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Those of us who tried different packages know very well that AB is the
fastest kid on the block.
Sue them TJ!
neuro
On 8/31/05, William Peters <william@xxxxxxxxxxx> wrote:
>
>
> AB = CreateObject("Broker.Application");
> AA = AB.Analysis;
> AA.ApplyTo = 1;
> AA.RangeMode = 1;
>
>
> start = Now();
>
> for( i = 0; i < 1000000; i++ )
> {
>
> x = 2 * i + 13 * sin( i ) / (3*i) + cos(i);
> }
>
> finish = Now();
>
> Filter = 1;
>
> AddTextColumn(start,"Start");
> AddTextColumn(finish,"Finish");
>
>
>
>
> Wednesday, August 31, 2005, 6:45:51 AM, you wrote:
> TJ> Hello,
>
> TJ> Since one of our uses pointed out to the last Metatrader ad that gives completely false
> TJ> statements about AmiBroker speed (in their ad they were telling that AmiBroker is able
> TJ> to do 79 simple mathematic operations per second only on
> TJ> 2.8GHz machine (sic!)), I am giving small example of
> TJ> code that shows real actual speed of mathematical calculations in AmiBroker.
>
> TJ> How untrue their claims are you can check by running this commentary code:
>
> TJ> Now();
>
> TJ> for( i = 0; i < 1000000; i++ )
> TJ> {
>
> TJ> x = 2 * i + 13 * sin( i ) / (3*i) + cos(i);
> TJ> }
>
> TJ> Now();
>
> TJ> The code consists of ONE MILLION of iterations each one
> TJ> consisting of:
> TJ> 3 multiplications
> TJ> 3 additions
> TJ> 1 division
> TJ> 2 trigonometric functions
>
> TJ> So total of 9 mathematical operations per interation.
> TJ> And if you run it on 1.4GHz machine (which is 2x SLOWER than
> TJ> the machine they used for tests)
> TJ> you will see that it executes in 1 second.
>
> TJ> This gives (9 ops * 1000000 iterations) = 9 MILLION of simple
> TJ> operations per second in AmiBroker.
> TJ> So they misquoted AmiBroker speed by 5 orders of magnitude.
>
> TJ> AmiBroker must be real threat other platforms if they start to spread so untrue figures.
>
> TJ> Best regards,
> TJ> Tomasz Janeczko
> TJ> amibroker.com
>
>
>
>
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For other support material please check also:
> http://www.amibroker.com/support.html
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
--
Janeczko for President!
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