[Tutor] Rép. : How can I make this run faster?

[Emad Nawfal (عمـ نوفل ـاد)]

On Mon, Dec 21, 2009 at 4:40 PM, Luhmann <luhmann_br at yahoo.com> wrote:

> #Here's my try:
>
> vowel_killer_dict = { ord(a): None for a in 'aeiou'}
>
> def devocalize(word):
>     return word.translate(vowel_killer_dict)
>
> vowelled = ['him', 'ham', 'hum', 'fun', 'fan']
> vowelled = set(vowelled)
>
>
> devocalise_dict={}
>
>
> for a in vowelled:
>     devocalise_dict[a]= devocalize(a)
>
>
> unvowelled=set(devocalise_dict.values())
>
> for lex in unvowelled:
>     d={}
>     d[lex] = [word for word in vowelled if devocalise_dict[word] == lex]
>     print lex, " ".join(d[lex])
>
>
>
>
> --- En date de : *Lun, 21.12.09, Emad Nawfal (عمـ نوفل ـاد) <
> emadnawfal at gmail.com>* a écrit :
>
>
> De: Emad Nawfal (عمـ نوفل ـاد) <emadnawfal at gmail.com>
> Objet: [Tutor] How can I make this run faster?
> À: "tutor" <Tutor at python.org>
> Date: lundi 21 Décembre 2009, 8 h 40
>
> Dear Tutors,
> The purpose of this script is to see how many vocalized forms map to a
> single consonantal form. For example, the form "fn" could be fan, fin, fun.
>
> The input is a large list (taken from a file) that has ordinary words. The
> script creates a devocalized list, then compares the two lists.
>
> The problem: It takes over an hour to process 1 file. The average file size
> is 400,000 words.
>
> Question: How can I make it run faster? I have a large number of files.
>
> Note: I'm not a programmer, so please avoid very technical terms.
>
> Thank you in anticipation.
>
>
>
>
>
> def devocalize(word):
>     vowels = "aiou"
>     return "".join([letter for letter in word if letter not in vowels])
>
>
> vowelled = ['him', 'ham', 'hum', 'fun', 'fan'] # input, usually a large
> list of around 500,000 items
>
> vowelled = set(vowelled)
>
> unvowelled = set([devocalize(word) for word in vowelled])
>
>
> for lex in unvowelled:
>     d = {}
>     d[lex] = [word for word in vowelled if devocalize(word) == lex]
>
>     print lex, " ".join(d[lex])
> Thank you Dennis and Luhman. I really appreciate your help.
> --
> لا أعرف مظلوما تواطأ الناس علي هضمه ولا زهدوا في إنصافه كالحقيقة.....محمد
> الغزالي
> "No victim has ever been more repressed and alienated than the truth"
>
> Emad Soliman Nawfal
> Indiana University, Bloomington
> --------------------------------------------------------
>
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-- 
لا أعرف مظلوما تواطأ الناس علي هضمه ولا زهدوا في إنصافه كالحقيقة.....محمد
الغزالي
"No victim has ever been more repressed and alienated than the truth"

Emad Soliman Nawfal
Indiana University, Bloomington
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