coderage/loadtest3.lpr at main · silverpascalcoder/coderage · GitHub

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program loadtest3;

uses classes, sysutils, streamex;

procedure ProcessLine(const S: string);
//var
  //fields: array of string;
begin
  //fields := s.Split([','], '"', '"');
  //if fields[4] = 'Australia' then
  if Pos('Australia', S) > 0 then
    Writeln(S);
end;

const
  g_Organisations = 'organizations-500000.csv';

procedure Main;
var
  FS: TFileStream;
  SR: TStreamReader;
  Line: string;
  HS: THeapStatus;
begin
  FS := TFileStream.Create(g_Organisations, fmOpenRead or fmShareDenyNone);
  SR := TStreamReader.Create(FS);
  try
    while not SR.EndOfStream do
    begin
      Line := SR.ReadLine;
      ProcessLine(Line);
    end;

    HS := GetHeapStatus;
    Writeln('Total allocated (bytes): ', HS.TotalAllocated);
    Writeln('Total free (bytes):      ', HS.TotalFree);
  finally
    SR.Free;
    FS.Free;
  end;
end;

var
  StartTime, EndTime: QWord;
  ElapsedMs, ElapsedSec: Double;
  CPU_TDP_Watts: Double;
  Energy_Joules, Energy_Ws, Energy_kWh: Double;

begin
  // Set your CPU TDP (Watts)
  CPU_TDP_Watts := 15.0;
  StartTime := GetTickCount64;

  Main;

  EndTime := GetTickCount64;

  // Calculate elapsed time
  ElapsedMs := EndTime - StartTime;
  ElapsedSec := ElapsedMs / 1000.0;

  // Calculate energy usage
  Energy_Joules := CPU_TDP_Watts * ElapsedSec;
  Energy_Ws := Energy_Joules;              // 1 Joule = 1 Watt-second
  Energy_kWh := Energy_Joules / 3600000.0; // 1 kWh = 3,600,000 J

  // Output results
  Writeln(Format('Elapsed Time: %.3f ms (%.5f s)', [ElapsedMs, ElapsedSec]));
  Writeln(Format('Estimated Energy: %.5f J', [Energy_Joules]));
  Writeln(Format('Estimated Energy: %.5f Ws', [Energy_Ws]));
  Writeln(Format('Estimated Energy: %.10f kWh', [Energy_kWh]));

end.