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1 #!/usr/bin/tclsh | |
2 # | |
3 # Run this script using TCLSH to do a speed comparison between | |
4 # various versions of SQLite and PostgreSQL and MySQL | |
5 # | |
6 | |
7 # Run a test | |
8 # | |
9 set cnt 1 | |
10 proc runtest {title} { | |
11 global cnt | |
12 set sqlfile test$cnt.sql | |
13 puts "<h2>Test $cnt: $title</h2>" | |
14 incr cnt | |
15 set fd [open $sqlfile r] | |
16 set sql [string trim [read $fd [file size $sqlfile]]] | |
17 close $fd | |
18 set sx [split $sql \n] | |
19 set n [llength $sx] | |
20 if {$n>8} { | |
21 set sql {} | |
22 for {set i 0} {$i<3} {incr i} {append sql [lindex $sx $i]<br>\n} | |
23 append sql "<i>... [expr {$n-6}] lines omitted</i><br>\n" | |
24 for {set i [expr {$n-3}]} {$i<$n} {incr i} { | |
25 append sql [lindex $sx $i]<br>\n | |
26 } | |
27 } else { | |
28 regsub -all \n [string trim $sql] <br> sql | |
29 } | |
30 puts "<blockquote>" | |
31 puts "$sql" | |
32 puts "</blockquote><table border=0 cellpadding=0 cellspacing=0>" | |
33 set format {<tr><td>%s</td><td align="right"> %.3f</td></tr>} | |
34 set delay 1000 | |
35 exec sync; after $delay; | |
36 set t [time "exec psql drh <$sqlfile" 1] | |
37 set t [expr {[lindex $t 0]/1000000.0}] | |
38 puts [format $format PostgreSQL: $t] | |
39 exec sync; after $delay; | |
40 set t [time "exec mysql -f drh <$sqlfile" 1] | |
41 set t [expr {[lindex $t 0]/1000000.0}] | |
42 puts [format $format MySQL: $t] | |
43 # set t [time "exec ./sqlite232 s232.db <$sqlfile" 1] | |
44 # set t [expr {[lindex $t 0]/1000000.0}] | |
45 # puts [format $format {SQLite 2.3.2:} $t] | |
46 # set t [time "exec ./sqlite-100 s100.db <$sqlfile" 1] | |
47 # set t [expr {[lindex $t 0]/1000000.0}] | |
48 # puts [format $format {SQLite 2.4 (cache=100):} $t] | |
49 exec sync; after $delay; | |
50 set t [time "exec ./sqlite240 s2k.db <$sqlfile" 1] | |
51 set t [expr {[lindex $t 0]/1000000.0}] | |
52 puts [format $format {SQLite 2.4:} $t] | |
53 exec sync; after $delay; | |
54 set t [time "exec ./sqlite240 sns.db <$sqlfile" 1] | |
55 set t [expr {[lindex $t 0]/1000000.0}] | |
56 puts [format $format {SQLite 2.4 (nosync):} $t] | |
57 # set t [time "exec ./sqlite-t1 st1.db <$sqlfile" 1] | |
58 # set t [expr {[lindex $t 0]/1000000.0}] | |
59 # puts [format $format {SQLite 2.4 (test):} $t] | |
60 puts "</table>" | |
61 } | |
62 | |
63 # Initialize the environment | |
64 # | |
65 expr srand(1) | |
66 catch {exec /bin/sh -c {rm -f s*.db}} | |
67 set fd [open clear.sql w] | |
68 puts $fd { | |
69 drop table t1; | |
70 drop table t2; | |
71 } | |
72 close $fd | |
73 catch {exec psql drh <clear.sql} | |
74 catch {exec mysql drh <clear.sql} | |
75 set fd [open 2kinit.sql w] | |
76 puts $fd { | |
77 PRAGMA default_cache_size=2000; | |
78 PRAGMA default_synchronous=on; | |
79 } | |
80 close $fd | |
81 exec ./sqlite240 s2k.db <2kinit.sql | |
82 exec ./sqlite-t1 st1.db <2kinit.sql | |
83 set fd [open nosync-init.sql w] | |
84 puts $fd { | |
85 PRAGMA default_cache_size=2000; | |
86 PRAGMA default_synchronous=off; | |
87 } | |
88 close $fd | |
89 exec ./sqlite240 sns.db <nosync-init.sql | |
90 set ones {zero one two three four five six seven eight nine | |
91 ten eleven twelve thirteen fourteen fifteen sixteen seventeen | |
92 eighteen nineteen} | |
93 set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} | |
94 proc number_name {n} { | |
95 if {$n>=1000} { | |
96 set txt "[number_name [expr {$n/1000}]] thousand" | |
97 set n [expr {$n%1000}] | |
98 } else { | |
99 set txt {} | |
100 } | |
101 if {$n>=100} { | |
102 append txt " [lindex $::ones [expr {$n/100}]] hundred" | |
103 set n [expr {$n%100}] | |
104 } | |
105 if {$n>=20} { | |
106 append txt " [lindex $::tens [expr {$n/10}]]" | |
107 set n [expr {$n%10}] | |
108 } | |
109 if {$n>0} { | |
110 append txt " [lindex $::ones $n]" | |
111 } | |
112 set txt [string trim $txt] | |
113 if {$txt==""} {set txt zero} | |
114 return $txt | |
115 } | |
116 | |
117 | |
118 set fd [open test$cnt.sql w] | |
119 puts $fd "BEGIN;" | |
120 puts $fd "CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));" | |
121 for {set i 1} {$i<=25000} {incr i} { | |
122 set r [expr {int(rand()*500000)}] | |
123 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
124 } | |
125 puts $fd "COMMIT;" | |
126 close $fd | |
127 runtest {25000 INSERTs in a transaction} | |
128 | |
129 | |
130 set fd [open test$cnt.sql w] | |
131 puts $fd "DELETE FROM t1;" | |
132 close $fd | |
133 runtest {DELETE everything} | |
134 | |
135 | |
136 set fd [open test$cnt.sql w] | |
137 puts $fd "BEGIN;" | |
138 for {set i 1} {$i<=25000} {incr i} { | |
139 set r [expr {int(rand()*500000)}] | |
140 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
141 } | |
142 puts $fd "COMMIT;" | |
143 close $fd | |
144 runtest {25000 INSERTs in a transaction} | |
145 | |
146 | |
147 set fd [open test$cnt.sql w] | |
148 puts $fd "DELETE FROM t1;" | |
149 close $fd | |
150 runtest {DELETE everything} | |
151 | |
152 | |
153 set fd [open test$cnt.sql w] | |
154 puts $fd "BEGIN;" | |
155 for {set i 1} {$i<=25000} {incr i} { | |
156 set r [expr {int(rand()*500000)}] | |
157 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
158 } | |
159 puts $fd "COMMIT;" | |
160 close $fd | |
161 runtest {25000 INSERTs in a transaction} | |
162 | |
163 | |
164 set fd [open test$cnt.sql w] | |
165 puts $fd "DELETE FROM t1;" | |
166 close $fd | |
167 runtest {DELETE everything} | |
168 | |
169 | |
170 set fd [open test$cnt.sql w] | |
171 puts $fd "BEGIN;" | |
172 for {set i 1} {$i<=25000} {incr i} { | |
173 set r [expr {int(rand()*500000)}] | |
174 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
175 } | |
176 puts $fd "COMMIT;" | |
177 close $fd | |
178 runtest {25000 INSERTs in a transaction} | |
179 | |
180 | |
181 set fd [open test$cnt.sql w] | |
182 puts $fd "DELETE FROM t1;" | |
183 close $fd | |
184 runtest {DELETE everything} | |
185 | |
186 | |
187 set fd [open test$cnt.sql w] | |
188 puts $fd "BEGIN;" | |
189 for {set i 1} {$i<=25000} {incr i} { | |
190 set r [expr {int(rand()*500000)}] | |
191 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
192 } | |
193 puts $fd "COMMIT;" | |
194 close $fd | |
195 runtest {25000 INSERTs in a transaction} | |
196 | |
197 | |
198 set fd [open test$cnt.sql w] | |
199 puts $fd "DELETE FROM t1;" | |
200 close $fd | |
201 runtest {DELETE everything} | |
202 | |
203 | |
204 set fd [open test$cnt.sql w] | |
205 puts $fd {DROP TABLE t1;} | |
206 close $fd | |
207 runtest {DROP TABLE} | |
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