patch 8.1.1517: when a popup changes all windows are redrawn commit https://github.com/vim/vim/commit/4c063a0dab57be7bd7aad4b8434feff3db5f1057 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jun 10 21:24:12 2019 +0200 patch 8.1.1517: when a popup changes all windows are redrawn Problem: When a popup changes all windows are redrawn. Solution: Only update the lines that were affected. Add a file for profiling popup windows efficiency.

#!/usr/bin/python
#
# Program that writes a number to stdout repeatedly
#
# This requires Python 2.6 or later.

from __future__ import print_function
import sys
import time

if __name__ == "__main__":

    done = 0
    while done < 10:
        done = done + 1
        print(done)
        sys.stdout.flush()
        time.sleep(0.05)  # sleep 50 msec