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admin 03bc6b1d90 Add controlled Whisper and LLM benchmark results
Document and preserve the controlled Progeo benchmark series.

Whisper comparison:
- Compare whisper.cpp large-v3 and large-v3-turbo
- Identify and verify BUG-012: extraction stability depends on chunk size
- Repeat both transcription variants with identical reduced chunk budgets
- Select large-v3-turbo as the current production transcription model

LLM comparison:
- Compare qwen3.5:9b with qwen3.5:35B-A3B
- Preserve identical transcript, Meeting Context, prompts and chunking
- Retain qwen3.5:9b as the production recommendation
- Record runtime, repair burden and semantic-quality findings

Current production benchmark configuration:
- whisper.cpp large-v3-turbo
- target_chars=4500
- max_chars=5500
- min_chars=2500
- overlap_blocks=0
- qwen3.5:9b
- num_ctx=32768
- think=false
- temperature=0

BUG-012 remains verified but not yet fixed in the production chunker.
2026-08-05 14:19:40 +02:00

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1.8 KiB
JSON

{
"source_file": "progeo_whispercpp_vulkan_turbo_trimmed_converted.json",
"chunk_count": 10,
"chunks": [
{
"number": 1,
"filename": "chunk_01.txt",
"chars": 9077,
"blocks": 125,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 2,
"filename": "chunk_02.txt",
"chars": 9053,
"blocks": 103,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 3,
"filename": "chunk_03.txt",
"chars": 9053,
"blocks": 106,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 4,
"filename": "chunk_04.txt",
"chars": 9004,
"blocks": 126,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 5,
"filename": "chunk_05.txt",
"chars": 9015,
"blocks": 117,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 6,
"filename": "chunk_06.txt",
"chars": 9026,
"blocks": 107,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 7,
"filename": "chunk_07.txt",
"chars": 9008,
"blocks": 126,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 8,
"filename": "chunk_08.txt",
"chars": 9118,
"blocks": 145,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 9,
"filename": "chunk_09.txt",
"chars": 8483,
"blocks": 165,
"first_timestamp": null,
"last_timestamp": null
},
{
"number": 10,
"filename": "chunk_10.txt",
"chars": 5048,
"blocks": 91,
"first_timestamp": null,
"last_timestamp": null
}
]
}