Aggregator

by George Whittaker Introduction

Modern computing systems rely heavily on operating-system schedulers to allocate CPU time fairly and efficiently. Yet many of these schedulers operate blindly with respect to the meaning of workloads: they cannot distinguish, for example, whether a task is latency-sensitive or batch-oriented. This mismatch, between application semantics and scheduler heuristics, is often referred to as the semantic gap.

A recent research framework called SchedCP aims to close that gap. By using autonomous LLM‐based agents, the system analyzes workload characteristics, selects or synthesizes custom scheduling policies, and safely deploys them into the kernel, without human intervention. This represents a meaningful step toward self-optimizing, application-aware kernels.

In this article we will explore what SchedCP is, how it works under the hood, the evidence of its effectiveness, real-world implications, and what caveats remain.

Why the Problem Matters

At the heart of the issue is that general-purpose schedulers (for example the Linux kernel’s default policy) assume broad fairness, rather than tailoring scheduling to what your application cares about. For instance:

• A video-streaming service may care most about minimal tail latency.

• A CI/CD build system may care most about throughput and job completion time.

• A cloud analytics job may prefer maximum utilisation of cores with less concern for interactive responsiveness.

Traditional schedulers treat all tasks mostly the same, tuning knobs generically. As a result, systems often sacrifice optimisation opportunities. Some prior efforts have used reinforcement-learning techniques to tune scheduler parameters, but these approaches have limitations: slow convergence, limited generalisation, and weak reasoning about why a workload behaves as it does.

SchedCP starts from the observation that large language models can reason semantically about workloads (expressed in plain language or structured summaries), propose new scheduling strategies, and generate code via eBPF that is loaded into the kernel via the sched_ext interface. Thus, a custom scheduler (or modified policy) can be developed specifically for a given workload scenario, and in a self-service, automated way.

Architecture & Key Components

SchedCP comprises two primary subsystems: a control-plane framework and an agent loop that interacts with it. The framework decouples “what to optimise” (reasoning) from “how to act” (execution) in order to preserve kernel stability while enabling powerful optimisations.

Here are the major components:

Go to Full Article

Anglian Water has warned the driest spring and summer since 1976 is putting long-term pressure on water supplies in the East of England.

Anglian Water has warned the driest spring and summer since 1976 is putting long-term pressure on water supplies in the East of England.

Witham MP Priti Patel helped launch the 2025 Poppy Appeal at the annual Poppy Prom.

An application for a memorial plaque to be placed at the scene of a lorry which was carrying chickens and caught on fire has been rejected.

Locals had some great things to say about the new pub

The Met says it will end the practice of investigating non-crime incidents after dropping a case against Graham Linehan over tweets he made about trans activists.

24,500 devs polled, two blog posts, one confusion

JetBrains has released its State of the Developer Ecosystem survey, with more than 24,500 responses, revealing AI's impact on developer tools and programming language trends - including the claim that PHP and Ruby are in "long term decline."…

Over 16,600 people across the UK reached the milestone in 2024, according to the ONS. It means the number of centenarians has more than doubled since 2004.

It once stood proudly on a barren moorland, commemorating a man who lost his life in the 19th century.

Forsyth spoke to the BBC just weeks before his death in June, for a documentary that airs tonight. He told how he was 'too trusting' of tycoon Roger Levitt.

In footage shared on X by the Israeli Foreign Ministry, Israel has claimed that 'Hamas is brutalising Palestinian civilians' in an effort to 'reestablish control', and has called for Gaza to be demilitarised.

Just Stop Oil protestors Niahm Lynch, 22, and Rajan Naidu, 74, are filmed ignoring a police officer moments after they allegedly vandalised Stonehenge.

Asylum seeker Deng Chol Majek, accused of killing a woman who worked at his migrant hotel, today told a jury he 'never had any problem with anyone', as he denied responsibility for the attack.

King Charles and Prince Andrew's long-standing row deepens after revelations that the disgraced former duke has not paid rent on the 30-bedroom property in 22 years.

The unbelievable valuation took place on Sunday's edition of the show, which took place in Swansea, and began with a period photograph, letter, and an Edwardian shilling on the valuation table.

Rachel Reeves admitted the economy is 'not working as it should' and she does not 'like' the situation as government borrowing hit a new post-Covid high.

Mohammed Sarfaraz, 45, of Gosforth in Newcastle, heated up cooking oil when he learned that police officers were on their way to his parents' house.

The Louvre's head of security has been accused of being a diversity hire who put France's national treasures at risk, following the shocking heist of Napoleonic jewellery over the weekend.

Cornwall Council originally refused plans by developers Downing Renewables to construct the farm, which will host around 125,000 solar panels, following protests from locals.