I updated John's
benchmark https://gist.github.com/michaelt/7f89dc8b366b30bb6acc
Here are the results I got. As I said in the readme, this is the perfect
test for conduit's
fusion system. The difference from Pipes is just the avoidance of piping;
one could also
write direct functions, like
filter :: Monad m => (a -> Bool) -> Producer a m r -> Producer a m r
Apart from that, the only difference would be that between
Step (a :> rest)
and
Respond a (\() -> rest)
... right? Step has an extra constructor, Respond hides the 'rest' behind
a trivial function.
filter (\x -> x `mod` 2 == 0) . map (+1) . drop 1000 . map (+1) .
filter even . fromList
basic tests
passes tests
Finished in 0.0007 seconds
1 example, 0 failures
benchmarking basic/stream
time 83.72 ms (74.88 ms .. 89.07 ms)
0.990 R² (0.984 R² .. 0.998 R²)
mean 84.65 ms (81.77 ms .. 90.04 ms)
std dev 6.301 ms (3.204 ms .. 9.272 ms)
variance introduced by outliers: 19% (moderately inflated)
benchmarking basic/iostreams
time 259.1 ms (230.2 ms .. 288.6 ms)
0.996 R² (0.989 R² .. 1.000 R²)
mean 259.6 ms (251.4 ms .. 265.8 ms)
std dev 8.216 ms (3.490 ms .. 11.14 ms)
variance introduced by outliers: 16% (moderately inflated)
benchmarking basic/pipes
time 226.0 ms (198.4 ms .. 246.4 ms)
0.988 R² (0.954 R² .. 1.000 R²)
mean 240.8 ms (228.6 ms .. 262.2 ms)
std dev 21.00 ms (6.224 ms .. 29.73 ms)
variance introduced by outliers: 16% (moderately inflated)
benchmarking basic/conduit
time 99.89 ms (89.77 ms .. 107.4 ms)
0.986 R² (0.957 R² .. 0.997 R²)
mean 94.71 ms (82.12 ms .. 100.8 ms)
std dev 12.84 ms (5.137 ms .. 21.08 ms)
variance introduced by outliers: 43% (moderately inflated)
benchmarking basic/simple-conduit
time 201.3 ms (178.7 ms .. 213.6 ms)
0.994 R² (0.978 R² .. 1.000 R²)
mean 196.2 ms (187.7 ms .. 200.1 ms)
std dev 6.333 ms (3.048 ms .. 7.932 ms)
variance introduced by outliers: 14% (moderately inflated)
benchmarking basic/fusion
time 124.7 ms (112.6 ms .. 131.7 ms)
0.993 R² (0.983 R² .. 0.999 R²)
mean 123.5 ms (119.6 ms .. 132.0 ms)
std dev 7.873 ms (2.680 ms .. 12.60 ms)
variance introduced by outliers: 12% (moderately inflated)
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