Groonga - fulltext search engine.

[Groonga-commit] pgroonga/pgroonga.github.io at 147b93f [master] Add graph for full text search benchmark

Kouhei Sutou null+****@clear*****
Thu Nov 17 00:59:22 JST 2016

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Kouhei Sutou	2016-11-17 00:59:22 +0900 (Thu, 17 Nov 2016)

  New Revision: 147b93f556e85d10f3f833159b95ee65ec49274b
  https://github.com/pgroonga/pgroonga.github.io/commit/147b93f556e85d10f3f833159b95ee65ec49274b

  Message:
    Add graph for full text search benchmark

  Added files:
    data/pgroonga-textsearch-pg-trgm/search.gnuplot
    data/pgroonga-textsearch-pg-trgm/search.tsv
    images/pgroonga-textsearch-pg-trgm/search-only-postgresql-or-mysql.svg
    images/pgroonga-textsearch-pg-trgm/search-without-groonga.svg
    images/pgroonga-textsearch-pg-trgm/search-without-pg-trgm.svg
    images/pgroonga-textsearch-pg-trgm/search.svg
  Modified files:
    Rakefile
    _config.yml
    reference/pgroonga-versus-textsearch-and-pg-trgm.md

  Modified: Rakefile (+24 -1)
===================================================================
--- Rakefile    2016-11-16 19:07:00 +0900 (76309f8)
+++ Rakefile    2016-11-17 00:59:22 +0900 (f6f70be)
@@ -12,4 +12,27 @@ Jekyll::Task::I18n.define do |task|
   end
 end
 
-task :default => "jekyll:i18n:translate"
+plot = Pathname.new("data/pgroonga-textsearch-pg-trgm/search.gnuplot")
+svgs = []
+plot.open do |plot_file|
+  plot_file.each_line do |line|
+    case line.chomp
+    when /\Aset output "(.*?)"\z/
+      svgs << "images/pgroonga-textsearch-pg-trgm/#{$1}"
+    end
+  end
+end
+
+key_svg = svgs.first
+file key_svg => plot.to_s do
+  cd(plot.dirname) do
+    sh("gnuplot", plot.basename.to_s)
+  end
+  svgs.each do |svg|
+    mkdir_p(File.dirname(svg))
+    mv("#{plot.dirname}/#{File.basename(svg)}",
+       svg)
+  end
+end
+
+task :default => ["jekyll:i18n:translate", key_svg]

  Modified: _config.yml (+5 -1)
===================================================================
--- _config.yml    2016-11-16 19:07:00 +0900 (d318b38)
+++ _config.yml    2016-11-17 00:59:22 +0900 (74aee17)
@@ -11,7 +11,11 @@ postgresql_doc_base_url:
 windows_postgresql_versions:
   - 9.5.5-1
   - 9.6.1-1
-exclude: ["Rakefile", "Gemfile", "Gemfile.lock"]
+exclude:
+  - "Rakefile"
+  - "Gemfile"
+  - "Gemfile.lock"
+  - "data"
 description:
   en: Make PostgreSQL fast full text search platform for all languages!
   ja: PostgreSQLで高速日本語全文検索！

  Added: data/pgroonga-textsearch-pg-trgm/search.gnuplot (+78 -0) 100644
===================================================================
--- /dev/null
+++ data/pgroonga-textsearch-pg-trgm/search.gnuplot    2016-11-17 00:59:22 +0900 (b306bf9)
@@ -0,0 +1,78 @@
+set terminal pdfcairo enhanced color transparent rounded
+set terminal svg
+
+set key outside center top horizontal reverse Left samplen 2
+unset border
+set xtics scale 0
+set ytics scale 0
+set grid ytics linewidth 1 linetype -1
+
+set style line 1 lt 1 lc rgbcolor "#3465a4" lw 2.5 pt 7 ps 1
+set style line 2 lt 1 lc rgbcolor "#edd400" lw 2.5 pt 7 ps 1
+set style line 3 lt 1 lc rgbcolor "#888a85" lw 2.5 pt 5 ps 1
+set style line 4 lt 1 lc rgbcolor "#f57900" lw 2.5 pt 5 ps 1
+set style line 5 lt 1 lc rgbcolor "#ad7fa8" lw 2.5 pt 9 ps 1
+set style line 6 lt 1 lc rgbcolor "#4e9a06" lw 2.5 pt 9 ps 1
+set style line 7 lt 1 lc rgbcolor "#ef2929" lw 2.5 pt 1 ps 1
+set style line 8 lt 1 lc rgbcolor "#5c3566" lw 2.5 pt 1 ps 1
+set style line 9 lt 1 lc rgbcolor "#c17d11" lw 2.5 pt 3 ps 1
+set style line 10 lt 1 lc rgbcolor "#dce775" lw 2.5 pt 3 ps 1
+
+set xlabel "\n\nQuery"
+set ylabel "Elapsed time (ms)"
+
+set style data histogram
+set style histogram cluster gap 1
+set style fill solid border -1
+set boxwidth 0.9
+
+set output "search.svg"
+plot "search.tsv" using 2:xtic(1) \
+       title columnheader \
+       linestyle 5, \
+     "search.tsv" using 3:xtic(1) \
+       title columnheader \
+       linestyle 2, \
+     "search.tsv" using 4:xtic(1) \
+       title columnheader \
+       linestyle 1, \
+     "search.tsv" using 5:xtic(1) \
+       title columnheader \
+       linestyle 6
+
+set output "search-without-groonga.svg"
+plot "search.tsv" using 2:xtic(1) \
+       title columnheader \
+       linestyle 5, \
+     "search.tsv" using 4:xtic(1) \
+       title columnheader \
+       linestyle 1, \
+     "search.tsv" using 5:xtic(1) \
+       title columnheader \
+       linestyle 6
+
+set output "search-without-pg-trgm.svg"
+plot "search.tsv" using 2:xtic(1) \
+       title columnheader \
+       linestyle 5, \
+     "search.tsv" using 3:xtic(1) \
+       title columnheader \
+       linestyle 2, \
+     "search.tsv" using 4:xtic(1) \
+       title columnheader \
+       linestyle 1
+
+set output "search-only-postgresql-or-mysql.svg"
+set xrange [1.5:2.5]
+plot "search.tsv" using 2:xtic(1) \
+       title columnheader \
+       linestyle 5, \
+     "search.tsv" using 3:xtic(1) \
+       title columnheader \
+       linestyle 2, \
+     "search.tsv" using 4:xtic(1) \
+       title columnheader \
+       linestyle 1, \
+     "search.tsv" using 5:xtic(1) \
+       title columnheader \
+       linestyle 6

  Added: data/pgroonga-textsearch-pg-trgm/search.tsv (+5 -0) 100644
===================================================================
--- /dev/null
+++ data/pgroonga-textsearch-pg-trgm/search.tsv    2016-11-17 00:59:22 +0900 (c0fe6e7)
@@ -0,0 +1,5 @@
+Query	PGroonga	Groonga	textsearch	pg\\_trgm
+animation	173	6	1000	44000
+database	698	19	602	33000
+"PostgreSQL\nOR\nMySQL"	6	3	3	241
+America	1300	45	1200	92000

  Added: images/pgroonga-textsearch-pg-trgm/search-only-postgresql-or-mysql.svg (+219 -0) 100644
===================================================================
--- /dev/null
+++ images/pgroonga-textsearch-pg-trgm/search-only-postgresql-or-mysql.svg    2016-11-17 00:59:22 +0900 (db76290)
@@ -0,0 +1,219 @@
+<?xml version="1.0" encoding="utf-8"  standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg 
+ width="600" height="480"
+ viewBox="0 0 600 480"
+ xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink"
+>
+
+<title>Gnuplot</title>
+<desc>Produced by GNUPLOT 5.0 patchlevel 5 </desc>
+
+<g id="gnuplot_canvas">
+
+<rect x="0" y="0" width="600" height="480" fill="none"/>
+<defs>
+
+	<circle id='gpDot' r='0.5' stroke-width='0.5'/>
+	<path id='gpPt0' stroke-width='0.222' stroke='currentColor' d='M-1,0 h2 M0,-1 v2'/>
+	<path id='gpPt1' stroke-width='0.222' stroke='currentColor' d='M-1,-1 L1,1 M1,-1 L-1,1'/>
+	<path id='gpPt2' stroke-width='0.222' stroke='currentColor' d='M-1,0 L1,0 M0,-1 L0,1 M-1,-1 L1,1 M-1,1 L1,-1'/>
+	<rect id='gpPt3' stroke-width='0.222' stroke='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<rect id='gpPt4' stroke-width='0.222' stroke='currentColor' fill='currentColor' x='-1' y='-1' width='2' height='2'/>
+	<circle id='gpPt5' stroke-width='0.222' stroke='currentColor' cx='0' cy='0' r='1'/>
+	<use xlink:href='#gpPt5' id='gpPt6' fill='currentColor' stroke='none'/>
+	<path id='gpPt7' stroke-width='0.222' stroke='currentColor' d='M0,-1.33 L-1.33,0.67 L1.33,0.67 z'/>
+	<use xlink:href='#gpPt7' id='gpPt8' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt7' id='gpPt9' stroke='currentColor' transform='rotate(180)'/>
+	<use xlink:href='#gpPt9' id='gpPt10' fill='currentColor' stroke='none'/>
+	<use xlink:href='#gpPt3' id='gpPt11' stroke='currentColor' transform='rotate(45)'/>
+	<use xlink:href='#gpPt11' id='gpPt12' fill='currentColor' stroke='none'/>
+	<path id='gpPt13' stroke-width='0.222' stroke='currentColor' d='M0,1.330 L1.265,0.411 L0.782,-1.067 L-0.782,-1.076 L-1.265,0.411 z'/>
+	<use xlink:href='#gpPt13' id='gpPt14' fill='currentColor' stroke='none'/>
+	<filter id='textbox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='white' flood-opacity='1' result='bgnd'/>
+	  <feComposite in='SourceGraphic' in2='bgnd' operator='atop'/>
+	</filter>
+	<filter id='greybox' filterUnits='objectBoundingBox' x='0' y='0' height='1' width='1'>
+	  <feFlood flood-color='lightgrey' flood-opacity='1' result='grey'/>
+	  <feComposite in='SourceGraphic' in2='grey' operator='atop'/>
+	</filter>
+</defs>
+<g fill="none" color="white" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,386.4 L575.0,386.4  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,386.4 M575.0,386.4  '/>	<g transform="translate(63.6,390.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 0</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,316.1 L575.0,316.1  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,316.1 M575.0,316.1  '/>	<g transform="translate(63.6,320.0)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 50</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,245.7 L575.0,245.7  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,245.7 M575.0,245.7  '/>	<g transform="translate(63.6,249.6)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 100</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,175.4 L575.0,175.4  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,175.4 M575.0,175.4  '/>	<g transform="translate(63.6,179.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 150</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,105.0 L575.0,105.0  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,105.0 M575.0,105.0  '/>	<g transform="translate(63.6,108.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 200</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black' class="gridline"  d='M71.9,34.7 L575.0,34.7  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M71.9,34.7 M575.0,34.7  '/>	<g transform="translate(63.6,38.6)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="end">
+		<text><tspan font-family="Arial" > 250</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M323.5,386.4 M323.5,34.7  '/>	<g transform="translate(323.5,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >PostgreSQL</tspan></text>
+	</g>
+	<g transform="translate(323.5,426.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >OR</tspan></text>
+	</g>
+	<g transform="translate(323.5,444.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >MySQL</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(17.0,210.6) rotate(270)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Elapsed time (ms)</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(323.4,435.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text></text>
+	</g>
+	<g transform="translate(323.4,453.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text></text>
+	</g>
+	<g transform="translate(323.4,471.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Query</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	<g id="gnuplot_plot_1" ><title>PGroonga</title>
+<g fill="none" color="white" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(115.2,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >PGroonga</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(173, 127, 168)' points = '81.3,22.5 106.9,22.5 106.9,13.5 81.3,13.5 '/>
+	</g>
+	<path stroke='black'  d='M81.3,22.5 L106.9,22.5 L106.9,13.5 L81.3,13.5 L81.3,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(173, 127, 168)' points = '127.2,386.4 217.9,386.4 217.9,377.9 127.2,377.9 '/>
+	</g>
+	<path stroke='black'  d='M127.2,386.4 L127.2,378.0 L217.8,378.0 L217.8,386.4 L127.2,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_2" ><title>Groonga</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(240.4,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >Groonga</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '206.5,22.5 232.1,22.5 232.1,13.5 206.5,13.5 '/>
+	</g>
+	<path stroke='black'  d='M206.5,22.5 L232.1,22.5 L232.1,13.5 L206.5,13.5 L206.5,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '227.9,386.4 318.5,386.4 318.5,382.1 227.9,382.1 '/>
+	</g>
+	<path stroke='black'  d='M227.9,386.4 L227.9,382.2 L318.4,382.2 L318.4,386.4 L227.9,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_3" ><title>textsearch</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(365.6,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >textsearch</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '331.7,22.5 357.3,22.5 357.3,13.5 331.7,13.5 '/>
+	</g>
+	<path stroke='black'  d='M331.7,22.5 L357.3,22.5 L357.3,13.5 L331.7,13.5 L331.7,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '328.5,386.4 419.1,386.4 419.1,382.1 328.5,382.1 '/>
+	</g>
+	<path stroke='black'  d='M328.5,386.4 L328.5,382.2 L419.0,382.2 L419.0,386.4 L328.5,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_4" ><title>pg_trgm</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(490.8,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >pg_trgm</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
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  Added: images/pgroonga-textsearch-pg-trgm/search-without-groonga.svg (+305 -0) 100644
===================================================================
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+		<text><tspan font-family="Arial" > 90000</tspan></text>
+	</g>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+		<text><tspan font-family="Arial" > 100000</tspan></text>
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+		<text><tspan font-family="Arial" >animation</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M288.1,386.4 M288.1,34.7  '/>	<g transform="translate(288.1,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >database</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M383.7,386.4 M383.7,34.7  '/>	<g transform="translate(383.7,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >PostgreSQL</tspan></text>
+	</g>
+	<g transform="translate(383.7,426.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >OR</tspan></text>
+	</g>
+	<g transform="translate(383.7,444.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >MySQL</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<path stroke='black'  d='M479.4,386.4 M479.4,34.7  '/>	<g transform="translate(479.4,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >America</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(17.0,210.6) rotate(270)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Elapsed time (ms)</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(335.9,435.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text></text>
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+	<g transform="translate(335.9,453.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text></text>
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+	<g transform="translate(335.9,471.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Query</tspan></text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<g transform="translate(190.3,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >PGroonga</tspan></text>
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+	<g id="gnuplot_plot_2" ><title>textsearch</title>
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+	<g transform="translate(315.5,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >textsearch</tspan></text>
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  Added: images/pgroonga-textsearch-pg-trgm/search-without-pg-trgm.svg (+278 -0) 100644
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+		<text><tspan font-family="Arial" >animation</tspan></text>
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+</g>
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+	<path stroke='black'  d='M278.1,386.4 M278.1,34.7  '/>	<g transform="translate(278.1,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >database</tspan></text>
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+	<path stroke='black'  d='M377.1,386.4 M377.1,34.7  '/>	<g transform="translate(377.1,408.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >PostgreSQL</tspan></text>
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+	<g transform="translate(377.1,444.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >MySQL</tspan></text>
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+		<text><tspan font-family="Arial" >America</tspan></text>
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+	<g transform="translate(17.0,210.6) rotate(270)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Elapsed time (ms)</tspan></text>
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+	<g transform="translate(327.6,453.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text></text>
+	</g>
+	<g transform="translate(327.6,471.3)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="middle">
+		<text><tspan font-family="Arial" >Query</tspan></text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
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+	<g id="gnuplot_plot_1" ><title>PGroonga</title>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(182.0,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >PGroonga</tspan></text>
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+		<text><tspan font-family="Arial" >Elapsed time (ms)</tspan></text>
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+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
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+	</g>
+	<path stroke='black'  d='M155.1,386.4 L155.1,385.8 L172.4,385.8 L172.4,386.4 L155.1,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(173, 127, 168)' points = '250.8,386.4 268.1,386.4 268.1,383.8 250.8,383.8 '/>
+	</g>
+	<path stroke='black'  d='M250.8,386.4 L250.8,383.9 L268.0,383.9 L268.0,386.4 L250.8,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(173, 127, 168)' points = '346.4,386.4 363.7,386.4 363.7,386.3 346.4,386.3 '/>
+	</g>
+	<path stroke='black'  d='M346.4,386.4 L363.6,386.4 L346.4,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(173, 127, 168)' points = '442.1,386.4 459.4,386.4 459.4,381.7 442.1,381.7 '/>
+	</g>
+	<path stroke='black'  d='M442.1,386.4 L442.1,381.8 L459.3,381.8 L459.3,386.4 L442.1,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_2" ><title>Groonga</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(252.9,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >Groonga</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '219.0,22.5 244.6,22.5 244.6,13.5 219.0,13.5 '/>
+	</g>
+	<path stroke='black'  d='M219.0,22.5 L244.6,22.5 L244.6,13.5 L219.0,13.5 L219.0,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '174.3,386.4 191.6,386.4 191.6,386.3 174.3,386.3 '/>
+	</g>
+	<path stroke='black'  d='M174.3,386.4 L191.5,386.4 L174.3,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '269.9,386.4 287.2,386.4 287.2,386.2 269.9,386.2 '/>
+	</g>
+	<path stroke='black'  d='M269.9,386.4 L269.9,386.3 L287.1,386.3 L287.1,386.4 L269.9,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '365.5,386.4 382.9,386.4 382.9,386.3 365.5,386.3 '/>
+	</g>
+	<path stroke='black'  d='M365.5,386.4 L382.8,386.4 L365.5,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb(237, 212,   0)' points = '461.2,386.4 478.5,386.4 478.5,386.1 461.2,386.1 '/>
+	</g>
+	<path stroke='black'  d='M461.2,386.4 L461.2,386.2 L478.4,386.2 L478.4,386.4 L461.2,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_3" ><title>textsearch</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(378.1,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >textsearch</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '344.2,22.5 369.8,22.5 369.8,13.5 344.2,13.5 '/>
+	</g>
+	<path stroke='black'  d='M344.2,22.5 L369.8,22.5 L369.8,13.5 L344.2,13.5 L344.2,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '193.4,386.4 210.7,386.4 210.7,382.8 193.4,382.8 '/>
+	</g>
+	<path stroke='black'  d='M193.4,386.4 L193.4,382.9 L210.6,382.9 L210.6,386.4 L193.4,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '289.0,386.4 306.4,386.4 306.4,384.2 289.0,384.2 '/>
+	</g>
+	<path stroke='black'  d='M289.0,386.4 L289.0,384.3 L306.3,384.3 L306.3,386.4 L289.0,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '384.7,386.4 402.0,386.4 402.0,386.3 384.7,386.3 '/>
+	</g>
+	<path stroke='black'  d='M384.7,386.4 L401.9,386.4 L384.7,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 52, 101, 164)' points = '480.3,386.4 497.6,386.4 497.6,382.1 480.3,382.1 '/>
+	</g>
+	<path stroke='black'  d='M480.3,386.4 L480.3,382.2 L497.5,382.2 L497.5,386.4 L480.3,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+	<g id="gnuplot_plot_4" ><title>pg_trgm</title>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g transform="translate(503.3,21.9)" stroke="none" fill="black" font-family="Arial" font-size="12.00"  text-anchor="start">
+		<text><tspan font-family="Arial" >pg_trgm</tspan></text>
+	</g>
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 78, 154,   6)' points = '469.4,22.5 495.0,22.5 495.0,13.5 469.4,13.5 '/>
+	</g>
+	<path stroke='black'  d='M469.4,22.5 L495.0,22.5 L495.0,13.5 L469.4,13.5 L469.4,22.5 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 78, 154,   6)' points = '212.5,386.4 229.8,386.4 229.8,231.6 212.5,231.6 '/>
+	</g>
+	<path stroke='black'  d='M212.5,386.4 L212.5,231.7 L229.7,231.7 L229.7,386.4 L212.5,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 78, 154,   6)' points = '308.2,386.4 325.5,386.4 325.5,270.2 308.2,270.2 '/>
+	</g>
+	<path stroke='black'  d='M308.2,386.4 L308.2,270.3 L325.4,270.3 L325.4,386.4 L308.2,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 78, 154,   6)' points = '403.8,386.4 421.1,386.4 421.1,385.5 403.8,385.5 '/>
+	</g>
+	<path stroke='black'  d='M403.8,386.4 L403.8,385.6 L421.0,385.6 L421.0,386.4 L403.8,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+	<g stroke='none' shape-rendering='crispEdges'>
+		<polygon fill = 'rgb( 78, 154,   6)' points = '499.4,386.4 516.8,386.4 516.8,62.7 499.4,62.7 '/>
+	</g>
+	<path stroke='black'  d='M499.4,386.4 L499.4,62.8 L516.7,62.8 L516.7,386.4 L499.4,386.4 Z  '/></g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.50" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+	</g>
+<g fill="none" color="white" stroke="rgb( 78, 154,   6)" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="2.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="black" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+<g fill="none" color="black" stroke="currentColor" stroke-width="1.00" stroke-linecap="butt" stroke-linejoin="miter">
+</g>
+</g>
+</svg>
+

  Modified: reference/pgroonga-versus-textsearch-and-pg-trgm.md (+4 -4)
===================================================================
--- reference/pgroonga-versus-textsearch-and-pg-trgm.md    2016-11-16 19:07:00 +0900 (bdeaef5)
+++ reference/pgroonga-versus-textsearch-and-pg-trgm.md    2016-11-17 00:59:22 +0900 (abcf4c6)
@@ -194,8 +194,8 @@ Module     | Elapsed time | N hits             | Relative time | Note
 ---------- | ------------ | ------------------ | ------------- | ----
 PGroonga   | About 173ms  | About 40thousands  | About 29      |
 Groonga    | About 6ms    | About 40thousands  | 1             |
-pg\_trgm   | About 44s    | About 30thousands  | About 7333    |
 textsearch | About 1s     | About 420thousands | About 167     | N hits is about 10 times than other cases. It's caused by stemming. "animation" is stemmed as "anim" and "anim" is searched.
+pg\_trgm   | About 44s    | About 30thousands  | About 7333    |
 
 Query: "database"
 
@@ -203,8 +203,8 @@ Module     | Elapsed time | N hits             | Relative time
 ---------- | ------------ | ------------------ | -------------
 PGroonga   | About 698ms  | About 210thousands | About 37
 Groonga    | About 19ms   | About 210thousands | 1
-pg\_trgm   | About 33s    | About 130thousands | About 1736
 textsearch | About 602ms  | About 190thousands | About 32
+pg\_trgm   | About 33s    | About 130thousands | About 1736
 
 
 Query: "PostgreSQL OR MySQL"
@@ -213,8 +213,8 @@ Module     | Elapsed time | N hits             | Relative time
 ---------- | ------------ | ------------------ | -------------
 PGroonga   | About 6ms    | 1636               | About 2
 Groonga    | About 3ms    | 1636               | 1
-pg\_trgm   | About 241ms  | 1484               | About 80
 textsearch | About 3ms    | 1506               | 1
+pg\_trgm   | About 241ms  | 1484               | About 80
 
 Query: "America"
 
@@ -222,5 +222,5 @@ Module     | Elapsed time | N hits             | Relative time
 ---------- | ------------ | ------------------ | -------------
 PGroonga   | About 1.3s   | About 470thousands | About 29
 Groonga    | About 45ms   | About 470thousands | 1
-pg\_trgm   | About 1m32s  | About 1.4millions  | About 2044
 textsearch | About 1.2s   | About 480thousands | About 26
+pg\_trgm   | About 1m32s  | About 1.4millions  | About 2044
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