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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:28:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 17:28:19 +0000 |
commit | 18657a960e125336f704ea058e25c27bd3900dcb (patch) | |
tree | 17b438b680ed45a996d7b59951e6aa34023783f2 /tool/speedtest2.tcl | |
parent | Initial commit. (diff) | |
download | sqlite3-18657a960e125336f704ea058e25c27bd3900dcb.tar.xz sqlite3-18657a960e125336f704ea058e25c27bd3900dcb.zip |
Adding upstream version 3.40.1.upstream/3.40.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tool/speedtest2.tcl')
-rw-r--r-- | tool/speedtest2.tcl | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/tool/speedtest2.tcl b/tool/speedtest2.tcl new file mode 100644 index 0000000..4fd632d --- /dev/null +++ b/tool/speedtest2.tcl @@ -0,0 +1,207 @@ +#!/usr/bin/tclsh +# +# Run this script using TCLSH to do a speed comparison between +# various versions of SQLite and PostgreSQL and MySQL +# + +# Run a test +# +set cnt 1 +proc runtest {title} { + global cnt + set sqlfile test$cnt.sql + puts "<h2>Test $cnt: $title</h2>" + incr cnt + set fd [open $sqlfile r] + set sql [string trim [read $fd [file size $sqlfile]]] + close $fd + set sx [split $sql \n] + set n [llength $sx] + if {$n>8} { + set sql {} + for {set i 0} {$i<3} {incr i} {append sql [lindex $sx $i]<br>\n} + append sql "<i>... [expr {$n-6}] lines omitted</i><br>\n" + for {set i [expr {$n-3}]} {$i<$n} {incr i} { + append sql [lindex $sx $i]<br>\n + } + } else { + regsub -all \n [string trim $sql] <br> sql + } + puts "<blockquote>" + puts "$sql" + puts "</blockquote><table border=0 cellpadding=0 cellspacing=0>" + set format {<tr><td>%s</td><td align="right"> %.3f</td></tr>} + set delay 1000 + exec sync; after $delay; + set t [time "exec psql drh <$sqlfile" 1] + set t [expr {[lindex $t 0]/1000000.0}] + puts [format $format PostgreSQL: $t] + exec sync; after $delay; + set t [time "exec mysql -f drh <$sqlfile" 1] + set t [expr {[lindex $t 0]/1000000.0}] + puts [format $format MySQL: $t] +# set t [time "exec ./sqlite232 s232.db <$sqlfile" 1] +# set t [expr {[lindex $t 0]/1000000.0}] +# puts [format $format {SQLite 2.3.2:} $t] +# set t [time "exec ./sqlite-100 s100.db <$sqlfile" 1] +# set t [expr {[lindex $t 0]/1000000.0}] +# puts [format $format {SQLite 2.4 (cache=100):} $t] + exec sync; after $delay; + set t [time "exec ./sqlite240 s2k.db <$sqlfile" 1] + set t [expr {[lindex $t 0]/1000000.0}] + puts [format $format {SQLite 2.4:} $t] + exec sync; after $delay; + set t [time "exec ./sqlite240 sns.db <$sqlfile" 1] + set t [expr {[lindex $t 0]/1000000.0}] + puts [format $format {SQLite 2.4 (nosync):} $t] +# set t [time "exec ./sqlite-t1 st1.db <$sqlfile" 1] +# set t [expr {[lindex $t 0]/1000000.0}] +# puts [format $format {SQLite 2.4 (test):} $t] + puts "</table>" +} + +# Initialize the environment +# +expr srand(1) +catch {exec /bin/sh -c {rm -f s*.db}} +set fd [open clear.sql w] +puts $fd { + drop table t1; + drop table t2; +} +close $fd +catch {exec psql drh <clear.sql} +catch {exec mysql drh <clear.sql} +set fd [open 2kinit.sql w] +puts $fd { + PRAGMA default_cache_size=2000; + PRAGMA default_synchronous=on; +} +close $fd +exec ./sqlite240 s2k.db <2kinit.sql +exec ./sqlite-t1 st1.db <2kinit.sql +set fd [open nosync-init.sql w] +puts $fd { + PRAGMA default_cache_size=2000; + PRAGMA default_synchronous=off; +} +close $fd +exec ./sqlite240 sns.db <nosync-init.sql +set ones {zero one two three four five six seven eight nine + ten eleven twelve thirteen fourteen fifteen sixteen seventeen + eighteen nineteen} +set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} +proc number_name {n} { + if {$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 $txt +} + + +set fd [open test$cnt.sql w] +puts $fd "BEGIN;" +puts $fd "CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));" +for {set i 1} {$i<=25000} {incr i} { + set r [expr {int(rand()*500000)}] + puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" +} +puts $fd "COMMIT;" +close $fd +runtest {25000 INSERTs in a transaction} + + +set fd [open test$cnt.sql w] +puts $fd "DELETE FROM t1;" +close $fd +runtest {DELETE everything} + + +set fd [open test$cnt.sql w] +puts $fd "BEGIN;" +for {set i 1} {$i<=25000} {incr i} { + set r [expr {int(rand()*500000)}] + puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" +} +puts $fd "COMMIT;" +close $fd +runtest {25000 INSERTs in a transaction} + + +set fd [open test$cnt.sql w] +puts $fd "DELETE FROM t1;" +close $fd +runtest {DELETE everything} + + +set fd [open test$cnt.sql w] +puts $fd "BEGIN;" +for {set i 1} {$i<=25000} {incr i} { + set r [expr {int(rand()*500000)}] + puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" +} +puts $fd "COMMIT;" +close $fd +runtest {25000 INSERTs in a transaction} + + +set fd [open test$cnt.sql w] +puts $fd "DELETE FROM t1;" +close $fd +runtest {DELETE everything} + + +set fd [open test$cnt.sql w] +puts $fd "BEGIN;" +for {set i 1} {$i<=25000} {incr i} { + set r [expr {int(rand()*500000)}] + puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" +} +puts $fd "COMMIT;" +close $fd +runtest {25000 INSERTs in a transaction} + + +set fd [open test$cnt.sql w] +puts $fd "DELETE FROM t1;" +close $fd +runtest {DELETE everything} + + +set fd [open test$cnt.sql w] +puts $fd "BEGIN;" +for {set i 1} {$i<=25000} {incr i} { + set r [expr {int(rand()*500000)}] + puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" +} +puts $fd "COMMIT;" +close $fd +runtest {25000 INSERTs in a transaction} + + +set fd [open test$cnt.sql w] +puts $fd "DELETE FROM t1;" +close $fd +runtest {DELETE everything} + + +set fd [open test$cnt.sql w] +puts $fd {DROP TABLE t1;} +close $fd +runtest {DROP TABLE} |