diff options
Diffstat (limited to 'app')
| -rw-r--r-- | app/History.hs | 3 | ||||
| -rw-r--r-- | app/Parallel.hs | 9 |
2 files changed, 11 insertions, 1 deletions
diff --git a/app/History.hs b/app/History.hs index 1604760..b1ccd10 100644 --- a/app/History.hs +++ b/app/History.hs @@ -15,6 +15,7 @@ import Data.Text (Text, lines, unpack) import Data.Text.Encoding (decodeUtf8) import Issue (Issue (..), fromMatch, id) import Issue.Filter (Filter, applyFilter) +import Parallel (parMapM) import Process (quote, sh, sh_) import System.Directory (createDirectoryIfMissing, doesFileExist, getCurrentDirectory) import System.Exit (ExitCode (ExitFailure), exitWith) @@ -44,7 +45,7 @@ instance Exception InvalidTreeGrepperResult listIssues :: [Filter] -> [FilePath] -> IO [Issue] listIssues filters files = do commits <- fmap (lines . decodeUtf8 . L8.toStrict) $ sh ("git log --format=%H") - issueses <- mapM (\commit -> cached commit (\_ -> listIssuesOf commit filters files)) commits + issueses <- parMapM (\commit -> cached commit (\_ -> listIssuesOf commit filters files)) commits (currentIssues, historicalIssues) <- case issueses of currentIssues : historicalIssueses -> diff --git a/app/Parallel.hs b/app/Parallel.hs new file mode 100644 index 0000000..0b57545 --- /dev/null +++ b/app/Parallel.hs @@ -0,0 +1,9 @@ +module Parallel (parMapM) where + +import Control.Concurrent.ParallelIO.Local (parallel, withPool) +import GHC.Conc (getNumProcessors) + +parMapM :: (a -> IO b) -> [a] -> IO [b] +parMapM f xs = do + n <- getNumProcessors + withPool n $ \pool -> parallel pool (map f xs) |