Author: Justin Peel <[email protected]>
Branch:
Changeset: r58351:4ffa41843837
Date: 2012-10-21 23:35 -0600
http://bitbucket.org/pypy/pypy/changeset/4ffa41843837/
Log: use memcpy one more time in array.__delslice__ for extra speediness
diff --git a/pypy/module/array/interp_array.py
b/pypy/module/array/interp_array.py
--- a/pypy/module/array/interp_array.py
+++ b/pypy/module/array/interp_array.py
@@ -491,10 +491,11 @@
rffi.cast(rffi.VOIDP, oldbuffer),
i * mytype.bytes
)
- m = i
- for k in range(j, self.len):
- self.buffer[m] = oldbuffer[k]
- m += 1
+ if j < self.len:
+ rffi.c_memcpy(
+ rffi.cast(rffi.VOIDP, rffi.ptradd(self.buffer, i)),
+ rffi.cast(rffi.VOIDP, rffi.ptradd(oldbuffer, j)),
+ (self.len - j) * mytype.bytes)
self.len -= j - i
self.allocated = self.len
if oldbuffer:
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