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Joey Hess 9eb10caa27
Some optimisations to string splitting code. 
Turns out that Data.List.Utils.split is slow and makes a lot of
allocations. Here's a much simpler single character splitter that behaves
the same (even in wacky corner cases) while running in half the time and
75% the allocations.

As well as being an optimisation, this helps move toward eliminating use of
missingh.

(Data.List.Split.splitOn is nearly as slow as Data.List.Utils.split and
allocates even more.)

I have not benchmarked the effect on git-annex, but would not be surprised
to see some parsing of eg, large streams from git commands run twice as
fast, and possibly in less memory.

This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
2017-01-31 19:06:22 -04:00
..
Branch Unneded constraint 2016-01-28 12:34:07 -04:00
Content Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
LockPool clarify 2016-03-01 16:22:47 -04:00
MetaData update my email address and homepage url 2015-01-21 12:50:09 -04:00
View remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Action.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
AdjustedBranch.hs Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors. 2016-11-15 21:29:54 -04:00
AutoMerge.hs Fix bad automatic merge conflict resolution between an annexed file and a directory with the same name when in an adjusted branch. 2016-06-07 12:53:35 -04:00
BloomFilter.hs Another redundant constraint 2016-01-28 12:34:07 -04:00
Branch.hs config: New command for storing configuration in the git-annex branch. 2017-01-30 16:46:38 -04:00
BranchState.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
CatFile.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
ChangedRefs.hs make tor hidden service work when directory watching is not available 2016-12-09 16:40:47 -04:00
CheckAttr.hs annex.largefiles can be configured in .gitattributes too 2016-02-02 15:18:17 -04:00
CheckIgnore.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Common.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Concurrent.hs Sped up git-annex add in direct mode and v6 by using git hash-object --batch. 2016-03-14 15:58:46 -04:00
Content.hs Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors. 2016-11-15 21:29:54 -04:00
Difference.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Direct.hs Some optimisations to string splitting code. 2017-01-31 19:06:22 -04:00
DirHashes.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
Drop.hs --branch, stage 2 2016-07-20 15:23:43 -04:00
Environment.hs also avoid crashing in most circumstances if unable to determine the username 2016-06-08 15:04:15 -04:00
FileMatcher.hs Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors. 2016-11-15 21:29:54 -04:00
Fixup.hs avoid warnings about not exported System.Directory.isSymbolicLink 2016-04-28 15:18:11 -04:00
GitOverlay.hs Optimisations to git-annex branch query and setting, avoiding repeated copies of the environment. 2016-09-29 13:36:48 -04:00
HashObject.hs Sped up git-annex add in direct mode and v6 by using git hash-object --batch. 2016-03-14 15:58:46 -04:00
Hook.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Ingest.hs lock: Fix edge cases where data loss could occur in v6 mode. 2016-10-17 13:58:43 -04:00
Init.hs Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors. 2016-11-15 21:29:54 -04:00
InodeSentinal.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
Journal.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
Link.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
Locations.hs Revert ServerAliveInterval 2016-12-13 12:12:38 -04:00
LockFile.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
LockPool.hs pid locking configuration and abstraction layer for git-annex 2015-11-12 17:50:34 -04:00
MakeRepo.hs Use git-annex init --version=6 to get v6 for now 2015-12-15 17:17:13 -04:00
MetaData.hs Added metadata --batch option, which allows getting, setting, deleting, and modifying metadata for multiple files/keys. 2016-07-27 10:46:25 -04:00
Notification.hs plumb assicated files through P2P protocol for updating transfer logs 2016-12-02 16:42:54 -04:00
NumCopies.hs handle SomeAsyncException same as AsyncException 2016-06-20 10:31:47 -04:00
Path.hs Fix bug introduced in the last release that broke git-annex sync when git-annex was installed from the standalone tarball. 2015-03-27 12:55:18 -04:00
Perms.hs fsck: Warn when core.sharedRepository is set and an annex object file's write bit is not set and cannot be set due to the file being owned by a different user. 2016-04-14 15:36:53 -04:00
Queue.hs withAltRepo needs a separate queue of changes 2016-06-03 13:57:00 -04:00
Quvi.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
ReplaceFile.hs Windows: Fix an over-long temp directory name. 2016-05-06 12:49:41 -04:00
SpecialRemote.hs implement p2p command 2016-11-30 14:35:24 -04:00
Ssh.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
TaggedPush.hs Some optimisations to string splitting code. 2017-01-31 19:06:22 -04:00
Transfer.hs update progress logs in remotedaemon send/receive 2016-12-08 19:56:02 -04:00
Url.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
UUID.hs When built with ut uid-1.3.12, generate more random UUIDs than before 2016-07-27 07:46:08 -04:00
VariantFile.hs Always use filesystem encoding for all file and handle reads and writes. 2016-12-24 14:46:31 -04:00
Version.hs Support using v3 repositories without upgrading them to v5. 2016-10-05 16:53:09 -04:00
View.hs Avoid backtraces on expected failures when built with ghc 8; only use backtraces for unexpected errors. 2016-11-15 21:29:54 -04:00
Wanted.hs remove 163 lines of code without changing anything except imports 2016-01-20 16:36:33 -04:00
WorkTree.hs upgrade: Handle upgrade to v6 when the repository already contains v6 unlocked files whose content is already present. 2016-10-17 15:19:47 -04:00