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@@ -1,10 +1,161 @@
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-{
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+const
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+{$if defined (cpusparc) or defined(cpui8086)}
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+ Blocks = 1000;
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+{$else}
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+ Blocks = 10000;
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+{$endif}
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- Program to test heap functions, timing doesn't work
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-}
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-PROGRAM TestHeap;
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+Procedure InitMSTimer;
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+begin
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+end;
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-uses
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- erroru;
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-{$i theap.inc}
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+
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+{Get MS Timer}
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+Function MSTimer:longint;
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+begin
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+ MSTimer:=0;
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+end;
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+
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+
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+procedure ShowHeap;
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+var
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+ hstatus : TFPCHeapstatus;
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+begin
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+ hstatus:=GetFPCHeapStatus;
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+ WriteLn ('Used: ', hstatus.CurrHeapUsed, ' Free: ', hstatus.CurrHeapFree,' Size: ',hstatus.CurrHeapSize);
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+end;
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+
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+
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+VAR Start, LoopTime,LoopTime2: LONGINT;
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+ Delta, TotalTime: LONGINT;
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+ L,Choice,K,T: WORD;
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+ BlkPtr: ARRAY [1..Blocks] OF POINTER;
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+ BlkSize: ARRAY [1..Blocks] OF WORD;
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+ Permutation: ARRAY [1..Blocks] OF WORD;
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+
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+BEGIN
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+ INitMSTimer;
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+ WriteLn ('Test of TP heap functions');
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+ WriteLn;
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+ TotalTime := 0;
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+ RandSeed := 997;
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+ ShowHeap;
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+ Start :=MSTimer;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ END;
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+ LoopTime := MSTimer-Start;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ BlkSize [L] := Random (512) + 1;
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+ END;
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+ Write ('Allocating ',Blocks,' blocks at the end of the heap: ');
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+ Start := MSTImer;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ GetMem (BlkPtr [L], BlkSize [L]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ Write ('Deallocating same ',Blocks,' blocks in reverse order:');
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+ Start := MSTimer;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ FreeMem (BlkPtr [L], BlkSize [L]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ Write ('Allocating ',Blocks,' blocks at the end of the heap: ');
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+ Start := MSTimer;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ GetMem (BlkPtr [L], BlkSize [L]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ Permutation [L] := L;
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+ END;
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+ Start := MSTimer;
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+ FOR L := Blocks DOWNTO 1 DO BEGIN
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+ Choice := Random (L)+1;
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+ K := Permutation [Choice];
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+ Permutation [Choice] := Permutation [L];
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+ END;
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+ LoopTime2 := MSTimer - Start;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ Permutation [L] := L;
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+ END;
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+ Write ('Deallocating same ',Blocks,' blocks at random: ');
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+ Start := MSTimer;
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+ FOR L := Blocks DOWNTO 1 DO BEGIN
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+ Choice := Random (L)+1;
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+ K := Permutation [Choice];
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+ Permutation [Choice] := Permutation [L];
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+ FreeMem (BlkPtr [K], BlkSize [K]);
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+ END;
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+ Delta := MSTimer - Start - LoopTime2;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ Write ('Allocating ',Blocks,' blocks at the end of the heap: ');
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+ Start := MSTimer;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ GetMem (BlkPtr [L], BlkSize [L]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ Permutation [L] := L;
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+ END;
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+ Start := MSTimer;
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+ FOR L := Blocks DOWNTO 1 DO BEGIN
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+ Choice := Random (L)+1;
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+ K := Permutation [Choice];
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+ T:= Permutation [L];
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+ Permutation [L] := Permutation [Choice];
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+ Permutation [Choice] := T;
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+ END;
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+ LoopTime2 := MSTimer - Start;
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+ FOR L := 1 TO Blocks DO BEGIN
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+ Permutation [L] := L;
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+ END;
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+ Write ('Deallocating ',(Blocks div 2 + 1),' blocks at random: ');
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+ Start := MSTimer;
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+ FOR L := Blocks DOWNTO (Blocks div 2 + 1) DO BEGIN
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+ Choice := Random (L)+1;
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+ K := Permutation [Choice];
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+ T:= Permutation [L];
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+ Permutation [L] := Permutation [Choice];
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+ Permutation [Choice] := T;
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+ SYSTEM.FreeMem (BlkPtr [K], BlkSize [K]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime2;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ Write ('Reallocating deallocated ',(Blocks div 2 + 1),' blocks at random: ');
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+ Start := MSTimer;
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+ FOR L := (Blocks div 2+1) TO Blocks DO BEGIN
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+ GetMem (BlkPtr [Permutation [L]], BlkSize [Permutation [L]]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ Write ('Deallocating all ',Blocks,' blocks at random: ');
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+ Start := MSTimer;
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+ FOR L := Blocks DOWNTO 1 DO BEGIN
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+ FreeMem (BlkPtr [L], BlkSize [L]);
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+ END;
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+ Delta := MSTimer-Start-LoopTime;
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+ Inc (TotalTime, Delta);
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+ WriteLn (Delta:5, ' ms');
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+ ShowHeap;
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+ WriteLn;
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+ WriteLn ('Total time for benchmark: ', TotalTime, ' ms');
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+END.
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