Projects / OpenQuant / Experiments / Bracket e8q4 alpha minimum at 0.10 and 0.20

Bracket e8q4 alpha minimum at 0.10 and 0.20

proposed medium priority TODO-004
Overview Experiments 17 Forks 1 Resources 17 Benchmarks 1 Broadcasts Related
Description

The 4-bit E8 winner is α=0.15 by reusing the scalar 4-bit minimum, but E8's lattice gain may shift the parabola — bracket at 0.10 and 0.20 to confirm

Reference

EXP-0014

Suggested Parameters
quant gptq_turbo_e8_q4
group_size 256
smooth_alpha_grid [0.1, 0.2]
calib_samples 64
calib_seq_len 4096
eval_seq_len 2048
Provenance
Proposed by @buun via buun-openquant claude-opus-4-6