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Hi
I know this is a little off topic and sort of covered in the past, I
have the following observation and questions relating to an approach
for my overdue PC upgrade on a budget.
1. I thought that my trading software including Amibroker was both
disk and memory bound. I created a small ramdisk and put a sample ASX
database in there. On my P3 PC there was not a significant
performance improvement as most of the time appeared to be in AFL
calculation and screen update. i.e. confirms that AB has a nicely
optimised database. Scans seem to run at full CPU usage.
2. My other share program is not as efficient, and appears to be disk
bound so I know I need to focus on increasing disk performance. AB
would benefit from this for EOD updates.
The big question relates to determining what type of CPU (AMD, Intel,
single, multi core, Duo, Extreme etc). Many tests show different
performance results quite often unrelated to the clock speed. For
example, reviews seem to be saying that the new intel core 2 duo eats
AMD's top of the line cpus. But when I look at the comparitive
results and focus on floating point or integer calculations or say
generation of pdf file the results say different.
Yes, one brand/model CPU might be great for those playing games or
doing video editing, but how does that relate to you and I who have a
PC to earn a living trading?
One method is to just buy a top of the line model. But, for something
that in our application may only be 10-20% slower at way under half
the price is better value, upgrade each year and still save money...
Any thoughts are most welcome.
A reference to a particular benchmark test from say:
http://www23.tomshardware.com/cpu.html?
modelx=33&model1=433&model2=694&chart=191
I selected the virus scan as an example as it is simple data
crunching and file IO. Notice that an AMD6000 performs well to the
cpus 3-4 times the price.
All the best with your trading
regards
Shawky
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