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Hello,
When installing both, make sure to install to separate directories to
avoid conflict between different plugins.
Actually, there is no size limit per se. On certain circumstances (low
symbol count, large number of bars per symbol), you can exceed 4GB
easily. With large symbol count there is limit on number of symbols in
the cache (20000) and that is limiting factor. AmiBroker itself may use
more RAM if necessary because RAM is not only needed for cache but also
for intermediate / temporary memory during backtests.
Yes you are the first who actually wants to use such large caches, and
you need to understand that this is hardly critical (the only gain is
little more speed)
As I wrote this is on the to-do list. I can not give you release date,
however.
Best regards,
Tomasz Janeczko
amibroker.com
On 2009-12-16 18:42, smw311 wrote:
> Thanks Tomasz! I knew that I could run Amibroker 32 on a 64bit OS but I was unaware that I could have both versions of AB (32 and 64) installed at the same time. I am going to switch to that config today.
>
> My main problem still is that Amibroker 64 has a 4Gb limit on its in memory cache. I am a little surprised that I am the first person to have this issue. I would have thought there would be a number of people who would be interested in datasets that exceed this limit.
>
> --- In amibroker@xxxxxxxxxxxxxxx, Tomasz Janeczko<groups@xxx> wrote:
>
>> Hello,
>>
>> Paul just told you that you can run 32 bit AmiBroker on 64-bit Windows.
>> There is NO need for dual boot.
>>
>> You can run BOTH 32-bit and 64-bit AmiBroker at the same time on 64-bit
>> Windows.
>>
>> Here is a chart that says all:
>> http://www.amibroker.com/guide/compat.html
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>>
>>
>>
>> On 2009-12-16 16:31, smw311 wrote:
>>
>>> I'm using a dual boot solution to get around the 32 bit plugin issue. i.e. download data in xp 32 switch to win7 64 to run it. Unfortunately, Amibroker-64 is currently limited to 4Gb so using a RAM disk is the only solution for larger databases.
>>>
>>> Tomasz, any thoughts on when we might see a fix for Amibroker-64 that removes the 4Gb limit?
>>>
>>> --- In amibroker@xxxxxxxxxxxxxxx, "paultsho"<paul.tsho@> wrote:
>>>
>>>
>>>> It is possible to run AB32bits on any 64bits windows OS. The plugins that I have tried all work flawlessly. and you can specify cache size bigger than 2 gigs. It is a much faster and secure options than using Ramdisk. My experience is that AB32 runs better in Xp64 than Xp32. I presume that it will be the same for Window7.
>>>>
>>>> --- In amibroker@xxxxxxxxxxxxxxx, "etoketrader"<etoke@> wrote:
>>>>
>>>>
>>>>>
>>>>>
>>>
>>>
>>> ------------------------------------
>>>
>>> **** IMPORTANT PLEASE READ ****
>>> This group is for the discussion between users only.
>>> This is *NOT* technical support channel.
>>>
>>> TO GET TECHNICAL SUPPORT send an e-mail directly to
>>> SUPPORT {at} amibroker.com
>>>
>>> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
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>>>
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>>>
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>>>
>>>
>>>
>>>
>>>
>>>
>>
>
>
>
> ------------------------------------
>
> **** IMPORTANT PLEASE READ ****
> This group is for the discussion between users only.
> This is *NOT* technical support channel.
>
> TO GET TECHNICAL SUPPORT send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> http://www.amibroker.com/feedback/
> (submissions sent via other channels won't be considered)
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> http://www.amibroker.com/devlog/
>
> Yahoo! Groups Links
>
>
>
>
>
------------------------------------
**** IMPORTANT PLEASE READ ****
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This is *NOT* technical support channel.
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SUPPORT {at} amibroker.com
TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
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