276 lines
6.7 KiB
Tcl
276 lines
6.7 KiB
Tcl
#!/usr/bin/tclsh
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#
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# Run this script using TCLSH to do a speed comparison between
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# various versions of SQLite and PostgreSQL and MySQL
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#
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# Run a test
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#
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set cnt 1
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proc runtest {title} {
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global cnt
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set sqlfile test$cnt.sql
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puts "<h2>Test $cnt: $title</h2>"
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incr cnt
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set fd [open $sqlfile r]
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set sql [string trim [read $fd [file size $sqlfile]]]
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close $fd
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set sx [split $sql \n]
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set n [llength $sx]
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if {$n>8} {
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set sql {}
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for {set i 0} {$i<3} {incr i} {append sql [lindex $sx $i]<br>\n}
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append sql "<i>... [expr {$n-6}] lines omitted</i><br>\n"
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for {set i [expr {$n-3}]} {$i<$n} {incr i} {
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append sql [lindex $sx $i]<br>\n
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}
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} else {
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regsub -all \n [string trim $sql] <br> sql
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}
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puts "<blockquote>"
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puts "$sql"
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puts "</blockquote><table border=0 cellpadding=0 cellspacing=0>"
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set format {<tr><td>%s</td><td align="right"> %.3f</td></tr>}
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set delay 1000
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# exec sync; after $delay;
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# set t [time "exec psql drh <$sqlfile" 1]
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# set t [expr {[lindex $t 0]/1000000.0}]
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# puts [format $format PostgreSQL: $t]
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exec sync; after $delay;
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set t [time "exec mysql -f drh <$sqlfile" 1]
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set t [expr {[lindex $t 0]/1000000.0}]
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puts [format $format MySQL: $t]
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# set t [time "exec ./sqlite232 s232.db <$sqlfile" 1]
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# set t [expr {[lindex $t 0]/1000000.0}]
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# puts [format $format {SQLite 2.3.2:} $t]
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# set t [time "exec ./sqlite-100 s100.db <$sqlfile" 1]
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# set t [expr {[lindex $t 0]/1000000.0}]
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# puts [format $format {SQLite 2.4 (cache=100):} $t]
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exec sync; after $delay;
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set t [time "exec ./sqlite248 s2k.db <$sqlfile" 1]
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set t [expr {[lindex $t 0]/1000000.0}]
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puts [format $format {SQLite 2.4.8:} $t]
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exec sync; after $delay;
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set t [time "exec ./sqlite248 sns.db <$sqlfile" 1]
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set t [expr {[lindex $t 0]/1000000.0}]
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puts [format $format {SQLite 2.4.8 (nosync):} $t]
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exec sync; after $delay;
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set t [time "exec ./sqlite2412 s2kb.db <$sqlfile" 1]
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set t [expr {[lindex $t 0]/1000000.0}]
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puts [format $format {SQLite 2.4.12:} $t]
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exec sync; after $delay;
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set t [time "exec ./sqlite2412 snsb.db <$sqlfile" 1]
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set t [expr {[lindex $t 0]/1000000.0}]
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puts [format $format {SQLite 2.4.12 (nosync):} $t]
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# set t [time "exec ./sqlite-t1 st1.db <$sqlfile" 1]
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# set t [expr {[lindex $t 0]/1000000.0}]
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# puts [format $format {SQLite 2.4 (test):} $t]
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puts "</table>"
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}
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# Initialize the environment
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#
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expr srand(1)
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catch {exec /bin/sh -c {rm -f s*.db}}
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set fd [open clear.sql w]
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puts $fd {
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drop table t1;
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drop table t2;
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}
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close $fd
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catch {exec psql drh <clear.sql}
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catch {exec mysql drh <clear.sql}
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set fd [open 2kinit.sql w]
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puts $fd {
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PRAGMA default_cache_size=2000;
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PRAGMA default_synchronous=on;
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}
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close $fd
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exec ./sqlite248 s2k.db <2kinit.sql
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exec ./sqlite2412 s2kb.db <2kinit.sql
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set fd [open nosync-init.sql w]
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puts $fd {
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PRAGMA default_cache_size=2000;
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PRAGMA default_synchronous=off;
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}
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close $fd
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exec ./sqlite248 sns.db <nosync-init.sql
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exec ./sqlite2412 snsb.db <nosync-init.sql
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set ones {zero one two three four five six seven eight nine
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ten eleven twelve thirteen fourteen fifteen sixteen seventeen
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eighteen nineteen}
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set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety}
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proc number_name {n} {
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if {$n>=1000} {
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set txt "[number_name [expr {$n/1000}]] thousand"
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set n [expr {$n%1000}]
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} else {
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set txt {}
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}
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if {$n>=100} {
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append txt " [lindex $::ones [expr {$n/100}]] hundred"
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set n [expr {$n%100}]
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}
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if {$n>=20} {
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append txt " [lindex $::tens [expr {$n/10}]]"
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set n [expr {$n%10}]
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}
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if {$n>0} {
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append txt " [lindex $::ones $n]"
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}
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set txt [string trim $txt]
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if {$txt==""} {set txt zero}
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return $txt
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}
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set fd [open test$cnt.sql w]
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puts $fd "CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));"
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for {set i 1} {$i<=1000} {incr i} {
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set r [expr {int(rand()*100000)}]
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puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');"
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}
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close $fd
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runtest {1000 INSERTs}
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set fd [open test$cnt.sql w]
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puts $fd "BEGIN;"
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puts $fd "CREATE TABLE t2(a INTEGER, b INTEGER, c VARCHAR(100));"
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for {set i 1} {$i<=25000} {incr i} {
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set r [expr {int(rand()*500000)}]
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puts $fd "INSERT INTO t2 VALUES($i,$r,'[number_name $r]');"
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}
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puts $fd "COMMIT;"
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close $fd
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runtest {25000 INSERTs in a transaction}
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set fd [open test$cnt.sql w]
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for {set i 0} {$i<100} {incr i} {
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set lwr [expr {$i*100}]
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set upr [expr {($i+10)*100}]
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puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;"
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}
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close $fd
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runtest {100 SELECTs without an index}
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set fd [open test$cnt.sql w]
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for {set i 1} {$i<=100} {incr i} {
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puts $fd "SELECT count(*), avg(b) FROM t2 WHERE c LIKE '%[number_name $i]%';"
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}
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close $fd
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runtest {100 SELECTs on a string comparison}
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set fd [open test$cnt.sql w]
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puts $fd {CREATE INDEX i2a ON t2(a);}
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puts $fd {CREATE INDEX i2b ON t2(b);}
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close $fd
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runtest {Creating an index}
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set fd [open test$cnt.sql w]
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for {set i 0} {$i<5000} {incr i} {
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set lwr [expr {$i*100}]
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set upr [expr {($i+1)*100}]
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puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;"
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}
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close $fd
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runtest {5000 SELECTs with an index}
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set fd [open test$cnt.sql w]
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puts $fd "BEGIN;"
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for {set i 0} {$i<1000} {incr i} {
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set lwr [expr {$i*10}]
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set upr [expr {($i+1)*10}]
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puts $fd "UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr;"
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}
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puts $fd "COMMIT;"
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close $fd
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runtest {1000 UPDATEs without an index}
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set fd [open test$cnt.sql w]
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puts $fd "BEGIN;"
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for {set i 1} {$i<=25000} {incr i} {
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set r [expr {int(rand()*500000)}]
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puts $fd "UPDATE t2 SET b=$r WHERE a=$i;"
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}
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puts $fd "COMMIT;"
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close $fd
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runtest {25000 UPDATEs with an index}
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set fd [open test$cnt.sql w]
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puts $fd "BEGIN;"
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for {set i 1} {$i<=25000} {incr i} {
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set r [expr {int(rand()*500000)}]
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puts $fd "UPDATE t2 SET c='[number_name $r]' WHERE a=$i;"
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}
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puts $fd "COMMIT;"
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close $fd
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runtest {25000 text UPDATEs with an index}
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set fd [open test$cnt.sql w]
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puts $fd "BEGIN;"
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puts $fd "INSERT INTO t1 SELECT * FROM t2;"
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puts $fd "INSERT INTO t2 SELECT * FROM t1;"
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puts $fd "COMMIT;"
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close $fd
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runtest {INSERTs from a SELECT}
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set fd [open test$cnt.sql w]
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puts $fd {DELETE FROM t2 WHERE c LIKE '%fifty%';}
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close $fd
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runtest {DELETE without an index}
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set fd [open test$cnt.sql w]
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puts $fd {DELETE FROM t2 WHERE a>10 AND a<20000;}
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close $fd
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runtest {DELETE with an index}
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set fd [open test$cnt.sql w]
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puts $fd {INSERT INTO t2 SELECT * FROM t1;}
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close $fd
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runtest {A big INSERT after a big DELETE}
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set fd [open test$cnt.sql w]
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puts $fd {BEGIN;}
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puts $fd {DELETE FROM t1;}
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for {set i 1} {$i<=3000} {incr i} {
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set r [expr {int(rand()*100000)}]
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puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');"
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}
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puts $fd {COMMIT;}
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close $fd
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runtest {A big DELETE followed by many small INSERTs}
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set fd [open test$cnt.sql w]
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puts $fd {DROP TABLE t1;}
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puts $fd {DROP TABLE t2;}
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close $fd
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runtest {DROP TABLE}
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