diff options
Diffstat (limited to 'src/benchmark')
| -rw-r--r-- | src/benchmark/benchmark.cpp | 53 | ||||
| -rw-r--r-- | src/benchmark/benchmark.h | 3 |
2 files changed, 36 insertions, 20 deletions
diff --git a/src/benchmark/benchmark.cpp b/src/benchmark/benchmark.cpp index 01f6b99da..7a78461c2 100644 --- a/src/benchmark/benchmark.cpp +++ b/src/benchmark/benchmark.cpp @@ -1,6 +1,6 @@ /** * Runtime benchmarking -* (C) 2008 Jack Lloyd +* (C) 2008-2009 Jack Lloyd * * Distributed under the terms of the Botan license */ @@ -11,13 +11,15 @@ #include <botan/stream_cipher.h> #include <botan/hash.h> #include <botan/mac.h> -#include <botan/time.h> #include <memory> - +#include <vector> +#include <chrono> namespace Botan { namespace { +typedef std::chrono::high_resolution_clock benchmark_clock; + /** * Benchmark BufferedComputation (hash or MAC) */ @@ -26,18 +28,23 @@ std::pair<u64bit, u64bit> bench_buf_comp(BufferedComputation* buf_comp, const byte buf[], u32bit buf_len) { u64bit reps = 0; - u64bit nanoseconds_used = 0; - while(nanoseconds_used < nanoseconds_max) + std::chrono::nanoseconds max_time(nanoseconds_max); + std::chrono::nanoseconds time_used(0); + + while(time_used < max_time) { - const u64bit start = get_nanoseconds_clock(); + auto start = benchmark_clock::now(); buf_comp->update(buf, buf_len); - nanoseconds_used += get_nanoseconds_clock() - start; + time_used += benchmark_clock::now() - start; ++reps; } - return std::make_pair(reps * buf_len, nanoseconds_used); + u64bit ns_taken = + std::chrono::duration_cast<std::chrono::nanoseconds>(time_used).count(); + + return std::make_pair(reps * buf_len, ns_taken); } /** @@ -51,21 +58,26 @@ bench_block_cipher(BlockCipher* block_cipher, const u32bit in_blocks = buf_len / block_cipher->BLOCK_SIZE; u64bit reps = 0; - u64bit nanoseconds_used = 0; + + std::chrono::nanoseconds max_time(nanoseconds_max); + std::chrono::nanoseconds time_used(0); block_cipher->set_key(buf, block_cipher->MAXIMUM_KEYLENGTH); - while(nanoseconds_used < nanoseconds_max) + while(time_used < max_time) { - const u64bit start = get_nanoseconds_clock(); + auto start = benchmark_clock::now(); block_cipher->encrypt_n(buf, buf, in_blocks); - nanoseconds_used += get_nanoseconds_clock() - start; + time_used += benchmark_clock::now() - start; ++reps; } + u64bit ns_taken = + std::chrono::duration_cast<std::chrono::nanoseconds>(time_used).count(); + return std::make_pair(reps * in_blocks * block_cipher->BLOCK_SIZE, - nanoseconds_used); + ns_taken); } /** @@ -77,20 +89,25 @@ bench_stream_cipher(StreamCipher* stream_cipher, byte buf[], u32bit buf_len) { u64bit reps = 0; - u64bit nanoseconds_used = 0; stream_cipher->set_key(buf, stream_cipher->MAXIMUM_KEYLENGTH); - while(nanoseconds_used < nanoseconds_max) + std::chrono::nanoseconds max_time(nanoseconds_max); + std::chrono::nanoseconds time_used(0); + + while(time_used < max_time) { - const u64bit start = get_nanoseconds_clock(); + auto start = benchmark_clock::now(); stream_cipher->cipher1(buf, buf_len); - nanoseconds_used += get_nanoseconds_clock() - start; + time_used += benchmark_clock::now() - start; ++reps; } - return std::make_pair(reps * buf_len, nanoseconds_used); + u64bit ns_taken = + std::chrono::duration_cast<std::chrono::nanoseconds>(time_used).count(); + + return std::make_pair(reps * buf_len, ns_taken); } /** diff --git a/src/benchmark/benchmark.h b/src/benchmark/benchmark.h index 9c4e410f1..baabc14ca 100644 --- a/src/benchmark/benchmark.h +++ b/src/benchmark/benchmark.h @@ -1,6 +1,6 @@ /** * Runtime benchmarking -* (C) 2008 Jack Lloyd +* (C) 2008-2009 Jack Lloyd * * Distributed under the terms of the Botan license */ @@ -12,7 +12,6 @@ #include <botan/rng.h> #include <map> #include <string> - namespace Botan { /** |