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#!/usr/bin/env python3
from __future__ import annotations
import argparse
import ctypes
import json
import shutil
import subprocess
import tempfile
import time
from pathlib import Path
from typing import Any
class ProcessMemoryCounters(ctypes.Structure):
_fields_ = [
("cb", ctypes.c_ulong),
("PageFaultCount", ctypes.c_ulong),
("PeakWorkingSetSize", ctypes.c_size_t),
("WorkingSetSize", ctypes.c_size_t),
("QuotaPeakPagedPoolUsage", ctypes.c_size_t),
("QuotaPagedPoolUsage", ctypes.c_size_t),
("QuotaPeakNonPagedPoolUsage", ctypes.c_size_t),
("QuotaNonPagedPoolUsage", ctypes.c_size_t),
("PagefileUsage", ctypes.c_size_t),
("PeakPagefileUsage", ctypes.c_size_t),
]
class Server:
def __init__(self, exe: Path, data_dir: Path) -> None:
self.process = subprocess.Popen(
[str(exe), "--data-dir", str(data_dir)],
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
encoding="utf-8",
bufsize=1,
)
self.request_id = 1
self.max_response_bytes = 0
self.request(
"initialize",
{
"protocolVersion": "2024-11-05",
"capabilities": {},
"clientInfo": {"name": "p2-benchmark", "version": "1"},
},
)
self.notify("notifications/initialized", {})
def request(self, method: str, params: dict[str, Any]) -> dict[str, Any]:
assert self.process.stdin and self.process.stdout
request_id = self.request_id
self.request_id += 1
self.process.stdin.write(
json.dumps(
{"jsonrpc": "2.0", "id": request_id, "method": method, "params": params},
separators=(",", ":"),
)
+ "\n"
)
self.process.stdin.flush()
line = self.process.stdout.readline()
self.max_response_bytes = max(self.max_response_bytes, len(line.encode("utf-8")))
response = json.loads(line)
if "error" in response:
raise RuntimeError(response)
return response["result"]
def call(self, name: str, arguments: dict[str, Any]) -> dict[str, Any]:
result = self.request("tools/call", {"name": name, "arguments": arguments})
payload = json.loads(result["content"][0]["text"])
if result.get("isError"):
raise RuntimeError(payload)
return payload
def notify(self, method: str, params: dict[str, Any]) -> None:
assert self.process.stdin
self.process.stdin.write(
json.dumps({"jsonrpc": "2.0", "method": method, "params": params}) + "\n"
)
self.process.stdin.flush()
def peak_working_set(self) -> int:
counters = ProcessMemoryCounters()
counters.cb = ctypes.sizeof(counters)
handle = ctypes.windll.kernel32.OpenProcess(0x1000 | 0x0400, False, self.process.pid)
try:
if handle and ctypes.windll.psapi.GetProcessMemoryInfo(
handle, ctypes.byref(counters), counters.cb
):
return int(counters.PeakWorkingSetSize)
return 0
finally:
if handle:
ctypes.windll.kernel32.CloseHandle(handle)
def close(self) -> None:
if self.process.stdin:
self.process.stdin.close()
code = self.process.wait(timeout=30)
if code != 0:
raise RuntimeError(self.process.stderr.read() if self.process.stderr else code)
def read_all(server: Server, session_id: str) -> tuple[int, int]:
cursor = None
count = pages = 0
while True:
arguments: dict[str, Any] = {"session_id": session_id, "limit": 1000}
if cursor:
arguments["cursor"] = cursor
payload = server.call("read_messages", arguments)
count += len(payload["history"])
pages += 1
cursor = payload.get("nextCursor")
if not cursor:
return count, pages
def main() -> int:
parser = argparse.ArgumentParser()
parser.add_argument("--server", type=Path, required=True)
parser.add_argument("--messages", type=int, choices=(10000, 50000), required=True)
parser.add_argument("--sessions", type=int, choices=(1, 100), required=True)
parser.add_argument("--output", type=Path, required=True)
args = parser.parse_args()
data_dir = Path(tempfile.mkdtemp(prefix="tiny-convmem-p2-"))
try:
server = Server(args.server.resolve(), data_dir)
write_started = time.perf_counter()
for index in range(args.messages):
server.call(
"write_message",
{
"session_id": f"session-{index % args.sessions}",
"role": "user",
"content": f"history item {index}",
},
)
write_ms = (time.perf_counter() - write_started) * 1000
server.close()
restart_started = time.perf_counter()
server = Server(args.server.resolve(), data_dir)
restart_ms = (time.perf_counter() - restart_started) * 1000
read_started = time.perf_counter()
total = pages = 0
for session in range(args.sessions):
session_count, session_pages = read_all(server, f"session-{session}")
total += session_count
pages += session_pages
read_ms = (time.perf_counter() - read_started) * 1000
rebuild_started = time.perf_counter()
server.call("rebuild_index", {})
rebuild_ms = (time.perf_counter() - rebuild_started) * 1000
result = {
"messages": args.messages,
"sessions": args.sessions,
"messages_read": total,
"pages": pages,
"write_ms": write_ms,
"restart_ms": restart_ms,
"full_read_ms": read_ms,
"rebuild_ms": rebuild_ms,
"peak_working_set_bytes": server.peak_working_set(),
"max_response_bytes": server.max_response_bytes,
}
server.close()
args.output.write_text(json.dumps(result, indent=2), encoding="utf-8")
print(json.dumps(result, indent=2))
return 0 if total == args.messages and server.max_response_bytes <= 8 * 1024 * 1024 else 1
finally:
shutil.rmtree(data_dir, ignore_errors=True)
if __name__ == "__main__":
raise SystemExit(main())
|
