Test Mish with new accurate Tanh

[KalaivaniMCW]

• Test fp32 Mish with the new accurate Tanh
• Check which versions of exp, log, tanh are being used currently

[mouliraj-mcw]

The current version of mish already uses the accurate tanh, since that is the default implementation.

Version	exp (approx flag)	exp impl	log1p	tanh	Perf (ns)
Current Version	true	fast & approx	fast & approx	accurate	4357
Accurate Version	false	fast & approx	accurate	accurate	5749
More Accurate Version	false	accurate	accurate	accurate	5832

cc: @KalaivaniMCW