* io.c (IO_RBUF_CAPA_FOR): use large buffer as cbuf if readconv is

needed for performance improvement.  based on a patch by Roger Pack
  in [ruby-core:28163].  [ruby-core:28162]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2010-03-21 08:57:55 +00:00
Родитель 8e63c340b9
Коммит cce4892c1f
2 изменённых файлов: 26 добавлений и 18 удалений

Просмотреть файл

@ -1,3 +1,9 @@
Sun Mar 21 17:57:49 2010 Nobuyoshi Nakada <nobu@ruby-lang.org>
* io.c (IO_RBUF_CAPA_FOR): use large buffer as cbuf if readconv is
needed for performance improvement. based on a patch by Roger Pack
in [ruby-core:28163]. [ruby-core:28162]
Sun Mar 21 17:14:49 2010 Tanaka Akira <akr@fsij.org>
* tool/transcode-tblgen.rb: reuse hash object.

38
io.c
Просмотреть файл

@ -109,8 +109,9 @@ extern void Init_File(void);
#define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
#define IO_RBUF_CAPA_MIN 16384
#define IO_CBUF_CAPA_MIN 16384
#define IO_RBUF_CAPA_MIN 8192
#define IO_CBUF_CAPA_MIN (128*1024)
#define IO_RBUF_CAPA_FOR(fptr) (NEED_READCONV(fptr) ? IO_CBUF_CAPA_MIN : IO_RBUF_CAPA_MIN)
#define IO_WBUF_CAPA_MIN 8192
VALUE rb_cIO;
@ -206,6 +207,19 @@ static int max_file_descriptor = NOFILE;
# endif
#endif
#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32)
/* Windows */
# define NEED_NEWLINE_DECORATOR_ON_READ(fptr) (!(fptr->mode & FMODE_BINMODE))
# define NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) (!(fptr->mode & FMODE_BINMODE))
# define TEXTMODE_NEWLINE_DECORATOR_ON_WRITE ECONV_CRLF_NEWLINE_DECORATOR
#else
/* Unix */
# define NEED_NEWLINE_DECORATOR_ON_READ(fptr) (fptr->mode & FMODE_TEXTMODE)
# define NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) 0
#endif
#define NEED_READCONV(fptr) (fptr->encs.enc2 != NULL || NEED_NEWLINE_DECORATOR_ON_READ(fptr))
#define NEED_WRITECONV(fptr) ((fptr->encs.enc != NULL && fptr->encs.enc != rb_ascii8bit_encoding()) || NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) || (fptr->encs.ecflags & (ECONV_DECORATOR_MASK|ECONV_STATEFUL_DECORATOR_MASK)))
#if !defined HAVE_SHUTDOWN && !defined shutdown
#define shutdown(a,b) 0
#endif
@ -336,16 +350,17 @@ io_ungetbyte(VALUE str, rb_io_t *fptr)
long len = RSTRING_LEN(str);
if (fptr->rbuf == NULL) {
const int min_capa = IO_RBUF_CAPA_FOR(fptr);
fptr->rbuf_off = 0;
fptr->rbuf_len = 0;
#if SIZEOF_LONG > SIZEOF_INT
if (len > INT_MAX)
rb_raise(rb_eIOError, "ungetbyte failed");
#endif
if (len > IO_RBUF_CAPA_MIN)
if (len > min_capa)
fptr->rbuf_capa = (int)len;
else
fptr->rbuf_capa = IO_RBUF_CAPA_MIN;
fptr->rbuf_capa = min_capa;
fptr->rbuf = ALLOC_N(char, fptr->rbuf_capa);
}
if (fptr->rbuf_capa < len + fptr->rbuf_len) {
@ -705,19 +720,6 @@ rb_io_wait_writable(int f)
}
}
#if defined(RUBY_TEST_CRLF_ENVIRONMENT) || defined(_WIN32)
/* Windows */
# define NEED_NEWLINE_DECORATOR_ON_READ(fptr) (!(fptr->mode & FMODE_BINMODE))
# define NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) (!(fptr->mode & FMODE_BINMODE))
# define TEXTMODE_NEWLINE_DECORATOR_ON_WRITE ECONV_CRLF_NEWLINE_DECORATOR
#else
/* Unix */
# define NEED_NEWLINE_DECORATOR_ON_READ(fptr) (fptr->mode & FMODE_TEXTMODE)
# define NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) 0
#endif
#define NEED_READCONV(fptr) (fptr->encs.enc2 != NULL || NEED_NEWLINE_DECORATOR_ON_READ(fptr))
#define NEED_WRITECONV(fptr) ((fptr->encs.enc != NULL && fptr->encs.enc != rb_ascii8bit_encoding()) || NEED_NEWLINE_DECORATOR_ON_WRITE(fptr) || (fptr->encs.ecflags & (ECONV_DECORATOR_MASK|ECONV_STATEFUL_DECORATOR_MASK)))
static void
make_writeconv(rb_io_t *fptr)
{
@ -1175,7 +1177,7 @@ io_fillbuf(rb_io_t *fptr)
if (fptr->rbuf == NULL) {
fptr->rbuf_off = 0;
fptr->rbuf_len = 0;
fptr->rbuf_capa = IO_RBUF_CAPA_MIN;
fptr->rbuf_capa = IO_RBUF_CAPA_FOR(fptr);
fptr->rbuf = ALLOC_N(char, fptr->rbuf_capa);
}
if (fptr->rbuf_len == 0) {