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allow specifying initialization and cleanup functions for benchmarks

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56359 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2008-10-16 12:34:47 +00:00
parent 04021d6fac
commit fa8825a01d
2 changed files with 32 additions and 8 deletions
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9
tests/benchmarks/bench.cpp
View File

@ -254,8 +254,8 @@ int BenchApp::OnRun()
long timeMin = LONG_MAX,
timeMax = 0,
timeTotal = 0;
bool ok = true;
for ( long a = 0; a < m_avgCount; a++ )
bool ok = func->Init();
for ( long a = 0; ok && a < m_avgCount; a++ )
{
wxStopWatch sw;
for ( long n = 0; n < m_numRuns && ok; n++ )
@ -265,9 +265,6 @@ int BenchApp::OnRun()
sw.Pause();
if ( !ok )
break;
const long t = sw.Time();
if ( t < timeMin )
timeMin = t;
@ -276,6 +273,8 @@ int BenchApp::OnRun()
timeTotal += t;
}
func->Done();
if ( !ok )
{
wxPrintf("ERROR\n");

31
tests/benchmarks/bench.h
View File

@ -25,12 +25,19 @@ namespace Bench
class Function
{
public:
typedef bool (*Type)();
typedef bool (*InitType)();
typedef bool (*FuncType)();
typedef void (*DoneType)();
/// Ctor is used implicitly by BENCHMARK_FUNC().
Function(const char *name, Type func)
Function(const char *name,
FuncType func,
InitType init = NULL,
DoneType done = NULL)
: m_name(name),
m_func(func),
m_init(init),
m_done(done),
m_next(ms_head)
{
ms_head = this;
@ -39,9 +46,14 @@ public:
/// Get the name of this function
const char *GetName() const { return m_name; }
/// Perform once-only initialization prior to Run().
bool Init() { return m_init ? (*m_init)() : true; }
/// Run the function, return its return value.
bool Run() { return (*m_func)(); }
/// Clean up after performing the benchmark.
void Done() { if ( m_done ) (*m_done)(); }
/// Get the head of the linked list of benchmark objects
static Function *GetFirst() { return ms_head; }
@ -55,7 +67,9 @@ private:
// name of and pointer to the function, as passed to the ctor
const char * const m_name;
const Type m_func;
const FuncType m_func;
const InitType m_init;
const DoneType m_done;
// pointer to the next object in the linked list or NULL
Function * const m_next;
@ -98,4 +112,15 @@ wxString GetStringParameter();
static Bench::Function wxMAKE_UNIQUE_NAME(name)(#name, name); \
bool name()
/**
Define a benchmark function requiring initialization and shutdown.
This macro is similar to BENCHMARK_FUNC() but ensures that @a init is
called before the benchmark is ran and @a done afterwards.
*/
#define BENCHMARK_FUNC_WITH_INIT(name, init, done) \
static bool name(); \
static Bench::Function wxMAKE_UNIQUE_NAME(name)(#name, name, init, done); \
bool name()
#endif // _WX_TESTS_BENCHMARKS_BENCH_H_