Monte Carlo estimation
monte-carlo-estimation-1f46d54a·2 events·first seen 27d agoAliases: Monte Carlo estimation, Monte Carlo cost estimation
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CARV: Compute-Aware Variance Reduction for Diffusion Teacher Gradient Estimation
CARV is a hierarchical Monte Carlo estimation framework that reduces gradient variance when using frozen pretrained diffusion models as teachers in downstream pipelines such as text-to-3D distillation and data attribution. The approach amortizes expensive upstream computation (rendering, simulation, encoding) over cheap diffusion-noise resamples, augmented by timestep importance sampling and stratified-inverse-CDF construction. In text-to-3D experiments, CARV delivers 2–3× effective compute multipliers; in single-step distillation, it cuts gradient variance by an order of magnitude but does not improve FID, revealing that MC variance is not the bottleneck in that regime.
Agent JIT Compilation for Latency-Optimizing Web Agent Planning and Scheduling
This paper introduces agent just-in-time (JIT) compilation as an alternative to the sequential fetch-screenshot-execute loop used by current computer-use agents. The approach compiles natural language task descriptions directly into executable code that can include LLM calls, tool calls, and parallelization, using three components: JIT-Planner, JIT-Scheduler, and an invariant-enforcing tool protocol. Across five web applications, JIT-Planner achieves 10.4× speedup and +28% accuracy over Browser-Use, while JIT-Scheduler achieves 2.4× speedup and +9% accuracy over OpenAI CUA.