Message 285124 - Python tracker

> no_small_stack-2.patch decreases it only by 6% (with possible performance loss).

Yeah, if we want to come back to Python 3.4 efficiency, we need to find the other functions which now uses more stack memory ;-) The discussed "small stack" buffers are only responsible of 96 bytes, not a big deal compared to the total of 4080 bytes.