Author: Alex Gaynor <alex.gay...@gmail.com>
Branch:
Changeset: r67857:d9e23b12374a
Date: 2013-11-05 10:33 -0800
http://bitbucket.org/pypy/pypy/changeset/d9e23b12374a/
Log: Speed up StringBuilder.append_charpsize
diff --git a/rpython/rtyper/lltypesystem/rbuilder.py
b/rpython/rtyper/lltypesystem/rbuilder.py
--- a/rpython/rtyper/lltypesystem/rbuilder.py
+++ b/rpython/rtyper/lltypesystem/rbuilder.py
@@ -39,16 +39,24 @@
rstr.copy_unicode_contents)
STRINGBUILDER = lltype.GcStruct('stringbuilder',
- ('allocated', lltype.Signed),
- ('used', lltype.Signed),
- ('buf', lltype.Ptr(STR)),
-
adtmeths={'grow':staticAdtMethod(stringbuilder_grow)})
+ ('allocated', lltype.Signed),
+ ('used', lltype.Signed),
+ ('buf', lltype.Ptr(STR)),
+ adtmeths={
+ 'grow': staticAdtMethod(stringbuilder_grow),
+ 'copy_raw_to_string': staticAdtMethod(rstr.copy_raw_to_string),
+ }
+)
UNICODEBUILDER = lltype.GcStruct('unicodebuilder',
- ('allocated', lltype.Signed),
- ('used', lltype.Signed),
- ('buf', lltype.Ptr(UNICODE)),
-
adtmeths={'grow':staticAdtMethod(unicodebuilder_grow)})
+ ('allocated', lltype.Signed),
+ ('used', lltype.Signed),
+ ('buf', lltype.Ptr(UNICODE)),
+ adtmeths={
+ 'grow': staticAdtMethod(unicodebuilder_grow),
+ 'copy_raw_to_string': staticAdtMethod(rstr.copy_raw_to_unicode),
+ }
+)
MAX = 16*1024*1024
@@ -109,10 +117,8 @@
used = ll_builder.used
if used + size > ll_builder.allocated:
ll_builder.grow(ll_builder, size)
- for i in xrange(size):
- ll_builder.buf.chars[used] = charp[i]
- used += 1
- ll_builder.used = used
+ ll_builder.copy_raw_to_string(charp, ll_builder.buf, used, size)
+ ll_builder.used += size
@staticmethod
def ll_getlength(ll_builder):
diff --git a/rpython/rtyper/lltypesystem/rstr.py
b/rpython/rtyper/lltypesystem/rstr.py
--- a/rpython/rtyper/lltypesystem/rstr.py
+++ b/rpython/rtyper/lltypesystem/rstr.py
@@ -106,10 +106,23 @@
copy_string_to_raw._always_inline_ = True
copy_string_to_raw = func_with_new_name(copy_string_to_raw,
'copy_%s_to_raw' % name)
- return copy_string_to_raw, copy_string_contents
+ @jit.oopspec('stroruni.copy_raw_to_string(ptrsrc, dst, dststart, length)')
+ def copy_raw_to_string(ptrsrc, dst, dststart, length):
+ # xxx Warning: same note as above apply: don't do this at home
+ assert length >= 0
+ # from here, no GC operations can happen
+ dst = _get_raw_buf(SRC_TP, dst, dststart)
+ adr = llmemory.cast_ptr_to_adr(ptrsrc)
-copy_string_to_raw, copy_string_contents = _new_copy_contents_fun(STR, STR,
Char, 'string')
-copy_unicode_to_raw, copy_unicode_contents = _new_copy_contents_fun(UNICODE,
UNICODE,
+ srcbuf = adr + llmemory.itemoffsetof(typeOf(ptrsrc).TO, 0)
+ llmemory.raw_memcopy(srcbuf, dst, llmemory.sizeof(CHAR_TP) * length)
+ # end of "no GC" section
+ keepalive_until_here(dst)
+
+ return copy_string_to_raw, copy_raw_to_string, copy_string_contents
+
+copy_string_to_raw, copy_raw_to_string, copy_string_contents =
_new_copy_contents_fun(STR, STR, Char, 'string')
+copy_unicode_to_raw, copy_raw_to_unicode, copy_unicode_contents =
_new_copy_contents_fun(UNICODE, UNICODE,
UniChar,
'unicode')
CONST_STR_CACHE = WeakValueDictionary()
_______________________________________________
pypy-commit mailing list
pypy-commit@python.org
https://mail.python.org/mailman/listinfo/pypy-commit
