To: <
amibroker@xxxxxxxxxxxxxxx>
Sent: Tuesday, August 05, 2008 10:06 AM
Subject: [amibroker] Re: Freakishly fast backtest using 64 cores
> The same hardware that lets a game render life like 3d graphics.  
> They perform single percision floating point math at rates that are 
> in the relm of the super computers of a few years ago.  Lots of 
> floating point operations per second and lots of bandwidth to 
> memory.  The graphics cores have advanced to the point of being able 
> to run a subset of "c", making it programable with freely 
> downloadable tools.
> 
> 
> 
> 
> 
> --- In 
amibroker@xxxxxxxxxxxxxxx, "cstrader" <cstrader232@xxx> wrote:
>>
>> Re: [amibroker] Freakishly fast backtest using 64 coresYes, I'm 
> puzzled too.  
>> 
>> Looping should depend upon the speed of the CPU (or so I thought).  
> Why would putting the data in a different memory store increase 
> looping speed?  
>> 
>> I noticed that AB runs its second backtest much faster than the 
> first -- I assumed because somehow it caches all of the files on the 
> first run (although these are big files, and how it does that is a 
> mystery to me).
>> 
>> In any case, completely fascinating!
>> 
>> cs
>> 
>>   ----- Original Message ----- 
>>   From: Herman 
>>   To: dloyer123 
>>   Cc: 
amibroker@xxxxxxxxxxxxxxx 
>>   Sent: Tuesday, August 05, 2008 5:09 AM
>>   Subject: Re: [amibroker] Freakishly fast backtest using 64 cores
>> 
>> 
>>   This is amazing... But, i am sorry to say, i don't understand 
> what you are doing...
>> 
>> 
>> 
>> 
>>   can you put this in layman's terms?
>> 
>> 
>> 
>> 
>>   best regards,
>> 
>>   herman
>> 
>> 
>> 
>> 
>> 
>>