Commit Graph

26 Commits

Author SHA1 Message Date
Amos Bird
26ab5dd7a7 A Proper lookup table that uses HashTable's API
This is the first step of allowing heterogeneous cells in hash tables.

performance test results are

```

1. HashMap<UInt16, UInt8, TrivialHash, HashTableFixedGrower<16>>;
2. NewLookupMap<UInt16, UInt8>

ResolutionWidth 30000 1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................223550276.46
ResolutionWidth 30000 2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................248772721.24
Best: 2 - 24877272124

ResolutionWidth 100000 1 ..........................................................................................................................................................................................................................................................238498413.99
ResolutionWidth 100000 2 ..........................................................................................................................................................................................................................................................261808889.98
Best: 2 - 26180888998

ResolutionWidth 300000 1 ...................................................................................239307348.81
ResolutionWidth 300000 2 ...................................................................................257592761.30
Best: 2 - 25759276130

ResolutionWidth 1000000 1 .........................240144759.26
ResolutionWidth 1000000 2 .........................257093531.91
Best: 2 - 25709353191

ResolutionWidth 5000000 1 .....241573260.35
ResolutionWidth 5000000 2 .....259314162.79
Best: 2 - 25931416279

ResolutionDepth 30000 1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................217108119.84
ResolutionDepth 30000 2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................249459504.41
Best: 2 - 24945950441

ResolutionDepth 100000 1 ..........................................................................................................................................................................................................................................................229065162.17
ResolutionDepth 100000 2 ..........................................................................................................................................................................................................................................................253769105.64
Best: 2 - 25376910564

ResolutionDepth 300000 1 ...................................................................................233079225.18
ResolutionDepth 300000 2 ...................................................................................256316273.78
Best: 2 - 25631627378

ResolutionDepth 1000000 1 .........................234184633.51
ResolutionDepth 1000000 2 .........................261100491.57
Best: 2 - 26110049157

ResolutionDepth 5000000 1 .....233118795.66
ResolutionDepth 5000000 2 .....252436160.41
Best: 2 - 25243616041

```
2019-03-01 16:47:13 +08:00
Nikolai Kochetov
a249fc7788 Do nut use Arena in ColumnsHashing for string in functions arrayUniq and arrayEnumerate. 2019-02-05 14:14:09 +03:00
Nikolai Kochetov
91c63c201c Delete commented code. 2019-02-05 13:55:08 +03:00
Nikolai Kochetov
3afc0c8108 Disable prev key optimization for string keys. 2019-02-05 13:55:08 +03:00
Nikolai Kochetov
264da7f9d3 Implemented sets using ColumnsHashing. 2019-02-05 13:55:15 +03:00
Alexey Milovidov
928649004c Fixed UB #3920 2018-12-28 00:15:47 +03:00
Alexey Milovidov
b109ec8c77 Fixed UB #3920 2018-12-27 23:24:37 +03:00
Alexey Milovidov
29ffa46838 Less indirection #3920 2018-12-27 23:02:51 +03:00
Alexey Milovidov
88bdbc4dc7 Some additions to Amos Bird's optimization #3920 2018-12-27 22:58:30 +03:00
Alexey Milovidov
37bbc0ecd5 Fixed UB #3926 2018-12-26 04:08:14 +03:00
Alexey Milovidov
e8dc222b61 Fixed UB #3926 2018-12-26 03:28:13 +03:00
Amos Bird
8736a3908f left pad 2018-12-24 23:51:06 +08:00
alexey-milovidov
6d27777b19
Merge branch 'master' into ubsan-fixes-3 2018-12-14 20:52:54 +03:00
Alexey Milovidov
141e9799e4 Fixed error with "extractURLParameter" function (read after buffer); improved performance; added support for zero bytes in URLs; renamed Chars_t type [#CLICKHOUSE-2] 2018-11-25 03:08:50 +03:00
Alexey Milovidov
b82cf235b7 Suppressed one UBSan alert and added clarification in comment [#CLICKHOUSE-2] 2018-09-02 22:12:50 +03:00
Alexey Milovidov
538edbb8e2 Addition to prev. revision [#CLICKHOUSE-2] 2018-09-02 06:33:48 +03:00
Alexey Milovidov
d497d010d7 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-17 08:21:04 +03:00
Alexey Milovidov
7284a64740 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-16 00:32:25 +03:00
Alexey Milovidov
fb38ef9a8e Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-14 06:56:56 +03:00
Alexey Milovidov
819287b697 Better semantic of sharing columns: development [#CLICKHOUSE-2]. 2017-12-13 04:27:53 +03:00
Alexey Milovidov
3def5f03f5 Cleanup semantics of data types [#CLICKHOUSE-2]. 2017-12-09 19:17:37 +03:00
Alexey Milovidov
bdd25b15bd Better [#CLICKHOUSE-2]. 2017-12-01 22:34:51 +03:00
Alexey Milovidov
f5ecb2db5d Better [#CLICKHOUSE-2]. 2017-12-01 20:49:12 +03:00
f1yegor
8e261e34c5 translate comments: Interpreters 2017-06-03 19:21:00 +03:00
Yuri Dyachenko
23e824d7a9 add ClearableSetVariant 2017-04-07 20:12:54 +03:00
Alexey Milovidov
310736cd7e Moved headers and sources to same place [#CLICKHOUSE-3]. 2017-04-01 12:22:42 +03:00