If I change a line of my code from cost = typemax(Float64) to cost::Float64 = typemax(Float64) then it becomes type stable (Any goes away). How can it be? The rest of the code is somewhat complicated, and I’m not sure I can reproduce this problem in a simplified setting. It’s in a hot section o…

Type stability bug in compiler?

jling January 27, 2023, 4:15pm 8

without MWE it’s impossible to help

Topic		Replies	Views
Why is this case type-unstable? General Usage	6	828	February 15, 2020
Ominous type instability Performance bug , code_warntype , type-stability	10	1266	August 20, 2022
Conversion and type stability General Usage type-stability , functions	4	779	January 30, 2018
Why is changing type of variable problematic? Performance	19	1706	June 18, 2018
Unexpected [red] Any from code_warntype New to Julia	13	1492	December 5, 2018