Annotation of embedaddon/sqlite3/tool/speedtest.tcl, revision 1.1

1.1     ! misho       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">&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 $delay;
        !            50:   set t [time "exec ./sqlite248 s2k.db <$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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