推論系統

推論 runtime、量化、 serving、KV cache、成本與效能。

推論系統

PELM Jointly Tunes DVFS and Speculative Decoding, Cutting On-Device LLM Energy Consumption by Up to 52.4%

PELM goes beyond adjusting processor frequency: it dynamically selects speculative decoding configurations and verification depth, jointly controlling hardware and model workload under thermal constraints. The paper reports speedups of up to 23.1% and energy savings of up to 52.4%, but these peak results cannot be directly extrapolated to smartphones or other models.

推論系統

SageMaker Preserves KV Cache with Prompt Prefix Routing, Cutting Llama 3.1 70B Time to First Token by Up to 77%

SageMaker real-time inference endpoints now support `PREFIX_AWARE`, which aims to route requests with the same system prompt, documents, or conversation history to the same instance. AWS’s official seven-node tests show substantial gains for long-prefix workloads, although serialization differences, popular prefixes, and cache capacity can still affect real-world performance.

地球觀測與應用研究

MAPL-EMIT Trains Satellite Methane Detection on 3.6 Million Simulated Plumes, Releases Model and Global Dataset

Google and NASA JPL enable a vision Transformer to directly combine EMIT’s spectral and spatial context, simultaneously estimating concentrations, plume boundaries, and emission-source locations. The publicly released model recovers about 80% of expert-labeled cases, but its higher sensitivity also introduces risks of surface confusion and false positives.

最新模型

Cognition Launches SWE-2: Training Multiple Reasoning-Cost Levels in a Single Reinforcement Learning Run

Built on the 2.8T-parameter Kimi K3 base model, SWE-2 improves coding-agent efficiency through cost penalties, low-precision rollouts, and a draft model updated in sync with training. Official benchmarks show performance approaching that of frontier closed-source models, but the results were largely produced by Cognition itself, and neither a standalone API nor model weights are currently available.

最新模型

Cohere Launches North Small Translate: Open FP8 Weights for a 218B MoE, but Commercial Use Requires a Separate License

North Small Translate activates 25B parameters per token out of 218B total and supports more than 50 languages and regional variants, including Traditional Chinese. The model can be tested through the Chat V2 API or self-hosted using its FP8 weights, but CC BY-NC 4.0 prohibits direct commercial use, and Cohere has not published comparable translation benchmark results.

AI for Science

AlphaGenome Atlas Precomputes 9 Billion Single-Nucleotide Variants, Turning Genetic Effect Inference Into a Data Lookup

Google DeepMind has precomputed AlphaGenome predictions for every possible single-nucleotide substitution across the human genome, creating a 1 PB atlas that uses AVI scores to rank coding and noncoding variants on a unified scale. It sharply reduces the cost of large-scale screening, but the data remains model-generated and cannot replace functional experiments or clinical diagnosis.

最新模型

Mercury 2.5 Continues Diffusion-Based Text Generation, but Third-Party Gateway Tests Show Throughput Below the Official Peak

Inception has released Mercury 2.5 with a 260,000-token context window, adjustable reasoning, and parallel tool calling, continuing to replace purely autoregressive decoding with iterative refinement of multiple tokens. The company claims 1,107 tokens per second, but Vercel AI Gateway reports a real-world median of about 616 tokens per second, so deployers should still retest it with their own prompts and concurrency conditions.

GitHub Repo

MiniCPM5-2B Opens Training Data and On-Device Deployment Formats, but Quantized-Version Sampling Defaults Draw Scrutiny

OpenBMB has released a 2B dense model with a 131K-token context window and tool-calling capabilities, along with staged checkpoints, training data, and multiple quantization formats. Third-party evaluations affirm its competitiveness within its class, but community testing suggests the official sampling settings may cause GGUF quantizations to fall into repetitive generation loops.