3 ms·
That LUT would fit into the M1s L1 cache, so in a microbenchmark you'd expect it to be pretty fast. The question is how does it perform when there's surroundin
by jsheard 3y ago
That LUT would fit into the M1s L1 cache, so in a microbenchmark you'd expect it to be pretty fast.
The question is how does it perform when there's surrounding code competing for cache space?
- anonymoushn 3y agoWell, you'll also only hit a tiny part of the LUT, but it still takes a lot more instructions because there's no gather in NEON