Annotation of embedaddon/sqlite3/tool/speedtest2.tcl, revision 1.1.1.1

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 $delay;
                     50:   set t [time "exec ./sqlite240 s2k.db <$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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