1 | .\"------------------------------------------------------------
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2 | .\" Id - set Rv,revision, and Dt, Date using rcs-Id tag.
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3 | .de Id
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4 | .ds Rv \\$3
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5 | .ds Dt \\$4
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6 | ..
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7 | .\"------------------------------------------------------------
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8 | .TH mgpp_fast_comp_dict 1 \*(Dt CITRI
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9 | .SH NAME
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10 | mgpp_fast_comp_dict \- build a fast loading compression dictionary
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11 | .SH SYNOPSIS
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12 | .B mgpp_fast_comp_dict
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13 | [
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14 | .B \-h
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15 | ]
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16 | [
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17 | .BI \-d " directory"
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18 | ]
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19 | .BI \-f " name"
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20 | .SH DESCRIPTION
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21 | .B mgpp_fast_comp_dict
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22 | builds a fast-loading compression dictionary from the standard
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23 | compression dictionary. The new dictionary has the property that
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24 | .BR mgppquery (1)
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25 | can load it in very quickly, making the startup time for
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26 | .BR mgppquery (1)
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27 | much shorter. The new dictionary is larger on disk than the original,
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28 | but they are no different when it comes to memory usage.
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29 | .SH OPTIONS
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30 | Options may appear in any order.
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31 | .TP "\w'\fB\-d\fP \fIdirectory\fP'u+2n"
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32 | .B \-h
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33 | This displays a usage line on
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34 | .IR stderr .
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35 | .TP
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36 | .BI \-d " directory"
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37 | This specifies the directory where the document collection can be found.
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38 | .TP
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39 | .BI \-f " name"
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40 | This specifies the base name of the document collection.
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41 | .SH ENVIRONMENT
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42 | .TP "\w'\fBMGDATA\fP'u+2n"
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43 | .SB MGDATA
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44 | If this environment variable exists, then its value is used as the
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45 | default directory where the mgpp
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46 | collection files are. If this variable does not exist, then the
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47 | directory \*(lq\fB.\fP\*(rq is used by default. The command line
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48 | option
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49 | .BI \-d " directory"
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50 | overrides the directory in
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51 | .BR MGDATA .
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52 | .SH FILES
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53 | .TP 20
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54 | .B *.text.dict
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55 | Compression dictionary.
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56 | .TP
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57 | .B *.text.dict.fast
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58 | Fast loading compression dictionary.
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59 | .TP
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60 | .B *.text.dict.aux
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61 | Auxiliary compression dictionary.
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62 | .SH "SEE ALSO"
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63 | .na
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64 | .BR mgpp_compression_dict (1),
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65 | .BR mgpp_invf_dict (1),
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66 | .BR mgpp_passes (1),
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67 | .BR mgpp_perf_hash_build (1),
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68 | .BR mgpp_stem_idx (1),
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69 | .BR mgpp_weights_build (1)
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