据中国钢铁工业协会的数据，2025年重点统计钢铁企业营业收入6.1万亿元，同比下降3.1%，但行业利润总额却达到1151亿元，同比大幅增长140%。利润的跳升主要得益于铁矿石等原料成本的降幅大于收入降幅，加上产品结构的优化，使得行业平均利润率从2024年的0.77%回升至1.9%。
Abstract:Autoregressive decoding is bottlenecked by its sequential nature. Speculative decoding has become a standard way to accelerate inference by using a fast draft model to predict upcoming tokens from a slower target model, and then verifying them in parallel with a single target model forward pass. However, speculative decoding itself relies on a sequential dependence between speculation and verification. We introduce speculative speculative decoding (SSD) to parallelize these operations. While a verification is ongoing, the draft model predicts likely verification outcomes and prepares speculations pre-emptively for them. If the actual verification outcome is then in the predicted set, a speculation can be returned immediately, eliminating drafting overhead entirely. We identify three key challenges presented by speculative speculative decoding, and suggest principled methods to solve each. The result is Saguaro, an optimized SSD algorithm. Our implementation is up to 2x faster than optimized speculative decoding baselines and up to 5x faster than autoregressive decoding with open source inference engines.
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Раскрыта новая задумка Трампа против Ирана14:57
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