Loop of + benchmark now in Articles section



#2

New Benchmark


Enjoy!
Gene


#3

It's interesting that the 35s is faster doing register arithmetic
(STO + Z) than simply +ing on the stack. Is that because dropping
the stack each time uses more steps? regards, Glenn


#4

Maybe it is due to the different types that might be on the stack. Is it a real? Is it a complex number? Each + might require that to be checked, whereas a STO+ operation might not. Guessing.

#5

No 49G?

HP 49G
Count: 12,351
Code: 1. << DO 1. + UNTIL 0. END >>


HP 49G
Count: 11,041
Code: << WHILE 1. REPEAT 1. + END >>

Gerson.


#6

I think everyone tries to forget that unit for a variety of reasons. . . :-D

TW

#7

What about in integers?

#1 << DO #1 + UNTIL 0. END >>

My 49 died a while back :-(
So did my 48sx :-(
And no batteries for my 28s and a broken battery door to boot :-(


- Pauli


#8

For my 50g, I get 19692 (average of 3 runs).


John

#9

Quote:
What about in integers?

#1 << DO #1 + UNTIL 0. END >>

#7164d (WS = 16)

#7130d (WS = 64)

Gerson.
#10

16C using increment

HP-16C
Count: 340
With 0 in I
Code: Lbl A, Isz, Gto A

#11

Hp 50G 12,000,000

User-rplfunction 'SUM(I=1, 12000000,1)' interpreted by custom library in HPGCC. The library evaluates functions, sums and numerical integrals from the Equation Writer in double precision for most real functions.

#12

Hello Gene,



congrats, a real great compilation of that simple benchmark across several generations of calculators!



However, for the great HP41C/CV/CX one benchmark is missing: MCODE

In the book "HP41 MCODE for Beginners" of Ken Emery, published 1985, a 20-step machine code for this 1+ addition algorithm is presented (pages 50-52) which I wont list here.

To make things short:

Count: ~130 000

This is about 100-fold of FOCAL or Synthetic programs!



The 41 was, is and remains amazing


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