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diff --git a/other-licenses/7zstub/src/CPP/7zip/UI/Common/Bench.h b/other-licenses/7zstub/src/CPP/7zip/UI/Common/Bench.h
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index 000000000..1990aab0d
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+++ b/other-licenses/7zstub/src/CPP/7zip/UI/Common/Bench.h
@@ -0,0 +1,72 @@
+// Bench.h
+
+#ifndef __7ZIP_BENCH_H
+#define __7ZIP_BENCH_H
+
+#include "../../../Windows/System.h"
+
+#include "../../Common/CreateCoder.h"
+#include "../../UI/Common/Property.h"
+
+struct CBenchInfo
+{
+ UInt64 GlobalTime;
+ UInt64 GlobalFreq;
+ UInt64 UserTime;
+ UInt64 UserFreq;
+ UInt64 UnpackSize;
+ UInt64 PackSize;
+ UInt64 NumIterations;
+
+ CBenchInfo(): NumIterations(0) {}
+ UInt64 GetUsage() const;
+ UInt64 GetRatingPerUsage(UInt64 rating) const;
+ UInt64 GetSpeed(UInt64 numCommands) const;
+};
+
+struct IBenchCallback
+{
+ virtual HRESULT SetFreq(bool showFreq, UInt64 cpuFreq) = 0;
+ virtual HRESULT SetEncodeResult(const CBenchInfo &info, bool final) = 0;
+ virtual HRESULT SetDecodeResult(const CBenchInfo &info, bool final) = 0;
+};
+
+UInt64 GetCompressRating(UInt32 dictSize, UInt64 elapsedTime, UInt64 freq, UInt64 size);
+UInt64 GetDecompressRating(UInt64 elapsedTime, UInt64 freq, UInt64 outSize, UInt64 inSize, UInt64 numIterations);
+
+const unsigned kBenchMinDicLogSize = 18;
+
+UInt64 GetBenchMemoryUsage(UInt32 numThreads, UInt32 dictionary, bool totalBench = false);
+
+struct IBenchPrintCallback
+{
+ virtual void Print(const char *s) = 0;
+ virtual void NewLine() = 0;
+ virtual HRESULT CheckBreak() = 0;
+};
+
+/*
+struct IBenchFreqCallback
+{
+ virtual void AddCpuFreq(UInt64 freq) = 0;
+};
+*/
+
+HRESULT Bench(
+ DECL_EXTERNAL_CODECS_LOC_VARS
+ IBenchPrintCallback *printCallback,
+ IBenchCallback *benchCallback,
+ // IBenchFreqCallback *freqCallback,
+ const CObjectVector<CProperty> &props,
+ UInt32 numIterations,
+ bool multiDict
+ );
+
+AString GetProcessThreadsInfo(const NWindows::NSystem::CProcessAffinity &ti);
+
+void GetSysInfo(AString &s1, AString &s2);
+void GetCpuName(AString &s);
+void GetCpuFeatures(AString &s);
+
+
+#endif