Issues

• mps: quickstart tutorial is SIGKILLed late in training

  candle-org/candle#327 · Filter by author lvyufeng opened on Apr 1, 2026

• compat: torchvision MNIST loaders require torch.frombuffer

  candle-org/candle#325 · Filter by author lvyufeng opened on Apr 1, 2026

• F.cross_entropy backward fails with broadcast shape mismatch

  candle-org/candle#323 · Filter by author lvyufeng opened on Mar 31, 2026

• SGD optimizer crashes on 0-d (scalar) parameters with momentum

  candle-org/candle#322 · Filter by author lvyufeng opened on Mar 31, 2026

• [MPS] compat: torch.accelerator module exists but is not exported at top level

  candle-org/candle#275 · Filter by author lvyufeng opened on Mar 27, 2026

• [Task][Megatron] 4.4: CUDA-target Megatron compatibility

  enhancement
  candle-org/candle#266 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 4.3: FP8 path and TransformerEngine-class integration

  enhancement
  candle-org/candle#265 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 4.2: Expert parallel / MoE communication path

  enhancement
  candle-org/candle#264 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 4.1: Pipeline parallel 1F1B / interleaved schedules

  enhancement
  candle-org/candle#263 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 3.2: Distributed checkpoint compatibility validation

  enhancement
  candle-org/candle#262 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 3.4: Performance benchmark suite

  enhancement
  candle-org/candle#261 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 3.3: Extend DeviceMesh beyond 2D

  enhancement
  candle-org/candle#260 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 3.1: NPU-first end-to-end Megatron training smoke test

  enhancement
  candle-org/candle#259 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 2.4: Validate activation checkpointing compatibility

  enhancement
  candle-org/candle#258 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 2.3: Megatron-compatible gradient buffer path

  enhancement
  candle-org/candle#257 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 2.2: Sequence / context parallel building blocks

  enhancement
  candle-org/candle#256 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 2.1: Tensor parallel modules (ColumnParallelLinear, RowParallelLinear, VocabParallelEmbedding)

  enhancement
  candle-org/candle#255 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 1.3: Validate async P2P semantics for pipeline communication

  enhancement
  candle-org/candle#254 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 1.2: Differentiable collective autograd.Functions

  enhancement
  candle-org/candle#253 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][Megatron] 1.1: NCCL/HCCL backend routing strategy for Megatron

  enhancement
  candle-org/candle#252 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][vLLM] 4.4: Multi-model benchmark suite

  enhancement
  candle-org/candle#251 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][vLLM] 4.3: Scheduler / memory manager validation under continuous batching

  enhancement
  candle-org/candle#250 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][vLLM] 4.2: Quantized serving (GPTQ/AWQ/FP8)

  enhancement
  candle-org/candle#249 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][vLLM] 4.1: Tensor parallel > 1 end-to-end

  enhancement
  candle-org/candle#248 · Filter by author lvyufeng opened on Mar 25, 2026

• [Task][vLLM] 3.4: Benchmark serving throughput / latency

  enhancement
  candle-org/candle#247 · Filter by author lvyufeng opened on Mar 25, 2026