// RUN โ€” FITS

Can the Apple M4 Max 64GB run UDSMProt?

Yes โ€” here's how fast and up to what context, with real measured numbers.

UDSMProt on the Apple M4 Max 64GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 855k 6558.8-7909.2 t/s ~120.1-144.9 (slow)
Q8 yes 856k 13117.7-15818.4 t/s ~240.3-289.7 (slow)
Q4 yes 856k 23424.4-28247.1 t/s ~429-517.3 (slow)

Estimate (memory-bound). Beyond "max context" the KV cache spills to SSD swap and speed drops to the "beyond" figure.

FAQ

Can the Apple M4 Max 64GB run UDSMProt?โ–ถ

Yes. At Q4 it generates ~23424.4-28247.1 tok/s and fits up to 856k context; beyond that it spills to SSD swap and slows to ~429-517.3 tok/s.

How much context fits?โ–ถ

At Q4, up to about 856k tokens stay in fast memory; longer context spills to SSD swap and throughput collapses.