[IronPython] Dict convertion question

[Dino Viehland]

That could be really slow right now as we'll do all the code gen, compilation, etc...  only to run it once.  We have an experimental option called FastEval (-X:FastEval) that might speed that up as well, but unfortunately I don't think it works for everything.

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of J. Merrill
Sent: Thursday, July 20, 2006 12:58 PM
To: Discussion of IronPython
Subject: Re: [IronPython] Dict convertion question

You should really try executing the ToCodeString result ....

At 12:49 PM 7/20/2006, JoeSox wrote
>On 7/20/06, Bruce Christensen <t-bruch at microsoft.com> wrote:
>> What is the nature of the dict that you're trying to save?
>
>It's a <huge dict>
>{4: [6, 4278, 44657, 30279, 58912, 67939, 18551, 33653, 28303, 6692,
>4827, 110144, 18920, 15569, 11571, 77917, 7968, 10137, 14154, 33180,
>12544, 54062, 159370, 9495], 11: [13, 12012, 2752, 97294, 26284,
>11605], 17: [19], 23: [25, 3094, 119638, 38476], 29: [31, 3956, 25199,
>3613, 62246, 89711, 276, 115528], 37: [39, 11431, 25255, 21317,
>41972],.........}
>
>The numbers represent words/predicate nodes when they were first
>indexed. This particular Dict references them in a forward index.
>There is also a backwards index Dict in my project that stores the
>array as the Key. For example:
>
>{[6, 4278, 44657, 30279, 58912, 67939, 18551, 33653, 28303, 6692, 4827,
>110144, 18920, 15569, 11571, 77917, 7968, 10137, 14154, 33180, 12544,
>54062, 159370, 9495] : 4,...}
>
>
>> How many
>> elements does it have, and what data types are those elements?
>
>On average it has around 132,000 keys, and ideally it should be able to
>store more Keys.  I'm not really sure how big the largest array Value
>gets.
>
>> Maybe there's something we can do to improve pickle's performance for you.
>
>Thanks, I'm sure it would benefit some others also.
>--
>Later, Joe


J. Merrill / Analytical Software Corp


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