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joelr1

Is it kosher to use personal kdb for trading systems development?I understand that a commercial license is needed for deployment. Thanks, Joel---http://wagerlabs.com

joelr1

Received: by 10.151.144.4 with SMTP id w4mr778078ybn.15.1237633015872; Sat, 21 Mar 2009 03:56:55 -0700 (PDT)Date: Sat, 21 Mar 2009 03:56:55 -0700 (PDT)X-IP: 88.0.188.61User-Agent: G2/1.0X-Google-Token: PkJcmgwAAAD5lAakkotqoMng-h_8KbHAX-HTTP-UserAgent...

joelr1

Mime-Version: 1.0 (Apple Message framework v919.2)Subject: Sliding windowDate: Wed, 9 Apr 2008 12:48:47 +0100X-Mailer: Apple Mail (2.919.2)How do you implement a sliding window?Assume that you need to take a movingaverage over the last 10 quotes. You...

joelr1

Mime-Version: 1.0 (Apple Message framework v919.2)Subject: different contexts for remote executionDate: Mon, 7 Apr 2008 23:53:18 +0100X-Mailer: Apple Mail (2.919.2)assuming that h was a handleto a remote q, it seems thath (get;var) and h "var"execute...

joelr1

Mime-Version: 1.0 (Apple Message framework v919.2)Subject: q vector math not much faster than serial erlang code?Date: Mon, 7 Apr 2008 11:33:59 +0100Cc: Zvi Avraham X-Mailer: Apple Mail (2.919.2)http://groups.google.com/group/erlang-questions/browse_...

joelr1

X-Mailer: Apple Mail (2.919.2)On Apr 21, 2008, at 1:50 PM, Hehe wrote:> True, however, it is possible to write an adapter to get data from a> second tier data vendor such as opentick. Streambase has an opentick> adapter as its inputs. I am also evalu...

joelr1

h(set;`aa;99)andh`bbaccording to Simon.

joelr1

Foot in mouth, I see the error!

joelr1

X-Mailer: Apple Mail (2.919.2)Stevan,I agree with you but f1is still the fastest!q)\t do[10;f1 l]7749q)\t do[10;f2 l]8906q)\t do[10;f3 l]8894On Apr 6, 2008, at 4:07 PM, sa wrote:>> the best way to benchmark is to take averages over several runs:>> C:...

joelr1

X-Mailer: Apple Mail (2.919.2)Simon,I'm not objecting to lack of multithreadingin Mac OSX, I'm just pointing out that thealternatives (slaves) have been disabled also! Thanks, JoelOn Apr 6, 2008, at 6:13 AM, simon wrote:>> multithreading on OSX is di...

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personal kdb for trading systems development

trading

Sliding window

different contexts for remote execution

q vector math not much faster than serial erlang code?

Re: Where is the tick.zip?

Re: different contexts for remote execution

Re: different contexts for remote execution

Re: The perils of benchmarking

Re: bring the slaves back!