硬體

AI 晶片、GPU、資料中心、邊緣裝置與硬體安全。

推論系統

TensorRT Model Connect Enters Public Preview: Package Hugging Face Models for Native C++ Inference Without ONNX

NVIDIA has open-sourced TensorRT Model Connect, which uses two commands to turn supported Hugging Face or local checkpoints into versioned bundles that can be handed off to C++ applications. It shortens the model-porting path, but remains a reference implementation; support and performance must be validated for each model, precision, and hardware configuration.

硬體

PTXBench Tests LLMs Writing H100/B200-Specific PTX Directly; No Model Reliably Matches State-of-the-Art Kernel Libraries

PTXBench checks whether generated kernels are correct, whether specified instructions actually execute, and how their performance compares with cuBLAS, cuDNN, and FlashInfer. The results show that generating instructions for new architectures does not necessarily translate into effective acceleration, with B200 attention kernels proving especially difficult.

代理工具

StagedWorkspace Uses Content Hashes to Synchronize Agents’ Parsed Views and Native Files, Boosting OfficeQA Pass@1 by 8.3 to 12.1 Points

The new system binds a document agent’s search results, native files, diff views, and final submissions to explicit versions, preventing the agent from reading stale parsed content while editing a newer file. Ablations within a fixed framework show that providing both parsed and native views outperforms either view alone, though the full codebase and cross-framework reproductions are still needed.

硬體

rl-triton Unifies Seven Reinforcement Learning Return Computations as GPU Scans, Delivering Up to a 5.70× Speedup for Full Calls

The open-source rl-triton library rewrites credit-assignment recurrences such as GAE, V-Trace, and Retrace as Triton associative scans, reducing sequential dependency depth from O(T) to O(log T). In tests with 4,096 environments and 128 steps, it was 1.6× to 5.70× faster than an already vectorized torch.compile baseline, although end-to-end PPO speedup for large policies was only about 1.02×.

代理工具

Quipu Changes Agent Writes to Knowledge Graphs from Accept-Then-Clean to Validate-Before-Commit, with Rejected Records Replayable Across Versions

Quipu places data, trust labels, rules, and decisions on dual timelines, and checks candidate state before committing agent writes. In the authors’ injected-defect test, all six defects persisted without a gate, compared with zero under Quipu, though the evidence still comes mainly from a single deterministic evaluation designed by the system’s authors.

訓練基礎設施

Rollplex Fits VLM Reinforcement Learning Prefix Computation into Rollout Idle Time, Accelerating Training by up to 1.30× on 32 H800 GPUs

Rollplex executes video encoding and prompt prefill for the reference model and training actor early, during autoregressive decoding, while preserving synchronous on-policy semantics. The system uses CUDA VMM to manage memory across stages and enables training and inference processes with different tensor-parallel configurations to share compatible weights.