diff --git a/scripts/compare/run_three_rp_10run_benchmark.py b/scripts/compare/run_three_rp_10run_benchmark.py
index b9964fa..c2b24fc 100755
--- a/scripts/compare/run_three_rp_10run_benchmark.py
+++ b/scripts/compare/run_three_rp_10run_benchmark.py
@@ -425,15 +425,19 @@ def prepare_rpki_client_official_tree(tag: str) -> None:
         raise SystemExit(f"rpki-client worktree dirty; refusing checkout:\n{git_status(RPKI_CLIENT_ROOT)}")
     run_local(["git", "checkout", tag], cwd=RPKI_CLIENT_ROOT)
     update_branch = f"rpki-client-{tag}"
-    update_result = run_local(["./update.sh", update_branch], cwd=RPKI_CLIENT_ROOT, check=False)
-    if update_result.returncode != 0:
-        print(
-            f"warning: ./update.sh {update_branch} failed; falling back to local openbsd checkout",
-            file=sys.stderr,
-        )
-        print(update_result.stdout, file=sys.stderr)
-        print(update_result.stderr, file=sys.stderr)
+    local_ref = run_local(["git", "rev-parse", "--verify", update_branch], cwd=RPKI_CLIENT_ROOT / "openbsd", check=False)
+    if local_ref.returncode == 0:
         restore_rpki_client_sources_from_local_openbsd(update_branch)
+    else:
+        update_result = run_local(["./update.sh", update_branch], cwd=RPKI_CLIENT_ROOT, check=False)
+        if update_result.returncode != 0:
+            print(
+                f"warning: ./update.sh {update_branch} failed; falling back to local openbsd checkout",
+                file=sys.stderr,
+            )
+            print(update_result.stdout, file=sys.stderr)
+            print(update_result.stderr, file=sys.stderr)
+            restore_rpki_client_sources_from_local_openbsd(update_branch)
     configure_env = rpki_client_configure_env()
     prefix = DEV_ROOT / ".cache" / "rpki-client-9.8-cir"
     run_local(
@@ -449,7 +453,9 @@ def prepare_rpki_client_official_tree(tag: str) -> None:
     run_local(["make", "clean"], cwd=RPKI_CLIENT_ROOT, check=False, capture=False)
     run_local(["make", f"-j{max(2, min(os.cpu_count() or 2, 8))}"], cwd=RPKI_CLIENT_ROOT, env=configure_env, capture=False)
     binary = RPKI_CLIENT_ROOT / "src" / "rpki-client"
-    version = run_local([str(binary), "-V"]).stdout.strip()
+    version_result = run_local([str(binary), "-V"])
+    version_lines = [line.strip() for text in (version_result.stdout, version_result.stderr) for line in text.splitlines() if line.strip()]
+    version = version_lines[-1] if version_lines else ""
     if version != f"rpki-client-portable {tag}":
         raise SystemExit(f"unexpected rpki-client version after build: {version}")
     source_text = (RPKI_CLIENT_ROOT / "src" / "http.c").read_text(encoding="utf-8", errors="replace")
@@ -725,7 +731,10 @@ def remote_shell_for_rp(rp: str, run_index: int, mode: str, rirs: list[str], rem
         return timed_script(run_dir, reset, argv)
     if rp == "rpki-client":
         skiplist = f"{state_dir}/skiplist"
-        argv = [f"{remote_root}/bin/rpki-client", "-j", "-c", "-S", skiplist, "-d", f"{state_dir}/cache"]
+        argv = [f"{remote_root}/bin/rpki-client"]
+        if args.rpki_client_parser_workers:
+            argv.extend(["-p", str(args.rpki_client_parser_workers)])
+        argv.extend(["-j", "-c", "-S", skiplist, "-d", f"{state_dir}/cache"])
         for rir in rirs:
             argv.extend(["-t", f"{fixture_dir}/tal/{RIR_TAL[rir]}"])
         argv.append(run_dir)
@@ -1033,6 +1042,7 @@ def process_outputs(args: argparse.Namespace, binary_meta: dict[str, Any], rirs:
         "schedule": args.schedule,
         "oursRsyncScope": args.ours_rsync_scope,
         "routinatorEnableAspa": args.routinator_enable_aspa,
+        "rpkiClientParserWorkers": args.rpki_client_parser_workers,
         "remoteRoot": args.remote_root,
         "sshTarget": args.ssh_target,
         "rpResults": rp_results,
@@ -1501,6 +1511,10 @@ def write_html_report(path: Path, report: dict[str, Any]) -> None:
         f"--schedule {report.get('schedule', 'round-robin')} --ours-rsync-scope {report.get('oursRsyncScope', '')} "
         "--routinator-enable-aspa"
     )
+    rpki_client_parser_workers = int(report.get("rpkiClientParserWorkers", 0) or 0)
+    rpki_client_p_arg = f" -p {rpki_client_parser_workers}" if rpki_client_parser_workers else ""
+    rpki_client_p_cli = f" --rpki-client-parser-workers {rpki_client_parser_workers}" if rpki_client_parser_workers else ""
+    command += rpki_client_p_cli
     html_text = f"""<!doctype html>
 <html lang="zh-CN">
 <head>
@@ -1523,7 +1537,7 @@ footer {{ color:#64748b; font-size:13px; margin-top:28px; }} @media (max-width:9
 <body>
 <header>
   <h1>三 RP Round-Robin 性能与产物对比报告</h1>
-  <p>all5 live 十轮对比，调度顺序为 <code>rp1 run1 → rp2 run1 → rp3 run1 → rp1 run2 ...</code>；ours RP 使用 <code>{h(report.get('oursRsyncScope', ''))}</code>，Routinator 启用 <code>--enable-aspa</code>，rpki-client 使用 official <code>9.8</code> 正确构建。</p>
+  <p>all5 live 十轮对比，调度顺序为 <code>rp1 run1 → rp2 run1 → rp3 run1 → rp1 run2 ...</code>；ours RP 使用 <code>{h(report.get('oursRsyncScope', ''))}</code>，Routinator 启用 <code>--enable-aspa</code>，rpki-client 使用 official <code>9.8</code>{h(rpki_client_p_arg)} 正确构建。</p>
 </header>
 <main>
 <section>
@@ -1543,7 +1557,7 @@ footer {{ color:#64748b; font-size:13px; margin-top:28px; }} @media (max-width:9
     <li>RIR：<code>{h(','.join(report['rirs']))}</code></li><li>调度：<code>{h(report.get('schedule', ''))}</code></li>
   </ul></div><div><h3>关键变量</h3><ul>
     <li>ours RP：<code>--rsync-scope {h(report.get('oursRsyncScope', ''))}</code></li>
-    <li>Routinator：<code>--enable-aspa</code></li><li>rpki-client：official <code>9.8</code>，本地 fixture TAL/TA</li>
+    <li>Routinator：<code>--enable-aspa</code></li><li>rpki-client：official <code>9.8</code>{h(rpki_client_p_arg)}，本地 fixture TAL/TA</li>
     <li>首轮 snapshot，后续 delta</li>
   </ul></div></div>
   <pre>{h(command)}</pre>
@@ -1572,6 +1586,7 @@ def write_xml(path: Path, report: dict[str, Any]) -> None:
         "schedule": str(report.get("schedule", "")),
         "oursRsyncScope": str(report.get("oursRsyncScope", "")),
         "routinatorEnableAspa": str(report.get("routinatorEnableAspa", "")).lower(),
+        "rpkiClientParserWorkers": str(report.get("rpkiClientParserWorkers", "")),
     })
     env = ET.SubElement(root, "environment")
     ET.SubElement(env, "artifactRoot").text = str(path.parent)
@@ -1641,8 +1656,11 @@ def main() -> None:
     parser.add_argument("--schedule", default="round-robin", choices=["round-robin", "rp-block"], help="Execution schedule: run-index round-robin or one RP block at a time.")
     parser.add_argument("--ours-rsync-scope", default="publication-point", choices=sorted(RPKI_SCOPE_POLICIES))
     parser.add_argument("--routinator-enable-aspa", action="store_true", help="Pass --enable-aspa to Routinator so jsonext includes ASPA/VAP data.")
+    parser.add_argument("--rpki-client-parser-workers", type=int, default=0, help="Pass -p N to rpki-client. 0 keeps rpki-client default.")
     parser.add_argument("--dry-run", action="store_true")
     args = parser.parse_args()
+    if args.rpki_client_parser_workers < 0:
+        raise SystemExit("--rpki-client-parser-workers must be >= 0")
     args.run_root = args.run_root.resolve()
     args.run_root.mkdir(parents=True, exist_ok=True)
     args.active_rps = active_rps(args)
@@ -1659,6 +1677,7 @@ def main() -> None:
         "schedule": args.schedule,
         "oursRsyncScope": args.ours_rsync_scope,
         "routinatorEnableAspa": args.routinator_enable_aspa,
+        "rpkiClientParserWorkers": args.rpki_client_parser_workers,
     }
     write_json(args.run_root / "dry-run-plan.json", plan)
     if args.dry_run: