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Liquorix Kernel
Liquorix Kernel
Liquorix is an enthusiast Linux kernel designed for uncompromised responsiveness in interactive systems, enabling low latency compute in A/V production, and reduced frame time deviations in games.
Install
Debian / Ubuntu / Arch: Install Script
curl -s 'https://liquorix.net/install-liquorix.sh' | sudo bashMajor Features
- Zen Interactive Tuning: Tunes the kernel for responsiveness at the cost of throughput and power usage.
--- Block Layer ---------------------------------------- Default scheduler..............: mq-deadline -> kyber (mq) / bfq (sq) --- Virtual Memory Subsystem --------------------------- Background-reclaim hugepages...: no -> yes Compact Unevictable............: yes -> no Watermark boost factor.........: 1.5 -> 0 --- PDS/BMQ CPU Scheduler ------------------------------ Scheduling timeslice...........: 4 -> 2 ms --- CPUFreq Settings ----------------------------------- Ondemand sampling down factor..: 1 -> 5 Ondemand default up threshold..: 80 -> 55 Ondemand micro up threshold....: 95 -> 60 - PDS Process Scheduler: Fair process scheduler for gaming, multimedia, and real-time loads.
- High Resolution Scheduling: 1000hz tick rate for precise low jitter task scheduling.
- Preemptible tree-based hierarchical RCU: RCU implementation for real-time systems.
- Hard Kernel Preemption: Most aggressive kernel preemption before requiring real-time patches. Guarantees responsive system under high intensity mixed workload scenarios.
- Optimized Disk I/O: Uses Kyber for multiqueue devices and BFQ for single queue devices, providing best responsiveness under high IO.
- TCP BBR2 Congestion Control: Fast congestion control, maximizes throughput, guaranteeing higher speeds than Cubic.
- Binary Builds For Popular Debian Distros: Binary builds are produced for Debian Stable, Testing, and Unstable. Ubuntu builds are available on the Liquorix PPA same day within hours of Debian releases going up.
- Distribution Kernel Drop-in Replacement: Proper distribution style configuration supporting broadest selection of hardware. Paravirtualization options enabled to reduce overhead under virtualization.