diff options
Diffstat (limited to 'Misc')
| -rw-r--r-- | Misc/NEWS | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -8,7 +8,12 @@ Standard library - random.py is now self-contained, and offers all the functionality of the now-deprecated whrandom.py. See the docs for details. random.py also supports new functions getstate() and setstate(), for saving - and restoring the internal state of all the generators. + and restoring the internal state of the generator; and jumpahead(n), + for quickly forcing the internal state to be the same as if n calls to + random() had been made. The latter is particularly useful for multi- + threaded programs, creating one instance of the random.Random() class for + each thread, then using .jumpahead() to force each instance to use a + non-overlapping segment of the full period. What's New in Python 2.1 alpha 1? @@ -107,12 +112,12 @@ Core language, builtins, and interpreter a complicated (but still thread-safe) method using fgets() is used by default. - You can force use of the fgets() method by #define'ing - USE_FGETS_IN_GETLINE at build time (it may be faster than + You can force use of the fgets() method by #define'ing + USE_FGETS_IN_GETLINE at build time (it may be faster than getc_unlocked()). - You can force fgets() not to be used by #define'ing - DONT_USE_FGETS_IN_GETLINE (this is the first thing to try if std test + You can force fgets() not to be used by #define'ing + DONT_USE_FGETS_IN_GETLINE (this is the first thing to try if std test test_bufio.py fails -- and let us know if it does!). - In addition, the fileinput module, while still slower than the other |