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Overview
Comment: | Added the speed4p.test script for testing performance of views and triggers. (CVS 4923) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
adf7645f9a1e12389a7511d2adca9013 |
User & Date: | drh 2008-03-27 15:07:05.000 |
Context
2008-03-27
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17:59 | Allow creation of ephemeral pseudo-tables - pseudo-tables that copy a pointer to a row when inserted instead of copying the row data. (CVS 4924) (check-in: 1a58a87023 user: danielk1977 tags: trunk) | |
15:07 | Added the speed4p.test script for testing performance of views and triggers. (CVS 4923) (check-in: adf7645f9a user: drh tags: trunk) | |
2008-03-26
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18:34 | Changes to delay freeing buffers associated with vdbe memory cells until either sqlite3_finalize() or sqlite3_release_memory() is called. (CVS 4922) (check-in: 8c2f69521f user: danielk1977 tags: trunk) | |
Changes
Changes to test/quick.test.
1 2 3 4 5 6 7 8 | # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file runs all tests. # | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file runs all tests. # # $Id: quick.test,v 1.74 2008/03/27 15:07:05 drh Exp $ proc lshift {lvar} { upvar $lvar l set ret [lindex $l 0] set l [lrange $l 1 end] return $ret } |
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63 64 65 66 67 68 69 70 71 72 73 74 75 76 | onefile.test quick.test soak.test speed1.test speed1p.test speed2.test speed4.test sqllimits1.test thread001.test thread002.test incrvacuum_ioerr.test autovacuum_crash.test | > | 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | onefile.test quick.test soak.test speed1.test speed1p.test speed2.test speed4.test soeed4p.test sqllimits1.test thread001.test thread002.test incrvacuum_ioerr.test autovacuum_crash.test |
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Added test/speed4p.test.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 | # 2007 October 23 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #************************************************************************* # This file implements regression tests for SQLite library. The # focus of this script is measuring executing speed. More specifically, # the focus is on the speed of: # # * joins # * views # * sub-selects # * triggers # # $Id: speed4p.test,v 1.1 2008/03/27 15:07:05 drh Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl speed_trial_init speed1 # Set a uniform random seed expr srand(0) set sqlout [open speed1.txt w] proc tracesql {sql} { puts $::sqlout $sql\; } #db trace tracesql # The number_name procedure below converts its argment (an integer) # into a string which is the English-language name for that number. # # Example: # # puts [number_name 123] -> "one hundred twenty three" # set ones {zero one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen} set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} proc number_name {n} { if {$n>=1000} { set txt "[number_name [expr {$n/1000}]] thousand" set n [expr {$n%1000}] } else { set txt {} } if {$n>=100} { append txt " [lindex $::ones [expr {$n/100}]] hundred" set n [expr {$n%100}] } if {$n>=20} { append txt " [lindex $::tens [expr {$n/10}]]" set n [expr {$n%10}] } if {$n>0} { append txt " [lindex $::ones $n]" } set txt [string trim $txt] if {$txt==""} {set txt zero} return $txt } # Summary of tests: # # speed4p-join1: Join three tables using IPK index. # speed4p-join2: Join three tables using an index. # speed4p-join3: Join two tables without an index. # # speed4p-view1: Querying a view. # speed4p-table1: Same queries as in speed4p-view1, but run directly against # the tables for comparison purposes. # # speed4p-subselect1: A SELECT statement that uses many sub-queries.. # # speed4p-trigger1: An INSERT statement that fires a trigger. # speed4p-trigger2: An UPDATE statement that fires a trigger. # speed4p-trigger3: A DELETE statement that fires a trigger. # speed4p-notrigger1: Same operation as trigger1, but without the trigger. # speed4p-notrigger2: " trigger2 " # speed4p-notrigger3: " trigger3 " # # Set up the schema. Each of the tables t1, t2 and t3 contain 50,000 rows. # This creates a database of around 16MB. execsql { BEGIN; CREATE TABLE t1(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT); CREATE TABLE t2(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT); CREATE TABLE t3(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT); CREATE VIEW v1 AS SELECT rowid, i, t FROM t1; CREATE VIEW v2 AS SELECT rowid, i, t FROM t2; CREATE VIEW v3 AS SELECT rowid, i, t FROM t3; } for {set jj 1} {$jj <= 3} {incr jj} { set stmt [string map "%T% t$jj" {INSERT INTO %T% VALUES(NULL, $i, $t)}] for {set ii 0} {$ii < 50000} {incr ii} { set i [expr {int(rand()*50000)}] set t [number_name $i] execsql $stmt } } execsql { CREATE INDEX i1 ON t1(t); CREATE INDEX i2 ON t2(t); CREATE INDEX i3 ON t3(t); COMMIT; } # Before running these tests, disable the compiled statement cache built into # the Tcl interface. This is because we want to test the speed of SQL # compilation as well as execution. # db cache size 0 # Join t1, t2, t3 on IPK. set sql "SELECT * FROM t1, t2, t3 WHERE t1.oid = t2.oid AND t2.oid = t3.oid" speed_trial speed4p-join1 50000 row $sql # Join t1, t2, t3 on the non-IPK index. set sql "SELECT * FROM t1, t2, t3 WHERE t1.t = t2.t AND t2.t = t3.t" speed_trial speed4p-join2 50000 row $sql # Run 10000 simple queries against the views. set script { for {set ii 1} {$ii < 10000} {incr ii} { set v [expr {$ii*3}] set t [expr {$ii%3+1}] db eval "SELECT * FROM v$t WHERE rowid = \$v" } } speed_trial_tcl speed4p-view1 10000 stmt $script # Run the same 10000 simple queries as in the previous test case against # the underlying tables. The compiled vdbe programs should be identical, so # the only difference in running time is the extra time taken to compile # the view definitions. # set script { for {set ii 1} {$ii < 10000} {incr ii} { set v [expr {$ii*3}] set t [expr {$ii%3+1}] db eval "SELECT t FROM t$t WHERE rowid = \$v" } } speed_trial_tcl speed4p-table1 10000 stmt $script # Run a SELECT that uses sub-queries 10000 times. A total of 30000 sub-selects. # set script { for {set ii 1} {$ii < 10000} {incr ii} { set v [expr {$ii*3}] db eval { SELECT (SELECT t FROM t1 WHERE rowid = $v), (SELECT t FROM t2 WHERE rowid = $v), (SELECT t FROM t3 WHERE rowid = $v) } } } speed_trial_tcl speed4p-subselect1 10000 stmt $script # The following block tests the speed of some DML statements that cause # triggers to fire. # execsql { CREATE TABLE log(op TEXT, r INTEGER, i INTEGER, t TEXT); CREATE TABLE t4(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT); CREATE TRIGGER t4_trigger1 AFTER INSERT ON t4 BEGIN INSERT INTO log VALUES('INSERT INTO t4', new.rowid, new.i, new.t); END; CREATE TRIGGER t4_trigger2 AFTER UPDATE ON t4 BEGIN INSERT INTO log VALUES('UPDATE OF t4', new.rowid, new.i, new.t); END; CREATE TRIGGER t4_trigger3 AFTER DELETE ON t4 BEGIN INSERT INTO log VALUES('DELETE OF t4', old.rowid, old.i, old.t); END; BEGIN; } set list {} for {set ii 1} {$ii < 10000} {incr ii} { lappend list $ii [number_name $ii] } set script { foreach {ii name} $::list { db eval {INSERT INTO t4 VALUES(NULL, $ii, $name)} } } speed_trial_tcl speed4p-trigger1 10000 stmt $script set list {} for {set ii 1} {$ii < 20000} {incr ii 2} { set ii2 [expr {$ii*2}] lappend list $ii $ii2 [number_name $ii2] } set script { foreach {ii ii2 name} $::list { db eval { UPDATE t4 SET i = $ii2, t = $name WHERE rowid = $ii; } } } speed_trial_tcl speed4p-trigger2 10000 stmt $script set script { for {set ii 1} {$ii < 20000} {incr ii 2} { db eval {DELETE FROM t4 WHERE rowid = $ii} } } speed_trial_tcl speed4p-trigger3 10000 stmt $script execsql {COMMIT} # The following block contains the same tests as the above block that # tests triggers, with one crucial difference: no triggers are defined. # So the difference in speed between these tests and the preceding ones # is the amount of time taken to compile and execute the trigger programs. # execsql { DROP TABLE t4; DROP TABLE log; VACUUM; CREATE TABLE t4(rowid INTEGER PRIMARY KEY, i INTEGER, t TEXT); BEGIN; } set list {} for {set ii 1} {$ii < 10000} {incr ii} { lappend list $ii [number_name $ii] } set script { foreach {ii name} $::list { db eval {INSERT INTO t4 VALUES(NULL, $ii, $name);} } } speed_trial_tcl speed4p-notrigger1 10000 stmt $script set list {} for {set ii 1} {$ii < 20000} {incr ii 2} { set ii2 [expr {$ii*2}] lappend list $ii $ii2 [number_name $ii2] } set script { foreach {ii ii2 name} $::list { db eval { UPDATE t4 SET i = $ii2, t = $name WHERE rowid = $ii; } } } speed_trial_tcl speed4p-notrigger2 10000 stmt $script set script { for {set ii 1} {$ii < 20000} {incr ii 2} { db eval {DELETE FROM t4 WHERE rowid = $ii} } } speed_trial_tcl speed4p-notrigger3 10000 stmt $script execsql {COMMIT} speed_trial_summary speed4 finish_test |