{ "cloud9": { "allocation_evidence": "no allocator or allocation calls in codec", "bytes_in": 369117, "bytes_out": 369117, "codec_allocations": 0, "codec_ns": 1327036, "implementation": "cloud9", "operations": 54000, "read_calls": 369118, "write_calls": 369117 }, "configuration": { "chunk": 1, "frames": 2700, "go": "go1.26.5-X:nodwarf5", "platform": "linux/amd64", "repeats": 20, "rounds": 100, "seed": 4201 }, "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": 54000, "codec_ns": 48042988, "codec_allocations": 250519, "allocated_bytes": 48088256, "read_calls": 7382340, "bytes": 7382340 }, { "implementation": "go9p v1.18.0", "operations": 54000, "codec_ns": 43224680, "codec_allocations": 312801, "allocated_bytes": 28165920, "read_calls": 7382340, "bytes": 7382340 } ], "session": { "bytes_read": 282585, "bytes_written": 63853, "checks": "walk/open/write/read/stat/EOF/clunk, content oracle, fragmented requests and replies", "read_calls": 40697, "requests": 703, "rounds": 100, "seed": 4201, "server": "go9p v1.18.0 StaticFile", "write_calls": 21488 } }