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pragtobgists / some_code.ex
Created June 15, 2016 19:05
Pls
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pragtobgists / my_map.ex
Last active June 24, 2016 07:08
Map implementations both with TCO and without
defmodule MyMap do
def map_tco(list, function) do
Enum.reverse _map_tco([], list, function)
end
defp _map_tco(acc, [head | tail], function) do
_map_tco([function.(head) | acc], tail, function)
end
defp _map_tco(acc, [], _function) do
@pragtobgists
pragtobgists / no_tco_list.exs
Last active June 24, 2016 07:45
Running map implementations on a large list to see memory consumption
list = Enum.to_list(1..100_000_000)
MyMap.map_body(list, fn(i) -> i + 1 end)
@pragtobgists
pragtobgists / run_parallel.exs
Created July 12, 2016 07:06
Parallel benchee benchmark executing each job with a parallelity level of 2
list = Enum.to_list(1..10_000)
map_fun = fn(i) -> [i, i * i] end
Benchee.run(%{time: 3, parallel: 2}, %{
"flat_map" => fn -> Enum.flat_map(list, map_fun) end,
"map.flatten" => fn -> list |> Enum.map(map_fun) |> List.flatten end
})
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pragtobgists / multiple_formatters.exs
Last active July 12, 2016 07:07
Mutliple formatters in benchee
list = Enum.to_list(1..10_000)
map_fun = fn(i) -> [i, i * i] end
Benchee.run(
%{
formatters: [
&Benchee.Formatters.CSV.output/1,
&Benchee.Formatters.Console.output/1
],
csv: %{file: "my.csv"}
@pragtobgists
pragtobgists / benchmark.exs
Created October 13, 2016 08:00
Unit Scaling in benchee in action
list = Enum.to_list(1..10_000)
map_fun = fn(i) -> [i, i * i] end
Benchee.run(%{time: 3}, %{
"flat_map" => fn -> Enum.flat_map(list, map_fun) end,
"map.flatten" => fn -> list |> Enum.map(map_fun) |> List.flatten end
})
@pragtobgists
pragtobgists / benchmark.exs
Created October 13, 2016 08:04
Run with smallest scaling
list = Enum.to_list(1..10_000)
map_fun = fn(i) -> [i, i * i] end
Benchee.run(%{time: 3, console: %{unit_scaling: :smallest}}, %{
"flat_map" => fn -> Enum.flat_map(list, map_fun) end,
"map.flatten" => fn -> list |> Enum.map(map_fun) |> List.flatten end
})
@pragtobgists
pragtobgists / deep_merge.exs
Created November 10, 2016 19:14
deep_merge in action
DeepMerge.deep_merge(%{a: 1, b: [x: 10, y: 9]}, %{b: [y: 20, z: 30], c: 4})
# => %{a: 1, b: [x: 10, y: 20, z: 30], c: 4}
@pragtobgists
pragtobgists / new_run.exs
Created December 1, 2016 14:21
New benchee API
list = Enum.to_list(1..10_000)
map_fun = fn(i) -> [i, i * i] end
Benchee.run(%{
"flat_map" => fn -> Enum.flat_map(list, map_fun) end,
"map.flatten" => fn -> list |> Enum.map(map_fun) |> List.flatten end
},
formatters: [
&Benchee.Formatters.HTML.output/1,
&Benchee.Formatters.Console.output/1
@pragtobgists
pragtobgists / multiple_inputs.exs
Created December 1, 2016 14:38
Multiple inputs
map_fun = fn(i) -> [i, i * i] end
Benchee.run(%{
"flat_map" => fn(input) -> Enum.flat_map(input, map_fun) end,
"map.flatten" => fn(input) -> input |> Enum.map(map_fun) |> List.flatten end
},
inputs: %{
"Small" => Enum.to_list(1..1000),
"Bigger" => Enum.to_list(1..100_000)
})