{
  "cloud9": {
    "allocation_evidence": "no allocator or allocation calls in codec",
    "bytes_in": 3803125,
    "bytes_out": 3803125,
    "codec_allocations": 0,
    "codec_ns": 11364700,
    "implementation": "cloud9",
    "operations": 540000,
    "read_calls": 54001,
    "write_calls": 27000
  },
  "configuration": {
    "chunk": 65536,
    "frames": 27000,
    "go": "go1.26.5-X:nodwarf5",
    "platform": "linux/amd64",
    "repeats": 20,
    "rounds": 1000,
    "seed": 4200
  },
  "correctness": "all generated base-9P2000 frames agree byte-for-byte",
  "measurement_notes": [
    "Cloud9 codec timer excludes pipe I/O; Go timers include in-memory stream parsing and byte comparison. Do not treat these as equivalent throughput benchmarks.",
    "Go allocations use runtime.MemStats deltas on a single-process run; cloud9 codec has no allocation API.",
    "Cloud9 I/O counters are actual stdin/stdout syscalls; Go read counters are io.Reader calls, not syscalls.",
    "These are wire-conformance probes, not differential filesystem-server semantics."
  ],
  "references": [
    {
      "implementation": "9fans v0.0.7",
      "operations": 540000,
      "codec_ns": 116434888,
      "codec_allocations": 2509437,
      "allocated_bytes": 486133240,
      "read_calls": 1080000,
      "bytes": 76062500
    },
    {
      "implementation": "go9p v1.18.0",
      "operations": 540000,
      "codec_ns": 94922755,
      "codec_allocations": 3130709,
      "allocated_bytes": 289069480,
      "read_calls": 1080000,
      "bytes": 76062500
    }
  ],
  "session": {
    "bytes_read": 3156839,
    "bytes_written": 646229,
    "checks": "walk/open/write/read/stat/EOF/clunk, content oracle, fragmented requests and replies",
    "read_calls": 454124,
    "requests": 7003,
    "rounds": 1000,
    "seed": 4200,
    "server": "go9p v1.18.0 StaticFile",
    "write_calls": 217407
  }
}