54
96%

Ran 18 Jan 2018 03:27AM UTC

Jobs 4

Files 15

Run time 59s

Badge

Embed ▾

pending completion

Build # 54

Build Type

push

travis-ci

Committed by

twang2218

Commit Message

Improve slicing performance

* Replace `head()/tail()` with `data.table`'s indexing. It can improve performance by 30%~60%.

Before (`head()/tail()`):

---
Unit: milliseconds
                       expr        min         lq       mean     median         uq        max neval
  create_pmap(copy(el_10k))   331.3813   430.4172  1004.1038   486.5171   518.0146  5945.3911    10
 create_pmap(copy(el_100k))   417.2192   452.8110   544.5129   591.1354   607.8555   641.2991    10
   create_pmap(copy(el_1m))  2057.1037  2202.2641  4609.8769  2631.9217  7847.6545  8466.5252    10
  create_pmap(copy(el_10m)) 23082.6826 28037.9299 31128.4557 29865.4468 33355.8728 42216.4454    10
---

After (`data.table[]`):

---
Unit: milliseconds
                       expr        min         lq       mean     median         uq        max neval
  create_pmap(copy(el_10k))   339.9077   377.3973   642.3140   456.4188   971.7753  1240.7110    10
 create_pmap(copy(el_100k))   411.8673   414.4656   535.7509   451.7886   633.8586   956.8731    10
   create_pmap(copy(el_1m))  1181.9168  1206.9495  1629.7927  1542.5033  1881.3097  2672.0710    10
  create_pmap(copy(el_10m)) 16923.7892 16957.7548 19407.6900 18383.3316 19774.4897 29064.6801    10
---

Signed-off-by: Tao Wang <twang2218@gmail.com>

Run Details

336 of 343 relevant lines covered (97.96%)

70.86 hits per line

Jobs

ID	Job ID	Ran	Coverage
1	54.1	18 Jan 2018 03:28AM UTC	97.96	Travis Job 54.1
2	54.2	18 Jan 2018 03:28AM UTC	97.96	Travis Job 54.2
3	54.3	18 Jan 2018 03:27AM UTC	97.96	Travis Job 54.3
4	54.4	18 Jan 2018 03:27AM UTC	97.96	Travis Job 54.4

Source Files on build 54

Detailed source file information is not available for this build.

twang2218 / pmap / 54
96%

README BADGES
x

Markdown

Textile

RDoc

HTML

Rst

Jobs

Source Files on build 54

twang2218 / pmap / 54 96%

README BADGES x

Markdown

Textile

RDoc

HTML

Rst

Jobs

Source Files on build 54

twang2218 / pmap / 54
96%

README BADGES
x