맥 아홉 대, 한 집: 이 퀘스트의 실험실

#!/usr/bin/env python3
"""Print a fleet table from ssh aliases. Aliases resolve in ~/.ssh/config;
this script never sees a hostname, and neither should a quest."""
import subprocess
import sys

ALIASES = sys.argv[1:] or ["office", "server", "worker", "music", "macbook",
                           "pro2024", "pro2023", "air", "mini"]

# One line per field. The cluster line reads hw.perflevelN.name for every level that
# exists, because the names move with the generation (M3: Performance + Efficiency;
# M5 Max: Super + Performance) -- a fixed P/E pair would mislabel the newest Mac.
REMOTE = (
    "sysctl -n machdep.cpu.brand_string; "
    "c=''; for n in 0 1 2 3; do name=$(sysctl -n hw.perflevel$n.name 2>/dev/null); "
    "[ -z \"$name\" ] && break; c=\"$c${c:+ + }$(sysctl -n hw.perflevel$n.physicalcpu) $name\"; done; echo \"$c\"; "
    "sysctl -n hw.memsize hw.pagesize; sw_vers -productVersion; "
    "system_profiler SPDisplaysDataType | awk -F': ' '/Total Number of Cores/ {print $2; exit}'"
)

print(f"{'alias':8} {'chip':10} {'CPU clusters':28} {'GPU':>4} {'GB':>4} {'page':>6}  macOS")
for alias in ALIASES:
    try:
        out = subprocess.run(["ssh", "-o", "BatchMode=yes", "-o", "ConnectTimeout=5", alias, REMOTE],
                             capture_output=True, text=True, timeout=30).stdout.split("\n")
        chip, clusters, mem, page, macos, gpu = (out + ["?"] * 6)[:6]
        print(f"{alias:8} {chip.replace('Apple ', ''):10} {clusters:28} {gpu:>4} "
              f"{int(mem) // 2**30 if mem.isdigit() else '?':>4} {page:>6}  {macos}")
    except (subprocess.TimeoutExpired, OSError) as exc:
        print(f"{alias:8} unreachable ({exc.__class__.__name__})")

rdma_ctl status
# disabled        <- every Mac in this fleet, 2026-09-15
# The tool ships on every Apple silicon Mac, Thunderbolt 4 ones included.
# Its presence says nothing about eligibility; see the big-models track.