d0c277d5b65a6dda906257713540efad78d84005
Establishes the `obisys` crate using Rust 2024 and the `libc` dependency. Introduces a lightweight profiler that captures wall-clock time and `getrusage` system metrics per pipeline stage. Automatically computes parallelism and efficiency ratios, detects bottlenecks such as memory pressure and disk I/O, and prints a formatted diagnostic summary to stderr.
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