---
name: "slmpack"
section: "1"
platform: "linux"
package: "sunpinyin"
version: "3.0.0rc2-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/slmpack"
---

# slmpack(1)

convert the ARPA format of SunPinyin back-off language model to its binary representation

## NAME

slmpack - convert the ARPA format of SunPinyin back-off language model to its binary representation

## SYNOPSIS

**slmpack** *arpa\_file* *dict\_file* *binary\_slm\_file*

## DESCRIPTION

**slmpack** converts the ARPA format of a threaded SunPinyin back-off language model to its binary representation.

## NOTE

If you convert a language model to ARPA format using **slminfo**, and then convert it back using **slmpack**, the check-sum of generated binary file may be different from that of the original one. The reason is the padding bits in the n-gram instances are not initialized before  writing the data out.

## AUTHOR

Originally written by Kov.Chai \<tchaikov@gmail.com\>. Currently maintained by Kov.Chai \<tchaikov@gmail.com\>.

## SEE ALSO

[**slminfo**(1)](/slminfo/1.md).