#x86_64 — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #x86_64, aggregated by home.social.
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My assembler is getting x64 and ARM64 smarts. This is the first time it assembles simple arithmetic, writes an ELF64 binary, and then signs off correctly with the right exit code on linux/amd64.
#asm #assembler #amd64 #x86assembly #x86_64 #assembly #assembly64
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My assembler is getting x64 and ARM64 smarts. This is the first time it assembles simple arithmetic, writes an ELF64 binary, and then signs off correctly with the right exit code on linux/amd64.
#asm #assembler #amd64 #x86assembly #x86_64 #assembly #assembly64
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I finished a new round of Chimera Live Images.
You can get 'em from the usual place
Kernel: Linux 7.1.2 for AMD64 & AARCH64 Raspberry Pi image with Linux 6.18.36
- KDE Plasma 6.7.2
- Firefox 152.0.4
- Thunderbird 152.0.1
- Chromium 150.0.7871.46
- Libre Office 26.2.5.1
New in this round. A
SHA256SUMSfile.Verify the images via:
sha256sum --check SHA256SUMS 2>&1 | grep "chimera-linux-ARCH-LIVE-DATE-FLAVOUR.iso" -
Le support du décodage vidéo via #Vulkan arrive enfin dans #Firefox
https://next.ink/brief-article/le-support-du-decodage-video-via-vulkan-arrive-enfin-dans-firefox/Historiquement, #Mozilla désactive par défaut le décodage vidéo matériel pour l’ensemble des cartes NVIDIA sur Linux. Pour pallier cela, la communauté devait s’appuyer sur des solutions de contournement tierces comme le paquet nvidia-vaapi-driver.
L’implémentation, s’appuyant sur le support de décodage Vulkan de #FFmpeg, vise à éliminer le besoin de ces pilotes intermédiaires. Initialement motivé par le besoin d’apporter le décodage matériel sur les architectures #ARM64 ce chantier profite aux configurations #x86_64 équipées de GPU NVIDIA.
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Le support du décodage vidéo via #Vulkan arrive enfin dans #Firefox
https://next.ink/brief-article/le-support-du-decodage-video-via-vulkan-arrive-enfin-dans-firefox/Historiquement, #Mozilla désactive par défaut le décodage vidéo matériel pour l’ensemble des cartes NVIDIA sur Linux. Pour pallier cela, la communauté devait s’appuyer sur des solutions de contournement tierces comme le paquet nvidia-vaapi-driver.
L’implémentation, s’appuyant sur le support de décodage Vulkan de #FFmpeg, vise à éliminer le besoin de ces pilotes intermédiaires. Initialement motivé par le besoin d’apporter le décodage matériel sur les architectures #ARM64 ce chantier profite aux configurations #x86_64 équipées de GPU NVIDIA.
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System call instrumentation on Linux/x86‑64 using memory‑indirect calls, part I
#HackerNews #systemcall #instrumentation #linux #x86_64 #memoryindirect #calls #hacking
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System call instrumentation on Linux/x86‑64 using memory‑indirect calls, part I
#HackerNews #systemcall #instrumentation #linux #x86_64 #memoryindirect #calls #hacking
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The latest KDE Plasma Desktop 6.7 running on Chimera Linux on a Raspberry Pi 500+ 16GB and a GMKtec NucBox G3 Plus 32GB
#chimeralinux #screenshot #linux #kde #kdeplasma #raspberrypi #inteln150 #aarch64 #amd64 #x86_64 #screenshotsaturday
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Canonical reanuda las pruebas con los paquetes x86_64-v3 y pone sus miradas para que Ubuntu 26.10 los soporte oficialmente. ¿Cuándo Canonical inició dichas pruebas? ¿Cómo se puede habilitar dicha compatibilidad en Ubuntu?
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Anyone hosting #Virtualbox on #x86_64 architecture running #AlpineLinux willing to share installation tips?
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Investigating Split Locks on x86-64
https://chipsandcheese.com/p/investigating-split-locks-on-x86
#HackerNews #SplitLocks #x86_64 #CPUArchitecture #HardwareSecurity #TechInvestigation
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Investigating Split Locks on x86-64
https://chipsandcheese.com/p/investigating-split-locks-on-x86
#HackerNews #SplitLocks #x86_64 #CPUArchitecture #HardwareSecurity #TechInvestigation
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👾 Ah, the unbridled audacity of creating a "useful" x86-64 #ELF executable in a whole 301 bytes! Truly the pinnacle of modern computing—if your goal is to impress no one and achieve nothing. 🚀 Meanwhile, #GitHub continues its quest to overcomplicate everything with features that no one asked for. 😂
https://github.com/meribold/btry #x86_64 #301bytes #overcomplication #modern_computing #HackerNews #ngated -
👾 Ah, the unbridled audacity of creating a "useful" x86-64 #ELF executable in a whole 301 bytes! Truly the pinnacle of modern computing—if your goal is to impress no one and achieve nothing. 🚀 Meanwhile, #GitHub continues its quest to overcomplicate everything with features that no one asked for. 😂
https://github.com/meribold/btry #x86_64 #301bytes #overcomplication #modern_computing #HackerNews #ngated -
A (marginally) useful x86-64 ELF executable in 301 bytes
https://github.com/meribold/btry
#HackerNews #x86_64 #ELF #executable #coding #minimalist #programming #HackerNews #btry
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A (marginally) useful x86-64 ELF executable in 301 bytes
https://github.com/meribold/btry
#HackerNews #x86_64 #ELF #executable #coding #minimalist #programming #HackerNews #btry
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🚀🎉 #JSLinux now supports #x86_64, because running outdated operating systems in your #browser is exactly what everyone was asking for! 🤔👌 Experience the thrill of Alpine Linux and the #nostalgia of Windows 2000 in glorious console mode, because who needs modernity when you can have retro-tech headaches instead? 🤓🔧
https://bellard.org/jslinux/ #retro #computing #tech #innovation #HackerNews #ngated -
🚀🎉 #JSLinux now supports #x86_64, because running outdated operating systems in your #browser is exactly what everyone was asking for! 🤔👌 Experience the thrill of Alpine Linux and the #nostalgia of Windows 2000 in glorious console mode, because who needs modernity when you can have retro-tech headaches instead? 🤓🔧
https://bellard.org/jslinux/ #retro #computing #tech #innovation #HackerNews #ngated -
https://godbolt.org/z/nn967Wdb9
Nova Lake is live on Godbolt. We are still early.
I took the latest Clang/GCC trunk for a spin on Godbolt, and-march=novalakeis officially here.
If the rumors hold true, we are looking at the single biggest architectural jump in Intel's history.
With the arrival of Intel APX, the x86-64 ISA is finally getting the modernization it deserves. Several notable things are:
- 16 New GPRs (%r16-%r31).
- NDD (New Data Destination): 3-operand instructions help stop wasting cycles onmovto preserve src/dst registers.
-push2/pop2: Push and pop two registers at once.
-jmpabs: 64-bit jumps.
- NF Suppression: Math ops without touching%rflags.
-ccmp: Conditional comparisons, branchless code.
- and several other new instructions.
Additionally, with the AVX10 support, Intel will officially restore AVX-512 capabilities to its consumer lineup for the first time since Tiger Lake in 2020.
Both P-core and E-core will support AVX-512.
#x86 #x86_64 #apx #llvm #clang #gcc -
LLVM Bug: x86-64 inline assembly fails with "symbol is already defined" for local labels under optimization (-O1+)
When compiling x86-64 inline assembly that contains explicitly named local labels (e.g., `.Lcoro_resume_task_ret_addr`), Clang throws a "symbol is already defined" error if optimizations (-O1, -O2, -O3) are enabled. The exact same code compiles successfully at -O0 in Clang, and works perfectly across all optimization levels in GCC.
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#computers #laptops #linux #x86_64 Is it wrong that I am using the bottom half of a ultra thin laptop/notebook (I hate the term notebook), without the original monitor because it still works, and I've named it "Slabby"? 🤣
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Библиотека JIT-компиляции Loops для оптимизации нейросетей, СУБД и не только
Привет, Хабр! Меня зовут Пётр Чекмарёв, я старший инженер компании YADRO, занимаюсь компьютерным зрением на мобильных устройствах и низкоуровневой оптимизацией плотных вычислительных функций. Оптимизация кода — вечная тема, особенно актуальная в дни триумфального шествия искусственного интеллекта. Оптимально написанные, но изолированные ядра сетей составляются в разные последовательности в зависимости от архитектуры модели. Однако, если дать им информацию друг о друге во время компиляции, сеть удастся заметно ускорить. Выгружать программу для перекомпиляции, будь она движком инференса или СУБД — бессмысленно, поэтому компилировать надо во время работы, Just-In-Time. В предыдущей статье AI-дивизиона YADRO Илья Знаменский рассказывал про JIT на базе Xbyak. В продолжении темы, я расскажу про пет-проект векторной JIT-кодогенерации, который я веду, и покажу, как она может помогать в оптимизации.
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New platform just dropped
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High-performance header-only container library for C++23 on x86-64
https://github.com/kressler/fast-containers
#HackerNews #HighPerformance #C++23 #Containers #HeaderOnly #x86_64 #FastContainers
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High-performance header-only container library for C++23 on x86-64
https://github.com/kressler/fast-containers
#HackerNews #HighPerformance #C++23 #Containers #HeaderOnly #x86_64 #FastContainers
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@rachelplusplus @hailey I remember the big drawback of x32 ABI being that to realize full gain, you'd need to recompile all applications, including the proprietary ones. Otherwise, you end up needing to keep the system libraries for x86 and x86-64 in memory while running processes that use those ABIs. Fine for embedded, not so fine for the more heterogeneous application mix on desktop. Was this solved?
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@rachelplusplus @hailey I remember the big drawback of x32 ABI being that to realize full gain, you'd need to recompile all applications, including the proprietary ones. Otherwise, you end up needing to keep the system libraries for x86 and x86-64 in memory while running processes that use those ABIs. Fine for embedded, not so fine for the more heterogeneous application mix on desktop. Was this solved?
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⚙️🎩 "Omg, who knew comparing #ARM64 vs. #x86_64 in 2025 would be this groundbreaking? 😱 Spoiler: CPUs are still different, and Node.js, #Python, and #Rust haven't turned into toasters. 🍞"
https://chrisebert.net/comparing-aws-lambda-arm64-vs-x86_64-performance-across-multiple-runtimes-in-late-2025/ #CPUcomparison #Nodejs #HackerNews #ngated -
⚙️🎩 "Omg, who knew comparing #ARM64 vs. #x86_64 in 2025 would be this groundbreaking? 😱 Spoiler: CPUs are still different, and Node.js, #Python, and #Rust haven't turned into toasters. 🍞"
https://chrisebert.net/comparing-aws-lambda-arm64-vs-x86_64-performance-across-multiple-runtimes-in-late-2025/ #CPUcomparison #Nodejs #HackerNews #ngated -
Comparing AWS Lambda ARM64 vs. x86_64 Performance Across Runtimes in Late 2025
#HackerNews #AWSLambda #ARM64 #x86_64 #Performance #Runtimes #2025
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Comparing AWS Lambda ARM64 vs. x86_64 Performance Across Runtimes in Late 2025
#HackerNews #AWSLambda #ARM64 #x86_64 #Performance #Runtimes #2025
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Discover FEX-Emu, the userspace emulator that allows you to run x86 and x86-64 applications on ARM64 Linux devices.
More details here: https://ostechnix.com/fex-emu-run-x86-and-x86-64-apps-on-arm64-linux-devices/
#FexEmu #Fex #Emulator #ARM64 #Linux #X86 #X86_64 #Gaming #Opensource
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Discover FEX-Emu, the userspace emulator that allows you to run x86 and x86-64 applications on ARM64 Linux devices.
More details here: https://ostechnix.com/fex-emu-run-x86-and-x86-64-apps-on-arm64-linux-devices/
#FexEmu #Fex #Emulator #ARM64 #Linux #X86 #X86_64 #Gaming #Opensource
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go-simd-softmax
Is a Go-oriented SIMD/avx softmax implementation with optimisations in amd64 / x64 assembler.
Up to 3.5x faster than equivalent function written using stdlib only. See benchmarks.
https://github.com/ha1tch/go-simd-softmax?tab=readme-ov-file#simd-accelerated-softmax
#go #foss #softmax #asm #assembler #x86_64 #x64 #amd64 #assembly #golang
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go-simd-softmax
Is a Go-oriented SIMD/avx softmax implementation with optimisations in amd64 / x64 assembler.
Up to 3.5x faster than equivalent function written using stdlib only. See benchmarks.
https://github.com/ha1tch/go-simd-softmax?tab=readme-ov-file#simd-accelerated-softmax
#go #foss #softmax #asm #assembler #x86_64 #x64 #amd64 #assembly #golang
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x86-64 Playground – An online assembly editor and GDB-like debugger
https://x64.halb.it/
#ycombinator #Gdb #x86_64 #x64 #CTF #assembly #debugger #Fasm #Binutils #webassembly #wasm_binutils #wasm_assembler -
x86-64 Playground – An online assembly editor and GDB-like debugger
https://x64.halb.it/
#ycombinator #Gdb #x86_64 #x64 #CTF #assembly #debugger #Fasm #Binutils #webassembly #wasm_binutils #wasm_assembler -
bim assembly detection
The barely improved editor now adds better heuristics to detect what flavour of assembly language you're using and what architecture you're working on, so it can provide better highlighting appropriate for the platform you're writing code for. It's not perfect, but it now computes a score if it can't tell right away, and decides based on that combination of factors.
It mostly works for x86/64, Z80, and ARM. I probably should get around to adding 6502, 68000, MIPS, and a few others next. 🙂
#bim #asm #assembly #assembler #retrocomputing #z80 #foss #golang #x86 #x86assembly #x86_64 #arm #arm64
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bim assembly detection
The barely improved editor now adds better heuristics to detect what flavour of assembly language you're using and what architecture you're working on, so it can provide better highlighting appropriate for the platform you're writing code for. It's not perfect, but it now computes a score if it can't tell right away, and decides based on that combination of factors.
It mostly works for x86/64, Z80, and ARM. I probably should get around to adding 6502, 68000, MIPS, and a few others next. 🙂
#bim #asm #assembly #assembler #retrocomputing #z80 #foss #golang #x86 #x86assembly #x86_64 #arm #arm64
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I did a write-up on the information I could find on Intel's defunct 64bit extensions:
https://soc.me/interfaces/intels-original-64bit-extensions-for-x86
If you are interested in obscure ISA extensions that never shipped, that article is for you!