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program TestMTP1;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}
cthreads, cmem,
{$ENDIF}
Math, SysUtils, Classes, MTProcs, MTPUtils, MultiThreadProcsLaz;
type
{ TTestItem }
TTestItem = class
private
FIndex: int64;
public
property Index: int64 read FIndex;
constructor Create(NewIndex: int64);
end;
{ TTests }
TTests = class
public
procedure Work(Seconds: integer);
// RTLeventSetEvent, RTLeventWaitFor
procedure TestRTLevent_Set_WaitFor;
// single thread test
procedure TestSingleThread;
procedure MTPLoop_TestSingleThread(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// two threads test: run once
procedure TestTwoThreads1;
procedure MTPLoop_TestTwoThreads1(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// 0 runs two seconds,
// 1 runs a second then waits for 0 then runs a second
// 2 runs a second then waits for 1
// 3 waits for 0
// 4 waits for 1
// 5 waits for 2
procedure TestMTPWaitForIndex;
procedure MTPLoop_TestMTPWaitForIndex(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// two threads test: various run times
procedure TestMTPTwoThreads2;
procedure MTPLoop_TestTwoThreads2(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// test exception in starter thread
procedure TestMTPExceptionInStarterThread;
procedure MTPLoop_TestExceptionInStarterThread(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// test exception in helper thread
procedure TestMTPExceptionInHelperThread;
procedure MTPLoop_TestExceptionInHelperThread(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// test parallel sort
procedure TestMTPSort;
procedure MTPLoop_TestDoubleMTPSort(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
end;
{ TTestItem }
constructor TTestItem.Create(NewIndex: int64);
begin
FIndex:=NewIndex;
end;
{ TTests }
procedure TTests.Work(Seconds: integer);
var
Start: TDateTime;
begin
Start:=Now;
while (Now-Start)*86400<Seconds do if GetCurrentDir='' then ;
end;
procedure TTests.TestRTLevent_Set_WaitFor;
var
e: PRTLEvent;
begin
e:=RTLEventCreate;
RTLeventSetEvent(e);
RTLeventWaitFor(e);
RTLeventdestroy(e);
end;
procedure TTests.TestSingleThread;
begin
ProcThreadPool.DoParallel(@MTPLoop_TestSingleThread,1,3,nil,1);
end;
procedure TTests.MTPLoop_TestSingleThread(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
begin
writeln('TTests.MTPLoop_TestSingleThread Index=',Index);
end;
procedure TTests.TestTwoThreads1;
begin
WriteLn('TTests.TestTwoThreads1 START');
ProcThreadPool.DoParallel(@MTPLoop_TestTwoThreads1,1,2,nil,2);
WriteLn('TTests.TestTwoThreads1 END');
end;
procedure TTests.MTPLoop_TestTwoThreads1(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
var
i: Integer;
begin
for i:=1 to 3 do begin
WriteLn('TTests.MTPLoop_TestTwoThreads1 Index=',Index,' ',i);
Work(1);
end;
end;
procedure TTests.TestMTPWaitForIndex;
var
IndexStates: PInteger;
begin
ProcThreadPool.MaxThreadCount:=8;
IndexStates:=nil;
GetMem(IndexStates,SizeOf(Integer)*10);
FillByte(IndexStates^,SizeOf(Integer)*10,0);
WriteLn('TTests.TestMTPWaitForIndex START');
ProcThreadPool.DoParallel(@MTPLoop_TestMTPWaitForIndex,0,5,IndexStates);
FreeMem(IndexStates);
WriteLn('TTests.TestMTPWaitForIndex END');
end;
procedure TTests.MTPLoop_TestMTPWaitForIndex(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
// 0 runs two seconds,
// 1 runs a second then waits for 0 then runs a second
// 2 runs a second then waits for 1
// 3 waits for 0
// 4 waits for 1
// 5 waits for 2
procedure WaitFor(OtherIndex: PtrInt);
begin
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' waiting for '+IntToStr(OtherIndex)+' ...');
Item.WaitForIndex(OtherIndex);
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' waited for '+IntToStr(OtherIndex)+'. working ...');
if PInteger(Data)[OtherIndex]<>2 then begin
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' ERROR: waited for '+IntToStr(OtherIndex)+' failed: OtherState='+IntToStr(PInteger(Data)[OtherIndex]));
end;
end;
begin
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' START');
if PInteger(Data)[Index]<>0 then begin
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' ERROR: IndexState='+IntToStr(PInteger(Data)[Index]));
end;
PInteger(Data)[Index]:=1;
case Index of
0: Work(2);
1:begin
Work(1);
WaitFor(0);
Work(1);
end;
2:begin
Work(1);
WaitFor(1);
end;
3:begin
WaitFor(0);
end;
4:begin
WaitFor(1);
end;
5:begin
WaitFor(2);
end;
end;
WriteLn('TTests.MTPLoop_TestMTPWaitForIndex Index='+IntToStr(Index)+' END');
PInteger(Data)[Index]:=2;
end;
procedure TTests.TestMTPTwoThreads2;
begin
WriteLn('TTests.TestMTPTwoThreads1 START');
ProcThreadPool.DoParallel(@MTPLoop_TestTwoThreads2,1,6,nil,2);
WriteLn('TTests.TestMTPTwoThreads1 END');
end;
procedure TTests.MTPLoop_TestTwoThreads2(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
var
i: Integer;
begin
for i:=1 to (Index mod 3)+1 do begin
WriteLn('TTests.MTPLoop_TestTwoThreads1 Index=',Index,' i=',i,' ID=',PtrUint(GetThreadID));
Work(1);
end;
end;
type
TMyException = class(Exception);
procedure TTests.TestMTPExceptionInStarterThread;
var
IndexStates: PInteger;
begin
WriteLn('TTests.TestMTPExceptionInStarterThread START');
ProcThreadPool.MaxThreadCount:=8;
IndexStates:=nil;
GetMem(IndexStates,SizeOf(Integer)*10);
FillByte(IndexStates^,SizeOf(Integer)*10,0);
try
ProcThreadPool.DoParallel(@MTPLoop_TestExceptionInStarterThread,1,3,IndexStates,2);
except
on E: Exception do begin
WriteLn('TTests.TestMTPExceptionInHelperThread E.ClassName=',E.ClassName,' E.Message=',E.Message);
end;
end;
FreeMem(IndexStates);
WriteLn('TTests.TestMTPExceptionInStarterThread END');
end;
procedure TTests.MTPLoop_TestExceptionInStarterThread(Index: PtrInt;
Data: Pointer; Item: TMultiThreadProcItem);
begin
WriteLn('TTests.MTPLoop_TestExceptionInStarterThread START Index='+IntToStr(Index));
if PInteger(Data)[Index]<>0 then
WriteLn('TTests.MTPLoop_TestExceptionInStarterThread Index='+IntToStr(Index)+' ERROR: IndexState='+IntToStr(PInteger(Data)[Index]));
PInteger(Data)[Index]:=1;
case Index of
1:
begin
// Main Thread
Work(1);
WriteLn('TTests.MTPLoop_TestExceptionInStarterThread raising exception in Index='+IntToStr(Index)+' ...');
raise Exception.Create('Exception in starter thread');
end;
else
Work(Index);
end;
PInteger(Data)[Index]:=2;
WriteLn('TTests.MTPLoop_TestExceptionInStarterThread END Index='+IntToStr(Index));
end;
procedure TTests.TestMTPExceptionInHelperThread;
var
IndexStates: PInteger;
begin
WriteLn('TTests.TestMTPExceptionInHelperThread START');
ProcThreadPool.MaxThreadCount:=8;
IndexStates:=nil;
GetMem(IndexStates,SizeOf(Integer)*10);
FillByte(IndexStates^,SizeOf(Integer)*10,0);
try
ProcThreadPool.DoParallel(@MTPLoop_TestExceptionInHelperThread,1,3,IndexStates,2);
except
on E: Exception do begin
WriteLn('TTests.TestMTPExceptionInHelperThread E.ClassName=',E.ClassName,' E.Message=',E.Message);
end;
end;
FreeMem(IndexStates);
WriteLn('TTests.TestMTPExceptionInHelperThread END');
end;
procedure TTests.MTPLoop_TestExceptionInHelperThread(Index: PtrInt;
Data: Pointer; Item: TMultiThreadProcItem);
begin
WriteLn('TTests.MTPLoop_TestExceptionInHelperThread START Index='+IntToStr(Index));
if PInteger(Data)[Index]<>0 then
WriteLn('TTests.MTPLoop_TestExceptionInHelperThread Index='+IntToStr(Index)+' ERROR: IndexState='+IntToStr(PInteger(Data)[Index]));
PInteger(Data)[Index]:=1;
case Index of
2:
begin
// Helper Thread 2
Work(1);
WriteLn('TTests.MTPLoop_TestExceptionInHelperThread raising exception in Index='+IntToStr(Index)+' ...');
raise TMyException.Create('Exception in helper thread');
end;
else
Work(Index+1);
end;
PInteger(Data)[Index]:=2;
WriteLn('TTests.MTPLoop_TestExceptionInHelperThread END Index='+IntToStr(Index));
end;
function CompareTestItems(Data1, Data2: Pointer): integer;
begin
if TTestItem(Data1).Index>TTestItem(Data2).Index then
Result:=1
else if TTestItem(Data1).Index<TTestItem(Data2).Index then
Result:=-1
else
Result:=0;
end;
procedure TTests.TestMTPSort;
var
OuterLoop: Integer;
InnerLoop: Integer;
begin
OuterLoop:=1;
InnerLoop:=0;
if Paramcount=1 then begin
InnerLoop:=StrToInt(ParamStr(1));
end else if Paramcount=2 then begin
OuterLoop:=StrToInt(ParamStr(1));
InnerLoop:=StrToInt(ParamStr(2));
end;
writeln('TTests.TestMTPSort Running ',OuterLoop,'x',InnerLoop);
ProcThreadPool.DoParallel(@MTPLoop_TestDoubleMTPSort,1,OuterLoop,@InnerLoop);
end;
procedure TTests.MTPLoop_TestDoubleMTPSort(Index: PtrInt; Data: Pointer;
Item: TMultiThreadProcItem);
var
i: Integer;
List: TFPList;
t: double;
begin
// create an unsorted list of values
List:=TFPList.Create;
for i:=1 to 10000000 do List.Add(TTestItem.Create(Random(99999999999)));
//QuickSort(List,0,List.Count-1,@AnsiCompareText);
t:=Now;
ParallelSortFPList(List,@CompareTestItems,PInteger(Data)^);
t:=Now-t;
writeln('TTests.TestMTPSort ',t*86400);
// check
sleep(1);
for i:=0 to List.Count-2 do
if CompareTestItems(List[i],List[i+1])>0 then raise Exception.Create('not sorted');
for i:=0 to List.Count-1 do
TObject(List[i]).Free;
List.Free;
end;
var
Tests: TTests;
begin
writeln('threads=',ProcThreadPool.MaxThreadCount);
ProcThreadPool.MaxThreadCount:=8;
Tests:=TTests.Create;
//Tests.Test1;
//Tests.Test2;
//Tests.TestTwoThreads2;
//Tests.TestRTLevent_Set_WaitFor;
//Tests.TestMTPWaitForIndex;
//Tests.TestMTPExceptionInStarterThread;
Tests.TestMTPExceptionInHelperThread;
//Tests.TestMTPSort;
Tests.Free;
end.
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