[WIP] [part-1] Add benchmark report schema v0.2.1 for multimodal payload statistics#1430
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This was referenced May 29, 2026
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Additive minor revision of the v0.2 benchmark report schema. Introduces optional per-modality (image/video/audio) payload statistics on the request aggregates and new unit categories (pixels, ratio, bytes, media throughput). - base.py: add Units.PIXELS/RATIO/BYTES and images/videos/audios per-second rate units; add UNITS_RATIO and UNITS_MEDIA_THROUGHPUT lists. - schema_v0_2_1.py: MediaPayloadStats hierarchy (image/video/audio), extended AggregateRequests (request_size, multimodal) and AggregateThroughput (image/video/audio_rate), and BenchmarkReportV021. - core.py / __init__.py: register and dispatch schema version 0.2.1. - regenerated br_v0_2_1 example and JSON schema artifacts. All new fields are Optional, so any v0.2 report remains valid under v0.2.1. Refs: #989, kubernetes-sigs/inference-perf#450 Signed-off-by: Brendan Slabe <slabe@google.com>
Enforces the hard requirement that every valid v0.2 benchmark report is also valid under v0.2.1, via three angles: the committed v0.2 example validates under both models, v0.2 data dumps identically under either version, and every field v0.2.1 adds is Optional (no v0.2 field becomes required). Runs under the existing `pytest tests/` PR CI job. Signed-off-by: Brendan Slabe <slabe@google.com>
- tests/test_benchmark_report_v0_2_1_multimodal.py: a fully populated multi-modal report validates and round-trips; each per-modality unit is accepted with its correct category; mismatched units are rejected, including proof that the inherited v0.2 request_rate guardrail is not loosened. - README: document v0.2.1 as an additive superset of v0.2, listing the new request_size, per-modality multimodal block, and media-rate fields plus the new unit categories. Signed-off-by: Brendan Slabe <slabe@google.com>
Grounding the v0.2.1 schema against inference-perf's emitted lifecycle report (post #450/#477) shows video temporal extent is modeled as sampled frames, not wall-clock seconds: the native Video record carries pixels/bytes/aspect_ratio/frames and no duration. The seconds field on VideoPayloadStats therefore had no producer, so remove it; audio.seconds stays since the native Audio record emits it. Updates the schema, generated JSON schema, example, README, and the video unit tests accordingly. Signed-off-by: Brendan Slabe <slabe@google.com>
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Summary
v0.2.1 of the benchmark report schema, a strict additive superset of v0.2** that carries the multimodal payload statistics inference-perf now emits (image / video / audio). Every new field is optional, so every valid v0.2 report is also a valid v0.2.1 report (hard requirement, enforced by tests rather than inspection). This is the schema (the destination) only. The inference-perf converter that populates it and a validator cleanup follow in separate, dependent PRs to keep each diff small.
What's added
results.request_performance.aggregate.requests.request_size(Statistics): total encoded request size in bytes.results.request_performance.aggregate.requests.multimodal: a per-modality block.image/videocarrycount,bytes,pixels,aspect_ratio;videoaddsframes;audiocarriescount,bytes,seconds.results.request_performance.aggregate.throughput.{image,video,audio}_rate(Statistics): per-modality delivery rates.pixels(quantity),ratio(aspect ratio, distinct from a 0..1 portion),bytes(memory), and a media-throughput category (images/s,videos/s,audios/s) kept separate from the request-rate category so the existingrequest_rateguardrail is untouched.