Commit Graph

12 Commits

Author SHA1 Message Date
Junegunn Choi
bd98f988f0
Further reduce unnecessary rune array conversion
I was too quick to release 0.16.9, this commit makes --ansi processing
even faster.
2017-07-21 17:31:11 +09:00
Junegunn Choi
bbe10f4f77
Consolidate Result and rank structs
By not storing item index twice, we can cut down the size of Result
struct and now it makes more sense to store and pass Results by values.
Benchmarks show no degradation of performance by additional pointer
indirection for looking up index.
2017-07-18 03:14:33 +09:00
Junegunn Choi
827a83efbc
Remove Offset slice from Result struct 2016-08-20 01:53:32 +09:00
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
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
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
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
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
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
6e86fee588 Change Merger implementation on --no-sort 2015-01-10 14:24:12 +09:00
Junegunn Choi
b7bb100810 Improve response time by only looking at top-N items 2015-01-10 01:06:18 +09:00