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└─⟦180fe333a⟧ Bits:30000405 8mm tape, Rational 1000, SW CATALOG, 10_20_0
└─⟦180fe333a⟧ Bits:30000537 8mm tape, Rational 1000, SW Catalog 10_20_0
    └─⟦5cb1d1d7f⟧ »DATA« 
        └─⟦3b1ee7bd8⟧ 
            └─⟦this⟧ 

TextFile

-- PERFORMANCE MEASUREMENT : exception raise and handle time
--                           exception in loop

with Remote_Global;
use Remote_Global; -- control optimization
with Iteration; -- obtain stable measurement
with Piwg_Io; -- output results

procedure E000001 is  -- main procedure to execute

    Cpu_Time : Duration; -- CPU time for one feature execution
    Wall_Time : Duration; -- WALL time for one feature execution
    Check_Times : constant := 100; -- inside loop count and check
    Iteration_Count : Integer; -- set and varied by ITERATION package
    Stable : Boolean; -- true when measurement stable
    My_Exception : exception;

--

begin

    Iteration.Start_Control;  -- dummy to bring in pages on some machines

    delay 0.5;  -- wait for stable enviornment on some machines

    Iteration.Initialize (Iteration_Count);

    loop  -- until stable measurement, ITERATION_COUNT increases each time

--
-- Control loop
--
        Iteration.Start_Control;
        for J in 1 .. Iteration_Count loop
            Global := 0;
            for Inside_Loop in 1 .. Check_Times loop
                begin
                    if A_One = 1 then
                        Global := Global + A_One;
                        Remote;
                    else
                        Global := Global + A_One;
                        Remote;
                        raise My_Exception;
                    end if;
                exception
                    when My_Exception =>
                        null;
                end;
            end loop;
        end loop;
        Iteration.Stop_Control (Global, Check_Times);


--
-- Test loop
--
-- establish exception raise and handle time

        Iteration.Start_Test;
        for J in 1 .. Iteration_Count loop
            Global := 0;
            for Inside_Loop in 1 .. Check_Times loop
                begin
                    if A_One = 2 then
                        Global := Global + A_One;
                        Remote;
                    else
                        Global := Global + A_One;
                        Remote;
                        raise My_Exception;
                    end if;
                exception
                    when My_Exception =>
                        null;
                end;
            end loop;
        end loop;
        Iteration.Stop_Test (Global, Check_Times);
        Iteration.Test_Stable (Iteration_Count, Stable);
        exit when Stable;
    end loop;
--
    Iteration.Feature_Times (Cpu_Time, Wall_Time);


--
-- Printout
--
    Piwg_Io.Piwg_Output
       ("E000001", "Exception", Cpu_Time, Wall_Time,
        Iteration_Count, " Time to raise and handle an exception ",
        " Exception defined locally and handled locally ", " ");


end E000001;