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Condor's Cuzco RISC-V Core at Hot Chips 2025

Condor Computing, a subsidiary of Andes Technology that creates licensable RISC-V cores, has a business model with parallels to Arm (the company) and SiFive. Andes formed Condor in 2023, so Condor is a relatively young player on the RISC-V scene. However, Andes does have RISC-V design experience prior to Condor’s formation with a few RISC-V cores under their belt from years past. Condor is presenting their Cuzco core at Hot Chips 2025. This core is a heavyweight within the RISC-V scene, with wi

CISA warns of actively exploited Git code execution flaw

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) is warning of hackers exploiting an arbitrary code execution flaw in the Git distributed version control system. The agency has added the vulnerability to its Known Exploited Vulnerabilities (KEV) catalog and has set the patch deadline for federal agencies to September 15th. Git version control system allows software development teams to track codebase changes over time. The library is the backbone of modern software collaboration,

450× Faster Joins with Index Condition Pushdown

Introduction Readyset is designed to serve queries from cached views with sub-millisecond latency. This post focuses on the cold path—cases where a cache miss forces execution against the base tables. In these scenarios, Readyset must evaluate the query from scratch, including materializing intermediate results. The focus here is on straddled joins, where filtering predicates apply to both sides of the join in addition to the ON clause. Example: SELECT u.id, u.name, o.order_id, o.total FROM u

Topics: 00 execution join ms rows

Adobe issues emergency fixes for AEM Forms zero-days after PoCs released

Adobe released emergency updates for two zero-day flaws in Adobe Experience Manager (AEM) Forms on JEE after a PoC exploit chain was disclosed that can be used for unauthenticated, remote code execution on vulnerable instances. The flaws are tracked as CVE-2025-54253 and CVE-2025-54254: CVE-2025-54253: Misconfiguration allowing arbitrary code execution. Rated "Critical" with a CVSS score of 8.6. Misconfiguration allowing arbitrary code execution. Rated "Critical" with a CVSS score of 8.6. CVE

Death Row Inmate’s Attorneys Say Heart Implant Will Repeatedly Shock Him as He’s Executed

Attorneys for a death row inmate in Tennessee who’s scheduled to be executed Aug. 5 warn that his implanted heart device will repeatedly shock him during his execution, torturing him by trying to keep him alive as he’s killed by lethal injection. A judge ordered the device deactivated, but a local hospital in Nashville now says it won’t participate, according to a report from the Associated Press. Byron Black, 69, received an implantable cardioverter-defibrillator (ICD) in May 2024, which works

Performance Debugging with LLVM-mca: Simulating the CPU

Some time ago I had a performance problem that wasn’t easy to explain by just looking at the code, since the version I expected to be faster was actually slower. Since the problem is simple yet illustrative, I am using it as a showcase on how to debug performance issues using llvm-mca. According to it’s documentation llvm-mca is a performance analysis tool that uses information available in LLVM (e.g. scheduling models) to statically measure the performance of machine code in a specific CPU. In

Show HN: Pickaxe – A TypeScript library for building AI agents

Pickaxe: A Typescript library for building AI agents that scale Pickaxe is a simple Typescript library for building AI agents that are fault-tolerant and scalable. It handles the complexities of durable execution, queueing and scheduling, allowing you to focus on writing core business logic. It is not a framework. Everything in Pickaxe is just a function that you have written, which makes it easy to integrate with your existing codebase and business logic. You can build agents that call tools,

Show HN: Pickaxe – a TypeScript library for building AI agents

Pickaxe: A Typescript library for building AI agents that scale Pickaxe is a simple Typescript library for building AI agents that are fault-tolerant and scalable. It handles the complexities of durable execution, queueing and scheduling, allowing you to focus on writing core business logic. It is not a framework. Everything in Pickaxe is just a function that you have written, which makes it easy to integrate with your existing codebase and business logic. You can build agents that call tools,