Created
November 5, 2012 17:43
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Julia Python microbenchmarks take 2
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| from timeit import timeit | |
| A = timeit(setup = 'import test,random; n = range(10**6)', stmt = 'test.stress1(n)', | |
| number=5) / 5.0 | |
| B = timeit(setup = 'import test,random; n = range(10**6); random.shuffle(n)', | |
| stmt = 'test.stress1(n)', | |
| number=5) / 5.0 | |
| C = timeit(setup='import test,random; n = [random.randint(0,100) for i in range(10**6)]', | |
| stmt = 'test.stress1(n)', | |
| number=5) / 5.0 | |
| D = timeit(setup='import test,random; n = [random.randint(0,100000000) for i in range(10**6)]', | |
| stmt = 'test.stress1(n)', | |
| number=5) / 5.0 | |
| E = timeit(setup='import test', | |
| stmt = 'test.stress_strings(10**6)', | |
| number=5) / 5.0 | |
| print("%15s %6.2fs %5.2fs %5.2fs %5.2fs %5.2fs" % ("Python", A, B, C, D, E)) |
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| function stress1(keys::Array{Int,1}) | |
| x = Dict{Int,Float64}() | |
| for i in keys | |
| x[i] = 0.0 | |
| end | |
| return x | |
| end | |
| function stress_strings(n::Int) | |
| d = Dict{String,Int}() | |
| for i = 1:n | |
| d[string(i)] = i | |
| end | |
| return d | |
| end | |
| N = 10^6; | |
| n = [1:N]; | |
| A = mean([@elapsed stress1(n) for i=1:5]) | |
| n = shuffle([1:N]); | |
| B = mean([@elapsed stress1(n) for i=1:5]) | |
| n = randi((0,100),N); | |
| C = mean([@elapsed stress1(n) for i=1:5]) | |
| n = randi((0,100000000),N); | |
| D = mean([@elapsed stress1(n) for i=1:5]) | |
| E = mean([@elapsed stress_strings(N) for i in 1:5]) | |
| @printf("%15s %6s %6s %6s %6s %6s\n", "","A","B","C","D","E") | |
| println("----------------------------------------------------") | |
| #@printf("%15s %6.2fs %5.2fs %5.2fs %5.2fs %5.2fs", "julia@3711a14090", A, B, C, D, E) | |
| @printf("%15s %6.2fs %5.2fs %5.2fs %5.2fs %5.2fs", "^^ with IIT", A, B, C, D, E) |
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| def stress_strings(n): | |
| d = {} | |
| for i in xrange(1,n): | |
| d[str(i)] = i | |
| return d | |
| def stress1(keys): | |
| x = {} | |
| for i in keys: | |
| x[i] = 0.0 | |
| return x |
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