You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
					
					
						
							125 lines
						
					
					
						
							3.3 KiB
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							125 lines
						
					
					
						
							3.3 KiB
						
					
					
				| 
 | |
| #define NOGMM | |
| #define NOMTL | |
|  | |
| #include <map> | |
| #include <ext/hash_map> | |
| #include <google/dense_hash_map> | |
| #include <google/sparse_hash_map> | |
|  | |
| #ifndef SIZE | |
| #define SIZE 10000 | |
| #endif | |
|  | |
| #ifndef DENSITY | |
| #define DENSITY 0.01 | |
| #endif | |
|  | |
| #ifndef REPEAT | |
| #define REPEAT 1 | |
| #endif | |
|  | |
| #include "BenchSparseUtil.h" | |
|  | |
| #ifndef MINDENSITY | |
| #define MINDENSITY 0.0004 | |
| #endif | |
|  | |
| #ifndef NBTRIES | |
| #define NBTRIES 10 | |
| #endif | |
|  | |
| #define BENCH(X) \ | |
|   timer.reset(); \ | |
|   for (int _j=0; _j<NBTRIES; ++_j) { \ | |
|     timer.start(); \ | |
|     for (int _k=0; _k<REPEAT; ++_k) { \ | |
|         X  \ | |
|   } timer.stop(); } | |
|  | |
| 
 | |
| static double rtime; | |
| static double nentries; | |
| 
 | |
| template<typename SetterType> | |
| void dostuff(const char* name, EigenSparseMatrix& sm1) | |
| { | |
|   int rows = sm1.rows(); | |
|   int cols = sm1.cols(); | |
|   sm1.setZero(); | |
|   BenchTimer t; | |
|   SetterType* set1 = new SetterType(sm1); | |
|   t.reset(); t.start(); | |
|   for (int k=0; k<nentries; ++k) | |
|     (*set1)(internal::random<int>(0,rows-1),internal::random<int>(0,cols-1)) += 1; | |
|   t.stop(); | |
|   std::cout << "std::map =>      \t" << t.value()-rtime | |
|             << " nnz=" << set1->nonZeros() << std::flush; | |
| 
 | |
|   // getchar(); | |
|  | |
|   t.reset(); t.start(); delete set1; t.stop(); | |
|   std::cout << "  back: \t" << t.value() << "\n"; | |
| } | |
|      | |
| int main(int argc, char *argv[]) | |
| { | |
|   int rows = SIZE; | |
|   int cols = SIZE; | |
|   float density = DENSITY; | |
| 
 | |
|   EigenSparseMatrix sm1(rows,cols), sm2(rows,cols); | |
| 
 | |
| 
 | |
|   nentries = rows*cols*density; | |
|   std::cout << "n = " << nentries << "\n"; | |
|   int dummy; | |
|   BenchTimer t; | |
| 
 | |
|   t.reset(); t.start(); | |
|   for (int k=0; k<nentries; ++k) | |
|     dummy = internal::random<int>(0,rows-1) + internal::random<int>(0,cols-1); | |
|   t.stop(); | |
|   rtime = t.value(); | |
|   std::cout << "rtime = " << rtime << " (" << dummy << ")\n\n"; | |
|   const int Bits = 6; | |
|   for (;;) | |
|   { | |
|     dostuff<RandomSetter<EigenSparseMatrix,StdMapTraits,Bits> >("std::map     ", sm1); | |
|     dostuff<RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> >("gnu::hash_map", sm1); | |
|     dostuff<RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> >("google::dense", sm1); | |
|     dostuff<RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> >("google::sparse", sm1); | |
| 
 | |
| //     { | |
| //       RandomSetter<EigenSparseMatrix,GnuHashMapTraits,Bits> set1(sm1); | |
| //       t.reset(); t.start(); | |
| //       for (int k=0; k<n; ++k) | |
| //         set1(internal::random<int>(0,rows-1),internal::random<int>(0,cols-1)) += 1; | |
| //       t.stop(); | |
| //       std::cout << "gnu::hash_map => \t" << t.value()-rtime | |
| //                 << " nnz=" << set1.nonZeros() << "\n";getchar(); | |
| //     } | |
| //     { | |
| //       RandomSetter<EigenSparseMatrix,GoogleDenseHashMapTraits,Bits> set1(sm1); | |
| //       t.reset(); t.start(); | |
| //       for (int k=0; k<n; ++k) | |
| //         set1(internal::random<int>(0,rows-1),internal::random<int>(0,cols-1)) += 1; | |
| //       t.stop(); | |
| //       std::cout << "google::dense => \t" << t.value()-rtime | |
| //                 << " nnz=" << set1.nonZeros() << "\n";getchar(); | |
| //     } | |
| //     { | |
| //       RandomSetter<EigenSparseMatrix,GoogleSparseHashMapTraits,Bits> set1(sm1); | |
| //       t.reset(); t.start(); | |
| //       for (int k=0; k<n; ++k) | |
| //         set1(internal::random<int>(0,rows-1),internal::random<int>(0,cols-1)) += 1; | |
| //       t.stop(); | |
| //       std::cout << "google::sparse => \t" << t.value()-rtime | |
| //                 << " nnz=" << set1.nonZeros() << "\n";getchar(); | |
| //     } | |
|     std::cout << "\n\n"; | |
|   } | |
| 
 | |
|   return 0; | |
| } | |
| 
 |