----------------------------------------------------------------------------- -- | -- Module : PlotTest -- Copyright : Simon Meier -- License : BSD3-style (see LICENSE) -- -- Maintainer : Simon Meier <iridcode@gmail.com> -- Stability : experimental -- Portability : GHC -- -- Test plotting for the benchmarks. -- package. -- ----------------------------------------------------------------------------- module PlotTest where import Prelude hiding (lines) import Data.List (unfoldr) import Data.Word (Word8) import Data.Maybe import Data.Accessor import Data.Colour import Data.Colour.Names import Graphics.Rendering.Chart import Graphics.Rendering.Chart.Grid import Graphics.Rendering.Chart.Gtk import Criterion import Criterion.Environment import Criterion.Monad import Criterion.Types import Criterion.Config import Control.Monad import Control.Monad.Trans import Control.Monad.Trans.Reader import Statistics.Types import qualified System.Random as R -- Plots to be generated ------------------------ {- Compression: 1 plot (title "compressing <n> MB of random data using 'zlib') 3 lines (direct, compacted using a Builder, compaction time) [chunk size/ms] ChunkedWrite: 1 plot (title "serializing a list of <n> elements") 1 line per type of element [chunk size/ms] Throughput: 5 x 3 plots (word type x endianness) (title "<n> MB of <type> (<endianness>)") 1 line per type of Word [chunk size/ MB/s] -} -- | A pseudo-random stream of 'Word8' always started from the same initial -- seed. randomWord8s :: [Word8] randomWord8s = map fromIntegral $ unfoldr (Just . R.next) (R.mkStdGen 666) -- Main function ---------------- main :: IO () main = undefined -- Benchmarking Infrastructure ------------------------------ type MyCriterion a = ReaderT Environment Criterion a -- | Run a list of benchmarks; flattening benchmark groups to a path of strings. runFlattenedBenchmarks :: [Benchmark] -> MyCriterion [([String],Sample)] runFlattenedBenchmarks = (concat `liftM`) . mapM (go id) where go path (Benchmark name b) = do env <- ask sample <- lift $ runBenchmark env b return [(path [name], sample)] go path (BenchGroup name bs) = concat `liftM` mapM (go (path . (name:))) bs -- | Run a benchmark for a series of data points; e.g. to measure scalability -- properties. runSeriesBenchmark :: (a -> Benchmark) -> [a] -> MyCriterion [(a,Sample)] runSeriesBenchmark mkBench xs = (zip xs . map snd) `liftM` runFlattenedBenchmarks (map mkBench xs) -- | Use the given config to measure the environment and then run the embedded -- criterion operation with this information about the environment. runMyCriterion :: Config -> MyCriterion a -> IO a runMyCriterion config criterion = do env <- withConfig config measureEnvironment withConfig config (runReaderT criterion env) -- Plotting Infrastructure -------------------------- colorPalette :: [Colour Double] colorPalette = [blue, green, red, yellow, magenta, cyan] lineStylePalette :: [CairoLineStyle] lineStylePalette = map (solidLine 1 . opaque) colorPalette ++ map (dashedLine 1 [5, 5] . opaque) colorPalette -- | > ((title, xName, yName), [(lineName,[(x,y)])]) type PlotData = ((String, String, String), [(String, [(Int, Double)])]) layoutPlot :: PlotData -> Layout1 Int Double layoutPlot ((title, xName, yName), lines) = layout1_plots ^= map (Right . toPlot) plots $ layout1_title ^= title $ layout1_bottom_axis ^= mkLinearAxis xName $ layout1_right_axis ^= mkLogAxis yName $ defaultLayout1 where (linesName, linesData) = unzip lines plots = zipWith3 plotLine linesName (cycle lineStylePalette) linesData -- | Plot a single named line using the given line style. plotLine :: String -> CairoLineStyle -> [(Int,Double)] -> PlotLines Int Double plotLine name style points = plot_lines_title ^= name $ plot_lines_style ^= style $ plot_lines_values ^= [points] $ defaultPlotLines mkLinearAxis :: String -> LayoutAxis Int mkLinearAxis name = laxis_title ^= name $ defaultLayoutAxis mkLogAxis :: String -> LayoutAxis Double mkLogAxis name = laxis_title ^= name $ laxis_generate ^= autoScaledLogAxis defaultLogAxis $ defaultLayoutAxis {- -- Plot Experiments ------------------- testData :: [(Int,Double)] testData = zip xs (map (fromIntegral . (^2)) xs) where xs = [1,2,4,8,16,32] blazeLineStyle = solidLine 1 . opaque binaryLineStyle = dashedLine 1 [5, 5] . opaque plots :: [PlotLines Int Double] plots = [ plotLine [c] style testData | (c, style) <- zip ['a'..] (cycle lineStylePalette) ] mkLayout xname yname title p = layout1_plots ^= [Right p] $ layout1_title ^= title $ layout1_bottom_axis ^= mkLinearAxis xname $ layout1_right_axis ^= mkLogAxis yname $ defaultLayout1 layouts = zipWith (mkLayout "chunksize" "MB/s") (map return ['A'..]) (map toPlot plots) testGrid = aboveN $ map (besideN . map (flip tspan (1,1) . toRenderable)) [l1,l2] where (l1,l2) = splitAt 3 layouts testIt = renderableToWindow (gridToRenderable testGrid) 640 480 -} {- mkChart :: [((String,CairoLineStyle,a), [(Int, IO (Maybe Double))])] -> IO () mkChart task = do lines <- catMaybes `liftM` mapM measureSerializer task let plottedLines = flip map lines $ \ ((name,lineStyle,_), points) -> plot_lines_title ^= name $ plot_lines_style ^= lineStyle $ plot_lines_values ^= [points] $ defaultPlotLines let layout = defaultLayout1 { layout1_plots_ = map (Right . toPlot) plottedLines } renderableToWindow (toRenderable layout) 640 480 measureSerializer :: (a, [(Int, IO (Maybe Double))]) -> IO (Maybe (a, [(Int,Double)])) measureSerializer (info, tests) = do optPoints <- forM tests $ \ (x, test) -> do optY <- test case optY of Nothing -> return Nothing Just y -> return $ Just (x, y) case catMaybes optPoints of [] -> return Nothing points -> return $ Just (info, points) -}