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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 $delay; | |
50 set t [time "exec ./sqlite248 s2k.db <$sqlfile" 1] | |
51 set t [expr {[lindex $t 0]/1000000.0}] | |
52 puts [format $format {SQLite 2.4.8:} $t] | |
53 exec sync; after $delay; | |
54 set t [time "exec ./sqlite248 sns.db <$sqlfile" 1] | |
55 set t [expr {[lindex $t 0]/1000000.0}] | |
56 puts [format $format {SQLite 2.4.8 (nosync):} $t] | |
57 exec sync; after $delay; | |
58 set t [time "exec ./sqlite2412 s2kb.db <$sqlfile" 1] | |
59 set t [expr {[lindex $t 0]/1000000.0}] | |
60 puts [format $format {SQLite 2.4.12:} $t] | |
61 exec sync; after $delay; | |
62 set t [time "exec ./sqlite2412 snsb.db <$sqlfile" 1] | |
63 set t [expr {[lindex $t 0]/1000000.0}] | |
64 puts [format $format {SQLite 2.4.12 (nosync):} $t] | |
65 # set t [time "exec ./sqlite-t1 st1.db <$sqlfile" 1] | |
66 # set t [expr {[lindex $t 0]/1000000.0}] | |
67 # puts [format $format {SQLite 2.4 (test):} $t] | |
68 puts "</table>" | |
69 } | |
70 | |
71 # Initialize the environment | |
72 # | |
73 expr srand(1) | |
74 catch {exec /bin/sh -c {rm -f s*.db}} | |
75 set fd [open clear.sql w] | |
76 puts $fd { | |
77 drop table t1; | |
78 drop table t2; | |
79 } | |
80 close $fd | |
81 catch {exec psql drh <clear.sql} | |
82 catch {exec mysql drh <clear.sql} | |
83 set fd [open 2kinit.sql w] | |
84 puts $fd { | |
85 PRAGMA default_cache_size=2000; | |
86 PRAGMA default_synchronous=on; | |
87 } | |
88 close $fd | |
89 exec ./sqlite248 s2k.db <2kinit.sql | |
90 exec ./sqlite2412 s2kb.db <2kinit.sql | |
91 set fd [open nosync-init.sql w] | |
92 puts $fd { | |
93 PRAGMA default_cache_size=2000; | |
94 PRAGMA default_synchronous=off; | |
95 } | |
96 close $fd | |
97 exec ./sqlite248 sns.db <nosync-init.sql | |
98 exec ./sqlite2412 snsb.db <nosync-init.sql | |
99 set ones {zero one two three four five six seven eight nine | |
100 ten eleven twelve thirteen fourteen fifteen sixteen seventeen | |
101 eighteen nineteen} | |
102 set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} | |
103 proc number_name {n} { | |
104 if {$n>=1000} { | |
105 set txt "[number_name [expr {$n/1000}]] thousand" | |
106 set n [expr {$n%1000}] | |
107 } else { | |
108 set txt {} | |
109 } | |
110 if {$n>=100} { | |
111 append txt " [lindex $::ones [expr {$n/100}]] hundred" | |
112 set n [expr {$n%100}] | |
113 } | |
114 if {$n>=20} { | |
115 append txt " [lindex $::tens [expr {$n/10}]]" | |
116 set n [expr {$n%10}] | |
117 } | |
118 if {$n>0} { | |
119 append txt " [lindex $::ones $n]" | |
120 } | |
121 set txt [string trim $txt] | |
122 if {$txt==""} {set txt zero} | |
123 return $txt | |
124 } | |
125 | |
126 | |
127 | |
128 set fd [open test$cnt.sql w] | |
129 puts $fd "CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));" | |
130 for {set i 1} {$i<=1000} {incr i} { | |
131 set r [expr {int(rand()*100000)}] | |
132 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
133 } | |
134 close $fd | |
135 runtest {1000 INSERTs} | |
136 | |
137 | |
138 | |
139 set fd [open test$cnt.sql w] | |
140 puts $fd "BEGIN;" | |
141 puts $fd "CREATE TABLE t2(a INTEGER, b INTEGER, c VARCHAR(100));" | |
142 for {set i 1} {$i<=25000} {incr i} { | |
143 set r [expr {int(rand()*500000)}] | |
144 puts $fd "INSERT INTO t2 VALUES($i,$r,'[number_name $r]');" | |
145 } | |
146 puts $fd "COMMIT;" | |
147 close $fd | |
148 runtest {25000 INSERTs in a transaction} | |
149 | |
150 | |
151 | |
152 set fd [open test$cnt.sql w] | |
153 for {set i 0} {$i<100} {incr i} { | |
154 set lwr [expr {$i*100}] | |
155 set upr [expr {($i+10)*100}] | |
156 puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;" | |
157 } | |
158 close $fd | |
159 runtest {100 SELECTs without an index} | |
160 | |
161 | |
162 | |
163 set fd [open test$cnt.sql w] | |
164 for {set i 1} {$i<=100} {incr i} { | |
165 puts $fd "SELECT count(*), avg(b) FROM t2 WHERE c LIKE '%[number_name $i]%';" | |
166 } | |
167 close $fd | |
168 runtest {100 SELECTs on a string comparison} | |
169 | |
170 | |
171 | |
172 set fd [open test$cnt.sql w] | |
173 puts $fd {CREATE INDEX i2a ON t2(a);} | |
174 puts $fd {CREATE INDEX i2b ON t2(b);} | |
175 close $fd | |
176 runtest {Creating an index} | |
177 | |
178 | |
179 | |
180 set fd [open test$cnt.sql w] | |
181 for {set i 0} {$i<5000} {incr i} { | |
182 set lwr [expr {$i*100}] | |
183 set upr [expr {($i+1)*100}] | |
184 puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;" | |
185 } | |
186 close $fd | |
187 runtest {5000 SELECTs with an index} | |
188 | |
189 | |
190 | |
191 set fd [open test$cnt.sql w] | |
192 puts $fd "BEGIN;" | |
193 for {set i 0} {$i<1000} {incr i} { | |
194 set lwr [expr {$i*10}] | |
195 set upr [expr {($i+1)*10}] | |
196 puts $fd "UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr;" | |
197 } | |
198 puts $fd "COMMIT;" | |
199 close $fd | |
200 runtest {1000 UPDATEs without an index} | |
201 | |
202 | |
203 | |
204 set fd [open test$cnt.sql w] | |
205 puts $fd "BEGIN;" | |
206 for {set i 1} {$i<=25000} {incr i} { | |
207 set r [expr {int(rand()*500000)}] | |
208 puts $fd "UPDATE t2 SET b=$r WHERE a=$i;" | |
209 } | |
210 puts $fd "COMMIT;" | |
211 close $fd | |
212 runtest {25000 UPDATEs with an index} | |
213 | |
214 | |
215 set fd [open test$cnt.sql w] | |
216 puts $fd "BEGIN;" | |
217 for {set i 1} {$i<=25000} {incr i} { | |
218 set r [expr {int(rand()*500000)}] | |
219 puts $fd "UPDATE t2 SET c='[number_name $r]' WHERE a=$i;" | |
220 } | |
221 puts $fd "COMMIT;" | |
222 close $fd | |
223 runtest {25000 text UPDATEs with an index} | |
224 | |
225 | |
226 | |
227 set fd [open test$cnt.sql w] | |
228 puts $fd "BEGIN;" | |
229 puts $fd "INSERT INTO t1 SELECT * FROM t2;" | |
230 puts $fd "INSERT INTO t2 SELECT * FROM t1;" | |
231 puts $fd "COMMIT;" | |
232 close $fd | |
233 runtest {INSERTs from a SELECT} | |
234 | |
235 | |
236 | |
237 set fd [open test$cnt.sql w] | |
238 puts $fd {DELETE FROM t2 WHERE c LIKE '%fifty%';} | |
239 close $fd | |
240 runtest {DELETE without an index} | |
241 | |
242 | |
243 | |
244 set fd [open test$cnt.sql w] | |
245 puts $fd {DELETE FROM t2 WHERE a>10 AND a<20000;} | |
246 close $fd | |
247 runtest {DELETE with an index} | |
248 | |
249 | |
250 | |
251 set fd [open test$cnt.sql w] | |
252 puts $fd {INSERT INTO t2 SELECT * FROM t1;} | |
253 close $fd | |
254 runtest {A big INSERT after a big DELETE} | |
255 | |
256 | |
257 | |
258 set fd [open test$cnt.sql w] | |
259 puts $fd {BEGIN;} | |
260 puts $fd {DELETE FROM t1;} | |
261 for {set i 1} {$i<=3000} {incr i} { | |
262 set r [expr {int(rand()*100000)}] | |
263 puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" | |
264 } | |
265 puts $fd {COMMIT;} | |
266 close $fd | |
267 runtest {A big DELETE followed by many small INSERTs} | |
268 | |
269 | |
270 | |
271 set fd [open test$cnt.sql w] | |
272 puts $fd {DROP TABLE t1;} | |
273 puts $fd {DROP TABLE t2;} | |
274 close $fd | |
275 runtest {DROP TABLE} | |
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