Last active
August 29, 2015 13:56
-
-
Save remusao/9344557 to your computer and use it in GitHub Desktop.
Bench between Array and Dict in Julia
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function findarg(args::Vector{(Symbol, ASCIIString)}, key::Symbol, default) | |
for (s, v) in args | |
is(key, s) && return v | |
end | |
return default | |
end | |
function benchDict(kwargs::Dict{Symbol, ASCIIString}, keys::Vector{Symbol}) | |
for i = 1:100000 | |
for s in keys | |
res = get(kwargs, s, "Impossible") | |
end | |
end | |
end | |
function benchArray(kwargs::Vector{(Symbol, ASCIIString)}, keys::Vector{Symbol}) | |
for i = 1:100000 | |
for s in keys | |
res = findarg(kwargs, s, "Impossible") | |
end | |
end | |
end | |
function bench(output::Bool) | |
for nbElem in 1:100 | |
# Create keys | |
keys = [symbol(randstring(10)) for i = 1:nbElem] | |
# Create values | |
values = [randstring(10) for i = 1:nbElem] | |
# Dict | |
kwargs = Dict{Symbol, ASCIIString}(keys, values) | |
t1 = @elapsed benchDict(kwargs, keys) | |
# Array | |
kwargs = collect(zip(keys, values)) | |
t2 = @elapsed benchArray(kwargs, keys) | |
if output | |
println("Test $nbElem, t_dict: $t1, t_array: $t2") | |
if (t1 - t2) <= 0 | |
println("> \033[31m", "Dict", "\033[37m", " is faster: $(t2 - t1)") | |
else | |
println("> \033[32m", "Array", "\033[37m", " is faster: $(t1 - t2)") | |
end | |
end | |
end | |
end | |
bench(false) | |
bench(true) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment