Shrijanagain/SPEED2-V0-0B7-CPT-SFT-fp8cpt

Continued pretraining of Shrijanagain/SPEED2-V0-0B7-CPT-SFT-fp8cpt on Shrijanagain/Speed-5B-mX-parquet.

Precision policy

  • bf16 / fp16: embed.weight (tied with lm_head), router, router_bias, all RMSNorm weights
  • fp8 E4M3 GEMMs (sm89+ only): attention q/k/v/o, expert gate/up/down, shared experts
  • Optimizer moments kept in fp32
  • mode: full

Run

  • step: 15000
  • tokens seen: 491,520,000
  • precision: float16
  • shards: 35/rank
  • gpus: 1 (DDP)
  • seq_len: 2048 | micro batch: 1 | grad accum: 16
  • lr: 5e-05 | warmup: 100 | weight decay: 0.1

Load with trust_remote_code=True. Weights are saved back to fp16, so the checkpoint runs on any device; fp8 is a training-time optimisation.

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