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Another speedup by avoiding string copies.

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15% speed gain in test case (rewriting 1M URLs).
This commit is contained in:
Sascha Schumann
2000-09-19 18:17:28 +00:00
parent 95ae21ff1b
commit a7ef1966ac
2 changed files with 66 additions and 90 deletions
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96
ext/standard/url_scanner_ex.c
View File

@@ -1,4 +1,4 @@
/* Generated by re2c 0.5 on Tue Sep 19 20:01:37 2000 */
/* Generated by re2c 0.5 on Tue Sep 19 20:15:55 2000 */
#line 1 "/home/sas/src/php4/ext/standard/url_scanner_ex.re"
/*
+----------------------------------------------------------------------+
@@ -83,6 +83,13 @@ static inline void smart_str_appendl(smart_str *dest, const char *src, size_t le
smart_str_append(dest, &s);
}
static inline void smart_str_setl(smart_str *dest, const char *src, size_t len)
{
dest->len = len;
dest->a = len + 1;
dest->c = src;
}
static inline void smart_str_appends(smart_str *dest, const char *src)
{
smart_str_appendl(dest, src, strlen(src));
@@ -93,6 +100,11 @@ static inline void smart_str_copys(smart_str *dest, const char *src)
smart_str_copyl(dest, src, strlen(src));
}
static inline void smart_str_sets(smart_str *dest, const char *src)
{
smart_str_setl(dest, src, strlen(src));
}
static inline void attach_url(smart_str *url, smart_str *name, smart_str *val, const char *separator)
{
if (strchr(url->c, ':')) return;
@@ -136,7 +148,7 @@ static inline void tag_arg(url_adapt_state_t *ctx PLS_DC)
smart_str_appends(&ctx->result, "\"");
}
#line 139
#line 151
#define NEXT continue
@@ -238,17 +250,17 @@ yy0:
if(yybm[0+yych] & 128) goto yy4;
yy2: yych = *++YYCURSOR;
yy3:
#line 196
#line 208
{ tag_start = YYCURSOR; GO(STATE_TAG); COPY_ALL;}
yy4: ++YYCURSOR;
if(YYLIMIT == YYCURSOR) YYFILL(1);
yych = *YYCURSOR;
yy5: if(yybm[0+yych] & 128) goto yy4;
yy6:
#line 197
#line 209
{ COPY_ALL; }
}
#line 198
#line 210
break;
@@ -305,7 +317,7 @@ yy9: yyaccept = 0;
if(yych == ' ') goto yy12;
if(yych == '>') goto yy12;
yy10:
#line 213
#line 225
{
YYCURSOR--;
GO(STATE_PLAIN);
@@ -316,7 +328,7 @@ yy11: yych = *++YYCURSOR;
goto yy10;
yy12: yych = *++YYCURSOR;
yy13:
#line 203
#line 215
{
YYCURSOR--;
arg_start = YYCURSOR;
@@ -338,7 +350,7 @@ yy16: YYCURSOR = YYMARKER;
case 0: goto yy10;
}
}
#line 219
#line 231
break;
@@ -392,14 +404,14 @@ yy19:yy20: ++YYCURSOR;
yych = *YYCURSOR;
yy21: if(yybm[0+yych] & 128) goto yy20;
yy22:
#line 224
#line 236
{
GO(STATE_ARG);
NEXT;
}
yy23: yych = *++YYCURSOR;
yy24:
#line 228
#line 240
{
HANDLE_FORM;
GO(STATE_PLAIN);
@@ -407,7 +419,7 @@ yy24:
COPY_ALL;
}
}
#line 234
#line 246
break;
@@ -460,7 +472,7 @@ yy25:
if(yych <= '<') goto yy30;
if(yych >= '?') goto yy30;
yy27:
#line 252
#line 264
{
arg_start = YYCURSOR;
ctx->state--;
@@ -499,12 +511,12 @@ yy35: ++YYCURSOR;
yych = *YYCURSOR;
yy36: if(yych == ' ') goto yy35;
yy37:
#line 240
#line 252
{
char *p;
for (p = start; isalpha(*p); p++);
smart_str_copyl(&ctx->arg, start, p - start);
smart_str_setl(&ctx->arg, start, p - start);
#ifdef SCANNER_DEBUG
printf("ARG(%s)\n", ctx->arg.c);
#endif
@@ -513,7 +525,7 @@ yy37:
COPY_ALL;
}
}
#line 257
#line 269
break;
@@ -576,7 +588,7 @@ yy40: yyaccept = 0;
yych = *(YYMARKER = ++YYCURSOR);
if(yych != '^') goto yy51;
yy41:
#line 286
#line 298
{
YYCURSOR--;
ctx->state = 2;
@@ -590,11 +602,11 @@ yy43: yych = *++YYCURSOR;
goto yy41;
yy44: yych = *++YYCURSOR;
yy45:
#line 274
#line 286
{
YYCURSOR--;
para_start = NULL;
smart_str_copyl(&ctx->para, start, YYCURSOR - start);
smart_str_setl(&ctx->para, start, YYCURSOR - start);
#ifdef SCANNER_DEBUG
printf("PARA(%s)\n", ctx->para.c);
#endif
@@ -631,11 +643,11 @@ yy52: yych = *++YYCURSOR;
if(yych != '>') goto yy47;
yy53: yych = *++YYCURSOR;
yy54:
#line 262
#line 274
{
YYCURSOR--;
para_start = NULL;
smart_str_copyl(&ctx->para, start + 1, YYCURSOR - start - 2);
smart_str_setl(&ctx->para, start + 1, YYCURSOR - start - 2);
#ifdef SCANNER_DEBUG
printf("PARA(%s)\n", ctx->para.c);
#endif
@@ -657,7 +669,7 @@ yy57: if(yybm[0+yych] & 128) goto yy56;
yy58: yych = *++YYCURSOR;
goto yy54;
}
#line 291
#line 303
break;
}
@@ -699,19 +711,25 @@ char *url_adapt_ext(const char *src, size_t srclen, const char *name, const char
char *ret;
BLS_FETCH();
smart_str_copys(&BG(url_adapt_state).name, name);
smart_str_copys(&BG(url_adapt_state).value, value);
smart_str_sets(&BG(url_adapt_state).name, name);
smart_str_sets(&BG(url_adapt_state).value, value);
str.c = (char *) src;
str.len = srclen;
mainloop(&BG(url_adapt_state), &str);
*newlen = BG(url_adapt_state).result.len;
//printf("(%d)NEW(%d): %s'\n", srclen, BG(url_adapt_state).result.len, BG(url_adapt_state).result.c);
#ifdef SCANNER_DEBUG
printf("(%d)NEW(%d): %s'\n", srclen, BG(url_adapt_state).result.len, BG(url_adapt_state).result.c);
#endif
#if 1
ret = BG(url_adapt_state).result.c;
BG(url_adapt_state).result.c = NULL;
return ret;
#else
return strdup(BG(url_adapt_state).result.c);
#endif
}
PHP_RINIT_FUNCTION(url_scanner)
@@ -727,40 +745,10 @@ PHP_RSHUTDOWN_FUNCTION(url_scanner)
{
BLS_FETCH();
smart_str_free(&BG(url_adapt_state).name);
smart_str_free(&BG(url_adapt_state).value);
smart_str_free(&BG(url_adapt_state).result);
smart_str_free(&BG(url_adapt_state).work);
smart_str_free(&BG(url_adapt_state).arg);
smart_str_free(&BG(url_adapt_state).tag);
smart_str_free(&BG(url_adapt_state).para);
return SUCCESS;
}
#if 0
void main()
{
url_adapt_state_t ctx;
smart_str str = {0};
memset(&ctx, 0, sizeof(ctx));
smart_str_copys(&ctx.name, "PHPSESSID");
smart_str_copys(&ctx.value, "FOOBAR");
smart_str_copys(&str, "blabla<HTML>asdasd<a c=d target=_b foobar=x");
mainloop(&ctx, &str);
smart_str_copys(&str, "lank dontblink href=someurl onclick=\"xxx\">bla</a>\n<");
mainloop(&ctx, &str);
smart_str_copys(&str, "area href=foobar>");
mainloop(&ctx, &str);
smart_str_copys(&str, "<form action=blabla ");
mainloop(&ctx, &str);
smart_str_copys(&str, "method=post>");
mainloop(&ctx, &str);
printf("\n%s\n", ctx.result.c);
}
#endif
#endif

60
ext/standard/url_scanner_ex.re
View File

@@ -81,6 +81,13 @@ static inline void smart_str_appendl(smart_str *dest, const char *src, size_t le
smart_str_append(dest, &s);
}
static inline void smart_str_setl(smart_str *dest, const char *src, size_t len)
{
dest->len = len;
dest->a = len + 1;
dest->c = src;
}
static inline void smart_str_appends(smart_str *dest, const char *src)
{
smart_str_appendl(dest, src, strlen(src));
@@ -91,6 +98,11 @@ static inline void smart_str_copys(smart_str *dest, const char *src)
smart_str_copyl(dest, src, strlen(src));
}
static inline void smart_str_sets(smart_str *dest, const char *src)
{
smart_str_setl(dest, src, strlen(src));
}
static inline void attach_url(smart_str *url, smart_str *name, smart_str *val, const char *separator)
{
if (strchr(url->c, ':')) return;
@@ -241,7 +253,7 @@ static void mainloop(url_adapt_state_t *ctx, smart_str *newstuff)
char *p;
for (p = start; isalpha(*p); p++);
smart_str_copyl(&ctx->arg, start, p - start);
smart_str_setl(&ctx->arg, start, p - start);
#ifdef SCANNER_DEBUG
printf("ARG(%s)\n", ctx->arg.c);
#endif
@@ -262,7 +274,7 @@ static void mainloop(url_adapt_state_t *ctx, smart_str *newstuff)
["] (all\[^>"])* ["] [ >] {
YYCURSOR--;
para_start = NULL;
smart_str_copyl(&ctx->para, start + 1, YYCURSOR - start - 2);
smart_str_setl(&ctx->para, start + 1, YYCURSOR - start - 2);
#ifdef SCANNER_DEBUG
printf("PARA(%s)\n", ctx->para.c);
#endif
@@ -274,7 +286,7 @@ static void mainloop(url_adapt_state_t *ctx, smart_str *newstuff)
(all\[^> ])+ [ >] {
YYCURSOR--;
para_start = NULL;
smart_str_copyl(&ctx->para, start, YYCURSOR - start);
smart_str_setl(&ctx->para, start, YYCURSOR - start);
#ifdef SCANNER_DEBUG
printf("PARA(%s)\n", ctx->para.c);
#endif
@@ -329,19 +341,25 @@ char *url_adapt_ext(const char *src, size_t srclen, const char *name, const char
char *ret;
BLS_FETCH();
smart_str_copys(&BG(url_adapt_state).name, name);
smart_str_copys(&BG(url_adapt_state).value, value);
smart_str_sets(&BG(url_adapt_state).name, name);
smart_str_sets(&BG(url_adapt_state).value, value);
str.c = (char *) src;
str.len = srclen;
mainloop(&BG(url_adapt_state), &str);
*newlen = BG(url_adapt_state).result.len;
//printf("(%d)NEW(%d): %s'\n", srclen, BG(url_adapt_state).result.len, BG(url_adapt_state).result.c);
#ifdef SCANNER_DEBUG
printf("(%d)NEW(%d): %s'\n", srclen, BG(url_adapt_state).result.len, BG(url_adapt_state).result.c);
#endif
#if 1
ret = BG(url_adapt_state).result.c;
BG(url_adapt_state).result.c = NULL;
return ret;
#else
return strdup(BG(url_adapt_state).result.c);
#endif
}
PHP_RINIT_FUNCTION(url_scanner)
@@ -357,40 +375,10 @@ PHP_RSHUTDOWN_FUNCTION(url_scanner)
{
BLS_FETCH();
smart_str_free(&BG(url_adapt_state).name);
smart_str_free(&BG(url_adapt_state).value);
smart_str_free(&BG(url_adapt_state).result);
smart_str_free(&BG(url_adapt_state).work);
smart_str_free(&BG(url_adapt_state).arg);
smart_str_free(&BG(url_adapt_state).tag);
smart_str_free(&BG(url_adapt_state).para);
return SUCCESS;
}
#if 0
void main()
{
url_adapt_state_t ctx;
smart_str str = {0};
memset(&ctx, 0, sizeof(ctx));
smart_str_copys(&ctx.name, "PHPSESSID");
smart_str_copys(&ctx.value, "FOOBAR");
smart_str_copys(&str, "blabla<HTML>asdasd<a c=d target=_b foobar=x");
mainloop(&ctx, &str);
smart_str_copys(&str, "lank dontblink href=someurl onclick=\"xxx\">bla</a>\n<");
mainloop(&ctx, &str);
smart_str_copys(&str, "area href=foobar>");
mainloop(&ctx, &str);
smart_str_copys(&str, "<form action=blabla ");
mainloop(&ctx, &str);
smart_str_copys(&str, "method=post>");
mainloop(&ctx, &str);
printf("\n%s\n", ctx.result.c);
}
#endif
#endif