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edb9032052
Wren is actually doing well in it: wren mean: 1.9441 median: 1.9428 std_dev: 0.0260 lua mean: 3.5992 median: 3.6033 std_dev: 0.0156 python mean: 3.6667 median: 3.7097 std_dev: 0.1340 ruby mean: 1.3941 median: 1.3914 std_dev: 0.0091
40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
# The Computer Language Benchmarks Game
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# http://shootout.alioth.debian.org/
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#
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# contributed by Antoine Pitrou
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# modified by Dominique Wahli
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# modified by Heinrich Acker
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import time
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def make_tree(item, depth):
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if not depth: return item, None, None
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item2 = item + item
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depth -= 1
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return item, make_tree(item2 - 1, depth), make_tree(item2, depth)
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def check_tree((item, left, right)):
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if not left: return item
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return item + check_tree(left) - check_tree(right)
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min_depth = 4
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max_depth = max(min_depth + 2, 14)
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stretch_depth = max_depth + 1
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start = time.clock()
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print "stretch tree of depth %d\t check:" % stretch_depth, check_tree(make_tree(0, stretch_depth))
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long_lived_tree = make_tree(0, max_depth)
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iterations = 2**max_depth
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for depth in xrange(min_depth, stretch_depth, 2):
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check = 0
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for i in xrange(1, iterations + 1):
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check += check_tree(make_tree(i, depth)) + check_tree(make_tree(-i, depth))
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print "%d\t trees of depth %d\t check:" % (iterations * 2, depth), check
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iterations /= 4
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print "long lived tree of depth %d\t check:" % max_depth, check_tree(long_lived_tree)
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print("elapsed: " + str(time.clock() - start)) |