Fix a bug in the spellfix extension causing it to compute suboptimal answers.
[sqlite.git] / tool / speedtest2.tcl
blob4fd632d4c7c6ea527c770d66402c924355d02fdb
1 #!/usr/bin/tclsh
3 # Run this script using TCLSH to do a speed comparison between
4 # various versions of SQLite and PostgreSQL and MySQL
7 # Run a test
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
27 } else {
28 regsub -all \n [string trim $sql] <br> sql
30 puts "<blockquote>"
31 puts "$sql"
32 puts "</blockquote><table border=0 cellpadding=0 cellspacing=0>"
33 set format {<tr><td>%s</td><td align="right">&nbsp;&nbsp;&nbsp;%.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>"
63 # Initialize the environment
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;
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;
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;
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 {}
101 if {$n>=100} {
102 append txt " [lindex $::ones [expr {$n/100}]] hundred"
103 set n [expr {$n%100}]
105 if {$n>=20} {
106 append txt " [lindex $::tens [expr {$n/10}]]"
107 set n [expr {$n%10}]
109 if {$n>0} {
110 append txt " [lindex $::ones $n]"
112 set txt [string trim $txt]
113 if {$txt==""} {set txt zero}
114 return $txt
118 set fd [open test$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]');"
125 puts $fd "COMMIT;"
126 close $fd
127 runtest {25000 INSERTs in a transaction}
130 set fd [open test$cnt.sql w]
131 puts $fd "DELETE FROM t1;"
132 close $fd
133 runtest {DELETE everything}
136 set fd [open test$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]');"
142 puts $fd "COMMIT;"
143 close $fd
144 runtest {25000 INSERTs in a transaction}
147 set fd [open test$cnt.sql w]
148 puts $fd "DELETE FROM t1;"
149 close $fd
150 runtest {DELETE everything}
153 set fd [open test$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]');"
159 puts $fd "COMMIT;"
160 close $fd
161 runtest {25000 INSERTs in a transaction}
164 set fd [open test$cnt.sql w]
165 puts $fd "DELETE FROM t1;"
166 close $fd
167 runtest {DELETE everything}
170 set fd [open test$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]');"
176 puts $fd "COMMIT;"
177 close $fd
178 runtest {25000 INSERTs in a transaction}
181 set fd [open test$cnt.sql w]
182 puts $fd "DELETE FROM t1;"
183 close $fd
184 runtest {DELETE everything}
187 set fd [open test$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]');"
193 puts $fd "COMMIT;"
194 close $fd
195 runtest {25000 INSERTs in a transaction}
198 set fd [open test$cnt.sql w]
199 puts $fd "DELETE FROM t1;"
200 close $fd
201 runtest {DELETE everything}
204 set fd [open test$cnt.sql w]
205 puts $fd {DROP TABLE t1;}
206 close $fd
207 runtest {DROP TABLE}