-C Fix\sa\spotential\sone-byte\sbuffer\soverrun\swhen\sreading\sfrom\sthe\sWindows\nconsole\sin\sthe\sCLI.\s[forum:/forumpost/95e17b8f5c|Forum\spost\s95e17b8f5c].
-D 2025-01-17T10:39:04.650
+C Add\sthe\stest/speedtest.tcl\sscript\sto\ssimplify\sperformance\sand\ssize\stesting.
+D 2025-01-17T12:32:01.367
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
F test/speed4.test abc0ad3399dcf9703abed2fff8705e4f8e416715
F test/speed4p.explain 6b5f104ebeb34a038b2f714150f51d01143e59aa
F test/speed4p.test 377a0c48e5a92e0b11c1c5ebb1bc9d83a7312c922bc0cb05970ef5d6a96d1f0c
+F test/speedtest.tcl 76a0959d7d16cbebae49756bbb858a3d2f1d9081e757c87cb7fea7c816d1c575 x
F test/speedtest1.c 323ce0956430a5aae56ea20f502da7bea3fb62b8ed02e9b0f12ab078b2b258f5
F test/spellfix.test 951a6405d49d1a23d6b78027d3877b4a33eeb8221dcab5704b499755bb4f552e
F test/spellfix2.test dfc8f519a3fc204cb2dfa8b4f29821ae90f6f8c3
F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P c4750f7cf7e2188623de8b12e01acf3e3d7dc7b5ea87ac449571eb36f97d842a
-R 45a83a05156d426ada8c2c9a4e3fc01c
+P 4d96759694c91301410f53a3f737a049c33e8b259b0954ff659714aff8b21ae8
+R 7f163047a093ae4e315e910ea1611ab4
U drh
-Z 4047e2705a87b112269cd6828f65ee7b
+Z 4d5c65aabce50a5f7c599ac5c2690d5d
# Remove this line to create a well-formed Fossil manifest.
--- /dev/null
+#!/bin/sh
+# the next line restarts using tclsh \
+exec tclsh "$0" ${1+"$@"}
+#
+# This program runs performance testing on sqlite3.c. Usage:
+set usage {USAGE:
+
+ speedtest.tcl sqlite3.c x1.txt trunk.txt -Os -DSQLITE_ENABLE_STAT4
+ | | | `-----------------------'
+ File to test ----' | | |
+ | | `- options
+ Output filename --------' |
+ `--- optional prior output to diff
+
+Do a cache-grind performance analysis of the sqlite3.c file named and
+write the results into the output file. The ".txt" is appended to the
+output file (and diff-file) name if it is not already present. If the
+diff-file is specified then show a diff from the diff-file to the new
+output.
+
+Other options include:
+ --dryrun Show what would happen but don't do anything
+ --help Show this help screen
+ --lean "Lean" mode.
+ --lookaside N SZ Lookahead uses N slots of SZ bytes each
+ --pagesize N Use N as the page size
+}
+set srcfile {}
+set outfile {}
+set difffile {}
+set cflags {}
+set cc gcc
+set testset mix1
+set dryrun 0
+set speedtestflags {--shrink-memory --reprepare --stats --heap 40000000 64}
+lappend speedtestflags --journal wal --size 5
+
+for {set i 0} {$i<[llength $argv]} {incr i} {
+ set arg [lindex $argv $i]
+ if {[string index $arg 0]=="-"} {
+ switch -- $arg {
+ -pagesize -
+ --pagesize {
+ lappend speedtestflags --pagesize
+ incr i
+ lappend speedtestflags [lindex $argv $i]
+ }
+ -lookaside -
+ --lookaside {
+ lappend speedtestflags --lookaside
+ incr i
+ lappend speedtestflags [lindex $argv $i]
+ incr i
+ lappend speedtestflags [lindex $argv $i]
+ }
+ -lean -
+ --lean {
+ lappend cflags \
+ -DSQLITE_DEFAULT_MEMSTATUS=0 \
+ -DSQLITE_DEFAULT_WAL_SYNCHRONOUS=1 \
+ -DSQLITE_LIKE_DOESNT_MATCH_BLOBS=1 \
+ -DSQLITE_MAX_EXPR_DEPTH=1 \
+ -DSQLITE_OMIT_DECLTYPE \
+ -DSQLITE_OMIT_DEPRECATED \
+ -DSQLITE_OMIT_PROGRESS_CALLBACK \
+ -DSQLITE_OMIT_SHARED_CACHE \
+ -DSQLITE_USE_ALLOCA
+ }
+ -n -
+ -dryrun -
+ --dryrun {
+ set dryrun 1
+ }
+ -? -
+ -help -
+ --help {
+ puts $usage
+ exit 0
+ }
+ default {
+ lappend cflags $arg
+ }
+ }
+ continue
+ }
+ if {[string match CC=* $arg]} {
+ set cc [lrange $arg 3 end]
+ continue
+ }
+ if {[string match *.c $arg]} {
+ if {$srcfile!=""} {
+ puts stderr "multiple source files: $srcfile $arg"
+ exit 1
+ }
+ set srcfile $arg
+ continue
+ }
+ if {[lsearch {main cte rtree orm fp json parsenumber mix1} $arg]>=0} {
+ set testset $arg
+ continue
+ }
+ if {$outfile==""} {
+ set outfile $arg
+ continue
+ }
+ if {$difffile==""} {
+ set difffile $arg
+ continue
+ }
+ puts stderr "unknown option: \"$arg\". Use --help for more info."
+ exit 1
+}
+if {[lsearch -glob $cflags -O*]<0} {
+ lappend cflags -Os
+}
+if {[lsearch -glob $cflags -DSQLITE_ENABLE_MEMSYS*]<0} {
+ lappend cflags -DSQLITE_ENABLE_MEMSYS5
+}
+if {[lsearch -glob $cflags -DSQLITE_ENABLE_RTREE*]<0} {
+ lappend cflags -DSQLITE_ENABLE_RTREE
+}
+if {$srcfile==""} {
+ puts stderr "no sqlite3.c source file specified"
+ exit 1
+}
+if {![file readable $srcfile]} {
+ puts stderr "source file \"$srcfile\" does not exist"
+ exit 1
+}
+if {$outfile==""} {
+ puts stderr "no output file specified"
+ exit 1
+}
+if {![string match *.* [file tail $outfile]]} {
+ append outfile .txt
+}
+if {$difffile!=""} {
+ if {![file exists $difffile]} {
+ if {[file exists $difffile.txt]} {
+ append difffile .txt
+ } else {
+ puts stderr "No such file: \"$difffile\""
+ exit 1
+ }
+ }
+}
+
+set cccmd [list $cc -g]
+lappend cccmd -I[file dir $srcfile]
+lappend cccmd {*}[lsort $cflags]
+lappend cccmd [file dir $argv0]/speedtest1.c
+lappend cccmd $srcfile
+lappend cccmd -o speedtest1
+puts $cccmd
+if {!$dryrun} {
+ exec {*}$cccmd
+}
+lappend speedtestflags --testset $testset
+set stcmd [list valgrind --tool=cachegrind ./speedtest1 {*}$speedtestflags]
+lappend stcmd >valgrind-out.txt 2>valgrind-err.txt
+puts $stcmd
+if {!$dryrun} {
+ exec {*}$stcmd
+}
+
+set maxmtime 0
+set cgfile {}
+foreach cgout [glob -nocomplain cachegrind.out.*] {
+ if {[file mtime $cgout]>$maxmtime} {
+ set cgfile $cgout
+ set maxmtime [file mtime $cgfile]
+ }
+}
+if {$cgfile==""} {
+ puts "no cachegrind output"
+ exit 1
+}
+
+############# Process the cachegrind.out.# file ##########################
+set fd [open $outfile wb]
+set in [open "|cg_annotate --show=Ir --auto=yes --context=40 $cgfile" r]
+set dest !
+set out(!) {}
+set linenum 0
+set cntlines 0 ;# true to remember cycle counts on each line
+set seenSqlite3 0 ;# true if we have seen the sqlite3.c file
+while {![eof $in]} {
+ set line [string map {\t { }} [gets $in]]
+ if {[regexp {^-- Auto-annotated source: (.*)} $line all name]} {
+ set dest $name
+ if {[string match */sqlite3.c $dest]} {
+ set cntlines 1
+ set seenSqlite3 1
+ } else {
+ set cntlines 0
+ }
+ } elseif {[regexp {^-- line (\d+) ------} $line all ln]} {
+ set line [lreplace $line 2 2 {#}]
+ set linenum [expr {$ln-1}]
+ } elseif {[regexp {^The following files chosen for } $line]} {
+ set dest !
+ }
+ append out($dest) $line\n
+ if {$cntlines} {
+ incr linenum
+ if {[regexp {^ *([0-9,]+) } $line all x]} {
+ set x [string map {, {}} $x]
+ set cycles($linenum) $x
+ }
+ }
+}
+foreach x [lsort [array names out]] {
+ puts $fd $out($x)
+}
+# If the sqlite3.c file has been seen, then output a summary of the
+# cycle counts for each file that went into making up sqlite3.c
+#
+if {$seenSqlite3} {
+ close $in
+ set in [open sqlite3.c]
+ set linenum 0
+ set fn sqlite3.c
+ set pattern1 {^/\*+ Begin file ([^ ]+) \*}
+ set pattern2 {^/\*+ Continuing where we left off in ([^ ]+) \*}
+ while {![eof $in]} {
+ set line [gets $in]
+ incr linenum
+ if {[regexp $pattern1 $line all newfn]} {
+ set fn $newfn
+ } elseif {[regexp $pattern2 $line all newfn]} {
+ set fn $newfn
+ } elseif {[info exists cycles($linenum)]} {
+ incr fcycles($fn) $cycles($linenum)
+ }
+ }
+ close $in
+ puts $fd \
+ {**********************************************************************}
+ set lx {}
+ set sum 0
+ foreach {fn cnt} [array get fcycles] {
+ lappend lx [list $cnt $fn]
+ incr sum $cnt
+ }
+ puts $fd [format {%20s %14d %8.3f%%} TOTAL $sum 100]
+ foreach entry [lsort -index 0 -integer -decreasing $lx] {
+ foreach {cnt fn} $entry break
+ puts $fd [format {%20s %14d %8.3f%%} $fn $cnt [expr {$cnt*100.0/$sum}]]
+ }
+}
+puts $fd "Executable size:"
+close $fd
+exec size speedtest1 >>$outfile
+#
+# Processed cachegrind output should now be in the $outfile
+#############################################################################
+
+if {$difffile!=""} {
+ set fossilcmd {fossil xdiff --tk -c 20}
+ lappend fossilcmd $difffile
+ lappend fossilcmd $outfile
+ lappend fossilcmd &
+ puts $fossilcmd
+ if {!$dryrun} {
+ exec {*}$fossilcmd
+ }
+} else {
+ if {!$dryrun} {
+ exec open $outfile
+ }
+}