共绩科技 2023 年成立于清华，面向 AIGC 企业和科研机构提供算力平台与 MaaS 服务，致力于缓解弹性算力需求与供给之间的错配。平台通过聚合 IDC 闲置资源和边缘资源，以容器化服务为主，为 AI 推理、视频渲染、数据处理和数据合成等波动性场景提供可快速调度的算力资源。
在跨云弹性推理场景中，计算任务可以调度到不同地域、云环境和集群，但模型文件和业务数据体积较大，难以像计算资源一样快速迁移。尤其是在线推理场景，模型仓库以读为主且访问频繁，存储访问能力会直接影响服务启动、弹性扩容和请求延迟。
为此，共绩科技基于 JuiceFS 封装了"对象存储加速"方案，将用户已有对象存储接入弹性推理集群，并通过统一命名空间、元数据导入、FUSE 挂载、分布式缓存和数据预热，提升模型仓库在跨云、跨集群环境中的访问效率。以一家头部文生图模型社区实践为例，该方案支撑了几十 TB 级模型仓库、checkpoint 与 LoRA 动态加载，以及高峰期数百卡弹性资源扩容，并将弹性集群的额外延迟控制在客户验收范围内。
01 弹性需求广泛存在，供给却难以匹配
随着 AI 应用快速发展，算力需求持续增长，但不同场景的资源使用特征并不相同。相比训练任务相对稳定的资源需求，AI 推理、数据处理和数据合成等场景通常具有更强的波动性：办公类应用可能在白天流量更高，娱乐类应用可能在傍晚或周末迎来高峰；项目制的数据处理任务则可能在短时间内集中消耗大量算力，任务结束后又进入空窗期。对于中小团队或探索型业务而言，弹性算力还能帮助其更清晰地评估单次请求成本与商业收益之间的关系。
但在供给侧，算力基础设施建设属于重资产投入。资源方通常并非不具备弹性服务能力，而是更倾向于通过长期整租回收成本、降低风险。这使得市场上低价、稳定、弹性三者难以同时满足：整租资源价格较低且供应稳定，但缺乏弹性；Spot 资源价格低且具备弹性，但供应不确定；On-demand 资源弹性和稳定性较好，但成本较高。在中国市场，这种矛盾进一步表现为交易主要集中在整租订单，弹性资源供给占比较低。
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