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ecbc3d2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | """CLI: convert/quantize an Inkling checkpoint to MLX.
Examples:
python -m inkling_mlx.convert_cli --src /path/Inkling-src --dst out-bf16
python -m inkling_mlx.convert_cli --src /path/Inkling-src --dst out-4bit --bits 4
"""
from __future__ import annotations
import argparse
import time
import mlx.core as mx
from .convert import convert_model
def main():
ap = argparse.ArgumentParser()
ap.add_argument("--src", required=True, help="Inkling bf16 source dir (HF layout)")
ap.add_argument("--dst", required=True, help="output dir")
ap.add_argument("--bits", type=int, default=None, choices=[2, 3, 4, 5, 6, 8],
help="quantization bits; omit for bf16 passthrough")
ap.add_argument("--group-size", type=int, default=64)
ap.add_argument("--dtype", default="bfloat16", choices=["bfloat16", "float16"])
ap.add_argument("--device", default="gpu", choices=["gpu", "cpu"],
help="cpu avoids the Metal GPU-timeout watchdog on huge tensors (slower, robust)")
ap.add_argument("--recipe", default="uniform", choices=["uniform", "experts_only"],
help="experts_only keeps attention + embed/unembed at bf16 (coherent 4-bit-sized build)")
args = ap.parse_args()
if args.device == "cpu":
mx.set_default_device(mx.cpu)
print("[convert] using CPU device (avoids Metal command-buffer timeout)")
dtype = {"bfloat16": mx.bfloat16, "float16": mx.float16}[args.dtype]
t0 = time.time()
print(f"[convert] {args.src} -> {args.dst} bits={args.bits} group_size={args.group_size} dtype={args.dtype} recipe={args.recipe}")
convert_model(args.src, args.dst, bits=args.bits, group_size=args.group_size, out_dtype=dtype, recipe=args.recipe)
print(f"[convert] done in {time.time()-t0:.0f}s -> {args.dst}")
if __name__ == "__main__":
main()
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