refactor: extract parse_size and format_size to walrus-utils#3093
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wbbradley wants to merge 4 commits intowbbradley/profiling-encodingfrom
Open
refactor: extract parse_size and format_size to walrus-utils#3093wbbradley wants to merge 4 commits intowbbradley/profiling-encodingfrom
wbbradley wants to merge 4 commits intowbbradley/profiling-encodingfrom
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Add heap peak tracking via peakmem-alloc and RSS peak via libc::getrusage() to the profiling binary. Each iteration now reports peak_heap, peak_rss, and heap expansion ratio. Multi-iteration runs report max_peak_heap in the summary.
Add --concurrent-blobs N flag that encodes N blobs simultaneously using std::thread::scope, simulating multi-blob uploads. Reports per-blob latency, total wall time, and peak memory with per-blob expansion ratio for direct comparison with single-blob runs.
Replace rayon's into_par_iter() with bounded concurrency using OS threads for the outer blob encoding loop. This prevents peak memory from scaling linearly with the number of concurrent blobs, since each encoding already saturates the rayon thread pool internally. Uses std::thread::scope with batched OS threads when concurrency > 1, avoiding rayon pool deadlocks. Adds max_concurrent_blob_encodings config field (defaults to 1 for sequential encoding).
Move human-readable size parsing and formatting utilities from profile_encoding example into walrus_utils::size module for reuse across benchmarks and examples.
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