Add test for measuring speed of K12

test/kangaroo_twelve.cpp

@@ -0,0 +1,37 @@
+#define NO_UEFI
+
+#include "../src/kangaroo_twelve.h"
+
+#include "gtest/gtest.h"
+
+#include <chrono>
+
+
+TEST(TestCoreK12, PerformanceDigest32Of1GB)
+{
+    constexpr size_t bytesPerGigaByte = 1024 * 1024 * 1024;
+    constexpr size_t repN = 1;
+    constexpr size_t inputN = bytesPerGigaByte;
+    constexpr size_t outputN = 32;
+
+    char* inputPtr = new char[inputN];
+    for (size_t i = 0; i < 100; ++i)
+    {
+        unsigned int pos, val;
+        _rdrand32_step(&pos);
+        _rdrand32_step(&val);
+        inputPtr[pos % inputN] = val & 0xff;
+    }
+    char outputArray[outputN];
+
+    auto startTime = std::chrono::high_resolution_clock::now();
+    for (size_t i = 0; i < repN; ++i)
+        KangarooTwelve(inputPtr, inputN, outputArray, outputN);
+    auto durationMilliSec = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - startTime);
+
+    double bytePerMilliSec = double(repN * inputN) / double(durationMilliSec.count());
+    double gigaBytePerSec = bytePerMilliSec * (1000.0 / bytesPerGigaByte);
+    std::cout << "K12 of 1 GB to 32 Byte digest: " << gigaBytePerSec << " GB/sec = " << 1.0 / gigaBytePerSec << " sec/GB" << std::endl;
+
+    delete [] inputPtr;
+}

test/test.vcxproj

@@ -75,7 +75,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="contract_core.cpp" />
-    <ClCompile Include="qpi_collection.cpp" />
+    <ClCompile Include="kangaroo_twelve.cpp" />
     <ClCompile Include="spectrum.cpp" />
     <ClCompile Include="stdlib_impl.cpp" />
     <ClCompile Include="tx_status_request.cpp" />

test/test.vcxproj.filters

@@ -15,6 +15,7 @@
     <ClCompile Include="qpi_collection.cpp" />
     <ClCompile Include="spectrum.cpp" />
     <ClCompile Include="stdlib_impl.cpp" />
+    <ClCompile Include="kangaroo_twelve.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="score_reference.h" />