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fzf
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44 Commits

Author SHA1 Message Date
Junegunn Choi 37dc273148
Micro-optimizations 
- Make structs smaller
- Introduce Result struct and use it to represent matched items instead of
  reusing Item struct for that purpose
- Avoid unnecessary memory allocation
- Avoid growing slice from the initial capacity
- Code cleanup
 2016-08-19 02:39:32 +09:00
Junegunn Choi 935272824e
Setting GOMAXPROCS is no longer needed 
https://golang.org/doc/go1.5
 2016-08-17 02:21:33 +09:00
Junegunn Choi 1d4057c209
[perf] Avoid allocating rune array for ascii string 
In the best case (all ascii), this reduces the memory footprint by 60%
and the response time by 15% to 20%. In the worst case (every line has
non-ascii characters), 3 to 4% overhead is observed.
 2016-08-14 00:41:30 +09:00
Junegunn Choi 24e1fabf2e
Do not process ANSI codes in --preview output at once 
Close #598
 2016-06-14 21:52:47 +09:00
Junegunn Choi 8d3a302a17 Simplify Item structure 
This commit compensates for the performance overhead from the
extended tiebreak option.
 2016-01-14 01:12:49 +09:00
Junegunn Choi 1d2d32c847 Accept comma-separated list of sort criteria 2016-01-13 21:27:43 +09:00
Junegunn Choi d635b3fd3c Update license: 2016 2016-01-13 02:16:26 +09:00
Junegunn Choi 81a88693c1 Make --extended default 
Close #400
 2015-11-03 22:49:32 +09:00
Junegunn Choi 2022a3ad96 Replace --header-file with --header (#346) 
and allow using --header and --header-lines at the same time.

Close #346.
 2015-09-15 19:04:53 +09:00
Junegunn Choi 65d9d416b4 Change exit status (0: OK, 1: No match, 2: Error/Interrupted) 
A la grep. Close #345
 2015-09-15 13:21:51 +09:00
Junegunn Choi 64443221aa Fix #344 - Backward scan when `--tiebreak=end` 2015-09-12 11:37:55 +09:00
Junegunn Choi 90b0cd44ac Should not strip ANSI codes when --ansi is not set 2015-08-28 21:23:10 +09:00
Junegunn Choi e13bafc1ab Performance fix - unnecessary rune convertion on --ansi 
> time cat /tmp/list | fzf-0.10.1-darwin_amd64 --ansi -fqwerty > /dev/null

    real    0m4.364s
    user    0m8.231s
    sys     0m0.820s

    > time cat /tmp/list | fzf --ansi -fqwerty > /dev/null

    real    0m4.624s
    user    0m5.755s
    sys     0m0.732s
 2015-08-02 14:25:57 +09:00
Junegunn Choi 0ea66329b8 Performance tuning - eager rune array conversion 
> wc -l /tmp/list2
     2594098 /tmp/list2

    > time cat /tmp/list2 | fzf-0.10.1-darwin_amd64 -fqwerty > /dev/null

    real    0m5.418s
    user    0m10.990s
    sys     0m1.302s

    > time cat /tmp/list2 | fzf-head -fqwerty > /dev/null

    real    0m4.862s
    user    0m6.619s
    sys     0m0.982s
 2015-08-02 14:00:18 +09:00
Junegunn Choi 634670e3ea Lint 2015-08-02 13:11:59 +09:00
Junegunn Choi 4e0e03403e Fix --header-lines unaffected by --with-nth 2015-07-22 21:24:02 +09:00
Junegunn Choi 5e3cb3a4ea Fix ANSI processor to handle multi-line regions 2015-07-22 14:19:45 +09:00
Junegunn Choi f469c25730 Add --header-lines option 2015-07-22 03:21:20 +09:00
Giulio Iotti f6dd32046e add support to nil-byte separated input strings, closes #121 2015-06-08 08:38:40 +00:00
Junegunn Choi 15099eb13b Remove duplicate processing of command-line options 2015-05-20 20:42:45 +09:00
Junegunn Choi f66d94c6b0 Add `--color=[dark|light|16|bw]` option 
- dark:  the current default for 256-color terminal
- light: color scheme for 256-color terminal with light background
- 16:    the default color scheme for 16-color terminal (`+2`)
- bw:    no colors (`+c`)
 2015-04-18 02:55:17 +09:00
Junegunn Choi 2fe1e28220 Improvements in performance and memory usage 
I profiled fzf and it turned out that it was spending significant amount
of time repeatedly converting character arrays into Unicode codepoints.
This commit greatly improves search performance after the initial scan
by memoizing the converted results.

This commit also addresses the problem of unbounded memory usage of fzf.
fzf is a short-lived process that usually processes small input, so it
was implemented to cache the intermediate results very aggressively with
no notion of cache expiration/eviction. I still think a proper
implementation of caching scheme is definitely an overkill. Instead this
commit introduces limits to the maximum size (or minimum selectivity) of
the intermediate results that can be cached.
 2015-04-17 22:23:52 +09:00
Junegunn Choi d1d59272a2 Add visual indication of --toggle-sort 
Close #194
 2015-04-16 14:46:10 +09:00
Junegunn Choi b8904a8c3e Add --tiebreak option for customizing sort criteria 
Close #191
 2015-04-16 14:19:28 +09:00
Junegunn Choi 50292adacb Implement --toggle-sort option (#173) 2015-03-31 22:05:16 +09:00
Junegunn Choi 84a7499ae3 Fix #172 - Print empty line when fzf with expect finished by -1 or -0 2015-03-31 20:52:16 +09:00
Junegunn Choi b431e227da Code cleanup 2015-03-22 16:05:54 +09:00
Junegunn Choi e70a2a5817 Add support for ANSI color codes 2015-03-19 01:59:14 +09:00
Junegunn Choi 94e8e6419f Make --filter non-blocking when --no-sort (#132) 
When fzf works in filtering mode (--filter) and sorting is disabled
(--no-sort), there's no need to block until input is complete. This
commit makes fzf print the matches on-the-fly when the following
condition is met:

    --filter FILTER --no-sort [--no-tac --no-sync]

or simply:

    -f FILTER +s

This removes unnecessary delay in use cases like the following:

    fzf -f xxx +s | head -5

However, in this case, fzf processes the input lines sequentially, so it
cannot utilize multiple cores, which makes it slightly slower than the
previous mode of execution where filtering is done in parallel after the
entire input is loaded. If the user is concerned about the performance
problem, one can add --sync option to re-enable buffering.
 2015-03-01 11:16:38 +09:00
Junegunn Choi c1aa5c5f33 Add --tac option and reverse display order of --no-sort 
DISCLAIMER: This is a backward incompatible change
 2015-02-26 01:42:15 +09:00
Junegunn Choi f5b034095a Fix race condition in asynchronous -1 and -0 2015-02-18 00:51:44 +09:00
Junegunn Choi e808151c28 Make --select-1 and --exit-0 asynchronous 2015-02-18 00:08:17 +09:00
Junegunn Choi 6c2ce28d0d Add `--sync` option 2015-02-13 12:25:19 +09:00
Junegunn Choi cd847affb7 Reorganize source code 2015-01-12 12:56:17 +09:00
Junegunn Choi 7a2bc2cada Lint 2015-01-12 03:18:40 +09:00
Junegunn Choi 9dbf6b02d2 Fix race conditions 
- Wait for completions of goroutines when cancelling a search
- Remove shared access to rank field of Item
 2015-01-11 23:49:12 +09:00
Junegunn Choi 1c31352675 Update src/README.md and package comment 2015-01-11 17:01:30 +09:00
Junegunn Choi b7bb100810 Improve response time by only looking at top-N items 2015-01-10 01:06:18 +09:00
Junegunn Choi aa05bf5206 Reduce memory footprint 2015-01-09 10:42:12 +09:00
Junegunn Choi f401c42f9c Adjust initial coordinator delay 2015-01-08 22:07:04 +09:00
Junegunn Choi d2f7acbc69 Remove race conditions when accessing the last chunk 2015-01-04 05:01:13 +09:00
Junegunn Choi 0dd024a09f Remove unnecessary delay on non/defered interactive mode 2015-01-04 05:00:28 +09:00
Junegunn Choi baad26a0fd Fix exit conditions of --select-1 and --exit-0 2015-01-04 01:36:33 +09:00
Junegunn Choi f3177305d5 Rewrite fzf in Go 2015-01-04 00:37:29 +09:00