Informal Benchmark HW C vs HW D

[akmon]

(10-13-2018 08:50 AM)CyberAngel Wrote:  

(10-07-2018 03:45 PM)dg1969 Wrote:  The calculation time for matrix inversion is very different in my tests...

on my desk I have both models rev. C and D calculators both equipped with firmware 2018-09-17 beta.

With that code

Code:


EXPORT ESSAI()
BEGIN
LOCAL m;
m:=RANDMAT(100,100)*0.1;
m:=m^(-1);
RETURN m;
END;

TEVAL(ESSAI) give me 6,8s on the C and 3,7s on the D.

BUT...
If you take your chronograph and just execute the program ESSAI from the command line you will have to wait about 27s on the rev.C and 21s on the rev.D before the results appear on the screen... computation time is one thing the time of the display is another.

I notice a difference in behavior also between the two versions. When the matrix is there on the screen if I click "shift+ Program" on the rev.C the list of user programs appears immediately on the other hand on the rev.D it takes several seconds to see appear the same list.

When the user program list is there if I press the "home" key I have to wait several seconds before seeing the stack (approx 15-16s on rev.D and 18-19s on rev.C).

Is it the same for you ?

Time the Inversion ONLY (leave the display out):

Code:


#cas
InvMat1(n):=
BEGIN
LOCAL t,Mat1;
  Mat1:=randMat(n,n)*0.1;
  MSGBOX(Mat1); // debugging
  t:=TICKS; Mat1:=Mat1^-1;
RETURN (TICKS-t)/1000.+"_s";
END;
#end

Usage: InvMat1(50) [ Enter ]
see the random matrix, for the inverse timing press again [ Enter ]
or tap | OK |
Press directly again [ Enter ] tap | OK |
and one more time and the fourth time to get the average

Now increase to 100 and do it 4 times, too by pressing the [ Enter ]

Try four times 200
Does anyone have also the G2?

These are my results:

G2:

Invmat1(50) average: 0,0135s
Invmat1(100) average: 0,0795s
Invmat1(200) average: impossible to test. Calculator crashed, only restart with a clip. reported to calcbeta

G1:

Invmat1(50) average: 0,1665s
Invmat1(100) average: 1,113s
Invmat1(200) average: it shows a strange error message but it can continue doing the calculus: 8,472s.