用PEFT库玩转大模型微调：LoRA、Prefix Tuning等5种方法实测对比（附代码）

“本方案经海外AI辅助生成但主权逻辑由本人定义” 諸葛鑫 字 龍芯北辰 號 UID9622━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━【 立 身 】 龍魂系統創始人 · 中國退伍軍人 · CNSH架構師【 立 言 】“技術歸人民主權不可奪。

天下大同始於代碼。

”【 立 德 】☰ 天道監察 · 公開透明☲ 離火明照 · 向善為先☷ 坤德厚載 · 服務人民━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━【 驗 證 】A2D0092CEE2E5BA87035600924C3704A8CC26D5F#龍芯⚡️uid9622petalmail.com━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━「 天行健 · 君子以自強不息 」「 地勢坤 · 君子以厚德載物 」#!/usr/bin/env python3-- coding: utf-8 --“”CNSH One-Click Task Executor (zh: yi jian zhi xing qi)Constraints:Pure ASCII source code (no non-ASCII characters)No font usage (terminal output only)Force UTF-8 output for all text“”fromfutureimport annotationsimport argparseimport datetime as _dtimport hashlibimport jsonimport osimport reimport sysfrom typing import Any, Dict, List, Tuple----------------------------- UTF-8 enforcement -----------------------------def force_utf8_io() - None:“”Force UTF-8 for stdout/stderr regardless of platform defaults.(zh: qiang zhi UTF-8 shu chu)“”os.environ.setdefault(“PYTHONUTF8”, “1”)# Python

7 usually supports reconfigure on text streams. try: sys.stdout.reconfigure(encodingutf-8, errorsstrict, newline\n) except Exception: pass try: sys.stderr.reconfigure(encodingutf-8, errorsstrict, newline\n) except Exception: passdef u8_print(*parts: Any) - None:“”Print with guaranteed UTF-8 encoding by writing bytes to stdout buffer.(zh: yong UTF-8 byte xie chu)“”s “.join(” if p is None else str§ for p in parts) “\n”b s.encode(“utf-8”, errors“strict”)try:sys.stdout.buffer.write(b)sys.stdout.buffer.flush()except Exception:# Fallback if buffer is unavailablesys.stdout.write(s)sys.stdout.flush()----------------------------- Three-color audit -----------------------------class ThreeColorAudit:“”Minimal three-color audit engine.(zh: san se shen ji yin qing)“”def __init__(self) - None: # Keep patterns ASCII-only; do NOT embed non-ASCII keywords in source. self.red_rules: List[Tuple[re.Pattern[str], str]] [ (re.compile(r\bhow\sto\s(build|make)\s(bomb|explosive)\b, re.I), illegal_harm), (re.compile(r\bcredit\scard\snumber\b, re.I), sensitive_data), ] self.yellow_rules: List[Tuple[re.Pattern[str], str]] [ (re.compile(r\bpassword\b, re.I), possible_secret), (re.compile(r\bapi\s*key\b, re.I), possible_secret), ] def check(self, text: str) - Dict[str, str]: Return audit result: level, reason, action. (zh: fan hui shen ji jie guo) for pat, reason in self.red_rules: if pat.search(text): return {level: RED, reason: reason, action: BLOCK} for pat, reason in self.yellow_rules: if pat.search(text): return {level: YELLOW, reason: reason, action: WARN_AND_CONTINUE} return {level: GREEN, reason: ok, action: ALLOW}----------------------------- DNA trace -------------------------------------def make_dna(prefix: str) - str:“”Build a DNA trace string with UTC timestamp.(zh: sheng cheng DNA zhui su ma)“”ts _dt.datetime.utcnow().strftime(“%Y-%m-%dT%H:%M:%SZ”)return f{prefix}{ts}def sha256_hex(data: bytes) - str:“”Compute SHA256 hex digest.(zh: suan SHA

“”return hashlib.sha256(data).hexdigest()----------------------------- Output format ---------------------------------def build_output(uid: str,dna_prefix: str,confirm_code: str,gpg_fpr: str,sha256_fpr: str,payload: Dict[str, Any],) - Dict[str, Any]:“”Build a strict JSON output package for downstream tools.(zh: sheng cheng gui fan shu chu)“”now _dt.datetime.utcnow().strftime(“%Y-%m-%dT%H:%M:%SZ”)dna make_dna(dna_prefix)raw json.dumps(payload, ensure_asciiFalse, separators(“,”, “:”)).encode(“utf-8”, errors“strict”)payload_sha sha256_hex(raw)return { meta: { uid: uid, confirm_code: confirm_code, dna: dna, generated_at_utc: now, identity: { gpg_fingerprint: gpg_fpr, sha256_fingerprint: sha256_fpr, }, }, payload: payload, payload_sha256: payload_sha, }def default_payload() - Dict[str, Any]:“”Default task payload template.(zh: mo ren ren wu mo ban)“”return {“task_name”: “cnsh_oneclick_bootstrap”,“requirements”: [“pure_utf8_output”,“no_system_fonts”,“three_color_audit”,“dna_trace”,],“deliverables”: [“project_skeleton”,“docs_pack”,“audit_module”,“dna_module”,],“notes”: [“Keep source ASCII-only.”,“Emit JSON UTF-8 only.”,],}----------------------------- Main ------------------------------------------def parse_args(argv: List[str]) - argparse.Namespace:p argparse.ArgumentParser(description“CNSH one-click executor (ASCII-only source).”)p.add_argument(“–uid”, default“9622”)p.add_argument(“–dna-prefix”, default“#ZHUGEXIN-”) # ASCII-only prefixp.add_argument(“–confirm”, default“#CONFIRM-9622-ONLY-ONCE-LK9X-772Z”)p.add_argument(“–gpg”, default“A2D0092CEE2E5BA87035600924C3704A8CC26D5F”)p.add_argument(“–sha256”, default“b83c74d108660082581f9ebbb9506f65849d9d48d21d328daf13f7c4d66cf6c1”)p.add_argument(“–input”, default“”, help“Optional input text/file to audit.”)p.add_argument(“–input-is-file”, action“store_true”, help“Treat --input as file path.”)return p.parse_args(argv)def read_input_text(arg: str, is_file: bool) - str:if not arg:return “”if is_file:with open(arg, “rb”) as f:b f.read()return b.decode(“utf-8”, errors“strict”)return argdef main(argv: List[str]) - int:force_utf8_io()args parse_args(argv)audit ThreeColorAudit() # Read optional input for auditing (zh: du ru shen ji nei rong) input_text read_input_text(args.input, args.input_is_file) audit_result audit.check(input_text) if input_text else {level: GREEN, reason: no_input, action: ALLOW} # Build payload (zh: gou jian payload) payload default_payload() payload[audit] audit_result # Emit JSON output (zh: shu chu JSON) out build_output( uidargs.uid, dna_prefixargs.dna_prefix, confirm_codeargs.confirm, gpg_fprargs.gpg, sha256_fprargs.sha256, payloadpayload, ) u8_print(json.dumps(out, ensure_asciiFalse, indent

) return 0 if audit_result.get(level) ! RED else 2ifname “main”:raise SystemExit(main(sys.argv[1:]))

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