dis(1) General Commands Manual dis(1)
Name
dis - disassemble an object file
Syntax
dis [-h] [-S] [-p procedure] [ file ... ]
Description
The dis command disassembles object files into machine instructions. Note that assembler code and machine code can differ depending on the
machine type. A file can be an object or an archive file.
Options
-h Prints the general register names, rather than the software register names.
-p Disassembles only the specified procedure from the object file.
-S Lists the source listings. Otherwise, only instructions are listed.
Restrictions
You cannot disassemble an archive.
RISC dis(1)
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SLMBUILD(1) User Contributed Perl Documentation SLMBUILD(1)
NAME
slmbuild - generate language model from idngram file
SYNOPSIS
slmbuild [option]... idngram_file...
DESCRIPTION
slmbuild generates a back-off smoothing language model from a given idngram file. Generally, the idngram_file is created by ids2ngram.
OPTIONS All the following options are mandatory.
-n,--NMax N
1 for unigram, 2 for bigram, 3 for trigram. Any number not in the range of 1..3 is not valid.
-o, --out output-file
Specify the output xfilei name.
-l, --log
using -log(pr), use pr directly by default.
-w, --wordcount N
Lexican size, number of different words.
-b, --brk id...
Set the ids which should be treated as breaker.
-e, --e id...
Set the ids which should not be put into LM.
-c, --cut c...
k-grams whose freq <= c[k] are dropped.
-d, --discount method, param...
The k-th -d parm specifies the discount method
For k-gram, possibble values for method/param are:
B<GT>,I<R>,I<dis> : B<GT> discount for r E<lt>= I<R>, r is the freq of a ngram.
Linear discount for those r E<gt> I<R>, i.e. r'=r*dis
0 E<lt>E<lt> dis E<lt> 1.0, for example 0.999
B<ABS>,[I<dis>] : Absolute discount r'=r-I<dis>. And I<dis> is optional
0 E<lt>E<lt> I<dis> E<lt> cut[k]+1.0, normally I<dis> E<lt> 1.0.
LIN,[I<dis>] : Linear discount r'=r*dis. And dis is optional
0 E<lt> dis E<lt> 1.0
NOTE
-n must be given before -c -b. And -c must give right number of cut-off, also -ds must appear exactly N times specifying the discounts for
1-gram, 2-gram..., respectively.
BREAKER-IDs could be SentenceTokens or ParagraphTokens. Conceptually, these ids have no meaning when they appeared in the middle of n-gram.
EXCLUDE-IDs could be ambiguious-ids. Conceptually, n-grams which contain those ids are meaningless.
We can not erase ngrams according to BREAKER-IDS and EXCLUDE-IDs directly from IDNGRAM file, because some low-level information is still
useful in it.
EXAMPLE
Following example read 'all.id3gram' and write trigram model 'all.slm'.
At 1-gram level, use Good-Turing discount with cut-off 0, i<R>=8, dis=0.9995. At 2-gram level, use Absolute discount with cut-off 3, dis
auto-calc. At 3-gram level, use Absolute discount with cut-off 2, dis auto-calc. Word id 10,11,12 are breakers (sentence/para/paper
breaker, etc). Exclude-ID is 9. Lexicon contains 200000 words. The result languagme model uses -log(pr).
slmbuild -l -n 3 -o all.slm -w 200000 -c 0,3,2 -d GT,8,0.9995 -d ABS -d ABS -b 10,11,12 -e 9 all.id3gram
AUTHOR
Originally written by Phill.Zhang <phill.zhang@sun.com>. Currently maintained by Kov.Chai <tchaikov@gmail.com>.
SEE ALSO
ids2ngram(1), slmprune(1).
perl v5.14.2 2012-06-09 SLMBUILD(1)