dezren39

HoloFast: a kernel assisted eBPF fast path for accelerating Accord consensus

Core idea

Inspired by Electrode, HoloFast is an Accord acceleration layer for HoloStore’s consensus library, implemented partly as a small fixed-frame eBPF protocol running in the Linux kernel. It lets the kernel take one outgoing Accord message and fan it out to multiple replicas, then watch replies and notify Rust only when enough replicas have responded for quorum. The important Accord decisions stay in Rust; eBPF only handles repetitive packet work like fan-out, fan-in, duplicate filtering, and steering.

Electrode saw up to 128.4% higher throughput and 41.7% lower latency by moving repetitive fan-out and quorum-waiting work into eBPF; HoloFast applies that idea to HoloStore’s Accord path.

1. Background: what Electrode proved and why it matters

dezren39

Inferal Workspace Architecture

Your org's brain that AI can use

This document describes the conceptual architecture of the Inferal Workspace - a text-based, version-controlled knowledge and operations hub designed to replace tools like Notion and Webflow while being natively accessible to AI assistants.

Why We Built This

As an engineering-driven organization, we found ourselves fighting our tools instead of using them. Notion couldn't keep up with how we actually work - context scattered across pages, no version control, and AI that could read but not act. Webflow meant our website lived in a silo, disconnected from our codebase and deployment pipelines. Every tool was another tab, another context switch, another place where knowledge went to die.

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Browser Based

1. Web Wormhole https://webwormhole.io/ https://github.com/saljam/webwormhole
2. Localsend https://web.localsend.org/
3. FilePizza https://file.pizza/
4. ShareDrop sharedrop.io https://github.com/szimek/sharedrop (SOLD, not recommended, use one of the forks)
   1. A clone SnapDrop snapdrop.net https://github.com/RobinLinus/snapdrop (SOLD, not recommended, use one of the forks)
      1. A fork PairDrop https://pairdrop.net/ https://github.com/schlagmichdoch/pairdrop
5. ToffeeShare https://toffeeshare.com/
6. Instant.io https://instant.io/

dezren39

curl -s https://api.github.com/orgs/twitter/repos?per_page=200 | ruby -rubygems -e 'require "json"; JSON.load(STDIN.read).each { |repo| %x[git clone #{repo["ssh_url"]} ]}'

dezren39

{
  "name": "fire berserker",
  "colorName": "@c-red@f@c-yellow@i@c-magenta@r@c-red@e@c-reset@ @c-bold-on@@c-magenta@berserker@c-reset@",
  "stats": {
    "strength": 9,
    "intelligence": 0,
    "willpower": 0,
    "aim": 3,
    "agile": 3,
    "armorRating": 40,

dezren39

Some random notes on trying (and failing) to get Proxmox as host with 5700G APU GPU PCI Passthrough to Ubuntu guest VM working:

References:

• Looks like this one claims to have this working (but I have not tested the method) :
  • https://forums.unraid.net/topic/112649-amd-apu-ryzen-5700g-igpu-passthrough-on-692/page/6/#comment-1134140
• Others trying to get this working:
  • https://forum.proxmox.com/threads/amd-ryzen-7-renoir-4750g-apu-and-igpu-pass-thru-to-windows-10-guest.84849/
  • https://forums.unraid.net/topic/112649-amd-apu-ryzen-5700g-igpu-passthrough-on-692/
  • https://forums.unraid.net/topic/100729-help-requested-for-amd-ryzen-5-pro-4650g-passthrough/
• https://forum.level1techs.com/t/got-my-ryzen-4750g-apu-igpu-to-pass-through-to-qemu-kvm-vm-but-display-output-is-pixelated-garbage-after-amd-apu-radeon-driver-install-from-amd-or-windows-update/169903

dezren39

Note: this is an ongoing process which I'm documenting here. Semi-experimental, but this is my daily driver machine since September 2021 (work included), so I'm aiming for stability (hence why I'm not using the recommended Fedora 39 Beta).

Upgraded from an Intel i7-1165G7 to AMD 7080U mainboard:

• 64GB (2x32GB) G.Skill F5-5600S4040A32GX2-RS
  • Have an SK Hynix 16GB (2x8GB) 4800MHz (HMCG66MEBSA095N BA) kit that I'll test just to see power draw difference.
• SK hynix Gold P31 2TB PCIe NVMe Gen3 M.2 2280

These notes are for Fedora 38 6.5.8-200.fc38.x86_64 with SwayWM.

Booted into Fedora with BIOS 3.02 and seemed fine. First thing I did was upgrade to 3.03.

dezren39

#!/bin/sh
#

tunctl -u dx -t tap0
ifconfig tap0 102.168.100.1 up

# qemu-kvm -hda nixos-disc.img -m 1024 -net nic -net tap,ifname=tap0,script=no

# *** Inside the Qemu guest ***
# ip addr set 192.168.100.2 dev ens3

dezren39

NixOS in Offline and Restrictive Networks

This gist was created to explore options for working with NixOS in a completely offline environment or inside a network with restricted internet access (such as a corporate LAN with a Proxy).

Offline Installation

• I discoverd that the graphical installation ISO had no ability to install offline, so I created this repo which allows creating custom offline installation ISOs using the graphical installer
• Kevin Cox created a similar repo on Gitlab his version focuses more on automatation and uses the minimal install ISO rather than the graphical ISO
• This is another similar project that is less recent: https://github.com/tfc/nixos-offline-installer
• https://determinate.systems/posts/moving-stuff-around-with-nix

Netboot/Pixieboot

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The Setup

I wanted to write a module that generates multiple systemd services and timers to scrub some zfs pools at certain intervals. The default scrub config does not support individual scrub intervals for each pool.

I want the config to look like this:

{
  services.zfs-auto-scrub = {
 tank = "Sat *-*-* 00:00:00";