diff options
-rw-r--r-- | Misc/NEWS | 2 | ||||
-rw-r--r-- | Python/marshal.c | 2 |
2 files changed, 3 insertions, 1 deletions
@@ -50,6 +50,8 @@ Core and Builtins Extension Modules ----------------- +- Issue #3116: marshal.dumps() had quadratic behavior for strings > 32Mb. + - Issue #2138: Add factorial() the math module. - The heapq module does comparisons using LT instead of LE. This diff --git a/Python/marshal.c b/Python/marshal.c index 6db46e4f63..140192f33b 100644 --- a/Python/marshal.c +++ b/Python/marshal.c @@ -67,7 +67,7 @@ w_more(int c, WFILE *p) size = PyString_Size(p->str); newsize = size + size + 1024; if (newsize > 32*1024*1024) { - newsize = size + 1024*1024; + newsize = size + (size >> 3); /* 12.5% overallocation */ } if (_PyString_Resize(&p->str, newsize) != 0) { p->ptr = p->end = NULL; |