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Chamkho

Khmer, Lao, Myanmar, and Thai word segmentation/breaking library and command line

Algorithm

https://github.com/veer66/wordcut-engine

C-ABI Library

https://github.com/veer66/wordcutw

Usage

Binary tarball

On Google Colab

!wget -q https://github.com/veer66/chamkho/releases/download/1.4.0/chamkho-1.4.0-linux-x64-musl.tar.gz -O - | tar -xzf -
with open('input.txt', 'w') as f:
  f.write(u'กาเตเภไก่')
!cd chamkho-1.4.0-linux-x64-musl; ./wordcut < ../input.txt; cd ..

On GNU/Linux

wget -q https://github.com/veer66/chamkho/releases/download/1.4.0/chamkho-1.4.0-linux-x64-musl.tar.gz -O - | tar -xzf - 
cd chamkho-1.4.0-linux-x64-musl
echo กากากา | ./wordcut
cd ..

On Windows Powershell

PS C:\ex1> $OutputEncoding = [console]::InputEncoding = [console]::OutputEncoding = New-Object System.Text.UTF8Encoding
PS C:\ex1> Invoke-WebRequest -uri https://github.com/veer66/chamkho/releases/download/1.1.0/chamkho-1.1.0-windows-amd64.zip -OutFile chamkho.zip
PS C:\ex1> Expand-Archive -Path .\chamkho.zip -DestinationPath .
PS C:\ex1> cd .\chamkho-1.1.0-windows-amd64\
PS C:\ex1\chamkho-1.1.0-windows-amd64> echo ฉันง่วงมาก | .\wordcut.
exe
ฉัน|ง่วง|มาก

As command line

echo "กากกา" | wordcut 

External dictionary

echo "กากกา" | wordcut -d <path to dictionary>

Specific language

echo "ພາສາລາວມີ" | wordcut -l lao
echo នៅក្នុងការប្រកបរបរអាជីវកម្ | wordcut -l khmer
echo မြန်မာမှာ | wordcut -l myanmar

WebAssembly

cargo build --target=wasm32-wasi
wasmtime --dir=$(pwd)/data target/wasm32-wasi/debug/wordcut.wasm

Benchmark

Setup

  • Computer: Hetzner's CX11
  • Rustc: rustc 1.53.0 (53cb7b09b 2021-06-17)
  • OS: Linux exper1 5.12.15-300.fc34.x86_64 #1 SMP Wed Jul 7 19:46:50 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
  • Script:
#!/bin/bash
set -x
INPUT=thwik-head1m.txt
#INPUT=x.txt
for i in {1..10}
do
  { time nlpo3 segment < $INPUT > o3 ; } 2>> bench_o3.txt
  { time wordcut < $INPUT > wc.txt ; } 2>> bench_wc.txt
done

Result

nlpo3

[root@exper1 ~]# grep real bench_o3.txt 
real    3m26.884s
real    3m15.001s
real    3m12.829s
real    3m11.998s
real    3m12.399s
real    3m13.829s
real    3m14.506s
real    3m9.198s
real    3m6.749s
real    3m8.729s

chamko

[root@exper1 ~]# grep real bench_wc.txt 
real    1m41.611s
real    1m40.262s
real    1m40.488s
real    1m40.765s
real    1m39.385s
real    1m41.002s
real    1m38.292s
real    1m35.906s
real    1m40.263s
real    1m36.523s

Average

  • nlpo3: 193.21s
  • chamkho: 99.44s

Benchmark 2

Chamkho and Newmm on Mac mini M1

Setup

  • Computer: Scaleway's Mac mini M1
  • Rustc: rustc 1.54.0 (a178d0322 2021-07-26)
  • Python: Python 3.8.2
  • OS: Darwin 506124d8-4acf-4595-9d46-8ca4b44b8110 20.6.0 Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:27 PDT 2021; root:xnu-7195.141.2~5/RELEASE_ARM64_T8101 arm64
  • Script:
#!/bin/bash

set -x

INPUT=thwik-head1m.txt

for i in {1..10}
do
  { time python3 newmm.py < $INPUT > newmm.out ; } 2>> bench_newmm.txt
  { time wordcut < $INPUT > cham.out ; } 2>> bench_chamkho.txt
done

Result

newmm

real    7m40.693s
real    7m40.623s
real    7m41.623s
real    7m40.438s
real    7m41.363s
real    7m39.108s
real    7m39.486s
real    7m39.946s
real    7m39.960s
real    7m40.279s

chamko

real    1m2.110s
real    1m2.200s
real    1m1.954s
real    1m1.823s
real    1m1.836s
real    1m1.864s
real    1m1.638s
real    1m1.641s
real    1m1.688s
real    1m1.923s

Average

  • newmm
$ grep real bench_newmm.txt | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}'
460.3519
  • chamkho:
$ grep real bench_chamkho.txt  | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}'
61.8677

Performance ratio

7.4

Benchmark 3

Chamkho and Newmm on Xeon

Setup

  • Computer: Hetzner's CX11
  • Rustc: rustc 1.54.0 (a178d0322 2021-07-26)
  • Python: Python 3.9.6
  • OS: Linux fedora-2gb-hel1-1 5.12.15-300.fc34.x86_64 #1 SMP Wed Jul 7 19:46:50 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
  • Script:
#!/bin/bash
set -x

INPUT=thwik-head1m.txt

for i in {1..10}
do
  { time python newmm.py < $INPUT > newmm.out ; } 2>> bench_newmm.txt
  { time wordcut < $INPUT > cham.out ; } 2>> bench_chamkho.txt
done

Result

newmm

# grep real bench_newmm.txt 
real    17m15.608s
real    17m14.038s
real    17m7.864s
real    17m17.329s
real    17m5.501s
real    17m10.841s
real    17m16.348s
real    17m19.813s
real    17m28.796s
real    17m26.056s

chamko

# grep real bench_chamkho.txt 
real    1m46.157s
real    1m47.785s
real    1m47.173s
real    1m45.656s
real    1m45.554s
real    1m46.612s
real    1m48.991s
real    1m49.656s
real    1m47.677s
real    1m47.876s

Average

  • newmm
# grep real bench_newmm.txt | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}'
1036.2194000000002
  • chamkho:
$ # grep real bench_chamkho.txt  | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}'
107.31370000000001

Performance ratio

9.65

Benchmark 4

Chamkho and Nlpo3 on Mac mini M1

Setup

  • Computer: Scaleway's Mac mini M1
  • Rustc: rustc 1.54.0 (a178d0322 2021-07-26)
  • OS: Darwin 506124d8-4acf-4595-9d46-8ca4b44b8110 20.6.0 Darwin Kernel Version 20.6.0: Wed Jun 23 00:26:27 PDT 2021; root:xnu-7195.141.2~5/RELEASE_ARM64_T8101 arm64
  • Script:
#!/bin/bash

set -x

INPUT=thwik-head1m.txt

for i in {1..10}
do
  { time wordcut < $INPUT > newmm.out ; } 2>> bench_chamkho.txt
  { time nlpo3 segment < $INPUT > cham.out ; } 2>> bench_o3.txt
done

Result

nlpo3

% grep real bench_o3.txt       
real    2m7.639s
real    2m7.024s
real    2m6.296s
real    2m7.731s
real    2m7.873s
real    2m7.028s
real    2m6.411s
real    2m6.974s
real    2m7.746s
real    2m6.955s

chamko

% grep real bench_chamkho.txt 
real    1m0.237s
real    1m1.799s
real    1m1.752s
real    1m1.373s
real    1m1.128s
real    1m1.870s
real    1m1.878s
real    1m1.709s
real    1m1.690s
real    1m1.030s

Average

  • nlpo3
% grep real bench_o3.txt | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}'
127.1677
  • chamkho:
% grep real bench_chamkho.txt | ruby -lane 'BEGIN { all = 0.0; cnt = 0 }; cols = $F[1].split(/[ms]/).map {|x| x.to_f }; v = cols[0]*60 + cols[1]; all += v; cnt += 1; END { p all/cnt}' 
61.44659999999999

Performance ratio

2.07

About

Khmer, Lao, Myanmar, and Thai word segmentation/breaking library and command line

Resources

License

Apache-2.0 and 4 other licenses found

Licenses found

Apache-2.0
LICENSE
Apache-2.0
LICENSE-PyThaiNLP
MIT
LICENSE-khmerdict
MIT
LICENSE-myanmar-dict
Apache-2.0
LICENSE-thai.txt

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