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author | Narayan Kamath <narayan@google.com> | 2012-11-02 10:59:05 +0000 |
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committer | Xiaotao Duan <xiaotao@google.com> | 2012-11-07 14:17:48 -0800 |
commit | c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (patch) | |
tree | 54d1c7d66098154c1d7c5bd414394ef4cf255810 /bench/check_cache_queries.cpp | |
parent | 63f67d748682b46d58be31235a0a2d64d81b998c (diff) | |
download | eigen-c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd.tar.gz |
Initial import of eigen 3.1.1android-cts-4.4_r4android-cts-4.2_r2android-4.4_r1.2.0.1android-4.4_r1.2android-4.4_r1.1.0.1android-4.4_r1.1android-4.4_r1.0.1android-4.4_r1android-4.4_r0.9android-4.4_r0.8android-4.3_r2.3android-4.3_r2.2android-4.3_r2.1android-4.3_r2android-4.3_r1.1android-4.3_r1android-4.3_r0.9.1android-4.3_r0.9android-4.2.2_r1.2android-4.2.2_r1.1android-4.2.2_r1kitkat-releasekitkat-cts-releasejb-mr2.0-releasejb-mr2-releasejb-mr1.1-releasejb-mr1.1-dev
Added a README.android and a MODULE_LICENSE_MPL2 file.
Added empty Android.mk and CleanSpec.mk to optimize Android build.
Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h.
Trying to include such files will lead to an error.
Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
Diffstat (limited to 'bench/check_cache_queries.cpp')
-rw-r--r-- | bench/check_cache_queries.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/bench/check_cache_queries.cpp b/bench/check_cache_queries.cpp new file mode 100644 index 000000000..029d44cf6 --- /dev/null +++ b/bench/check_cache_queries.cpp @@ -0,0 +1,101 @@ + +#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; +} |