Panther Lake Archives

Tech Optimizer

February 20, 2026

Linux 7.0 Shows Significant PostgreSQL Performance Gains On AMD EPYC Review

Initial benchmarking of the Linux 7.0 kernel on the Core Ultra X7 "Panther Lake" platform revealed performance regressions. In contrast, testing on an AMD EPYC Turin server showed no regressions and highlighted significant performance enhancements for PostgreSQL database operations. The benchmarks compared Linux 6.19 and Linux 7.0 Git, using an AMD EPYC 9755 single-socket setup on a Gigabyte MZ33-AR1 server. The upgrade to Linux 7.0 resulted in modest improvements for CockroachDB and notable enhancements in PostgreSQL 18.1 for read and write operations. Performance for in-memory databases like Memcached and Pogocache remained unchanged, while slight improvements were observed for the Nginx HTTPS web server and the Open Image Denoise library. The Panther Lake tests had shown increased context switching times, which were not replicated in the AMD EPYC Turin tests. Both platforms indicated enhancements in kernel message passing performance and improvements in socket activity and pthread performance. Ongoing benchmarking will continue as the Linux 7.0 merge window approaches its conclusion.

Winsage

January 18, 2026

Microsoft says Windows 11 AI PCs put the “plus” in productivity because they’re 5x faster than old Windows 10 PCs, beat M4 MacBook

Microsoft has not clarified the reasoning behind the “Plus” designation for its Copilot+ PCs, which are described as AI-enhanced devices with notable upgrades in hardware and performance. These PCs can reach speeds up to 5x faster than a 5-year-old Windows device and outperform a MacBook Air with the M4 chip. Microsoft claims that Copilot+ PCs enhance “everything Windows 11 does best” and are “up to five times quicker than a 5-year-old Windows 10 device.” The company conducted benchmarks between June and September 2025, claiming that Copilot+ PCs outperform an “average” 5-year-old Windows PC by up to 5x in Cinebench 2024 multi-core performance, although the results have not been made public. Copilot+ machines exhibit up to 3.7x faster AI performance compared to previous-generation Windows 11 AI PCs, with a maximum of 40 TOPs of NPU compared to earlier models' 15 TOPs. Battery life is also improved, offering up to 19 hours of web browsing, 27 hours of local video playback, and 22 hours of streaming. Microsoft asserts that its top-performing Copilot+ PCs surpass the M4 in Cinebench 2024 multi-core tests. The Copilot key is emphasized for its utility in multitasking and quick responses, benefiting students and professionals alike.

AppWizard

January 9, 2026

Intel: Stutters in PC Games are “Breaking Immersion”

Google's "Project Butter," introduced with Android 4.1, aimed to improve scrolling smoothness on 60Hz smartphone displays. Intel announced the Precompiled Shader Distribution to enhance gaming performance by downloading shaders directly to PCs via Arc Control software, debuting with Panther Lake review driver downloads and initially supporting select DirectX 12 titles on Steam. Intel will update offline shaders alongside game patches and driver updates, with a focus on optimal performance. Petersen expressed support for Microsoft's efforts in precompiled shaders for Windows gaming. Intel Arc employs machine learning for its XeSS image upscaler and Xe Frame Generation system, with plans to address frame-pacing issues using AI. Petersen discussed the need to distinguish between frame generation and rasterization, emphasizing that visual improvements should be viewed separately from performance metrics like frames per second.

Winsage

January 1, 2026

Windows Reborn: Microsoft Moves Copilot into the Kernel, Launching the Era of the AI-Native OS

Microsoft is transitioning its Windows operating system to an "AI-native" platform, embedding AI capabilities directly into the Windows kernel, marking a significant architectural shift not seen in three decades. This new approach, called the "Agentic OS," allows AI to manage files, system settings, and workflows proactively. The updated kernel, partially rewritten in Rust, includes a new NPU-aware scheduler that treats the Neural Processing Unit as a primary resource. Microsoft has introduced "Agent Workspace" and "Agent Accounts" for autonomous agents, ensuring actions are logged and audited for compliance. Communication between agents and the system is facilitated by the Model Context Protocol (MCP). Hardware requirements for the new OS have increased, with benchmarks set for NPUs achieving 80 to 100 TOPS. Major PC manufacturers are adjusting their portfolios to accommodate "Agentic PCs." The competitive landscape is evolving, with companies like Alphabet and Apple developing their own AI-native platforms. The introduction of the AI-native kernel raises privacy and security concerns, with Microsoft implementing measures to restrict third-party access to the kernel. Future updates may include "self-healing" capabilities and "Cross-Device Agency," leading to a more integrated personal AI experience.

Winsage

December 31, 2025

Unexpected Surprise: Windows 11 Outperforming Linux On An Intel Arrow Lake H Laptop

Recent benchmarks on the Lenovo ThinkPad P1 Gen 8 show that Microsoft Windows 11 outperformed Ubuntu Linux in several demanding workloads, including multi-threaded tasks and CPU-based rendering applications like Blender and V-RAY. The device features an Intel Core Ultra 7 255H processor with 16 cores and was tested with 64GB of LPDDR5-7467 memory and NVIDIA RTX Pro 1000 graphics. The performance metrics were consistent with expectations for the hardware, and the benchmarks used official binaries for both operating systems. Lenovo and Intel are investigating the results further, and the findings may indicate a broader trend in operating system performance. The original benchmarks were conducted using Windows 11 Pro and Ubuntu 24.04.3 LTS.

Winsage

December 29, 2025

Windows on Arm had another good year

The tech landscape is expected to see significant advancements in chips and software by 2026, particularly with Qualcomm's Snapdragon X series enhancing Arm-based Windows laptops. The Snapdragon X chips improved performance and battery life, making Windows on Arm laptops more viable, especially in Microsoft’s Surface Laptop and Surface Pro lines. However, challenges with app compatibility persisted, limiting users to simplified versions of software like Adobe Lightroom. In 2025, software enhancements allowed more creative applications to run natively or through improved emulation, including Adobe Premiere Pro and a functioning version of Lightroom Classic on lower-end Snapdragon X Plus chips. Gaming options improved with advancements in emulator technology, and compatibility for Epic's Easy Anti-Cheat was established. The Xbox game launcher expanded to support local installations on Arm devices. Despite the growing appeal of Windows on Arm laptops, traditional x86 options remain dominant for gaming. The first generation of Snapdragon X chips set new benchmarks for battery life, but competition from Intel’s Lunar Lake and AMD’s Strix Point chips is emerging. Nvidia is rumored to be developing an Arm-based chip for Alienware laptops, indicating a competitive landscape. The gap between x86 and Arm Windows laptops is narrowing, with Arm laptops becoming more accessible, though x86 systems are likely to remain preferred for gamers. Microsoft’s evolution of Windows into an “agentic OS” raises questions about the future of Windows laptops.

Winsage

December 26, 2025

SSDs on some Windows machines with BitLocker enabled are about twice as fast thanks to BitLocker hardware acceleration.

Windows 11 Pro has introduced a hardware-accelerated version of BitLocker, enhancing storage encryption without compromising performance. This update allows compatible devices to maintain storage read and write speeds similar to when BitLocker is disabled. The hardware-accelerated BitLocker utilizes the encryption processor in the System on Chip (SoC) to streamline encryption and decryption processes. It is available on devices with a supported built-in encryption processor and uses the XTS-AES-256 encryption algorithm. Users can check if hardware BitLocker is enabled by executing the command manage-bde -status in the command prompt. Performance metrics indicate that CPU cycles during storage access remain consistent with machines that have BitLocker disabled, and benchmarks show that hardware BitLocker can double sequential read and random write speeds. The integration of the XTS-AES-256 encryption processor into Intel's upcoming third-generation Core Ultra processor, Panther Lake, suggests future advancements for hardware-accelerated BitLocker.

Winsage

December 25, 2025

Microsoft’s Hardware-Accelerated BitLocker Brings Massive Performance Gains

Microsoft has introduced a hardware-accelerated BitLocker encryption system for Windows 11, which shifts the encryption workload from software to dedicated accelerator units in future CPU microarchitectures. This new system is available in Windows 11 version 25H2 and Windows Server 2025 following the September update. Initial testing shows that certain workloads can achieve double the storage performance and reduce CPU usage by over 70%. The encryption processing is offloaded to a fixed-function cryptography engine within the system on chip (SoC), and encryption keys are hardware-wrapped for enhanced security. The initial rollout focuses on Intel vPro platforms with Core Ultra Series 3 "Panther Lake" processors, with plans to extend support to other vendors. Performance data indicates that while sequential read and write speeds are similar between software and hardware approaches, random 4K operations show significant improvements, with hardware-accelerated BitLocker being 2.3 times faster in RND4K Q32T1 tests and demonstrating a 40% speed increase for single-queue random reads and a 2.1 times speed increase for single-queue random writes.

Winsage

December 25, 2025

Microsoft forced slow software-accelerated BitLocker on Windows, but will nearly double storage performance with new CPU hardware-accelerated crypto — will improve battery life also, but feature requires new CPUs that aren’t available on the market yet

Microsoft has introduced hardware-accelerated BitLocker encryption in Windows 11 (25H2) and Windows Server (2025 with the September Update), enhancing performance and efficiency. This feature, revealed at Ignite 2025, utilizes UFS Inline Crypto Engine technology to address performance issues associated with software-based encryption, which historically reduced SSD performance by up to 45%. The new technology can deliver up to twice the storage performance in certain workloads and is compatible with TCG Opal-compliant storage devices. Future implementations will use Intel Core Ultra series 3 CPUs with crypto offloading capabilities. Supported devices with NVMe drives will use hardware-accelerated BitLocker with the XTS-AES-256 algorithm by default, resulting in up to 70% fewer CPU cycles for BitLocker workloads and improved battery life for mobile devices. Performance tests show significant improvements, with read speeds increasing from 1632 MB/s to 3746 MB/s and write speeds from 1510 MB/s to 3530 MB/s.

Winsage

December 24, 2025

Microsoft rolls out hardware-accelerated BitLocker in Windows 11

Microsoft is enhancing Windows 11 with hardware-accelerated BitLocker to improve security and performance, particularly for resource-intensive tasks like gaming and video editing. BitLocker, which encrypts sensitive data, traditionally relied on the Trusted Platform Module (TPM) for managing encryption keys. With advancements in NVMe storage technology, Microsoft is now using system-on-a-chip (SoC) components with hardware security modules (HSMs) and trusted execution environments (TEEs) to offload cryptographic operations, leading to improved performance and reduced CPU usage. Devices supporting NVMe drives and crypto offload-capable SoCs will automatically use hardware-accelerated BitLocker with the XTS-AES-256 algorithm. This update applies to various encryption scenarios, and hardware-accelerated BitLocker has shown a reduction in CPU cycles by approximately 70% compared to software-based versions. The new implementation also enhances security by using hardware-protected keys, minimizing the risk of cyberattacks targeting CPU and memory. The updated BitLocker feature is available with Windows 11 24H2, following the September updates, and will also be included in Windows 11 25H2. Initial support is rolling out with Intel vPro systems featuring Intel Core Ultra Series 3 processors, with plans to expand to other SoC vendors. Users can check their BitLocker mode by executing the command manage-bde -status. If unsupported configurations are detected, BitLocker will revert to software-based mode.