[fpc-pascal] [OT] Happy tickets benchmark

[Adrian Veith]

I mark this OT because, this group is surly not interested in this and I
am not going to answer on this anymore. We have a saying in Germany:
"Wer misst, misst Mist".

cheers, Adrian.

Am 18.02.2016 um 12:15 schrieb Serguei TARASSOV:
> On 18/02/2016 12:00, fpc-pascal-request at lists.freepascal.org wrote:
>> Date: Wed, 17 Feb 2016 18:55:29 +0100
>> From: Adrian Veith<adrian at veith-system.de>
>> To: FPC-Pascal users discussions<fpc-pascal at lists.freepascal.org>
>> Subject: Re: [fpc-pascal] Happy tickets benchmark
>>
>> I don't want to insist on this, but: if you measure the runtime of your
>> program you result = runtime + error. If you measure a series against
>> MIN you measure MIN(result) = runtime + MIN(error) which delivers the
>> best value for runtime.
> Not at all, any series against MIN delivers the best value for
> MIN(result) not for runtime!
>
> Ex.
> Prog 1
> Run 1: 130 = 100 + 30
> Run 2: 160 = 100 + 60
> Run 3: 170 = 100 + 70
> Min = 130, Avg = 153
>
> Prog 2
> Run 1: 120 = 110 + 10
> Run 2: 150 = 110 + 40
> Run 3: 200 = 110 + 90
> Min = 120, Avg = 157
>
> MIN shows that Prog 2 is faster that is wrong.
> AVG shows that Prog 1 is faster.
>
> Regards,
> Serguei
>
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