Delete '计算设备/map-reduce/tf-32.py'

计算设备/map-reduce/tf-32.py

@@ -1,37 +0,0 @@
-from functools import reduce
-from cppy.cp_util import *
-
-#################################################
-# Functions for map reduce
-#################################################
-def partition(data_str, nlines):
-    lines = data_str.split('\n')
-    for i in range(0, len(lines), nlines):
-        yield '\n'.join(lines[i:i+nlines])
-
-def split_words(data_str):    
-    words = extract_str_words(data_str)    
-    return [ (w, 1) for w in words ]        
-
-def regroup(pairs_list):
-    mapping = {}
-    for pairs in pairs_list:
-        for p in pairs:
-            mapping[p[0]] = mapping.get(p[0], []) + [p]
-    return mapping
-
-def count_words(mapping):
-    def add(x, y): return x+y
-    return ( mapping[0], 
-             reduce(add, (pair[1] for pair in mapping[1]))
-           )
-
-def sort (word_freq):
-    return sorted(word_freq, key=operator.itemgetter(1), reverse=True)
-
-if __name__ == '__main__':        
-    data = read_file(testfilepath)
-    splits = map(split_words, partition(data, 200))        
-    splits_per_word = regroup(splits)
-    word_freqs = sort(map(count_words, splits_per_word.items()))    
-    print_word_freqs(word_freqs)