aboutsummaryrefslogtreecommitdiff
path: root/benchmark/source/EASTLBenchmark.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'benchmark/source/EASTLBenchmark.cpp')
-rw-r--r--benchmark/source/EASTLBenchmark.cpp291
1 files changed, 0 insertions, 291 deletions
diff --git a/benchmark/source/EASTLBenchmark.cpp b/benchmark/source/EASTLBenchmark.cpp
deleted file mode 100644
index 8e4d3ae..0000000
--- a/benchmark/source/EASTLBenchmark.cpp
+++ /dev/null
@@ -1,291 +0,0 @@
-/////////////////////////////////////////////////////////////////////////////
-// Copyright (c) Electronic Arts Inc. All rights reserved.
-/////////////////////////////////////////////////////////////////////////////
-
-
-#include "EASTLBenchmark.h"
-#include "EASTLTest.h"
-#include <EASTL/string.h>
-#include <EAMain/EAMain.h>
-
-#ifdef _MSC_VER
- #pragma warning(push, 0)
-#endif
-#include <stdio.h>
-#include <math.h>
-#include <float.h>
-#ifdef _MSC_VER
- #pragma warning(pop)
-#endif
-
-
-
-namespace Benchmark
-{
- static int64_t ConvertStopwatchUnits(EA::StdC::Stopwatch::Units unitsSource, int64_t valueSource, EA::StdC::Stopwatch::Units unitsDest)
- {
- using namespace EA::StdC;
-
- int64_t valueDest = valueSource;
-
- if(unitsSource != unitsDest)
- {
- double sourceMultiplier;
-
- switch (unitsSource)
- {
- case Stopwatch::kUnitsCPUCycles:
- sourceMultiplier = Stopwatch::GetUnitsPerCPUCycle(unitsDest); // This will typically be a number less than 1.
- valueDest = (int64_t)(valueSource * sourceMultiplier);
- break;
-
- case Stopwatch::kUnitsCycles:
- sourceMultiplier = Stopwatch::GetUnitsPerStopwatchCycle(unitsDest); // This will typically be a number less than 1.
- valueDest = (int64_t)(valueSource * sourceMultiplier);
- break;
-
- case Stopwatch::kUnitsNanoseconds:
- case Stopwatch::kUnitsMicroseconds:
- case Stopwatch::kUnitsMilliseconds:
- case Stopwatch::kUnitsSeconds:
- case Stopwatch::kUnitsMinutes:
- case Stopwatch::kUnitsUserDefined:
- // To do. Also, handle the case of unitsDest being Cycles or CPUCycles and unitsSource being a time.
- break;
- }
- }
-
- return valueDest;
- }
-
- void WriteTime(int64_t timeNS, eastl::string& sTime)
- {
- if(timeNS > 1000000000)
- sTime.sprintf(" %6.2f s", (double)timeNS / 1000000000);
- else if(timeNS > 1000000)
- sTime.sprintf("%6.1f ms", (double)timeNS / 1000000);
- else if(timeNS > 1000)
- sTime.sprintf("%6.1f us", (double)timeNS / 1000);
- else
- sTime.sprintf("%6.1f ns", (double)timeNS / 1);
- }
-
-
-
- Environment gEnvironment;
-
- Environment& GetEnvironment()
- {
- return gEnvironment;
- }
-
-
-
- ResultSet gResultSet;
-
- ResultSet& GetResultSet()
- {
- return gResultSet;
- }
-
-
-
- // Scratch sprintf buffer
- char gScratchBuffer[1024];
-
-
- void DoNothing(...)
- {
- // Intentionally nothing.
- }
-
-
- void AddResult(const char* pName, int units, int64_t nTime1, int64_t nTime2, const char* pNotes)
- {
- Result result;
-
- result.msName = pName;
- result.mUnits = units;
- result.mTime1 = nTime1;
- result.mTime1NS = ConvertStopwatchUnits((EA::StdC::Stopwatch::Units)units, nTime1, EA::StdC::Stopwatch::kUnitsNanoseconds);
- result.mTime2 = nTime2;
- result.mTime2NS = ConvertStopwatchUnits((EA::StdC::Stopwatch::Units)units, nTime2, EA::StdC::Stopwatch::kUnitsNanoseconds);
-
- if(pNotes)
- result.msNotes = pNotes;
-
- gResultSet.insert(result);
- }
-
-
- void PrintResultLine(const Result& result)
- {
- const double fRatio = (double)result.mTime1 / (double)result.mTime2;
- const double fRatioPrinted = (fRatio > 100) ? 100 : fRatio;
- const double fPercentChange = fabs(((double)result.mTime1 - (double)result.mTime2) / (((double)result.mTime1 + (double)result.mTime2) / 2));
- const bool bDifference = (result.mTime1 > 10) && (result.mTime2 > 10) && (fPercentChange > 0.25);
- const char* pDifference = (bDifference ? (result.mTime1 < result.mTime2 ? "-" : "+") : "");
-
- eastl::string sClockTime1, sClockTime2;
-
- WriteTime(result.mTime1NS, sClockTime1); // This converts an integer in nanoseconds (e.g. 23400000) to a string (e.g. "23.4 ms")
- WriteTime(result.mTime2NS, sClockTime2);
-
- EA::UnitTest::Report("%-43s | %13" PRIu64 " %s | %13" PRIu64 " %s | %10.2f%10s", result.msName.c_str(), result.mTime1, sClockTime1.c_str(), result.mTime2, sClockTime2.c_str(), fRatioPrinted, pDifference);
-
- if(result.msNotes.length()) // If there are any notes...
- EA::UnitTest::Report(" %s", result.msNotes.c_str());
- EA::UnitTest::Report("\n");
- }
-
-
- #if defined(EASTL_BENCHMARK_WRITE_FILE) && EASTL_BENCHMARK_WRITE_FILE
-
- #if !defined(EASTL_BENCHMARK_WRITE_FILE_PATH)
- #define EASTL_BENCHMARK_WRITE_FILE_PATH "BenchmarkResults.txt"
- #endif
-
- struct FileWriter
- {
- FILE* mpReportFile;
- EA::EAMain::ReportFunction mpSavedReportFunction;
- static FileWriter* gpFileWriter;
-
- static void StaticPrintfReportFunction(const char8_t* pText)
- {
- if(gpFileWriter)
- gpFileWriter->PrintfReportFunction(pText);
- }
-
- void PrintfReportFunction(const char8_t* pText)
- {
- fwrite(pText, strlen(pText), 1, mpReportFile);
- EA::EAMain::ReportFunction gpReportFunction = EA::EAMain::GetDefaultReportFunction();
- gpReportFunction(pText);
- }
-
- FileWriter() : mpReportFile(NULL), mpSavedReportFunction(NULL)
- {
- mpReportFile = fopen(EASTL_BENCHMARK_WRITE_FILE_PATH, "w+");
-
- if(mpReportFile)
- {
- gpFileWriter = this;
- mpSavedReportFunction = EA::EAMain::GetDefaultReportFunction();
- EA::EAMain::SetReportFunction(StaticPrintfReportFunction);
- }
- }
-
- ~FileWriter()
- {
- if(mpReportFile)
- {
- gpFileWriter = NULL;
- EA::EAMain::SetReportFunction(mpSavedReportFunction);
- fclose(mpReportFile);
- }
- }
- };
-
- FileWriter* FileWriter::gpFileWriter = NULL;
- #endif
-
-
- void PrintResults()
- {
- #if defined(EASTL_BENCHMARK_WRITE_FILE) && EASTL_BENCHMARK_WRITE_FILE
- FileWriter fileWriter; // This will auto-execute.
- #endif
-
- // Print the results
- EA::UnitTest::Report("\n");
- EA::UnitTest::Report("****************************************************************************************\n");
- EA::UnitTest::Report("EASTL Benchmark test results\n");
- EA::UnitTest::Report("****************************************************************************************\n");
- EA::UnitTest::Report("\n");
- EA::UnitTest::Report("EASTL version: %s\n", EASTL_VERSION);
- EA::UnitTest::Report("Platform: %s\n", gEnvironment.msPlatform.c_str());
- EA::UnitTest::Report("Compiler: %s\n", EA_COMPILER_STRING);
- #if defined(EA_DEBUG) || defined(_DEBUG)
- EA::UnitTest::Report("Allocator: PPMalloc::GeneralAllocatorDebug. Thread safety enabled.\n");
- EA::UnitTest::Report("Build: Debug. Inlining disabled. STL debug features disabled.\n");
- #else
- EA::UnitTest::Report("Allocator: PPMalloc::GeneralAllocator. Thread safety enabled.\n");
- EA::UnitTest::Report("Build: Full optimization. Inlining enabled.\n");
- #endif
- EA::UnitTest::Report("\n");
- EA::UnitTest::Report("Values are ticks and time to complete tests; smaller values are better.\n");
- EA::UnitTest::Report("\n");
- EA::UnitTest::Report("%-43s%26s%26s%13s%13s\n", "Test", gEnvironment.msSTLName1.c_str(), gEnvironment.msSTLName2.c_str(), "Ratio", "Difference?");
- EA::UnitTest::Report("---------------------------------------------------------------------------------------------------------------------\n");
-
- eastl::string sTestTypeLast;
- eastl::string sTestTypeTemp;
-
- for(ResultSet::iterator it = gResultSet.begin(); it != gResultSet.end(); ++it)
- {
- const Result& result = *it;
-
- eastl_size_t n = result.msName.find('/');
- if(n == eastl::string::npos)
- n = result.msName.length();
- sTestTypeTemp.assign(result.msName, 0, n);
-
- if(sTestTypeTemp != sTestTypeLast) // If it looks like we are changing to a new test type... add an empty line to help readability.
- {
- if(it != gResultSet.begin())
- EA::UnitTest::Report("\n");
- sTestTypeLast = sTestTypeTemp;
- }
-
- PrintResultLine(result);
- }
-
- // We will print out a final line that has the sum of the rows printed above.
- Result resultSum;
- resultSum.msName = "sum";
-
- for(ResultSet::iterator its = gResultSet.begin(); its != gResultSet.end(); ++its)
- {
- const Result& resultTemp = *its;
-
- EASTL_ASSERT(resultTemp.mUnits == EA::StdC::Stopwatch::kUnitsCPUCycles); // Our ConvertStopwatchUnits call below assumes that every measured time is CPUCycles.
- resultSum.mTime1 += resultTemp.mTime1;
- resultSum.mTime2 += resultTemp.mTime2;
- }
-
- // We do this convert as a final step instead of the loop in order to avoid loss of precision.
- resultSum.mTime1NS = ConvertStopwatchUnits(EA::StdC::Stopwatch::kUnitsCPUCycles, resultSum.mTime1, EA::StdC::Stopwatch::kUnitsNanoseconds);
- resultSum.mTime2NS = ConvertStopwatchUnits(EA::StdC::Stopwatch::kUnitsCPUCycles, resultSum.mTime2, EA::StdC::Stopwatch::kUnitsNanoseconds);
- EA::UnitTest::Report("\n");
- PrintResultLine(resultSum);
-
- EA::UnitTest::Report("\n");
- EA::UnitTest::Report("****************************************************************************************\n");
- EA::UnitTest::Report("\n");
-
- // Clear the results
- gResultSet.clear();
- gEnvironment.clear();
- }
-
-} // namespace Benchmark
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Powered by cgit, Themed by Ted Yin.