Profile of /usr/local/lib/perl5/5.10.1/utf8_heavy.pl

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NYTProf Performance Profile «block view•line view•sub view»
For 01.HTTP.t
Run on Tue May 4 14:17:45 2010
Reported on Tue May 4 14:18:14 2010

File | /usr/local/lib/perl5/5.10.1/utf8_heavy.pl
Statements Executed | 104
Statement Execution Time | 4.50ms

Subroutines — ordered by exclusive time
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
1 | 1 | 1 | 4.73ms | 4.77ms | utf8::::SWASHNEWutf8::SWASHNEW
39 | 6 | 2 | 25µs | 25µs | utf8::::CORE:matchutf8::CORE:match (opcode)
12 | 2 | 3 | 24µs | 24µs | utf8::::downgradeutf8::downgrade (xsub)
23 | 1 | 2 | 22µs | 22µs | utf8::::encodeutf8::encode (xsub)
1 | 1 | 1 | 12µs | 17µs | utf8::::BEGIN@2utf8::BEGIN@2
1 | 1 | 1 | 11µs | 28µs | utf8::::BEGIN@211utf8::BEGIN@211
4 | 4 | 2 | 11µs | 11µs | utf8::::CORE:substutf8::CORE:subst (opcode)
1 | 1 | 2 | 10µs | 10µs | utf8::::CORE:sortutf8::CORE:sort (opcode)
1 | 1 | 1 | 10µs | 29µs | utf8::::BEGIN@3utf8::BEGIN@3
1 | 1 | 1 | 9µs | 20µs | utf8::::BEGIN@155utf8::BEGIN@155
1 | 1 | 1 | 8µs | 27µs | utf8::::BEGIN@76utf8::BEGIN@76
0 | 0 | 0 | 0s | 0s | utf8::::DESTROYutf8::DESTROY
0 | 0 | 0 | 0s | 0s | utf8::::croakutf8::croak

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  | package utf8;
2 | 3 | 21µs | 2 | 22µs | # spent 17µs (12+5) within utf8::BEGIN@2 which was called # once (12µs+5µs) by utf8::AUTOLOAD at line 2 use strict; # spent 17µs making 1 call to utf8::BEGIN@2 # spent 5µs making 1 call to strict::import
3 | 3 | 230µs | 2 | 49µs | # spent 29µs (10+20) within utf8::BEGIN@3 which was called # once (10µs+20µs) by utf8::AUTOLOAD at line 3 use warnings; # spent 29µs making 1 call to utf8::BEGIN@3 # spent 20µs making 1 call to warnings::import
4 |  |  |  |  |
5 |  |  |  |  | sub DEBUG () { 0 }
6 |  |  |  |  |
7 |  |  |  |  | sub DESTROY {}
8 |  |  |  |  |
9 | 1 | 200ns |  |  | my %Cache;
10 |  |  |  |  |
11 | 1 | 500ns |  |  | our (%PropertyAlias, %PA_reverse, %PropValueAlias, %PVA_reverse, %PVA_abbr_map);
12 |  |  |  |  |
13 |  |  |  |  | sub croak { require Carp; Carp::croak(@_) }
14 |  |  |  |  |
15 |  |  |  |  | ##
16 |  |  |  |  | ## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape.
17 |  |  |  |  | ## It's a data structure that encodes a set of Unicode characters.
18 |  |  |  |  | ##
19 |  |  |  |  |
20 |  |  |  |  | # spent 4.77ms (4.73+46µs) within utf8::SWASHNEW which was called # once (4.73ms+46µs) by XML::Simple::CORE:match at line 18 of utf8.pm sub SWASHNEW {
21 | 1 | 1µs |  |  | my ($class, $type, $list, $minbits, $none) = @_;
22 | 1 | 600ns |  |  | local $^D = 0 if $^D;
23 |  |  |  |  |
24 | 1 | 0s |  |  | print STDERR "SWASHNEW @_\n" if DEBUG;
25 |  |  |  |  |
26 |  |  |  |  | ##
27 |  |  |  |  | ## Get the list of codepoints for the type.
28 |  |  |  |  | ## Called from swash_init (see utf8.c) or SWASHNEW itself.
29 |  |  |  |  | ##
30 |  |  |  |  | ## Callers of swash_init:
31 |  |  |  |  | ## op.c:pmtrans -- for tr/// and y///
32 |  |  |  |  | ## regexec.c:regclass_swash -- for /[]/, \p, and \P
33 |  |  |  |  | ## utf8.c:is_utf8_common -- for common Unicode properties
34 |  |  |  |  | ## utf8.c:to_utf8_case -- for lc, uc, ucfirst, etc. and //i
35 |  |  |  |  | ##
36 |  |  |  |  | ## Given a $type, our goal is to fill $list with the set of codepoint
37 |  |  |  |  | ## ranges. If $type is false, $list passed is used.
38 |  |  |  |  | ##
39 |  |  |  |  | ## $minbits:
40 |  |  |  |  | ## For binary properties, $minbits must be 1.
41 |  |  |  |  | ## For character mappings (case and transliteration), $minbits must
42 |  |  |  |  | ## be a number except 1.
43 |  |  |  |  | ##
44 |  |  |  |  | ## $list (or that filled according to $type):
45 |  |  |  |  | ## Refer to perlunicode.pod, "User-Defined Character Properties."
46 |  |  |  |  | ##
47 |  |  |  |  | ## For binary properties, only characters with the property value
48 |  |  |  |  | ## of True should be listed. The 3rd column, if any, will be ignored.
49 |  |  |  |  | ##
50 |  |  |  |  | ## To make the parsing of $type clear, this code takes the a rather
51 |  |  |  |  | ## unorthodox approach of last'ing out of the block once we have the
52 |  |  |  |  | ## info we need. Were this to be a subroutine, the 'last' would just
53 |  |  |  |  | ## be a 'return'.
54 |  |  |  |  | ##
55 | 1 | 0s |  |  | my $file; ## file to load data from, and also part of the %Cache key.
56 | 1 | 200ns |  |  | my $ListSorted = 0;
57 |  |  |  |  |
58 | 1 | 200ns |  |  | if ($type)
59 |  |  |  |  | {
60 | 1 | 8µs | 1 | 3µs | $type =~ s/^\s+//; # spent 3µs making 1 call to utf8::CORE:subst
61 | 1 | 5µs | 1 | 3µs | $type =~ s/\s+$//; # spent 3µs making 1 call to utf8::CORE:subst
62 |  |  |  |  |
63 | 1 | 0s |  |  | print STDERR "type = $type\n" if DEBUG;
64 |  |  |  |  |
65 | 1 | 3µs | 1 | 400ns | GETFILE: # spent 400ns making 1 call to utf8::CORE:subst
66 |  |  |  |  | {
67 |  |  |  |  | ##
68 |  |  |  |  | ## It could be a user-defined property.
69 |  |  |  |  | ##
70 |  |  |  |  |
71 | 1 | 100ns |  |  | my $caller1 = $type =~ s/(.+)::// ? $1 : caller(1);
72 |  |  |  |  |
73 | 1 | 7µs | 1 | 3µs | if (defined $caller1 && $type =~ /^(?:\w+)$/) { # spent 3µs making 1 call to utf8::CORE:match
74 | 1 | 1µs |  |  | my $prop = "${caller1}::$type";
75 | 1 | 1µs |  |  | if (exists &{$prop}) {
76 | 3 | 373µs | 2 | 46µs | # spent 27µs (8+19) within utf8::BEGIN@76 which was called # once (8µs+19µs) by utf8::AUTOLOAD at line 76 no strict 'refs'; # spent 27µs making 1 call to utf8::BEGIN@76 # spent 19µs making 1 call to strict::unimport
77 |  |  |  |  |
78 |  |  |  |  | $list = &{$prop};
79 |  |  |  |  | last GETFILE;
80 |  |  |  |  | }
81 |  |  |  |  | }
82 |  |  |  |  |
83 | 1 | 100ns |  |  | my $wasIs;
84 |  |  |  |  |
85 | 1 | 7µs | 1 | 4µs | ($wasIs = $type =~ s/^Is(?:\s+|[-_])?//i) # spent 4µs making 1 call to utf8::CORE:subst
86 |  |  |  |  | or
87 |  |  |  |  | $type =~ s/^(?:(?:General(?:\s+|_)?)?Category|gc)\s*[:=]\s*//i
88 |  |  |  |  | or
89 |  |  |  |  | $type =~ s/^(?:Script|sc)\s*[:=]\s*//i
90 |  |  |  |  | or
91 |  |  |  |  | $type =~ s/^Block\s*[:=]\s*/In/i;
92 |  |  |  |  |
93 |  |  |  |  |
94 |  |  |  |  | ##
95 |  |  |  |  | ## See if it's in some enumeration.
96 |  |  |  |  | ##
97 | 1 | 2.81ms |  |  | require "unicore/PVA.pl";
98 | 1 | 13µs | 1 | 5µs | if ($type =~ /^([\w\s]+)[:=]\s*(.*)/) { # spent 5µs making 1 call to utf8::CORE:match
99 |  |  |  |  | my ($enum, $val) = (lc $1, lc $2);
100 |  |  |  |  | $enum =~ tr/ _-//d;
101 |  |  |  |  | $val =~ tr/ _-//d;
102 |  |  |  |  |
103 |  |  |  |  | my $pa = $PropertyAlias{$enum} ? $enum : $PA_reverse{$enum};
104 |  |  |  |  | my $f = $PropValueAlias{$pa}{$val} ? $val : $PVA_reverse{$pa}{lc $val};
105 |  |  |  |  |
106 |  |  |  |  | if ($pa and $f) {
107 |  |  |  |  | $pa = "gc_sc" if $pa eq "gc" or $pa eq "sc";
108 |  |  |  |  | $file = "unicore/lib/$pa/$PVA_abbr_map{$pa}{lc $f}.pl";
109 |  |  |  |  | last GETFILE;
110 |  |  |  |  | }
111 |  |  |  |  | }
112 |  |  |  |  | else {
113 | 1 | 1µs |  |  | my $t = lc $type;
114 | 1 | 7µs |  |  | $t =~ tr/ _-//d;
115 |  |  |  |  |
116 | 1 | 2µs |  |  | if ($PropValueAlias{gc}{$t} or $PropValueAlias{sc}{$t}) {
117 |  |  |  |  | $file = "unicore/lib/gc_sc/$PVA_abbr_map{gc_sc}{$t}.pl";
118 |  |  |  |  | last GETFILE;
119 |  |  |  |  | }
120 |  |  |  |  | }
121 |  |  |  |  |
122 |  |  |  |  | ##
123 |  |  |  |  | ## See if it's in the direct mapping table.
124 |  |  |  |  | ##
125 | 1 | 158µs |  |  | require "unicore/Exact.pl";
126 | 1 | 1µs |  |  | if (my $base = $utf8::Exact{$type}) {
127 | 1 | 1µs |  |  | $file = "unicore/lib/gc_sc/$base.pl";
128 | 1 | 2µs |  |  | last GETFILE;
129 |  |  |  |  | }
130 |  |  |  |  |
131 |  |  |  |  | ##
132 |  |  |  |  | ## If not there exactly, try the canonical form. The canonical
133 |  |  |  |  | ## form is lowercased, with any separators (\s+|[-_]) removed.
134 |  |  |  |  | ##
135 |  |  |  |  | my $canonical = lc $type;
136 |  |  |  |  | $canonical =~ s/(?<=[a-z\d])(?:\s+|[-_])(?=[a-z\d])//g;
137 |  |  |  |  | print STDERR "canonical = $canonical\n" if DEBUG;
138 |  |  |  |  |
139 |  |  |  |  | require "unicore/Canonical.pl";
140 |  |  |  |  | if (my $base = ($utf8::Canonical{$canonical} || $utf8::Canonical{ lc $utf8::PropertyAlias{$canonical} })) {
141 |  |  |  |  | $file = "unicore/lib/gc_sc/$base.pl";
142 |  |  |  |  | last GETFILE;
143 |  |  |  |  | }
144 |  |  |  |  |
145 |  |  |  |  | ##
146 |  |  |  |  | ## See if it's a user-level "To".
147 |  |  |  |  | ##
148 |  |  |  |  |
149 |  |  |  |  | my $caller0 = caller(0);
150 |  |  |  |  |
151 |  |  |  |  | if (defined $caller0 && $type =~ /^To(?:\w+)$/) {
152 |  |  |  |  | my $map = $caller0 . "::" . $type;
153 |  |  |  |  |
154 |  |  |  |  | if (exists &{$map}) {
155 | 3 | 171µs | 2 | 31µs | # spent 20µs (9+11) within utf8::BEGIN@155 which was called # once (9µs+11µs) by utf8::AUTOLOAD at line 155 no strict 'refs'; # spent 20µs making 1 call to utf8::BEGIN@155 # spent 11µs making 1 call to strict::unimport
156 |  |  |  |  |
157 |  |  |  |  | $list = &{$map};
158 |  |  |  |  | last GETFILE;
159 |  |  |  |  | }
160 |  |  |  |  | }
161 |  |  |  |  |
162 |  |  |  |  | ##
163 |  |  |  |  | ## Last attempt -- see if it's a standard "To" name
164 |  |  |  |  | ## (e.g. "ToLower") ToTitle is used by ucfirst().
165 |  |  |  |  | ## The user-level way to access ToDigit() and ToFold()
166 |  |  |  |  | ## is to use Unicode::UCD.
167 |  |  |  |  | ##
168 |  |  |  |  | if ($type =~ /^To(Digit|Fold|Lower|Title|Upper)$/) {
169 |  |  |  |  | $file = "unicore/To/$1.pl";
170 |  |  |  |  | ## would like to test to see if $file actually exists....
171 |  |  |  |  | last GETFILE;
172 |  |  |  |  | }
173 |  |  |  |  |
174 |  |  |  |  | ##
175 |  |  |  |  | ## If we reach this line, it's because we couldn't figure
176 |  |  |  |  | ## out what to do with $type. Ouch.
177 |  |  |  |  | ##
178 |  |  |  |  |
179 |  |  |  |  | return $type;
180 |  |  |  |  | }
181 |  |  |  |  |
182 | 1 | 400ns |  |  | if (defined $file) {
183 | 1 | 100ns |  |  | print STDERR "found it (file='$file')\n" if DEBUG;
184 |  |  |  |  |
185 |  |  |  |  | ##
186 |  |  |  |  | ## If we reach here, it was due to a 'last GETFILE' above
187 |  |  |  |  | ## (exception: user-defined properties and mappings), so we
188 |  |  |  |  | ## have a filename, so now we load it if we haven't already.
189 |  |  |  |  | ## If we have, return the cached results. The cache key is the
190 |  |  |  |  | ## class and file to load.
191 |  |  |  |  | ##
192 | 1 | 2µs |  |  | my $found = $Cache{$class, $file};
193 | 1 | 200ns |  |  | if ($found and ref($found) eq $class) {
194 |  |  |  |  | print STDERR "Returning cached '$file' for \\p{$type}\n" if DEBUG;
195 |  |  |  |  | return $found;
196 |  |  |  |  | }
197 |  |  |  |  |
198 | 2 | 55µs |  |  | $list = do $file; die $@ if $@;
199 |  |  |  |  | }
200 |  |  |  |  |
201 | 1 | 500ns |  |  | $ListSorted = 1; ## we know that these lists are sorted
202 |  |  |  |  | }
203 |  |  |  |  |
204 | 1 | 100ns |  |  | my $extras;
205 | 1 | 100ns |  |  | my $bits = $minbits;
206 |  |  |  |  |
207 | 1 | 400ns |  |  | my $ORIG = $list;
208 | 1 | 6µs |  |  | if ($list) {
209 | 1 | 7µs |  |  | my @tmp = split(/^/m, $list);
210 | 1 | 100ns |  |  | my %seen;
211 | 3 | 455µs | 2 | 45µs | # spent 28µs (11+17) within utf8::BEGIN@211 which was called # once (11µs+17µs) by utf8::AUTOLOAD at line 211 no warnings; # spent 28µs making 1 call to utf8::BEGIN@211 # spent 17µs making 1 call to warnings::unimport
212 | 1 | 21µs | 12 | 4µs | $extras = join '', grep /^[^0-9a-fA-F]/, @tmp; # spent 4µs making 12 calls to utf8::CORE:match, avg 333ns/call
213 |  |  |  |  | $list = join '',
214 |  |  |  |  | map { $_->[1] }
215 | 12 | 20µs | 12 | 6µs | sort { $a->[0] <=> $b->[0] } # spent 6µs making 12 calls to utf8::CORE:match, avg 508ns/call
216 | 24 | 47µs | 12 | 7µs | map { /^([0-9a-fA-F]+)/; [ CORE::hex($1), $_ ] } # spent 7µs making 12 calls to utf8::CORE:match, avg 592ns/call
217 | 1 | 27µs | 1 | 10µs | grep { /^([0-9a-fA-F]+)/ and not $seen{$1}++ } @tmp; # XXX doesn't do ranges right # spent 10µs making 1 call to utf8::CORE:sort
218 |  |  |  |  | }
219 |  |  |  |  |
220 | 1 | 100ns |  |  | if ($none) {
221 |  |  |  |  | my $hextra = sprintf "%04x", $none + 1;
222 |  |  |  |  | $list =~ s/\tXXXX$/\t$hextra/mg;
223 |  |  |  |  | }
224 |  |  |  |  |
225 | 1 | 900ns |  |  | if ($minbits != 1 && $minbits < 32) { # not binary property
226 |  |  |  |  | my $top = 0;
227 |  |  |  |  | while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ \t]([0-9a-fA-F]+))?/mg) {
228 |  |  |  |  | my $min = CORE::hex $1;
229 |  |  |  |  | my $max = defined $2 ? CORE::hex $2 : $min;
230 |  |  |  |  | my $val = defined $3 ? CORE::hex $3 : 0;
231 |  |  |  |  | $val += $max - $min if defined $3;
232 |  |  |  |  | $top = $val if $val > $top;
233 |  |  |  |  | }
234 |  |  |  |  | my $topbits =
235 |  |  |  |  | $top > 0xffff ? 32 :
236 |  |  |  |  | $top > 0xff ? 16 : 8;
237 |  |  |  |  | $bits = $topbits if $bits < $topbits;
238 |  |  |  |  | }
239 |  |  |  |  |
240 | 1 | 100ns |  |  | my @extras;
241 | 1 | 800ns |  |  | for my $x ($extras) {
242 | 1 | 2µs |  |  | pos $x = 0;
243 | 1 | 3µs | 1 | 200ns | while ($x =~ /^([^0-9a-fA-F\n])(.*)/mg) { # spent 200ns making 1 call to utf8::CORE:match
244 |  |  |  |  | my $char = $1;
245 |  |  |  |  | my $name = $2;
246 |  |  |  |  | print STDERR "$1 => $2\n" if DEBUG;
247 |  |  |  |  | if ($char =~ /[-+!&]/) {
248 |  |  |  |  | my ($c,$t) = split(/::/, $name, 2); # bogus use of ::, really
249 |  |  |  |  | my $subobj;
250 |  |  |  |  | if ($c eq 'utf8') {
251 |  |  |  |  | $subobj = utf8->SWASHNEW($t, "", $minbits, 0);
252 |  |  |  |  | }
253 |  |  |  |  | elsif (exists &$name) {
254 |  |  |  |  | $subobj = utf8->SWASHNEW($name, "", $minbits, 0);
255 |  |  |  |  | }
256 |  |  |  |  | elsif ($c =~ /^([0-9a-fA-F]+)/) {
257 |  |  |  |  | $subobj = utf8->SWASHNEW("", $c, $minbits, 0);
258 |  |  |  |  | }
259 |  |  |  |  | return $subobj unless ref $subobj;
260 |  |  |  |  | push @extras, $name => $subobj;
261 |  |  |  |  | $bits = $subobj->{BITS} if $bits < $subobj->{BITS};
262 |  |  |  |  | }
263 |  |  |  |  | }
264 |  |  |  |  | }
265 |  |  |  |  |
266 | 1 | 0s |  |  | print STDERR "CLASS = $class, TYPE => $type, BITS => $bits, NONE => $none\nEXTRAS =>\n$extras\nLIST =>\n$list\n" if DEBUG;
267 |  |  |  |  |
268 | 1 | 8µs |  |  | my $SWASH = bless {
269 |  |  |  |  | TYPE => $type,
270 |  |  |  |  | BITS => $bits,
271 |  |  |  |  | EXTRAS => $extras,
272 |  |  |  |  | LIST => $list,
273 |  |  |  |  | NONE => $none,
274 |  |  |  |  | @extras,
275 |  |  |  |  | } => $class;
276 |  |  |  |  |
277 | 1 | 2µs |  |  | if ($file) {
278 |  |  |  |  | $Cache{$class, $file} = $SWASH;
279 |  |  |  |  | }
280 |  |  |  |  |
281 | 1 | 4µs |  |  | return $SWASH;
282 |  |  |  |  | }
283 |  |  |  |  |
284 |  |  |  |  | # Now SWASHGET is recasted into a C function S_swash_get (see utf8.c).
285 |  |  |  |  |
286 | 1 | 9µs |  |  | 1;
|  |  |  |  | # spent 25µs within utf8::CORE:match which was called 39 times, avg 649ns/call: # 12 times (7µs+0s) by utf8::SWASHNEW at line 216 of utf8_heavy.pl, avg 592ns/call # 12 times (6µs+0s) by utf8::SWASHNEW at line 215 of utf8_heavy.pl, avg 508ns/call # 12 times (4µs+0s) by utf8::SWASHNEW at line 212 of utf8_heavy.pl, avg 333ns/call # once (5µs+0s) by utf8::SWASHNEW at line 98 of utf8_heavy.pl # once (3µs+0s) by utf8::SWASHNEW at line 73 of utf8_heavy.pl # once (200ns+0s) by utf8::SWASHNEW at line 243 of utf8_heavy.pl sub utf8::CORE:match; # xsub
|  |  |  |  | # spent 10µs within utf8::CORE:sort which was called # once (10µs+0s) by utf8::SWASHNEW at line 217 of utf8_heavy.pl sub utf8::CORE:sort; # xsub
|  |  |  |  | # spent 11µs within utf8::CORE:subst which was called 4 times, avg 3µs/call: # once (4µs+0s) by utf8::SWASHNEW at line 85 of utf8_heavy.pl # once (3µs+0s) by utf8::SWASHNEW at line 61 of utf8_heavy.pl # once (3µs+0s) by utf8::SWASHNEW at line 60 of utf8_heavy.pl # once (400ns+0s) by utf8::SWASHNEW at line 65 of utf8_heavy.pl sub utf8::CORE:subst; # xsub
|  |  |  |  | # spent 24µs within utf8::downgrade which was called 12 times, avg 2µs/call: # 8 times (20µs+0s) by HTTP::Message::__ANON__[/usr/local/lib/perl5/site_perl/5.10.1/HTTP/Message.pm:18] at line 16 of HTTP/Message.pm, avg 2µs/call # 4 times (5µs+0s) by Net::HTTP::Methods::__ANON__[/usr/local/lib/perl5/site_perl/5.10.1/Net/HTTP/Methods.pm:19] at line 14 of Net/HTTP/Methods.pm, avg 1µs/call sub utf8::downgrade; # xsub
|  |  |  |  | # spent 22µs within utf8::encode which was called 23 times, avg 974ns/call: # 23 times (22µs+0s) by URI::Escape::uri_escape_utf8 at line 190 of URI/Escape.pm, avg 974ns/call sub utf8::encode; # xsub