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// SPDX-License-Identifier: BSD-2-Clause
/* Copyright (C) 2014 - 2021 Intel Corporation. */
#include "perf_tests.hpp"
#include <cmath>
#include <gtest/gtest.h>
#include <iostream>
// Memkind performance tests
using std::abs;
using std::cout;
using std::endl;
using std::ostringstream;
// Memkind tests
class PerformanceTest: public testing::Test
{
protected:
const double Tolerance = 0.15;
const double Confidence = 0.10;
Metrics referenceMetrics;
Metrics performanceMetrics;
PerfTestCase<performance_tests::MallocOperation> referenceTest;
PerfTestCase<performance_tests::MemkindOperation> performanceTest;
template <class T>
static void RecordProperty(const string &key, const T value)
{
ostringstream values;
values << value;
testing::Test::RecordProperty(key, values.str());
}
void SetUp()
{}
void TearDown()
{}
bool checkDelta(double value, double reference, const string &info,
double delta, bool higherIsBetter = false)
{
// If higherIsBetter is true, current value should be >= (reference -
// delta); otherwise, it should be <= (reference + delta)
double threshold =
higherIsBetter ? reference * (1 - delta) : reference * (1 + delta);
cout << "Metric: " << info << ". Reference value: " << reference
<< ". "
"Expected: "
<< (higherIsBetter ? ">= " : "<= ") << threshold
<< " (delta = " << delta
<< ")."
"Actual: "
<< value << " (delta = "
<< ((value > reference ? (value / reference)
: (reference / value)) -
1.0) /
((higherIsBetter != (value > reference)) ? 1.0 : -1.0)
<< ")." << endl;
if (higherIsBetter ? (value <= threshold) : (value >= threshold)) {
cout << "WARNING : Value of '" << info
<< "' outside expected bounds!" << endl;
return false;
}
return true;
}
bool compareMetrics(Metrics metrics, Metrics reference, double delta)
{
bool result = true;
result &= checkDelta(metrics.operationsPerSecond,
reference.operationsPerSecond,
"operationsPerSecond", delta, true);
result &= checkDelta(metrics.avgOperationDuration,
reference.avgOperationDuration,
"avgOperationDuration", delta);
return result;
}
void writeMetrics(Metrics metrics, Metrics reference)
{
RecordProperty("ops_per_sec", metrics.operationsPerSecond);
RecordProperty(
"ops_per_sec_vs_ref",
(reference.operationsPerSecond - metrics.operationsPerSecond) *
100.0f / reference.operationsPerSecond);
RecordProperty("avg_op_time_nsec", metrics.avgOperationDuration);
RecordProperty(
"avg_op_time_nsec_vs_ref",
(metrics.avgOperationDuration - reference.avgOperationDuration) *
100.0f / reference.avgOperationDuration);
}
void run()
{
cout << "Running reference std::malloc test" << endl;
referenceMetrics = referenceTest.runTest();
cout << "Running memkind test" << endl;
performanceMetrics = performanceTest.runTest();
writeMetrics(performanceMetrics, referenceMetrics);
EXPECT_TRUE(compareMetrics(performanceMetrics, referenceMetrics,
Tolerance + Confidence));
}
};
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_single_op_single_iter)
{
referenceTest.setupTest_singleOpSingleIter();
performanceTest.setupTest_singleOpSingleIter();
run();
}
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_many_ops_single_iter)
{
referenceTest.setupTest_manyOpsSingleIter();
performanceTest.setupTest_manyOpsSingleIter();
run();
}
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_many_ops_single_iter_huge_alloc)
{
referenceTest.setupTest_manyOpsSingleIterHugeAlloc();
performanceTest.setupTest_manyOpsSingleIterHugeAlloc();
run();
}
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_single_op_many_iters)
{
referenceTest.setupTest_singleOpManyIters();
performanceTest.setupTest_singleOpManyIters();
run();
}
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_many_ops_many_iters)
{
referenceTest.setupTest_manyOpsManyIters();
performanceTest.setupTest_manyOpsManyIters();
run();
}
TEST_F(PerformanceTest, test_TC_MEMKIND_perf_many_ops_many_iters_many_kinds)
{
referenceTest.setupTest_manyOpsManyIters();
performanceTest.setupTest_manyOpsManyIters();
run();
}
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