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Chuck,
No, data are read from the cache regardless of the fact that
you are using Foreign.
But.. only when:
(1) they are already in the cache
(2) they were not flushed by other symbols data because of two
small cache size
(3) they do not have refresh pending (becuase of real time
streaming update)
I hope this answers your question. Have a nice
day.
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=chuck_rademacher@xxxxxxxxxx
href="">Chuck Rademacher
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, July 10, 2003 12:16
PM
Subject: [amibroker] Looping / cache
question
I'll
take my chances as to whether TJ will answer this question via this board as
it may slip past unnoticed. I feel that the question and answer may be
important to others in this group.
<FONT face=Arial color=#0000ff
size=2>
When
looping through tickers (using Foreign), data seems to always be read from
files rather than from cache. If I have "normal" afl that simply
processes all of the tickers in a watchlist, the first pass through the
watchlist reads from files and subsequent passes read from cache.
If I loop through those same tickers in a watchlist using a Foreign statement,
the data seems to be read from files for every pass.
<FONT face=Arial color=#0000ff
size=2>
Is
my understanding correct?
<FONT face=Arial color=#0000ff
size=2>
Is
this an area for possible future improvement?
<FONT face=Arial color=#0000ff
size=2>
<FONT face=Arial color=#0000ff
size=2>CheersSend
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