[hvenev]

In `libnvidia-nvvm.so` the string `cutlass` appears right after `Memory Dependence Analysis` and `memdep`. Perhaps it acts as an optimization attribute of some sort, where the compiler is allowed to make assumptions about the kernel's behavior that are not valid in general?

[jdright]

yes, that is a very usual way (known practices) of vendors applying specific optimizations for known things.

It is also part of the benchmarks game they play against each other.

[MBCook]

The link is long dead and the Wayback machine doesn’t have a copy.

But in 2001 ATI was caught applying optimizations to Quake 3 when someone realized if you renamed the executable from “quake” to “quack” the score dropped a ton. It was a big scandal.

I know that’s common now but that wasn’t a thing that was done at the time.

[MichaelZuo]

It’s really strange for established companies to waste their credibility on games like that…

[high_na_euv]

Thats very likely imo