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{$STRINGCHECKS OFF}
unit LinX_routines;
interface
uses Windows;
procedure CreateInputFile(FileName : string;
ProblemSize, LeadingDimensions : cardinal;
NumberOfRuns : word;
DataAlignment : byte;
Version : string;
x64Mode : boolean);
function SetOutputString(ProblemSize, LeadingDimensions : cardinal;
DataAlignment : byte) : string;
function SetLeadingDimensions(ProblemSize : cardinal;
Optimal : boolean) : cardinal;
function StartLinpack(FileName : string; InputFileName : string;
NumberOfThreads : byte;
PriorityClass : byte;
var ProcessInformation : TProcessInformation;
var LogReadHandle, LogWriteHandle : THandle) : boolean;
function ReadLogHeader(LogHandle, LinpackHandle, ReadComplete : THandle;
var stopcode : byte) : string;
function ReadLogString(LogHandle, LinpackHandle, ReadComplete : THandle;
var OutputString : string; var stopcode : byte) : boolean;
function ReadLogFooter(LogHandle, LinpackHandle, ReadComplete : THandle) : string;
function IsX64Supported : boolean;
function GetTempFolderPath : string;
function GetMaxThreadsNumber : byte;
function GetFreeMemory : word;
function GetTotalMemory: word;
procedure WindowScreenShot(WinHandle : HWND; Filename : string);
procedure WindowFlash(Flashtype : cardinal; WinHandle : HWND;
Count, Timeout : cardinal);
function GetCPUName : string;
function SizeToMem(Size: cardinal) : cardinal;
function MemToSize(Mem : cardinal) : cardinal;
function GetVersion (full : boolean) : string;
function CompositingEnabled: Boolean;
function AddDateTimeToFilename (Filename, Extension : string; TimeToAdd : TDateTime) : string;
procedure CalcMinMax(var data_arr: array of single; arrlength : integer; var min, max : real);
implementation
uses SysUtils, Graphics, PngImage, StrUtils;
type TMemoryStatusEx = packed record
dwLength: DWORD;
dwMemoryLoad: DWORD;
ullTotalPhys: Int64;
ullAvailPhys: Int64;
ullTotalPageFile: Int64;
ullAvailPageFile: Int64;
ullTotalVirtual: Int64;
ullAvailVirtual: Int64;
ullAvailExtendedVirtual: Int64;
end;
function GlobalMemoryStatusEx(var lpBuffer: TMemoryStatusEx): BOOL; stdcall; external kernel32;
procedure CreateInputFile(FileName : string;
ProblemSize, LeadingDimensions : cardinal;
NumberOfRuns : word;
DataAlignment : byte;
Version : string;
x64Mode : boolean);
var InputFile : HFile; BytesWritten : cardinal; SettingsString : ansistring;
Mode : byte; InfoString : string;
const HeaderString = 'Sample Intel(R) LINPACK data file';
InfoStr = 'Intel(R) LINPACK %d-bit data - ';
begin
InfoString := InfoStr + version;
InputFile := CreateFile(PChar(filename), GENERIC_WRITE, 0, nil, CREATE_ALWAYS,
0, 0);
if InputFile <> INVALID_HANDLE_VALUE then begin
if x64Mode then Mode := 64
else Mode := 32;
SettingsString := Ansistring(Format(HeaderString + #13#10 + InfoString + #13#10 +
'1'#13#10'%d'#13#10'%d'#13#10'%d'#13#10'%d',[Mode,
ProblemSize, LeadingDimensions, NumberOfRuns,
DataAlignment]));
WriteFile(InputFile, Pointer(SettingsString)^, length(SettingsString),
BytesWritten, nil);
CloseHandle(InputFile);
end;
end;
function SetOutputString(ProblemSize, LeadingDimensions : cardinal;
DataAlignment : byte) : string;
begin
result := Format('%d'#13'%d'#13'%d'#13,
[ProblemSize, LeadingDimensions, DataAlignment]);
end;
function SetLeadingDimensions(ProblemSize : cardinal; Optimal : boolean) : cardinal;
var LeadingDimensions : cardinal;
begin
LeadingDimensions := ProblemSize;
if Optimal then
if LeadingDimensions mod 8 = 0 then
if LeadingDimensions mod 16 = 0 then inc(LeadingDimensions, 8)
else
else
if odd(LeadingDimensions div 8)
then LeadingDimensions := (LeadingDimensions div 8 + 2) * 8
else LeadingDimensions := (LeadingDimensions div 8 + 1) * 8;
result := LeadingDimensions;
end;
function StartLinpack(FileName : string; InputFileName : string;
NumberOfThreads : byte;
PriorityClass : byte;
var ProcessInformation : TProcessInformation;
var LogReadHandle, LogWriteHandle : THandle) : boolean;
var Startup : TStartupInfo; EnvVarString : ansistring;
pSD : PSECURITY_DESCRIPTOR; SecAttr: TSecurityAttributes;
Priority : cardinal; timesuffix : string;
begin
pSD := PSECURITY_DESCRIPTOR(LocalAlloc(LPTR, SECURITY_DESCRIPTOR_MIN_LENGTH));
InitializeSecurityDescriptor (pSD, SECURITY_DESCRIPTOR_REVISION);
SetSecurityDescriptorDacl(pSD, false, nil, false);
//FillChar(SecAttr, SizeOf(TSecurityAttributes), #0);
SecAttr.nLength := SizeOf(TSecurityAttributes);
SecAttr.bInheritHandle := True;
SecAttr.lpSecurityDescriptor := pSD;
timesuffix := FormatDateTime('hhmmss', Now);
LogReadHandle := CreateNamedPipe(PChar('\\.\pipe\linx' + timesuffix), PIPE_ACCESS_INBOUND or
FILE_FLAG_OVERLAPPED, 0, 2, 1024, 1024, 0, @SecAttr);
LogWriteHandle := CreateFile(Pchar('\\.\pipe\linx' + timesuffix), GENERIC_WRITE,
0, @SecAttr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL
or FILE_FLAG_NO_BUFFERING or FILE_FLAG_WRITE_THROUGH,
0);
FillChar(Startup, SizeOf(Startup), #0);
Startup.cb := SizeOf(Startup);
Startup.dwFlags := STARTF_USESTDHANDLES;
Startup.hStdOutput := LogWriteHandle;
FillChar(ProcessInformation, SizeOf(ProcessInformation), #0);
EnvVarString := Ansistring(
Format('MKL_DOMAIN_NUM_THREADS=MKL_BLAS=1,MKL_ALL=%d', [NumberOfThreads]) + #0 +
//'MKL_DOMAIN_NUM_THREADS=MKL_BLAS=1' + #0 +
'MKL_DYNAMIC=FALSE' + #0 +
//'MKL_NUM_THREADS=' + inttostr(NumberOfThreads) + #0 +
Format('OMP_NUM_THREADS=%d', [NumberOfThreads]) + #0 + #0);
//SetEnvironmentVariable(PChar('MKL_DYNAMIC'),PChar('FALSE'));
//SetEnvironmentVariable(PChar('OMP_NUM_THREADS'),PChar(Format('%d',[NumberOfThreads])));
//SetEnvironmentVariable(PChar('MKL_NUM_THREADS'),PChar(Format('%d',[NumberOfThreads])));
//SetEnvironmentVariable(PChar('MKL_DOMAIN_NUM_THREADS'),PChar(Format('MKL_BLAS 1, MKL_ALL %d', [NumberOfThreads])));
//SetEnvironmentVariable(PChar('MKL_DOMAIN_NUM_THREADS'),PChar('MKL_BLAS=1'));
case PriorityClass of
0 : Priority := IDLE_PRIORITY_CLASS;
1 : Priority := $00004000;
2 : Priority := NORMAL_PRIORITY_CLASS;
3 : Priority := $00008000;
4 : Priority := HIGH_PRIORITY_CLASS;
5 : Priority := REALTIME_PRIORITY_CLASS;
else Priority := NORMAL_PRIORITY_CLASS;
end;
if PriorityClass > 2 then SetPriorityClass(GetCurrentProcess, Priority)
else SetPriorityClass(GetCurrentProcess, NORMAL_PRIORITY_CLASS);
result := CreateProcess(nil, PChar(FileName + ' ' + InputFileName), @SecAttr,
@SecAttr, true, CREATE_NO_WINDOW or Priority, PAnsiChar(EnvVarString){nil}, nil, Startup,
ProcessInformation);
LocalFree(HLOCAL(pSD));
end;
function ReadLogHeader(LogHandle, LinpackHandle, ReadComplete : THandle;
var stopcode : byte) : string;
const BufferSize = 1024;
var Buffer : PAnsiChar; BytesRead, TotalBytes, ExitCode : cardinal;
tmpstr : string;
norunspos : integer; normpos : integer;
begin
Buffer := AllocMem(BufferSize + 1);
TotalBytes := 0;
BytesRead := 0;
tmpstr := '';
while (WaitForSingleObject(LinpackHandle, 0) <> WAIT_OBJECT_0) do begin
ReadFile(LogHandle, Buffer[TotalBytes], 1, BytesRead, nil);
inc(TotalBytes, BytesRead);
tmpstr := string(Buffer);
if TotalBytes >= BufferSize then begin
Break;
end;
norunspos := pos('No runs', tmpstr);
if (norunspos <> 0) and (PosEx(#10, tmpstr, norunspos) <> 0) then
Break;
normpos := pos('(norm)', tmpstr);
if (normpos <> 0) and (PosEx(#10, tmpstr, normpos) <> 0) then
Break;
end;
if WaitForSingleObject(LinpackHandle, 0) = WAIT_OBJECT_0 then begin
GetExitCodeProcess(LinpackHandle, ExitCode);
stopcode := ExitCode;
if (stopcode <> 2) and (stopcode <> 6) then stopcode := 0;
end
else stopcode := 1;
result := tmpstr;
Freemem(Buffer);
end;
function ReadLogString(LogHandle, LinpackHandle, ReadComplete : THandle;
var OutputString : string; var stopcode : byte) : boolean;
const BufferSize = 81;
var Buffer : PAnsiChar; BytesRead, TotalBytes : cardinal;
Overlap : TOverlapped;
HandleArr : array[0..1] of THandle;
ExitCode : cardinal;
begin
result := true;
Buffer := AllocMem(BufferSize + 1);
FillChar(Overlap, Sizeof(TOverlapped), #0);
Overlap.hEvent := ReadComplete;
HandleArr[0] := ReadComplete;
HandleArr[1] := LinpackHandle;
TotalBytes := 0;
BytesRead := 0;
OutputString := '';
while pos(#10, OutputString) = 0 do begin
if not ReadFile(LogHandle, Buffer[TotalBytes], 1, BytesRead, @Overlap) then begin
if (GetLastError = ERROR_IO_PENDING) then begin
if WaitForMultipleObjects(2, @HandleArr, false, INFINITE) <> WAIT_OBJECT_0 then begin
CancelIO(LogHandle);
GetExitCodeProcess(LinpackHandle, ExitCode);
stopcode := ExitCode;
result := false;
Break;
end
else begin
inc(TotalBytes, 1);
OutputString := String(Buffer);
if TotalBytes >= BufferSize then begin
Break;
end;
end;
end
else begin
stopcode := 1;
CancelIO(LogHandle);
Result := false;
Break;
end;
end
else begin
inc(TotalBytes, BytesRead);
OutputString := String(Buffer);
if TotalBytes >= BufferSize then begin
Break;
end;
end;
end;
FreeMem(Buffer);
end;
function ReadLogFooter(LogHandle, LinpackHandle, ReadComplete : THandle) : string;
const BufferSize = 1024;
var Buffer : PAnsiChar; BytesRead, TotalBytes : cardinal;
Overlap : TOverlapped;
HandleArr : array[0..1] of THandle;
begin
Buffer := AllocMem(BufferSize + 1);
FillChar(Overlap, Sizeof(TOverlapped), #0);
Overlap.hEvent := ReadComplete;
HandleArr[0] := ReadComplete;
HandleArr[1] := LinpackHandle;
TotalBytes := 0;
BytesRead := 0;
result := '';
while true do begin
if not ReadFile(LogHandle, Buffer[TotalBytes], 1, BytesRead, @Overlap) then begin
if (GetLastError = ERROR_IO_PENDING) then begin
if WaitForMultipleObjects(2, @HandleArr, false, INFINITE) <> WAIT_OBJECT_0 then begin
CancelIO(LogHandle);
Break;
end
else begin
inc(TotalBytes, 1);
result := String(Buffer);
if TotalBytes >= BufferSize then begin
Break;
end;
end;
end
else begin
CancelIO(LogHandle);
Break;
end;
end
else begin
inc(TotalBytes, BytesRead);
result := String(Buffer);
if TotalBytes >= BufferSize then begin
Break;
end;
end;
end;
FreeMem(Buffer);
end;
function IsX64Supported : boolean;
var IsWow64Process : function(Handle: THandle; var Res: BOOL): BOOL; stdcall;
IsWow64Result: BOOL;
begin
result := false;
IsWow64Process := GetProcAddress(GetModuleHandle('kernel32'), 'IsWow64Process');
if Assigned(IsWow64Process) and IsWow64Process(GetCurrentProcess, IsWow64Result)
then result := IsWow64Result;
end;
function GetTempFolderPath : string;
var lng: DWORD; thePath: string;
begin
SetLength(thePath, MAX_PATH);
lng := GetTempPath(MAX_PATH, PChar(thePath));
SetLength(thePath, lng);
result := thePath;
end;
function GetMaxThreadsNumber : byte;
begin
result := strtointdef(GetEnvironmentVariable('NUMBER_OF_PROCESSORS'), 1);
end;
function GetFreeMemory : word;
var MemoryStatusEx : TMemorystatusEx;
begin
MemoryStatusEx.dwLength := SizeOf(MemoryStatusEx);
GlobalMemoryStatusEx(MemoryStatusEx);
result := MemoryStatusEx.ullAvailPhys div 1048576;
end;
function GetTotalMemory: word;
var MemoryStatusEx : TMemorystatusEx;
begin
MemoryStatusEx.dwLength := SizeOf(MemoryStatusEx);
GlobalMemoryStatusEx(MemoryStatusEx);
result := MemoryStatusEx.ullTotalPhys div 1048576;
end;
procedure WindowScreenShot(WinHandle : HWND; filename : string);
var DC : HDC; r : TRect; destBitmap : TBitmap; destPNG : TPNGImage;
begin
dc := GetWindowDC(GetDesktopWindow);
GetWindowRect(WinHandle,r) ;
destBitmap := TBitmap.Create;
destPNG := TPNGImage.Create;
try
destBitmap.Width := r.Right - r.Left;
destBitmap.Height := r.Bottom - r.Top;
BitBlt(destBitmap.Canvas.Handle, 0, 0, destBitmap.Width, destBitmap.Height,
DC, r.Left, r.Top, SRCCOPY);
destPNG.assign(destBitmap);
destPNG.SaveToFile(filename);
finally
ReleaseDC(GetDesktopWindow, DC) ;
destBitmap.FreeImage;
Freeandnil(destBitmap);
destPNG.Free;
end;
end;
function GetCPUBrandString : string;
function CPUIDAvail : boolean; assembler;
{Tests whether the CPUID instruction is available}
asm
pushfd // get flags into ax
pop eax // save a copy on the stack
mov edx,eax
xor eax, 0200000h // flip bit 21
push eax // load new value into flags
popfd // get them back
pushfd
pop eax
xor eax,edx
and eax, 0200000h // clear all but bit 21
shr eax, 21
end;
var s:array[0..48] of ansichar;
begin
fillchar(s,sizeof(s),0);
if CPUIDAvail then begin
asm
//save regs
push ebx
push ecx
push edx
//check if necessary extended CPUID calls are
//supported, if not return null string
mov eax,080000000h
CPUID
cmp eax,080000004h
jb @@endbrandstr
//get first name part
mov eax,080000002h
CPUID
mov longword(s[0]),eax
mov longword(s[4]),ebx
mov longword(s[8]),ecx
mov longword(s[12]),edx
//get second name part
mov eax,080000003h
CPUID
mov longword(s[16]),eax
mov longword(s[20]),ebx
mov longword(s[24]),ecx
mov longword(s[28]),edx
//get third name part
mov eax,080000004h
CPUID
mov longword(s[32]),eax
mov longword(s[36]),ebx
mov longword(s[40]),ecx
mov longword(s[44]),edx
@@endbrandstr:
//restore regs
pop edx
pop ecx
pop ebx
end;
result:=string(s);
end
else result := '';
end;
function GetCPUName : string;
var s : string;
begin
s := GetCPUBrandString;
if s <> '' then begin
s := stringreplace(s,' ','',[rfReplaceAll]);
s := stringreplace(s,'CPU','',[rfIgnoreCase]);
s := stringreplace(s,'Processor','',[rfIgnoreCase]);
s := stringreplace(s,'(R)','®',[rfReplaceAll,rfIgnoreCase]);
s := stringreplace(s,'(TM)','™',[rfReplaceAll,rfIgnoreCase]);
s := stringreplace(s,' ',' ',[rfReplaceAll]);
if pos('@',s) <> 0 then delete(s,pos('@',s),10);
result := trimright(s);
end
else result := s;
end;
procedure WindowFlash(Flashtype : cardinal; WinHandle : HWND;
Count, Timeout : cardinal);
var
FWinfo: TFlashWInfo;
begin
FWinfo.cbSize := SizeOf(TFlashWInfo);
FWinfo.hwnd := WinHandle; // Handle of Window to flash
FWinfo.dwflags := Flashtype;//FLASHW_ALL;
SystemParametersInfo(SPI_GETFOREGROUNDFLASHCOUNT, 0,
@FWinfo.uCount, 0); //number of times to flash (get from Windows)
FWinfo.dwtimeout := Timeout; // speed in ms, 0 default blink cursor rate
FlashWindowEx(FWinfo); // make it flash!
end;
function SizeToMem(Size: cardinal) : cardinal;
begin
result := trunc(((size + 15 + 80) * (size + 2.5)) / 131072) + 2;
end;
function MemToSize(Mem : cardinal) : cardinal;
begin
result := trunc(- 48.75 + sqrt(2376.5625 + (mem - 1) * 131072 - 59.375));
end;
function GetVersion (full : boolean) : string;
var VerInfoSize: DWORD;
VerInfo: Pointer;
VerValueSize: DWORD;
VerValue: PVSFixedFileInfo;
Dummy: DWORD;
begin
VerInfoSize := GetFileVersionInfoSize(PChar(ParamStr(0)), Dummy);
GetMem(VerInfo, VerInfoSize);
GetFileVersionInfo(PChar(ParamStr(0)), 0, VerInfoSize, VerInfo);
VerQueryValue(VerInfo, '\', Pointer(VerValue), VerValueSize);
with VerValue^ do begin
Result := Format('%d.%d.%d',[dwFileVersionMS shr 16,
dwFileVersionMS and $FFFF, dwFileVersionLS shr 16]);
if full then Result := Result + Format('.%d',[dwFileVersionLS and $FFFF]);
end;
FreeMem(VerInfo, VerInfoSize);
end;
function CompositingEnabled: Boolean;
const
dwmapi = 'dwmapi.dll';
DwmIsCompositionEnabledSig = 'DwmIsCompositionEnabled';
var
DLLHandle: THandle;
DwmIsCompositionEnabledProc: function(pfEnabled: PBoolean): HRESULT; stdcall;
Enabled: Boolean;
begin
Result := False;
if Win32MajorVersion >= 6 then
begin
DLLHandle := LoadLibrary(dwmapi);
if DLLHandle <> 0 then
begin
@DwmIsCompositionEnabledProc := GetProcAddress(DLLHandle,
DwmIsCompositionEnabledSig);
if (@DwmIsCompositionEnabledProc <> nil) then
begin
DwmIsCompositionEnabledProc(@Enabled);
Result := Enabled;
end;
FreeLibrary(DLLHandle);
end;
end;
end;
function AddDateTimeToFilename (Filename, Extension : string; TimeToAdd : TDateTime) : string;
var DS, TS : char;
begin
DS := DateSeparator;
TS := TimeSeparator;
DateSeparator := '-';
TimeSeparator := '-';
result := Filename + FormatDateTime(' ddddd tt', TimeToAdd) + '.' + Extension;
TimeSeparator := TS;
DateSeparator := DS;
end;
procedure CalcMinMax(var data_arr: array of single; arrlength : integer; var min, max : real);
var i : integer; tmpmin, tmpmax : real;
begin
tmpmin := 10000;
tmpmax := -10000;
for i := 0 to arrlength do begin
if data_arr[i] < tmpmin then tmpmin := data_arr[i]
else
if data_arr[i] > tmpmax then tmpmax := data_arr[i];
end;
min := tmpmin;
max := tmpmax;
end;
end.
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