From: reason67@my-deja.com
Subject: Re: Apex vs GNAT on solaris
Date: 1999/12/07
Date: 1999-12-07T00:00:00+00:00 [thread overview]
Message-ID: <82hk18$7up$1@nnrp1.deja.com> (raw)
In-Reply-To: 82hiuj$74o$1@nnrp1.deja.com
> 3.0 mem map of allocation of 1 .. 1 meg of memory keeping 1
> previous allocation
-=-=-=-=-=-=-=-
with Ada.Text_Io;
with Ada.Unchecked_Deallocation;
with Common_Utilities;
with System;
with System.Address_To_Access_Conversions;
with System.Storage_Elements;
use type System.Storage_Elements.Integer_Address;
procedure Aaaa_3_0_Malloc is
type Byte is mod 256;
subtype Index_Type is Integer range 0 .. 1048476;
type Byte_Array_Type is array (Index_Type range <>) of Byte;
package Converter is
new System.Address_To_Access_Conversions (Byte_Array_Type);
procedure Free is new Ada.Unchecked_Deallocation
(Byte_Array_Type,
Converter.Object_Pointer);
Current : Converter.Object_Pointer;
Last : Converter.Object_Pointer;
-- Address : System.Address;
Address : System.Storage_Elements.Integer_Address;
File : Ada.Text_Io.File_Type;
function Create (Length : in Index_Type) return
Converter.Object_Pointer is
Result : Converter.Object_Pointer;
begin
return new Byte_Array_Type (1 .. Length);
end Create;
begin
Ada.Text_Io.Create (File => File, Name => "3.0_malloc_apex");
Current := Create (1);
Address := System.Storage_Elements.To_Integer
(Converter.To_Address (Current));
Ada.Text_Io.Put_Line
(File,
"1 " & Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address)) &
" " & Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address)));
Last := Current;
Current := Create (2);
Address := System.Storage_Elements.To_Integer
(Converter.To_Address (Current));
Ada.Text_Io.Put_Line
(File,
"2 " & Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address)) &
" " & Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address + 1)));
for Index in 3 .. Index_Type'Last loop
Free (Last);
Last := Current;
Current := Create (Index);
Address := System.Storage_Elements.To_Integer
(Converter.To_Address (Current));
Ada.Text_Io.Put_Line
(File,
Common_Utilities.Strip_Spaces (Index_Type'Image (Index)) & "
" &
Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address)) &
" " &
Common_Utilities.Strip_Spaces
(System.Storage_Elements.Integer_Address'Image
(Address +
System.Storage_Elements.Integer_Address (Index) -
1)));
end loop;
Ada.Text_Io.Close (File);
end Aaaa_3_0_Malloc;
-=-=-=-=-=-=-=-=-=-=-
This produces alot of output. I graphed it and found that both Apex and
GNAT did a good job of memory management on solaris
Sent via Deja.com http://www.deja.com/
Before you buy.
next prev parent reply other threads:[~1999-12-07 0:00 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-07 0:00 Apex vs GNAT on solaris reason67
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` Robert Dewar
1999-12-07 0:00 ` Vladimir Olensky
1999-12-07 0:00 ` Vladimir Olensky
1999-12-09 0:00 ` Geoff Bull
1999-12-09 0:00 ` Vladimir Olensky
1999-12-10 0:00 ` Vladimir Olensky
1999-12-09 0:00 ` Vladimir Olensky
1999-12-07 0:00 ` reason67
1999-12-08 0:00 ` Robert Dewar
1999-12-08 0:00 ` reason67
1999-12-07 0:00 ` reason67 [this message]
1999-12-07 0:00 ` Robert Dewar
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` reason67
1999-12-07 0:00 ` Robert Dewar
1999-12-07 0:00 ` Roger Racine
1999-12-07 0:00 ` David Starner
1999-12-08 0:00 ` Robert Dewar
1999-12-07 0:00 ` Jean-Pierre Rosen
1999-12-07 0:00 ` Samuel T. Harris
1999-12-07 0:00 ` Larry Kilgallen
1999-12-08 0:00 ` Robert Dewar
1999-12-08 0:00 ` Roger Racine
1999-12-08 0:00 ` Larry Kilgallen
1999-12-08 0:00 ` Roger Racine
1999-12-08 0:00 ` tmoran
1999-12-08 0:00 ` Larry Kilgallen
1999-12-09 0:00 ` Robert Dewar
1999-12-09 0:00 ` Roger Racine
1999-12-09 0:00 ` Mike Silva
1999-12-10 0:00 ` Robert Dewar
1999-12-09 0:00 ` Larry Kilgallen
1999-12-10 0:00 ` Robert Dewar
1999-12-16 0:00 ` Stefan Skoglund
1999-12-08 0:00 ` Robert A Duff
1999-12-08 0:00 ` Ted Dennison
1999-12-07 0:00 ` reason67
1999-12-08 0:00 ` Robert Dewar
1999-12-08 0:00 ` reason67
1999-12-08 0:00 ` Robert A Duff
1999-12-08 0:00 ` Robert Dewar
1999-12-08 0:00 ` Larry Kilgallen
1999-12-07 0:00 ` reason67
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