표 하나에 담은 함대

#!/usr/bin/env python3
"""Per-Mac memory columns. Spec GB/s from Apple; achieved from stream.py where
measured (None elsewhere — never guessed); working set read live over ssh."""
import subprocess

SPEC = {"office": 819, "server": 819, "worker": 800, "music": 800, "macbook": 614,
        "pro2024": 546, "pro2023": 400, "mini": 273, "air": 100}
ACHIEVED = {"office": 638, "music": 740, "pro2023": 391, "air": 97}     # stream.py sum, 2026-09-15
BYTES_PER_TOKEN = {"9B": 4.47e9, "27B": 14.42e9}

READ = ("for p in ~/miniconda3/envs/silicon-lab/bin/python ~/miniconda3/envs/mlx/bin/python ~/miniconda3/envs/cwk-asr/bin/python ~/miniconda3/bin/python /opt/homebrew/bin/python3; do "
        "[ -x $p ] && $p -c 'import mlx.core as mx; i=(mx.device_info() if hasattr(mx,\"device_info\") else mx.metal.device_info()); "
        "print(i[\"memory_size\"], i[\"max_recommended_working_set_size\"])' 2>/dev/null && break; done")

print(f"{'alias':8} {'GB':>4} {'spec':>5} {'achieved':>9} {'GB/s/GB':>8} {'working set GiB':>16} {'9B ceiling':>11} {'27B ceiling':>12}")
for alias, spec in SPEC.items():
    out = subprocess.run(["ssh", "-o", "ConnectTimeout=8", alias, READ], capture_output=True, text=True).stdout.split()
    phys, rec = (int(out[0]), int(out[1])) if len(out) == 2 else (None, None)
    bw = ACHIEVED.get(alias)
    basis = bw or spec
    tag = "" if bw else " (spec)"
    ws = f"{rec/2**30:6.1f} ({rec/phys:.0%})" if rec else "     n/a"
    print(f"{alias:8} {phys//2**30 if phys else '?':>4} {spec:5d} {str(bw or '—'):>9} {spec/(phys/2**30) if phys else 0:8.1f} {ws:>16} "
          f"{basis*1e9/BYTES_PER_TOKEN['9B']:8.0f}{tag:>7} {basis*1e9/BYTES_PER_TOKEN['27B']:8.0f}{tag}")