VirtualTam's bookmarks

21. Make your programs run faster by better using the data cache 2023-07-22

    tags: algorithm, data-structure, hardware/cpu, memory/cache, performance, programming/c, valgrind

    [ permalink ]

    • Use explicit data prefetching to faster process your data structure
    • ibogosavljevic/johnysswlab
    • What is cache memory - Gary explains
    • Cachegrind: a high-precision tracing profiler
22. When Open Becomes Opaque: The Changing Face of Open-Source Hardware Companies 2023-07-17

    tags: 3d-printer, community, diy, electronics, embedded, open-hardware, patent

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    • More on the Shifting State of Open Source Hardware
    • Stratasys Lawsuit, Patents and More: An Interview with MakerBot’s Bre Pettis
    • Prusa - The state of open-source in 3D printing in 2023
23. SiliFuzz: Fuzzing CPUs by proxy 2022-09-11

    tags: google, hardware, hardware/cpu, programming/fuzzing

    [ permalink ]

    • https://raw.githubusercontent.com/google/silifuzz/main/paper/silifuzz.pdf
24. Behringer FCB1010 MIDI pedalboard | Hardware and Software mods 2022-08-04

    tags: digital-audio-workstation, diy, electronics, instrument/midi

    [ permalink ]

    • https://fcb1010.groups.io/g/main
    • https://fcb1010.groups.io/g/uno
    • https://mountainutilities.eu/fcb1010
    • https://www.fcb1010.eu/
    • https://www.fcb1010.uno/
    • https://www.eurekasound.com/eurekaprom
    • https://www.voes.be/fcb1010/software.htm
    • https://el34world.com/Misc/Music/FCB_Kemper1.htm
    • https://forum.fractalaudio.com/threads/fcb1010-uno-editor.124710/
    • http://forum.cakewalk.com/FCB-1010-MIDI-Controller-Configuration-m2588616.aspx
    • https://www.reddit.com/r/ableton/comments/wb2twe/looper_is_awesome/
25. Mitxela | Projects 2022-05-31

    tags: diy, electronics, mechanics, music, software

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    • https://mitxela.com/projects/software
    • https://mitxela.com/projects/hardware
    • https://mitxela.com/other/orrery
    • https://mitxela.com/projects/autotune_slide_whistle
    • https://mitxela.com/projects/slide
    • https://mitxela.com/projects/stylocard
    • https://mitxela.com/projects/bluetooth_hid_gamepad
26. VT100 - Video Display Terminal Information 2022-03-07

    tags: command-line, hardware, history, terminal

    [ permalink ]
27. Algorithmica - Algorithms for Modern Hardware 2022-02-24

    tags: algorithm, data-structure, programming

    [ permalink ]
28. Writing a Linux Debugger 2021-10-10

    tags: debugging, hardware/ram, linux, programming/c++

    [ permalink ]

    • https://blog.tartanllama.xyz/writing-a-linux-debugger-setup/
    • https://github.com/TartanLlama/minidbg
29. Solving GPU noise hum/buzz in external USB audio interfaces - Audio - Linus Tech Tips 2021-10-09

    tags: audio, electronics, hardware/gpu, hiss, hum, serial-communication/usb

    [ permalink ]

    • https://www.nvidia.com/en-us/geforce/forums/3d-vision/41/249476/nvidia-ground-loop-noise-under-load/
    • https://www.avforums.com/threads/resolve-audible-gpu-noise-on-external-usb-audio-interface.2250879/
30. Pi-KVM - Open and cheap DIY IP-KVM on Raspberry Pi 2020-11-30

    tags: hardware, hardware/kvm, keyboard, linux, mouse, raspberry-pi, screen

    [ permalink ]

    • https://github.com/pikvm/pikvm
31. avx-turbo: Test the non-AVX, AVX2 and AVX-512 speeds across various active core counts 2019-12-31

    tags: hardware/cpu, instruction, intel, performance, performance/benchmark, processor

    [ permalink ]

    • https://en.wikipedia.org/wiki/Advanced_Vector_Extensions
    • https://www.intel.com/content/www/us/en/architecture-and-technology/avx-512-overview.html
32. c++ - Performance of built-in types : char vs short vs int vs. float vs. double - Stack Overflow 2019-12-31

    tags: hardware/cpu, memory, performance, processor, programming/c, programming/c++

    [ permalink ]
33. AWS | Enable Enhanced Networking with Elastic Network Adapters for vintage OS AMIs 2019-09-17

    tags: chroot, cloud-computing/aws, linux, linux/debian, linux/kernel, virtualization, virtualization/xen

    [ permalink ]

    Paravirtual (PV) to Hardware Virtual Machine (HVM):

    • https://stackoverflow.com/questions/24330721/amazon-ec2-how-to-convert-an-existing-pv-ami-to-hvm

    ENA support:

    • https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking-ena.html
    • https://forums.aws.amazon.com/thread.jspa?threadID=166135
    • https://aws.amazon.com/premiumsupport/knowledge-center/boot-error-linux-m5-c5/
    • https://bugs.centos.org/view.php?id=14107
    • https://ygrene.tech/how-to-enable-ena-support-for-aws-amis-in-5-steps-and-make-your-bamboo-remote-jobs-really-fast-f2a4254a9955

    Build Debian AMIs from scratch:

    • https://bootstrap-vz.readthedocs.io/en/master/
    • https://github.com/andsens/bootstrap-vz
    • https://www.slideshare.net/JamesBromberger/debian-cloud-building-the-debian-amis
    • https://blog.james.rcpt.to/2012/12/06/official-debian-images-on-amazon-web-services-ec2/

    Squeeze:

    • https://lists.debian.org/debian-cloud/2013/02/msg00023.html

    Wheezy:

    • https://lists.debian.org/debian-cloud/2014/10/msg00009.html
    • https://lists.debian.org/debian-cloud/2014/11/msg00000.html

    Boot to chroot:

    • https://unix.stackexchange.com/questions/85714/boot-into-a-chroot
    • https://wiki.debian.org/chroot
    • https://wiki.debian.org/Debootstrap
    • https://superuser.com/questions/384437/booting-linux-system-from-chroot-is-there-a-better-way-to-do-this/384457#384457
    • https://github.com/lemonsqueeze/boot-chroot
34. hardware mailserver: Simple and full-featured mail server using Docker 2019-09-16

    tags: email, email/dovecot, email/postfix, email/rspamd, email/spam, self-hosting

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    • https://hub.docker.com/r/hardware/mailserver
    • https://github.com/hardware/mailserver/blob/master/docker-compose.sample.yml
35. 0.30000000000000004 2019-09-09

    tags: approximation, arithmetic, float, hardware/ram, memory, programming

    [ permalink ]

    • https://en.wikipedia.org/wiki/Floating-point_arithmetic
    • https://standards.ieee.org/standard/754-2008.html
    • https://stackoverflow.com/questions/588004/is-floating-point-math-broken/588014#588014
    • https://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
36. Network Automation and Programmability Abstraction Layer with Multivendor support 2019-07-15

    tags: automation, ddos, hardware, linux/kernel/ebpf, network, network/router

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    • https://github.com/napalm-automation/napalm
    • https://pynet.twb-tech.com/blog/automation/napalm-ios.html
    • https://blog.cloudflare.com/the-internet-is-hostile-building-a-more-resilient-network/
    • https://blog.ipspace.net/2015/06/napalm-integrating-ansible-with-network.html
37. GPU monitoring with Prometheus 2019-04-27

    tags: hardware/gpu, nvidia, observability, observability/grafana, observability/time-series/prometheus

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    • https://stackoverflow.com/questions/8223811/top-command-for-gpus-using-cuda
    • https://github.com/wookayin/gpustat
    • https://github.com/zhebrak/nvidia_smi_exporter (Go)
    • https://github.com/tankbusta/nvidia_exporter (C, Go)
    • https://github.com/teh/nvidia-smi-prometheus (Haskell)
    • https://github.com/gsperry2011/prometheus/blob/master/nvidia/ewbf_scraper.py (Python)
    • https://grafana.com/dashboards/1500
38. assembly - How to run a program without an operating system? - Stack Overflow 2019-04-26

    tags: bios, embedded, hack, hardware/cpu, operating-system, programming/assembly

    [ permalink ]
39. x86 Instructions | Twitter 2019-02-08

    tags: chip, hardware, hardware/cpu, processor, pun, twitter, wtf

    [ permalink ]
40. xpadneo | Advanced Linux Driver for Xbox One Wireless Controller (shipped with Xbox One S) 2019-02-01

    tags: game, gamepad, hardware, linux, network/wireless/bluetooth, wireless

    [ permalink ]

    • https://github.com/atar-axis/xpadneo/
    • https://aur.archlinux.org/packages/xpadneo-dkms-git/
    • https://www.gamingonlinux.com/articles/xpadneo-is-an-advanced-linux-driver-for-the-xbox-one-s-wireless-gamepad.11875
    • https://askubuntu.com/questions/783587/how-do-i-get-an-xbox-one-controller-to-work-with-16-04-not-steam
    • https://www.reddit.com/r/linux_gaming/comments/63t87i/connecting_xbox_one_s_controllers_with_bluetooth/
    • https://github.com/paroj/xpad
    • https://github.com/360Controller/360Controller