diff options
Diffstat (limited to 'src/benchmark')
-rw-r--r-- | src/benchmark/benchmark.cpp | 43 | ||||
-rw-r--r-- | src/benchmark/benchmark.h | 25 | ||||
-rw-r--r-- | src/benchmark/info.txt | 1 |
3 files changed, 21 insertions, 48 deletions
diff --git a/src/benchmark/benchmark.cpp b/src/benchmark/benchmark.cpp index 41c9cd10c..69d3a40ec 100644 --- a/src/benchmark/benchmark.cpp +++ b/src/benchmark/benchmark.cpp @@ -11,6 +11,7 @@ #include <botan/stream_cipher.h> #include <botan/hash.h> #include <botan/mac.h> +#include <botan/time.h> #include <memory> namespace Botan { @@ -21,19 +22,19 @@ namespace { * Benchmark BufferedComputation (hash or MAC) */ std::pair<u64bit, u64bit> bench_buf_comp(BufferedComputation* buf_comp, - Timer& timer, u64bit nanoseconds_max, const byte buf[], u32bit buf_len) { - const u64bit start = timer.clock(); - u64bit nanoseconds_used = 0; u64bit reps = 0; + const u64bit start = get_nanoseconds_clock(); + u64bit nanoseconds_used = 0; + while(nanoseconds_used < nanoseconds_max) { buf_comp->update(buf, buf_len); ++reps; - nanoseconds_used = timer.clock() - start; + nanoseconds_used = get_nanoseconds_clock() - start; } return std::make_pair(reps * buf_len, nanoseconds_used); @@ -44,15 +45,15 @@ std::pair<u64bit, u64bit> bench_buf_comp(BufferedComputation* buf_comp, */ std::pair<u64bit, u64bit> bench_block_cipher(BlockCipher* block_cipher, - Timer& timer, u64bit nanoseconds_max, byte buf[], u32bit buf_len) { - const u64bit start = timer.clock(); - u64bit nanoseconds_used = 0; + const u32bit in_blocks = buf_len / block_cipher->BLOCK_SIZE; + u64bit reps = 0; - const u32bit in_blocks = buf_len / block_cipher->BLOCK_SIZE; + const u64bit start = get_nanoseconds_clock(); + u64bit nanoseconds_used = 0; block_cipher->set_key(buf, block_cipher->MAXIMUM_KEYLENGTH); @@ -61,7 +62,7 @@ bench_block_cipher(BlockCipher* block_cipher, block_cipher->encrypt_n(buf, buf, in_blocks); ++reps; - nanoseconds_used = timer.clock() - start; + nanoseconds_used = get_nanoseconds_clock() - start; } return std::make_pair(reps * in_blocks * block_cipher->BLOCK_SIZE, @@ -73,21 +74,21 @@ bench_block_cipher(BlockCipher* block_cipher, */ std::pair<u64bit, u64bit> bench_stream_cipher(StreamCipher* stream_cipher, - Timer& timer, u64bit nanoseconds_max, byte buf[], u32bit buf_len) { - const u64bit start = timer.clock(); - u64bit nanoseconds_used = 0; u64bit reps = 0; + const u64bit start = get_nanoseconds_clock(); + u64bit nanoseconds_used = 0; + stream_cipher->set_key(buf, stream_cipher->MAXIMUM_KEYLENGTH); while(nanoseconds_used < nanoseconds_max) { stream_cipher->cipher1(buf, buf_len); ++reps; - nanoseconds_used = timer.clock() - start; + nanoseconds_used = get_nanoseconds_clock() - start; } return std::make_pair(reps * buf_len, nanoseconds_used); @@ -97,11 +98,11 @@ bench_stream_cipher(StreamCipher* stream_cipher, * Benchmark hash */ std::pair<u64bit, u64bit> -bench_hash(HashFunction* hash, Timer& timer, +bench_hash(HashFunction* hash, u64bit nanoseconds_max, const byte buf[], u32bit buf_len) { - return bench_buf_comp(hash, timer, nanoseconds_max, buf, buf_len); + return bench_buf_comp(hash, nanoseconds_max, buf, buf_len); } /** @@ -109,12 +110,11 @@ bench_hash(HashFunction* hash, Timer& timer, */ std::pair<u64bit, u64bit> bench_mac(MessageAuthenticationCode* mac, - Timer& timer, u64bit nanoseconds_max, const byte buf[], u32bit buf_len) { mac->set_key(buf, mac->MAXIMUM_KEYLENGTH); - return bench_buf_comp(mac, timer, nanoseconds_max, buf, buf_len); + return bench_buf_comp(mac, nanoseconds_max, buf, buf_len); } } @@ -122,7 +122,6 @@ bench_mac(MessageAuthenticationCode* mac, std::map<std::string, double> algorithm_benchmark(const std::string& name, u32bit milliseconds, - Timer& timer, RandomNumberGenerator& rng, Algorithm_Factory& af) { @@ -148,7 +147,7 @@ algorithm_benchmark(const std::string& name, af.prototype_block_cipher(name, provider)) { std::auto_ptr<BlockCipher> block_cipher(proto->clone()); - results = bench_block_cipher(block_cipher.get(), timer, + results = bench_block_cipher(block_cipher.get(), ns_per_provider, &buf[0], buf.size()); } @@ -156,7 +155,7 @@ algorithm_benchmark(const std::string& name, af.prototype_stream_cipher(name, provider)) { std::auto_ptr<StreamCipher> stream_cipher(proto->clone()); - results = bench_stream_cipher(stream_cipher.get(), timer, + results = bench_stream_cipher(stream_cipher.get(), ns_per_provider, &buf[0], buf.size()); } @@ -164,14 +163,14 @@ algorithm_benchmark(const std::string& name, af.prototype_hash_function(name, provider)) { std::auto_ptr<HashFunction> hash(proto->clone()); - results = bench_hash(hash.get(), timer, ns_per_provider, + results = bench_hash(hash.get(), ns_per_provider, &buf[0], buf.size()); } else if(const MessageAuthenticationCode* proto = af.prototype_mac(name, provider)) { std::auto_ptr<MessageAuthenticationCode> mac(proto->clone()); - results = bench_mac(mac.get(), timer, ns_per_provider, + results = bench_mac(mac.get(), ns_per_provider, &buf[0], buf.size()); } diff --git a/src/benchmark/benchmark.h b/src/benchmark/benchmark.h index 1b2730105..9c4e410f1 100644 --- a/src/benchmark/benchmark.h +++ b/src/benchmark/benchmark.h @@ -9,40 +9,16 @@ #define BOTAN_RUNTIME_BENCHMARK_H__ #include <botan/algo_factory.h> -#include <botan/timer.h> #include <botan/rng.h> #include <map> #include <string> -/** -* Choose some sort of default timer implementation to use, since some -* (like hardware tick counters and current Win32 timer) are not -* reliable for benchmarking. -*/ -#if defined(BOTAN_HAS_TIMER_POSIX) - #include <botan/tm_posix.h> -#elif defined(BOTAN_HAS_TIMER_UNIX) - #include <botan/tm_unix.h> -#endif - namespace Botan { -#if defined(BOTAN_HAS_TIMER_POSIX) - typedef POSIX_Timer Default_Benchmark_Timer; -#elif defined(BOTAN_HAS_TIMER_UNIX) - typedef Unix_Timer Default_Benchmark_Timer; -#else - /* I have not had good success using clock(), the results seem - * pretty bogus, but as a last resort it works. - */ - typedef ANSI_Clock_Timer Default_Benchmark_Timer; -#endif - /** * Algorithm benchmark * @param name the name of the algorithm to test (cipher, hash, or MAC) * @param milliseconds total time for the benchmark to run -* @param timer the timer to use * @param rng the rng to use to generate random inputs * @param af the algorithm factory used to create objects * @return results a map from provider to speed in mebibytes per second @@ -50,7 +26,6 @@ namespace Botan { std::map<std::string, double> BOTAN_DLL algorithm_benchmark(const std::string& name, u32bit milliseconds, - Timer& timer, RandomNumberGenerator& rng, Algorithm_Factory& af); diff --git a/src/benchmark/info.txt b/src/benchmark/info.txt index f148ae5ce..0210971f7 100644 --- a/src/benchmark/info.txt +++ b/src/benchmark/info.txt @@ -15,5 +15,4 @@ hash mac rng stream -timer </requires> |