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107 lines
2.1 KiB
Plaintext
107 lines
2.1 KiB
Plaintext
/*
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* Harbour Project source code:
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* a small memory manager test code
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*/
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#include "simpleio.ch"
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#define N_LOOPS 100000
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#ifdef __HARBOUR__
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#include "hbmemory.ch"
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#endif
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PROCEDURE Main()
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LOCAL nCPUSec, nRealSec, i, a
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#ifdef __HARBOUR__
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IF Memory( HB_MEM_USEDMAX ) != 0
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?
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? "Warning !!! Memory statistics enabled."
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ENDIF
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#endif
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?
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? Date(), Time(), Version() + build_mode() + ", " + OS()
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?
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? "testing single large memory blocks allocation and freeing..."
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nRealSec := Seconds()
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nCPUSec := hb_SecondsCPU()
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FOR i := 1 TO N_LOOPS
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a := Space( 50000 )
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NEXT
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a := NIL
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nCPUSec := hb_SecondsCPU() - nCPUSec
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nRealSec := Seconds() - nRealSec
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? " CPU time:", nCPUSec, "sec."
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? "real time:", nRealSec, "sec."
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?
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? "testing many large memory blocks allocation and freeing..."
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nRealSec := Seconds()
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nCPUSec := hb_SecondsCPU()
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a := Array( 100 )
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FOR i := 1 TO N_LOOPS
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a[ i % 100 + 1 ] := Space( 50000 )
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IF i % 200 == 0
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AFill( a, "" )
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ENDIF
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NEXT
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a := NIL
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nCPUSec := hb_SecondsCPU() - nCPUSec
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nRealSec := Seconds() - nRealSec
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? " CPU time:", nCPUSec, "sec."
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? "real time:", nRealSec, "sec."
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?
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? "testing large memory block reallocation with intermediate allocations..."
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? "Warning!!! some compilers may badly fail here"
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WAIT
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nRealSec := Seconds()
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nCPUSec := hb_SecondsCPU()
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a := {}
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FOR i := 1 TO N_LOOPS
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AAdd( a, {} )
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IF i % 1000 == 0
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?? i
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ENDIF
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NEXT
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nCPUSec := hb_SecondsCPU() - nCPUSec
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nRealSec := Seconds() - nRealSec
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? " CPU time:", nCPUSec, "sec."
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? "real time:", nRealSec, "sec."
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WAIT
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RETURN
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FUNCTION build_mode()
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#ifdef __CLIP__
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RETURN " (MT)"
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#else
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#ifdef __XHARBOUR__
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RETURN iif( hb_MultiThread(), " (MT)", "" ) + ;
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iif( Memory( HB_MEM_USEDMAX ) != 0, " (FMSTAT)", "" )
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#else
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#ifdef __HARBOUR__
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RETURN iif( hb_mtvm(), " (MT)", "" ) + ;
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iif( Memory( HB_MEM_USEDMAX ) != 0, " (FMSTAT)", "" )
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#else
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#ifdef __XPP__
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RETURN " (MT)"
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#else
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RETURN ""
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#endif
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#endif
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#endif
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#endif
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#if __HARBOUR__ < 0x010100
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FUNCTION hb_mtvm()
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RETURN .F.
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#endif
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