HP-39gII speed



#2

Hi,

Tipoucet shows the high speed of the HP-39gII here compared to the Nspire CX CAS and Casio Prizm :

http://www.calc-bank.com/index.php?mod=news&ac=commentaires&id=1848


#3

this confirms that 39GII is very fast.

Handling of graphics is also very fast (point, rectangle, text output etc.) and list or matrix manipulation

Here a program to draw the ULAM spiral

EXPORT Ulam
BEGIN
LOCAL a,b,xy:={128,63}, n:=1, m:=.9, d:={{1,0}, {0,-1}, {-1,0}, {0,1}};
RECT();
WHILE n<60000 DO
FOR a FROM 1 TO 4 DO
m:=m+.5;
FOR b FROM 1 TO m DO
IF isprime(n) THEN PIXON_P(xy(1),xy(2),0);END;
xy:=xy+d(a);
n:=n+1;
END;
END;
END;
FREEZE;
END;

34 sec for 60.000 loops (and prime test)

Edited: 24 Feb 2013, 8:00 p.m.

#4

From Xerxes' Calculator Benchmark:

 Calculator Speed Benchmark using the N-Queens Problem
-------------------------------------------------------
- 1:30 HP-50G UserRPL
- 1:29 TI-Nspire Formula / List / TI-84+ Keypad / OS 3.0
- 1:13 TI-Nspire Formula / List / TI-84+ Keypad / OS 1.2
- 1:10 TI-Nspire Formula / List / TI-84+ Keypad / OS 1.3
- 1:07 HP-50G UserRPL / Fast Mode x1.3 (75->203 MHz)
- 8.3 TI-Nspire CAS Formula / List / OS 1.2
- 7.5 TI-Nspire Formula / List / OS 1.2
- 4.2 TI-Nspire CAS Formula / List / OS 1.3
- 3.9 TI-Nspire Formula / List / OS 1.3
-------------------------------------------------------
- 2.3 TI-Nspire CAS Formula / List / OS 3.0
- 2.1 TI-Nspire Formula / List / OS 3.0
- 1.32 HP-39GII Formula / List
-------------------------------------------------------
- 0.895 HP-50G HP Pascal Studio 2.1 / Cross Compiler
- 0.622 HP-50G HP Pascal Studio 2.1 / Cross Compiler / Fast Mode x1.5 (75->203 MHz)
- 0.243 HP-50G HPLua 0.4 / Bytecode
- 0.0504 TI-Nspire CAS Lua / Bytecode / OS 3.1
- 0.0445 TI-Nspire CX CAS Lua / Bytecode / OS 3.1
- 0.00613 HP-50G HPGCC 3.0 / RegVars / Cross Compiler / Slow Mode x12.7 (75->6.0 MHz)
- 0.00524 HP-50G Assembly / ARM9 @ 6.0 MHz / Slow Mode x13
- 0.000484 HP-50G HPGCC 3.0 / RegVars / Cross Compiler
- 0.000404 HP-50G Assembly / ARM9 @ 75 MHz
- 0.000192 HP-50G HPGCC 3.0 / RegVars / Cross Compiler / Fast Mode x2.5 (75->192 MHz)
- 0.000150 HP-50G Assembly / ARM9 @ 192 MHz / Fast Mode x2.7

This is the inverse time (s-1):

0.4348    TI-Nspire CAS
0.4762 TI-Nspire
0.7576 HP-39GII

Now the TI-Nspire doesn't look so bad anymore. Or even much better when considering Lua:

 19.84    TI-Nspire CAS
22.47 TI-Nspire CX CAS

Quote:
In any case, difficult to find a model for the time as fast as the HP-39gII that is surely the public calculator fastest in the world.

,___, 
{O,o}
|)__)
-”-”-
O RLY?

Kind regards

Thomas

Edited: 24 Feb 2013, 5:58 p.m.


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