamSet(){
 
 	std::getline(token_stream, tok, ',');
 	int offset = atoi(tok.c_str());
-		     	   
+
+	printf ("**** knob = %d, row = %d, col = %d, offset = %d \n\n", knob, row, col, offset); 
 	PerfParams params(row, col, offset);
 	perf_knob_map[knob] = params;
 	  
@@ -66,11 +84,16 @@ PerfParamSet::PerfParamSet(){
 	
     }
   }
-       
+
+  file.close();
 }
 
   
 PerfParams PerfParamSet::getPerfParams(int swing){
+
+  if (swing >= 150){
+    swing = swing - 30;
+  }
   
   return perf_knob_map[swing];
   
@@ -94,58 +117,79 @@ SampParams::SampParams(int skip_rate1, int skip_offset1, float interpolation_id1
 
 SampParamSet::SampParamSet(){
 
-    std::ifstream file("../autotuner/data/global_knobs.txt");
+  char llvm_src_root[100];
+  strcpy(llvm_src_root, getenv("LLVM_SRC_ROOT"));  
+  
+  if (llvm_src_root == NULL){
+
+    printf("ERROR: SET LLVM_SRC_ROOT \n");
+    abort();
+  }
+
+  printf ("* LLVM_SRC_ROOT = %s \n", llvm_src_root);
 
-    std::string line;
-    std::string partial;
-    std::vector<std::string> tokens;
+  char* knobs_file_path = strcat(llvm_src_root, "/projects/hpvm-tensor-rt/autotuner/data/global_knobs.txt");
+  printf ("- knobs_file_path = %s \n", knobs_file_path);
+ 
+  std::ifstream file(knobs_file_path);
 
-    while(std::getline(file, line)) {     // Read each line 
+  std::string line;
+  std::string partial;
+  std::vector<std::string> tokens;
+
+  while(std::getline(file, line)) {     // Read each line 
 
-      std::istringstream iss(line);
-      std::string token;
-      while(std::getline(iss, token, '\t')){   // Read each token in the line
-	tokens.push_back(token);
+    std::istringstream iss(line);
+    std::string token;
+    while(std::getline(iss, token, '\t')){   // Read each token in the line
+      tokens.push_back(token);
 
-	int index = token.find("samp");
-	int test_index = token.find("reduction");
+      int index = token.find("samp");
+      int test_index = token.find("reduction");
 	
-	if (index != std::string::npos && test_index == std::string::npos){
+      if (index != std::string::npos && test_index == std::string::npos){
 
-	  int index2 = token.find(",");
-	  std::string knob_str = token.substr(index2 + 1);
-	  int knob = atoi(knob_str.c_str());
-          printf ("knob = %d \n", knob);
+	int index2 = token.find(",");
+	std::string knob_str = token.substr(index2 + 1);
+	int knob = atoi(knob_str.c_str());
+	printf ("knob = %d \n", knob);
 	  
-	  std::getline(iss, token, '\t');
-	  std::istringstream token_stream(token);
+	std::getline(iss, token, '\t');
+	std::istringstream token_stream(token);
 
-	  std::string tok;
+	std::string tok;
 	  
-	  std::getline(token_stream, tok, ',');	  
-	  int skip_every = atoi(tok.c_str());
+	std::getline(token_stream, tok, ',');	  
+	int skip_every = atoi(tok.c_str());
 
-          std::getline(token_stream, tok, ',');
-	  int offset = atoi(tok.c_str());
+	std::getline(token_stream, tok, ',');
+	int offset = atoi(tok.c_str());
 
-	  std::getline(token_stream, tok, ',');
-	  float interpolation_id = atof(tok.c_str());
+	std::getline(token_stream, tok, ',');
+	float interpolation_id = atof(tok.c_str());
 
-	  printf ("skip_every = %d, offset = %d \n", skip_every, offset);
-	  SampParams params(skip_every, offset, interpolation_id);
-	  samp_knob_map[knob] = params;
+	printf ("skip_every = %d, offset = %d \n", skip_every, offset);
+	SampParams params(skip_every, offset, interpolation_id);
+	samp_knob_map[knob] = params;
 	  
-	}
-	
       }
+	
     }
+  }
+
 
+  file.close();
+  
 }
 
 
 
 SampParams SampParamSet::getSampParams(int swing){
 
+  if (swing >= 260){
+    swing = swing - 30;
+  }
+
   return samp_knob_map[swing];  
 }