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-rw-r--r--eigen/bench/check_cache_queries.cpp101
1 files changed, 0 insertions, 101 deletions
diff --git a/eigen/bench/check_cache_queries.cpp b/eigen/bench/check_cache_queries.cpp
deleted file mode 100644
index 029d44c..0000000
--- a/eigen/bench/check_cache_queries.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
-
-#define EIGEN_INTERNAL_DEBUG_CACHE_QUERY
-#include <iostream>
-#include "../Eigen/Core"
-
-using namespace Eigen;
-using namespace std;
-
-#define DUMP_CPUID(CODE) {\
- int abcd[4]; \
- abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;\
- EIGEN_CPUID(abcd, CODE, 0); \
- std::cout << "The code " << CODE << " gives " \
- << (int*)(abcd[0]) << " " << (int*)(abcd[1]) << " " \
- << (int*)(abcd[2]) << " " << (int*)(abcd[3]) << " " << std::endl; \
- }
-
-int main()
-{
- cout << "Eigen's L1 = " << internal::queryL1CacheSize() << endl;
- cout << "Eigen's L2/L3 = " << internal::queryTopLevelCacheSize() << endl;
- int l1, l2, l3;
- internal::queryCacheSizes(l1, l2, l3);
- cout << "Eigen's L1, L2, L3 = " << l1 << " " << l2 << " " << l3 << endl;
-
- #ifdef EIGEN_CPUID
-
- int abcd[4];
- int string[8];
- char* string_char = (char*)(string);
-
- // vendor ID
- EIGEN_CPUID(abcd,0x0,0);
- string[0] = abcd[1];
- string[1] = abcd[3];
- string[2] = abcd[2];
- string[3] = 0;
- cout << endl;
- cout << "vendor id = " << string_char << endl;
- cout << endl;
- int max_funcs = abcd[0];
-
- internal::queryCacheSizes_intel_codes(l1, l2, l3);
- cout << "Eigen's intel codes L1, L2, L3 = " << l1 << " " << l2 << " " << l3 << endl;
- if(max_funcs>=4)
- {
- internal::queryCacheSizes_intel_direct(l1, l2, l3);
- cout << "Eigen's intel direct L1, L2, L3 = " << l1 << " " << l2 << " " << l3 << endl;
- }
- internal::queryCacheSizes_amd(l1, l2, l3);
- cout << "Eigen's amd L1, L2, L3 = " << l1 << " " << l2 << " " << l3 << endl;
- cout << endl;
-
- // dump Intel direct method
- if(max_funcs>=4)
- {
- l1 = l2 = l3 = 0;
- int cache_id = 0;
- int cache_type = 0;
- do {
- abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;
- EIGEN_CPUID(abcd,0x4,cache_id);
- cache_type = (abcd[0] & 0x0F) >> 0;
- int cache_level = (abcd[0] & 0xE0) >> 5; // A[7:5]
- int ways = (abcd[1] & 0xFFC00000) >> 22; // B[31:22]
- int partitions = (abcd[1] & 0x003FF000) >> 12; // B[21:12]
- int line_size = (abcd[1] & 0x00000FFF) >> 0; // B[11:0]
- int sets = (abcd[2]); // C[31:0]
- int cache_size = (ways+1) * (partitions+1) * (line_size+1) * (sets+1);
-
- cout << "cache[" << cache_id << "].type = " << cache_type << "\n";
- cout << "cache[" << cache_id << "].level = " << cache_level << "\n";
- cout << "cache[" << cache_id << "].ways = " << ways << "\n";
- cout << "cache[" << cache_id << "].partitions = " << partitions << "\n";
- cout << "cache[" << cache_id << "].line_size = " << line_size << "\n";
- cout << "cache[" << cache_id << "].sets = " << sets << "\n";
- cout << "cache[" << cache_id << "].size = " << cache_size << "\n";
-
- cache_id++;
- } while(cache_type>0 && cache_id<16);
- }
-
- // dump everything
- std::cout << endl <<"Raw dump:" << endl;
- for(int i=0; i<max_funcs; ++i)
- DUMP_CPUID(i);
-
- DUMP_CPUID(0x80000000);
- DUMP_CPUID(0x80000001);
- DUMP_CPUID(0x80000002);
- DUMP_CPUID(0x80000003);
- DUMP_CPUID(0x80000004);
- DUMP_CPUID(0x80000005);
- DUMP_CPUID(0x80000006);
- DUMP_CPUID(0x80000007);
- DUMP_CPUID(0x80000008);
- #else
- cout << "EIGEN_CPUID is not defined" << endl;
- #endif
- return 0;
-}