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PyBytesWriter_Resize() and PyBytesWriter_Grow() no longer overallocate when the first bytes/bytearray object is allocated. Only overallocate bytes objects at next PyBytesWriter_Resize() and PyBytesWriter_Grow() calls.
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See PR gh-158615 "io.BufferedReader.readline()" change. Combining the two PRs make io.BufferedReader.readline() up to 1.13x faster (but 1.05x in the corner cases of lines 10x longer than the |
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PyBytesWriter_Resize() and PyBytesWriter_Grow() no longer overallocate when the first bytes/bytearray object is allocated. Only overallocate bytes objects at next PyBytesWriter_Resize() and PyBytesWriter_Grow() calls.
PyBytesWriterimplementation #158585