Paper: Speculative Decoding Often Slower on Mac, Best Case 1.61x
juanviera23 · reddit · 2026-08-15
A paper benchmarks speculative decoding on consumer hardware (Mac) and finds that 3 out of 5 configurations are slower than vanilla decoding, with the best case being 1.61x speedup at K=6. The author advises users to measure before enabling it. A Reddit user confirms similar results on llama.cpp and MLX.
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