Gentoo Packages

All USE Flags

• NUMA - 1 package(s)
• X - 1 package(s)
• auto-cpu-optimization - 1 package(s)
• autofdo - 2 package(s)
  Enable Clang AutoFDO (Automatic Feedback-Directed Optimization) support for profile-guided optimization
• bbr3 - 2 package(s)
  Enable TCP BBR3 (Bottleneck Bandwidth and RTT) congestion control algorithm as default
• bcachefs - 1 package(s)
• bmq - 3 package(s)
  Project C BMQ (BitMap Queue) scheduler, alternative CPU scheduler with different performance characteristics
• bore - 3 package(s)
  CachyOS Scheduler (BORE - Burst-Oriented Response Enhancer), optimized for desktop responsiveness
• bore-sched - 1 package(s)
• clang - 1 package(s)
  Build the kernel using Clang/LLVM toolchain instead of GCC (required for LTO and KCFI)
• damon - 1 package(s)
• debug - 3 package(s)
  Enable debug-friendly optimizations and disable various debug features
• deckify - 3 package(s)
  Enable patches for handheld devices like Steam Deck (includes WiFi, ACPI, and handheld-specific patches)
• disable_debug - 1 package(s)
• eevdf - 3 package(s)
  Default Linux EEVDF (Earliest Eligible Virtual Deadline First) scheduler
• experimental - 1 package(s)
• firmware - 1 package(s)
  Install linux kernel firmware
• gcc - 1 package(s)
  Use the GCC-compiled build variant (default scheduler only, no LTO)
• hardened - 4 package(s)
  Enable hardened kernel patches for enhanced security
• hugepage_always - 2 package(s)
  Always enable Transparent Huge Pages for better memory performance
• hugepage_madvise - 2 package(s)
  Enable Transparent Huge Pages only when requested via madvise
• hz_ticks_100 - 2 package(s)
  Set kernel timer frequency to 100 Hz (server/battery optimized)
• hz_ticks_1000 - 2 package(s)
  Set kernel timer frequency to 1000 Hz (desktop optimized, default)
• hz_ticks_250 - 2 package(s)
  Set kernel timer frequency to 250 Hz (balanced)
• hz_ticks_300 - 2 package(s)
  Set kernel timer frequency to 300 Hz
• hz_ticks_500 - 2 package(s)
  Set kernel timer frequency to 500 Hz
• hz_ticks_600 - 2 package(s)
  Set kernel timer frequency to 600 Hz
• hz_ticks_750 - 2 package(s)
  Set kernel timer frequency to 750 Hz
• kcfi - 2 package(s)
  Enable kCFI (Kernel Control Flow Integrity) for additional security protection
• kernel-builtin-zfs - 2 package(s)
  Build ZFS module directly into the kernel (not recommended, use sys-fs/zfs-kmod instead)
• llvm-lto-full - 2 package(s)
  Enable LLVM full LTO - single threaded, slower compilation, more memory usage, potentially highest performance
• llvm-lto-thin - 2 package(s)
  Enable LLVM thin LTO (Link Time Optimization) - uses multiple threads, faster compilation, less memory usage
• llvm-lto-thin-dist - 2 package(s)
  Enable LLVM thin LTO with distributed model rather than in-process linking
• lru_standard - 1 package(s)
• lru_stats - 1 package(s)
• lto - 1 package(s)
  Use the Clang ThinLTO build variant for better runtime performance
• malderlake - 1 package(s)
• matom - 1 package(s)
• mbarcelona - 1 package(s)
• mbobcat - 1 package(s)
• mbroadwell - 1 package(s)
• mbulldozer - 1 package(s)
• mcannonlake - 1 package(s)
• mcascadelake - 1 package(s)
• mcooperlake - 1 package(s)
• mcore2 - 1 package(s)
• mexcavator - 1 package(s)
• mgeneric - 2 package(s)
  Use generic x86-64 optimizations (default kernel optimizations, portable across machines)
• mgeneric_v1 - 2 package(s)
  Use x86-64-v1 generic optimizations (baseline x86-64)
• mgeneric_v2 - 2 package(s)
  Use x86-64-v2 generic optimizations (requires CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4.1, SSE4.2, SSSE3)
• mgeneric_v3 - 2 package(s)
  Use x86-64-v3 generic optimizations (requires AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE)
• mgeneric_v4 - 2 package(s)
  Use x86-64-v4 generic optimizations (requires AVX512F, AVX512BW, AVX512CD, AVX512DQ, AVX512VL)
• mgoldmont - 1 package(s)
• mgoldmontplus - 1 package(s)
• mhaswell - 1 package(s)
• micelake - 1 package(s)
• mivybridge - 1 package(s)
• mjaguar - 1 package(s)
• mk10 - 1 package(s)
• mk8 - 1 package(s)
• mk8sse3 - 1 package(s)
• mmpsc - 1 package(s)
• mnative - 2 package(s)
  Use compiler native CPU autodetection optimizations (recommended for local builds, not portable)
• mnative_amd - 1 package(s)
• mnative_intel - 1 package(s)
• mnehalem - 1 package(s)
• mpiledriver - 1 package(s)
• mrocketlake - 1 package(s)
• msandybridge - 1 package(s)
• msapphirerapids - 1 package(s)
• msilvermont - 1 package(s)
• mskylake - 1 package(s)
• mskylakex - 1 package(s)
• msteamroller - 1 package(s)
• mtigerlake - 1 package(s)
• mwestmere - 1 package(s)
• mzen - 1 package(s)
• mzen2 - 1 package(s)
• mzen3 - 1 package(s)
• mzen4 - 2 package(s)
  Use AMD Zen 4 specific optimizations (znver4) for AMD Ryzen 7000 series and newer
• o3 - 2 package(s)
  Enable KBUILD_CFLAGS -O3 optimization for maximum performance
• os - 2 package(s)
  Optimize for size (-Os) instead of performance
• per-gov - 2 package(s)
  Set CPU frequency performance governor as default instead of schedutil
• preempt_full - 2 package(s)
  Full preemption model for lowest latency (PREEMPT)
• preempt_lazy - 2 package(s)
  Lazy preemption model (PREEMPT_LAZY)
• preempt_server - 1 package(s)
• preempt_voluntary - 2 package(s)
  Voluntary preemption model for server workloads (PREEMPT_VOLUNTARY)
• propeller - 2 package(s)
  Enable Clang Propeller optimization (basic block reordering) for better performance
• rt - 2 package(s)
  EEVDF scheduler with realtime patches for low-latency applications
• rt-bore - 3 package(s)
  BORE scheduler with realtime patches for low-latency applications
• sched-ext - 1 package(s)
• server - 1 package(s)
  Server-optimized kernel configuration
• systemd - 1 package(s)
• test - 1 package(s)
• tickrate_full - 2 package(s)
  Use full tickless mode (NO_HZ_FULL) - can provide higher performance but lower consistency depending on hardware
• tickrate_idle - 2 package(s)
  Use idle tickless mode (NO_HZ_IDLE)
• tickrate_perodic - 2 package(s)
  Use periodic ticks (traditional approach)
• vma_standard - 1 package(s)
• vma_stats - 1 package(s)
• zfs - 1 package(s)
• zram - 1 package(s)