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compute/scenes/voice-gemma.scene.yaml
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Karti Tripathi 91a47fb42c
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Lumbridge Compute
Governed compute for unified-memory AI hardware — the machines where CPU and
GPU share one pool and there is no separate VRAM allocation to bounce off.
Over-commit that pool and the box thrashes and wedges, SSH and ping included,
before the OOM killer gets a turn.

Compute does not run inference. It supervises the servers that do:

- Admission control. A model starts only if committed + requested + margin
  fits the budget. The refusal is the feature.
- A 1 Hz watchdog on MemAvailable that stops the newest model before thrash.
- Scenes: named sets of models activated as one transactional unit, with
  pre-flight validation and rollback to the previously active Scene on
  failure. Scenes reference model ids, never weight paths or commands, so a
  Scene obtained from elsewhere cannot introduce code.
- Process ownership bound to (boot_id, pid, start_time_ticks, pgid == pid),
  so a reused PID can never be group-killed.
- A protocol-transparent TCP gateway, so clients keep one address while model
  runtimes move behind it.
- An MCP server, so agents drive the node as tools rather than as a CLI.

One binary, six direct dependencies, no async runtime outside the MCP surface.

Published from the internal monorepo with a fresh history. The private
development tree keeps its own history; nothing here carries it.
2026-08-03 16:22:21 -07:00

23 lines
613 B
YAML

apiVersion: lumbridge/v1
kind: Scene
metadata:
name: voice-gemma
version: 1
description: "Efficient voice assistant — Nemotron ASR, Gemma 4 31B, and Chatterbox."
author: karti
tags: [assistant, voice, efficient, multimodal]
# Gemma's mostly-sliding-window attention keeps its footprint well under brain
# and brain-laguna's, leaving real headroom in the budget beyond Lumbridge Compute's 8 GB
# admission margin — useful until brain-gemma's footprint is confirmed on
# real hardware.
models:
- ears
- brain-gemma
- voice
budget_gb: 80
activation:
order: footprint-asc
wait_healthy: true