diff options
Diffstat (limited to 'ext/pdo_sqlite/sqlite/tool/speedtest.tcl')
| -rw-r--r-- | ext/pdo_sqlite/sqlite/tool/speedtest.tcl | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/ext/pdo_sqlite/sqlite/tool/speedtest.tcl b/ext/pdo_sqlite/sqlite/tool/speedtest.tcl deleted file mode 100644 index ef39dc5461..0000000000 --- a/ext/pdo_sqlite/sqlite/tool/speedtest.tcl +++ /dev/null @@ -1,275 +0,0 @@ -#!/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 $delay; - set t [time "exec ./sqlite248 s2k.db <$sqlfile" 1] - set t [expr {[lindex $t 0]/1000000.0}] - puts [format $format {SQLite 2.4.8:} $t] - exec sync; after $delay; - set t [time "exec ./sqlite248 sns.db <$sqlfile" 1] - set t [expr {[lindex $t 0]/1000000.0}] - puts [format $format {SQLite 2.4.8 (nosync):} $t] - exec sync; after $delay; - set t [time "exec ./sqlite2412 s2kb.db <$sqlfile" 1] - set t [expr {[lindex $t 0]/1000000.0}] - puts [format $format {SQLite 2.4.12:} $t] - exec sync; after $delay; - set t [time "exec ./sqlite2412 snsb.db <$sqlfile" 1] - set t [expr {[lindex $t 0]/1000000.0}] - puts [format $format {SQLite 2.4.12 (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 ./sqlite248 s2k.db <2kinit.sql -exec ./sqlite2412 s2kb.db <2kinit.sql -set fd [open nosync-init.sql w] -puts $fd { - PRAGMA default_cache_size=2000; - PRAGMA default_synchronous=off; -} -close $fd -exec ./sqlite248 sns.db <nosync-init.sql -exec ./sqlite2412 snsb.db <nosync-init.sql -set ones {zero one two three four five six seven eight nine - ten eleven twelve thirteen fourteen fifteen sixteen seventeen - eighteen nineteen} -set tens {{} ten twenty thirty forty fifty sixty seventy eighty ninety} -proc number_name {n} { - if {$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 $fd "CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));" -for {set i 1} {$i<=1000} {incr i} { - set r [expr {int(rand()*100000)}] - puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" -} -close $fd -runtest {1000 INSERTs} - - - -set fd [open test$cnt.sql w] -puts $fd "BEGIN;" -puts $fd "CREATE TABLE t2(a INTEGER, b INTEGER, c VARCHAR(100));" -for {set i 1} {$i<=25000} {incr i} { - set r [expr {int(rand()*500000)}] - puts $fd "INSERT INTO t2 VALUES($i,$r,'[number_name $r]');" -} -puts $fd "COMMIT;" -close $fd -runtest {25000 INSERTs in a transaction} - - - -set fd [open test$cnt.sql w] -for {set i 0} {$i<100} {incr i} { - set lwr [expr {$i*100}] - set upr [expr {($i+10)*100}] - puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;" -} -close $fd -runtest {100 SELECTs without an index} - - - -set fd [open test$cnt.sql w] -for {set i 1} {$i<=100} {incr i} { - puts $fd "SELECT count(*), avg(b) FROM t2 WHERE c LIKE '%[number_name $i]%';" -} -close $fd -runtest {100 SELECTs on a string comparison} - - - -set fd [open test$cnt.sql w] -puts $fd {CREATE INDEX i2a ON t2(a);} -puts $fd {CREATE INDEX i2b ON t2(b);} -close $fd -runtest {Creating an index} - - - -set fd [open test$cnt.sql w] -for {set i 0} {$i<5000} {incr i} { - set lwr [expr {$i*100}] - set upr [expr {($i+1)*100}] - puts $fd "SELECT count(*), avg(b) FROM t2 WHERE b>=$lwr AND b<$upr;" -} -close $fd -runtest {5000 SELECTs with an index} - - - -set fd [open test$cnt.sql w] -puts $fd "BEGIN;" -for {set i 0} {$i<1000} {incr i} { - set lwr [expr {$i*10}] - set upr [expr {($i+1)*10}] - puts $fd "UPDATE t1 SET b=b*2 WHERE a>=$lwr AND a<$upr;" -} -puts $fd "COMMIT;" -close $fd -runtest {1000 UPDATEs without an index} - - - -set fd [open test$cnt.sql w] -puts $fd "BEGIN;" -for {set i 1} {$i<=25000} {incr i} { - set r [expr {int(rand()*500000)}] - puts $fd "UPDATE t2 SET b=$r WHERE a=$i;" -} -puts $fd "COMMIT;" -close $fd -runtest {25000 UPDATEs with an index} - - -set fd [open test$cnt.sql w] -puts $fd "BEGIN;" -for {set i 1} {$i<=25000} {incr i} { - set r [expr {int(rand()*500000)}] - puts $fd "UPDATE t2 SET c='[number_name $r]' WHERE a=$i;" -} -puts $fd "COMMIT;" -close $fd -runtest {25000 text UPDATEs with an index} - - - -set fd [open test$cnt.sql w] -puts $fd "BEGIN;" -puts $fd "INSERT INTO t1 SELECT * FROM t2;" -puts $fd "INSERT INTO t2 SELECT * FROM t1;" -puts $fd "COMMIT;" -close $fd -runtest {INSERTs from a SELECT} - - - -set fd [open test$cnt.sql w] -puts $fd {DELETE FROM t2 WHERE c LIKE '%fifty%';} -close $fd -runtest {DELETE without an index} - - - -set fd [open test$cnt.sql w] -puts $fd {DELETE FROM t2 WHERE a>10 AND a<20000;} -close $fd -runtest {DELETE with an index} - - - -set fd [open test$cnt.sql w] -puts $fd {INSERT INTO t2 SELECT * FROM t1;} -close $fd -runtest {A big INSERT after a big DELETE} - - - -set fd [open test$cnt.sql w] -puts $fd {BEGIN;} -puts $fd {DELETE FROM t1;} -for {set i 1} {$i<=3000} {incr i} { - set r [expr {int(rand()*100000)}] - puts $fd "INSERT INTO t1 VALUES($i,$r,'[number_name $r]');" -} -puts $fd {COMMIT;} -close $fd -runtest {A big DELETE followed by many small INSERTs} - - - -set fd [open test$cnt.sql w] -puts $fd {DROP TABLE t1;} -puts $fd {DROP TABLE t2;} -close $fd -runtest {DROP TABLE} |