Commit graph

10 commits

Author SHA1 Message Date
John Kerl
7a97c9b868
Performance improvement by JIT type inference (#786)
* JIT mlrval type-interfence: mlrval package

* mlrmap refactor

* complete merge from #779

* iterating

* mlrval/format.go

* mlrval/copy.go

* bifs/arithmetic_test.go

* iterate on bifs/collections_test.go

* mlrval_cmp.go

* mlrval JSON iterate

* iterate applying mlrval refactors to dependent packages

* first clean compile in a long while on this branch

* results of first post-compile profiling

* testing

* bugfix in ofmt formatting

* bugfix in octal-supporess

* go fmt

* neaten

* regression tests all passing
2021-12-20 23:56:04 -05:00
John Kerl
58d9ad19bc
Record hashing perf (#781)
* todo

* Rename inputChannel,outputChannel to readerChannel,writerChannel

* Rename inputChannel,outputChannel to readerChannel,writerChannel (#772)

* Start batched-reader API mods

* Singleton-list step for reader-batching at input

* CLI options for records-per-batch and hash-records

* Push channelized-reader logic into DKVP reader

* Push batching logic into chain-transformer, transformers, and channel-writer

* foo

* cmd/mprof and cmd/mprof2

* cmd/mprof3 and cmd/mprof4

* narrowed in on regexp-splitting on IFS/IPS as perf-hit

* neaten

* channelize nidx

* cmd/mprof5

* channelize CSV reader

* channelize NIDX reader

* Dedupe DKVP-reader and NIDX-reader source files

* channelize CSV-lite reader

* channelize XTAB reader

* batchify JSON reader

* channelize GEN pseudo-reader

* scripts for perf-testing on larger files

* merge with main for #776

* Fix record-batching for join and repl

* Fix comment-handling in channelized XTAB reader

* Fix bug found in positional-rename

* Use --no-hash-records by default
2021-12-14 22:41:40 -05:00
John Kerl
f233923351
Performance improvement: record-batching (#779)
* Rename inputChannel,outputChannel to readerChannel,writerChannel

* Rename inputChannel,outputChannel to readerChannel,writerChannel (#772)

* Start batched-reader API mods

* Singleton-list step for reader-batching at input

* CLI options for records-per-batch and hash-records

* Push channelized-reader logic into DKVP reader

* Push batching logic into chain-transformer, transformers, and channel-writer

* foo

* cmd/mprof and cmd/mprof2

* cmd/mprof3 and cmd/mprof4

* narrowed in on regexp-splitting on IFS/IPS as perf-hit

* neaten

* channelize nidx

* cmd/mprof5

* channelize CSV reader

* channelize NIDX reader

* Dedupe DKVP-reader and NIDX-reader source files

* channelize CSV-lite reader

* channelize XTAB reader

* batchify JSON reader

* channelize GEN pseudo-reader

* scripts for perf-testing on larger files

* merge with main for #776

* Fix record-batching for join and repl

* Fix comment-handling in channelized XTAB reader

* Fix bug found in positional-rename
2021-12-13 00:57:52 -05:00
John Kerl
7c9cc61ac9
Fix issue with pipe or dot as IFS for DKVP/NIDX/CSV-lite (#778) 2021-12-12 23:25:16 -05:00
John Kerl
107ab5c4c9
Performance improvement for CSV-lite and DKVP (#774)
* Clarify build-from-source steps

* Performance improvement for CSV-lite and DKVP
2021-12-08 22:47:53 -05:00
John Kerl
cef753c232
Performance improvement: buffered output (#765)
* Experimental #!/usr/bin/env mlr -s feature

* Allow flags after verbs, for shebang support

* Performance optmization: less frequent syscall.write on output
2021-12-01 20:12:31 -05:00
John Kerl
d9dbb1e92e
Improvements for shebang-script handling (#758)
* Experimental #!/usr/bin/env mlr -s feature

* Allow flags after verbs, for shebang support
2021-11-24 01:15:28 -05:00
John Kerl
4394819cf8
Approximate-match feature for online help (#754)
* Explicitly support approximate-match help

* Unit tests for exact and approximate help
2021-11-17 23:37:48 -05:00
John Kerl
bc72cd1857
More Go-package restructuring (#748) 2021-11-12 12:49:55 -05:00
John Kerl
e2b6ec2391
Standardize Go-package structure (#746) 2021-11-11 14:15:13 -05:00