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rustytorch/demos/rtx-distllm-demo/Cargo.toml
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feat(demos,inference): wire simulation demos to real compute; fix embedding lookup and weight-name aliases
Demos:
- rtx-distllm-demo: real rtx-tensor weights per shard, real
  scaled-dot-product attention forward, metrics measured (Instant)
  instead of hardcoded constants; network topology remains a documented
  simulation fed by real tensor byte sizes.
- rtx-model-zoo: MockInferenceEngine deleted; RealInferenceEngine loads
  a tiny real transformer into rtx_inference::InferenceEngine and runs
  genuine engine.infer per request; domain outputs are explicitly-
  labeled toy proxies derived from real output tokens.
- rtx-inference-profiler: mock models deleted; profiles real
  matmul/softmax pipelines on rtx-tensor with measured latency/memory.

Inference-path bugs the demos surfaced (fixed here):
- ForwardPass::apply_embedding misused Tensor::gather for the embedding
  lookup — gather returns the indices' shape, silently dropping the
  hidden dim and breaking every downstream broadcast. Now uses the
  existing Tensor::embedding_lookup ([vocab,hidden] x [batch,seq] ->
  [batch,seq,hidden]).
- Attention weight lookup accepts both self_attn. (HF-LLaMA) and
  attention. prefixes; final layer norm accepts norm.weight /
  model.norm.weight / ln_f.weight aliases.
- Integration fixture gains the final norm weight; the previously
  always-failing engine tests now pass (8/8 model_loading_test).

End-to-end inference through the real engine now works for the first
time — verified via model_zoo_demo producing real forward-pass outputs
across all categories.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-09 22:06:29 -07:00

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[package]
name = "rtx-distllm-demo"
version = "1.0.0"
edition = "2021"
authors = ["RustyStack Team"]
description = "DistributedLLM: Trillion-Parameter Inference across Thunderbolt 5 Mac Cluster"
license = "MIT OR Apache-2.0"
[dependencies]
distllm-shared = { path = "../distllm-shared" }
rtx-tensor = { workspace = true, features = ["cpu"] }
[dev-dependencies]
[lints]
workspace = true