Added scratchpad entropy test

2019-05-03 16:57:33 +02:00 · 2019-05-03 16:57:33 +02:00 · b62b1f8717
parent cb3d57376f
commit b62b1f8717
5 changed files with 214 additions and 0 deletions
--- a/randomx.sln
+++ b/randomx.sln
@ -21,6 +21,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "api-example2", "vcxproj\api
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "code-generator", "vcxproj\code-generator.vcxproj", "{3E490DEC-1874-43AA-92DA-1AC57C217EAC}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "scratchpad-entropy", "vcxproj\scratchpad-entropy.vcxproj", "{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@ -93,6 +95,14 @@ Global
 		{3E490DEC-1874-43AA-92DA-1AC57C217EAC}.Release|x64.Build.0 = Release|x64
 		{3E490DEC-1874-43AA-92DA-1AC57C217EAC}.Release|x86.ActiveCfg = Release|Win32
 		{3E490DEC-1874-43AA-92DA-1AC57C217EAC}.Release|x86.Build.0 = Release|Win32
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Debug|x64.ActiveCfg = Debug|x64
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Debug|x64.Build.0 = Debug|x64
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Debug|x86.ActiveCfg = Debug|Win32
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Debug|x86.Build.0 = Debug|Win32
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Release|x64.ActiveCfg = Release|x64
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Release|x64.Build.0 = Release|x64
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Release|x86.ActiveCfg = Release|Win32
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@ -105,6 +115,7 @@ Global
 		{83EA3E54-5D91-4E01-8EF6-C1E718334F83} = {4A4A689F-86AF-41C0-A974-1080506D0923}
 		{44947B9C-E6B1-4C06-BD01-F8EF43B59223} = {4A4A689F-86AF-41C0-A974-1080506D0923}
 		{3E490DEC-1874-43AA-92DA-1AC57C217EAC} = {4A4A689F-86AF-41C0-A974-1080506D0923}
+		{FF8BD408-AFD8-43C6-BE98-4D03B37E840B} = {4A4A689F-86AF-41C0-A974-1080506D0923}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {4EBC03DB-AE37-4141-8147-692F16E0ED02}
--- a/src/tests/scratchpad-entropy.cpp
+++ b/src/tests/scratchpad-entropy.cpp
@ -0,0 +1,50 @@
+#include <string>
+#include <iostream>
+#include "utility.hpp"
+#include "../randomx.h"
+#include "../virtual_machine.hpp"
+#include "../blake2/endian.h"
+
+/*
+	Writes final scratchpads to disk as files with .spad extension, each file is 2048 KiB.
+	Command line parameters:
+		--count N         number of files to generate (default = 1)
+		--seed S          different seed will give different outputs (default = 0)
+
+	Entropy can be estimated by compressing the files using 7zip in Ultra mode:
+
+	    7z.exe a -t7z -m0=lzma2 -mx=9 scratchpads.7z *.spad
+*/
+
+int main(int argc, char** argv) {
+	int count, seedValue;
+
+	readIntOption("--count", argc, argv, count, 1);
+	readIntOption("--seed", argc, argv, seedValue, 0);
+
+	std::cout << "Generating " << count << " scratchpad(s) using seed " << seedValue << " ..." << std::endl;
+
+	char seed[4];
+	char input[4];
+	char hash[RANDOMX_HASH_SIZE];
+
+	store32(&seed, seedValue);
+
+	randomx_cache *cache = randomx_alloc_cache(RANDOMX_FLAG_DEFAULT);
+	randomx_init_cache(cache, &seed, sizeof seed);
+	randomx_vm *vm = randomx_create_vm(RANDOMX_FLAG_DEFAULT, cache, NULL);
+
+	for (int i = 0; i < count; ++i) {
+		store32(&input, i);
+		randomx_calculate_hash(vm, &input, sizeof input, hash);
+		std::string filename("test-");
+		filename += std::to_string(i);
+		filename += ".spad";
+		dump((const char*)vm->getScratchpad(), randomx::ScratchpadSize, filename.c_str());
+	}
+
+	randomx_destroy_vm(vm);
+	randomx_release_cache(cache);
+
+	return 0;
+}
--- a/src/virtual_machine.hpp
+++ b/src/virtual_machine.hpp
@ -37,6 +37,9 @@ public:
 	randomx::RegisterFile *getRegisterFile() {
 		return &reg;
 	}
+	const void* getScratchpad() {
+		return scratchpad;
+	}
 protected:
 	void initialize();
 	alignas(64) randomx::Program program;
--- a/vcxproj/scratchpad-entropy.vcxproj
+++ b/vcxproj/scratchpad-entropy.vcxproj
@ -0,0 +1,128 @@
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+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
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+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
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+    <ProjectConfiguration Include="Debug|x64">
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+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
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+    <VCProjectVersion>15.0</VCProjectVersion>
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+    <ProjectReference Include="randomx.vcxproj">
+      <Project>{3346a4ad-c438-4324-8b77-47a16452954b}</Project>
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--- a/vcxproj/scratchpad-entropy.vcxproj.filters
+++ b/vcxproj/scratchpad-entropy.vcxproj.filters
@ -0,0 +1,22 @@
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