Steven Johnson

e.g., from buildbot logs: ``` 7/30 Test #512: performance_fast_pow ....................***Failed Required regular expression not found. Regex=[Success! ] 1.55 sec powf: 31.403805 ns per pixel Halide's pow: 3.761951 ns per pixel...

> I like output files to go in the current working directory by default The problem is that the "current working directory" isn't necessarily what you think it is. In...

> I like output files to go in the current working directory by default It also occurs to me that tests like this are run as part of a test...

(The same is likely true of HelloIOS)

Another possibility that I have considered is to just quietly add additional entry points that always accept a ucon, with the suffix `_u` on the name. It would be simple...

Update: it appears that only tests that use `.async()` are failing here; tests that use `.parallel()` are not.

"Assigning" to @zvookin to see if he has initial thoughts

Lots of broken things

Adding @pranavb-ca for HVX, @vksnk for C backend

> I think the llvm 16 breakages are unrelated though Don't think so -- `main` tests cleanly for me on local x86-64-linux with a freshly built LLVM16 EDIT: or the...