Merge branch 'sha1bench'

ChaosBenches/BenchmarkMain.cpp

@@ -0,0 +1,3 @@
+#include <benchmark/benchmark.h>
+
+BENCHMARK_MAIN();

ChaosBenches/CMakeLists.txt

@@ -12,7 +12,10 @@ set(BENCHMARK_ENABLE_WERROR OFF CACHE BOOL "" FORCE)
 set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
 FetchContent_MakeAvailable(googlebenchmark)
 
-set(ChaosBenches_SOURCE Hash/Md4HasherBenches.cpp)
+set(ChaosBenches_SOURCE BenchmarkMain.cpp
+                        Hash/Md4HasherBenches.cpp
+                        Hash/Md5HasherBenches.cpp
+                        Hash/Sha1HasherBenches.cpp)
 
 add_executable(ChaosBenches ${ChaosBenches_SOURCE})
 target_link_libraries(ChaosBenches benchmark::benchmark)

ChaosBenches/Hash/Md4HasherBenches.cpp

@@ -5,27 +5,61 @@
 
 using namespace Chaos::Hash::Md4;
 
-static void Md4HasherCreateComputeDeleteBench(benchmark::State & state)
+static const char * DATA_BEGIN
-{
-    const char * data
     = "All states, all powers, that have held and hold rule over men have been and are either republics or principalities.\n"
       "Principalities are either hereditary, in which the family has been long established; or they are new.\n"
       "The new are either entirely new, as was Milan to Francesco Sforza, or they are, as it were, members annexed to the hereditary state of the "
       "prince who has acquired them, as was the kingdom of Naples to that of the King of Spain.\n"
       "Such dominions thus acquired are either accustomed to live under a prince, or to live in freedom; and are acquired either by the arms of the "
       "prince himself, or of others, or else by fortune or by ability.";
-    const size_t dataLen = strlen(data);
+static const size_t DATA_LEN = strlen(DATA_BEGIN);
+static const char * DATA_END = DATA_BEGIN + DATA_LEN;
 
+static void Md4Hasher_CreateComputeDeleteBench(benchmark::State & state)
+{
     for (auto _ : state)
     {
         Md4Hasher hasher;
-        hasher.Update(data, data + dataLen);
+        hasher.Update(DATA_BEGIN, DATA_END);
         Md4Hash result = hasher.Finish();
 
         benchmark::DoNotOptimize(result);
     }
 }
 
-BENCHMARK(Md4HasherCreateComputeDeleteBench);
+BENCHMARK(Md4Hasher_CreateComputeDeleteBench);
 
-BENCHMARK_MAIN();
+static void Md4Hasher_ReuseBench(benchmark::State & state)
+{
+    Md4Hasher hasher;
+
+    for (auto _ : state)
+    {
+        hasher.Reset();
+        hasher.Update(DATA_BEGIN, DATA_END);
+        Md4Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md4Hasher_ReuseBench);
+
+static void Md4Hasher_PartialUpdate100Bench(benchmark::State & state)
+{
+    for (auto _ : state)
+    {
+        Md4Hasher hasher;
+
+        for (int i = 0; i < 100; ++i)
+        {
+            hasher.Update(DATA_BEGIN, DATA_END);
+        }
+
+        Md4Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md4Hasher_PartialUpdate100Bench);

ChaosBenches/Hash/Md5HasherBenches.cpp

@@ -0,0 +1,65 @@
+#include <benchmark/benchmark.h>
+#include <cstring>
+
+#include <Hash/Md5.hpp>
+
+using namespace Chaos::Hash::Md5;
+
+static const char * DATA_BEGIN
+    = "All states, all powers, that have held and hold rule over men have been and are either republics or principalities.\n"
+      "Principalities are either hereditary, in which the family has been long established; or they are new.\n"
+      "The new are either entirely new, as was Milan to Francesco Sforza, or they are, as it were, members annexed to the hereditary state of the "
+      "prince who has acquired them, as was the kingdom of Naples to that of the King of Spain.\n"
+      "Such dominions thus acquired are either accustomed to live under a prince, or to live in freedom; and are acquired either by the arms of the "
+      "prince himself, or of others, or else by fortune or by ability.";
+static const size_t DATA_LEN = strlen(DATA_BEGIN);
+static const char * DATA_END = DATA_BEGIN + DATA_LEN;
+
+static void Md5Hasher_CreateComputeDeleteBench(benchmark::State & state)
+{
+    for (auto _ : state)
+    {
+        Md5Hasher hasher;
+        hasher.Update(DATA_BEGIN, DATA_END);
+        Md5Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md5Hasher_CreateComputeDeleteBench);
+
+static void Md5Hasher_ReuseBench(benchmark::State & state)
+{
+    Md5Hasher hasher;
+
+    for (auto _ : state)
+    {
+        hasher.Reset();
+        hasher.Update(DATA_BEGIN, DATA_END);
+        Md5Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md5Hasher_ReuseBench);
+
+static void Md5Hasher_PartialUpdate100Bench(benchmark::State & state)
+{
+    for (auto _ : state)
+    {
+        Md5Hasher hasher;
+
+        for (int i = 0; i < 100; ++i)
+        {
+            hasher.Update(DATA_BEGIN, DATA_END);
+        }
+
+        Md5Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Md5Hasher_PartialUpdate100Bench);

ChaosBenches/Hash/Sha1HasherBenches.cpp

@@ -0,0 +1,65 @@
+#include <benchmark/benchmark.h>
+#include <cstring>
+
+#include <Hash/Sha1.hpp>
+
+using namespace Chaos::Hash::Sha1;
+
+static const char * DATA_BEGIN
+    = "All states, all powers, that have held and hold rule over men have been and are either republics or principalities.\n"
+      "Principalities are either hereditary, in which the family has been long established; or they are new.\n"
+      "The new are either entirely new, as was Milan to Francesco Sforza, or they are, as it were, members annexed to the hereditary state of the "
+      "prince who has acquired them, as was the kingdom of Naples to that of the King of Spain.\n"
+      "Such dominions thus acquired are either accustomed to live under a prince, or to live in freedom; and are acquired either by the arms of the "
+      "prince himself, or of others, or else by fortune or by ability.";
+static const size_t DATA_LEN = strlen(DATA_BEGIN);
+static const char * DATA_END = DATA_BEGIN + DATA_LEN;
+
+static void Sha1Hasher_CreateComputeDeleteBench(benchmark::State & state)
+{
+    for (auto _ : state)
+    {
+        Sha1Hasher hasher;
+        hasher.Update(DATA_BEGIN, DATA_END);
+        Sha1Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Sha1Hasher_CreateComputeDeleteBench);
+
+static void Sha1Hasher_ReuseBench(benchmark::State & state)
+{
+    Sha1Hasher hasher;
+
+    for (auto _ : state)
+    {
+        hasher.Reset();
+        hasher.Update(DATA_BEGIN, DATA_END);
+        Sha1Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Sha1Hasher_ReuseBench);
+
+static void Sha1Hasher_PartialUpdate100Bench(benchmark::State & state)
+{
+    for (auto _ : state)
+    {
+        Sha1Hasher hasher;
+
+        for (int i = 0; i < 100; ++i)
+        {
+            hasher.Update(DATA_BEGIN, DATA_END);
+        }
+
+        Sha1Hash result = hasher.Finish();
+
+        benchmark::DoNotOptimize(result);
+    }
+}
+
+BENCHMARK(Sha1Hasher_PartialUpdate100Bench);