[B! x86] masterqã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

masterq id:masterq

x86ã«é–¢ã™ã‚‹masterqã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (74)

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GitHub - intel/intel-lpmd
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masterq 2024/06/16
intel

cpu

power

linux

idle

x86
ãƒªãƒ³ã‚¯
ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’é€Ÿãæ¼ã‚Œãªããƒ•ãƒƒã‚¯ã™ã‚‹æ–¹æ³• | IIJ Engineers Blog
ptraceã€Syscall User Dispatchï¼šã‚«ãƒ¼ãƒãƒ«ãŒæä¾›ã—ã¦ã„ã‚‹ ptrace ã‚„ Syscall User Dispatch ã®ã‚ˆã†ãªæ©Ÿèƒ½ã¯ã€ãƒ¦ãƒ¼ã‚¶ç©ºé–“ã§ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã®ãƒ•ãƒƒã‚¯ã‚’å®Ÿè£…ã™ã‚‹ãŸã‚ã«åˆ©ç”¨ã§ãã¾ã™ã€‚ã§ã™ãŒã€ã“ã‚Œã‚‰ã‚’åˆ©ç”¨ã™ã‚‹ã¨ã€å…ƒã®ãƒ¦ãƒ¼ã‚¶ç©ºé–“ãƒ—ãƒã‚°ãƒ©ãƒ å†…éƒ¨ã§ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«å‘¼ã³å‡ºã—ã®ã‚³ã‚¹ãƒˆãŒå¤§ãããªã‚Šã€çµæžœã¨ã—ã¦ã€æ€§èƒ½ãŒå¤§ããåŠ£åŒ–ã—ã¦ã—ã¾ã„ã¾ã™ã€‚ï¼ˆè¦ä»¶ï¼‘ã‚’æº€ãŸã›ãªã„ï¼‰ eBPFÂ ï¼šeBPF ã®ã‚ˆã†ãªã‚«ãƒ¼ãƒãƒ«å†…ã®é–¢æ•°ã¸ãƒ•ãƒƒã‚¯ã‚’é©ç”¨ã§ãã‚‹ä»•çµ„ã¿ã‚‚ã‚ã‚Šã¾ã™ãŒã€eBPF ã¯ XDP ã®ã‚ˆã†ãªå ´åˆã‚’é™¤ãã¨ã€åŸºæœ¬çš„ã«ã‚«ãƒ¼ãƒãƒ«ã®æŒ™å‹•ã‚’å¤‰æ›´ã™ã‚‹ãŸã‚ã«ã¯åˆ©ç”¨ã§ããªã„ãŸã‚ã€ã‚«ãƒ¼ãƒãƒ«æ©Ÿèƒ½ã‚’ãƒ¦ãƒ¼ã‚¶ç©ºé–“ã§ã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ãƒˆã™ã‚‹ã€ã¨ã„ã£ãŸç”¨é€”ã«ã¯é©ã—ã¦ã„ã¾ã›ã‚“ã€‚(è¦ä»¶ï¼•ã‚’æº€ãŸã›ãªã„) ãƒ©ã‚¤ãƒ–ãƒ©ãƒªé–¢æ•°ã®ç½®ãæ›ãˆï¼šæ¨™æº–ãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼ˆlibc ç‰ï¼‰ã¯ã€æ²¢å±±ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã®ãƒ©ãƒƒãƒ‘ãƒ¼ãƒ©ã‚¤ãƒ–ãƒ©ãƒªé–¢æ•°ã‚’å®Ÿè£…ã—ã¦ãŠ
masterq 2023/07/21
x86

intel

linux

syscall

hook
ãƒªãƒ³ã‚¯
GitHub - janestreet/magic-trace: magic-trace collects and displays high-resolution traces of what a process is doing
magic-trace collects and displays high-resolution traces of what a process is doing. People have used it to: figure out why an application running in production handles some requests slowly while simultaneously handling a sea of uninteresting requests, look at what their code is actually doing instead of what they think it's doing, get a history of what their application was doing before it crashe
masterq 2023/07/21
"The key difference from perf is that instead of sampling call stacks throughout time, magic-trace uses Intel Processor Trace to snapshot a ring buffer of all control flow leading up to a chosen point in time"

ocaml

intel

x86

trace

gui
ãƒªãƒ³ã‚¯
GitHub - ggerganov/ggml: Tensor library for machine learning
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masterq 2023/06/08
ai

simd

x86

avx

gpt

nogpu
ãƒªãƒ³ã‚¯
ç¬¬4ä¸–ä»£ã‚¤ãƒ³ãƒ†ãƒ«Xeonã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãƒ»ãƒ—ãƒã‚»ãƒƒã‚µãƒ¼ã®ã‚ãƒ¢ã¨ãªã‚‹ã€Œã‚¢ã‚¯ã‚»ãƒ©ãƒ¬ãƒ¼ã‚¿ã€ã¨ã¯ä½•ãªã®ã‹ï¼Ÿ ï½ž5Gã‚‚ã‚¯ãƒ©ã‚¦ãƒ‰ã‚µãƒ¼ãƒ“ã‚¹ã‚‚ã€ç¤¾ä¼šåŸºç›¤ã‚’åºƒç¯„ã«æ”¯ãˆã‚‹ã‚¤ãƒ³ãƒ†ãƒ«CPU[Sponsored]
masterq 2023/03/22
intel

x86

cpu

ã‚ã¨ã§èªã‚€

5g
ãƒªãƒ³ã‚¯
GitHub - WerWolv/ImHex: ðŸ” A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.
Featureful hex view Byte patching Patch management Infinite Undo/Redo "Copy bytes as..." Bytes Hex string C, C++, C#, Rust, Python, Java & JavaScript array ASCII-Art hex view HTML self-contained div Simple string and hex search Goto from start, end and current cursor position Colorful highlighting Configurable foreground highlighting rules Background highlighting using patterns, find results and b
masterq 2022/11/08
"ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãŸã‚ã®ãƒã‚¤ãƒŠãƒªã‚¨ãƒ‡ã‚£ã‚¿ã€‚ãƒã‚¤ãƒŠãƒªã®ãƒ‘ãƒƒãƒç®¡ç†ã€å¼·åŠ›ãªãƒ‘ã‚¿ãƒ¼ãƒ³ãƒžãƒƒãƒãƒ³ã‚°ã€å¤šæ•°ã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ (x86, ARM, MISC, RISC-V, wasm, bpf, Ethereumãªã©) ã«å¯¾å¿œã—ãŸé€†ã‚¢ã‚»ãƒ³ãƒ–ãƒ©ãªã©ã‚’å‚™ãˆã¦ã„ã‚‹"

binary

editor

ui

gui

elf

x86

arm

mips

risc-v

wasm
ãƒªãƒ³ã‚¯
(M1/Apple Silicon)MacãªäººãŸã¡ã«è´ˆã‚‹ç’°å¢ƒæ§‹ç¯‰Tipsé›†(Dotfilesä»˜ã) - Qiita
ðŸ™‡ðŸ»â€â™‚ï¸ã¯ã˜ã‚ã«ðŸ™‡ðŸ»â€â™‚ï¸ ã“ã®è¨˜äº‹ã¯å¼Šç¤¾ã®2021å¹´åº¦Advent Calendarã«å‘ã‘ã¦åŸ·ç†ã—ãŸã‚‚ã®ã§ã™ã€‚ã©ã†ã„ã†è¨˜äº‹ã«ã™ã‚‹ã‹å°‘ã—æ‚©ã‚“ã ã®ã§ã™ãŒã€ã‚„ã¯ã‚ŠAdvent Calendarã§ã¯å®Ÿç”¨çš„ãªè¨˜äº‹ã®æ–¹ãŒãƒ—ãƒ¬ã‚¼ãƒ³ãƒˆæ„ŸãŒã‚ã£ã¦ã„ã„ã‹ãªãƒ¼ã€ã¨æ€ã„ã“ã®è¨˜äº‹ã‚’æ›¸ãã“ã¨ã«ã—ã¾ã—ãŸã€‚ ðŸ’ªãƒ¢ãƒãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ðŸ’ª Macã‚’åˆ©ç”¨ã—ã¦ã„ã‚‹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æ–¹ã¯ã‹ãªã‚Šå¤šã„ã¨æ€ã„ã¾ã™ãŒã€ç§ã®è¦³æ¸¬ç¯„å›²ã§ã¯ã€ç’°å¢ƒã‚’ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã—ã¾ãã‚‹å‹¢ã¨ã»ã¼ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®ã¾ã¾ä½¿ã£ã¦ã‚‹å‹¢ã«äºŒåˆ†ã•ã‚Œã¦ã„ã‚‹ã‚ˆã†ã«æ€ã„ã¾ã™ã€‚ã€Œã“ã†ã„ã†è¨å®šå…¥ã‚Œã¨ãã¨ä¾¿åˆ©ã£ã™ã‚ˆã€ã¿ãŸã„ãªã“ã¨ã‚’ã„ã‚ã‚“ãªäººã«ãŠä¼ãˆã—ãŸã“ã¨ãŒã‚ã£ãŸã®ã§ã€ä»Šå¾Œã¯ã“ã®è¨˜äº‹ã¿ã‚‹ã¨ã„ã„ã‚ˆã€ã£ã¦è¨€ãˆã‚Œã°ã„ã„ã‹ã‚‚ãªãƒ¼ã€ã¨æ€ã£ã¦ã„ã‚‹æ„Ÿã˜ã§ã™ã€‚ã£ã¦è¨€ã£ã¦ã‚‚å¤§ã—ãŸã“ã¨ã‚„ã£ã¦ãªã„ã®ã§å‡„è…•ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æ–¹ã€…ã¯ã€Œãªã‚“ã ã‚ˆã€ã“ã‚Œã€çŸ¥ã£ã¦ã‚‹ã“ã¨ã°ã£ã‹ãªã‚“ã ã‘ã©wã€ã£ã¦ãªã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã®ã§ãƒ–ãƒ©ã‚¦ã‚¶ãƒãƒƒã‚¯ã§ãŠ
masterq 2022/07/19
brewã¨Rosetta2ã®ä½¿ã„æ–¹å‚è€ƒã«ãªã‚‹

m1

macos

osx

dotfiles

conf

x86

arm

brew

rosetta
ãƒªãƒ³ã‚¯
x64dbg
Open-source Intuitive and familiar, yet new user interface C-like expression parser Full-featured debugging of DLL and EXE files (TitanEngine) IDA-like sidebar with jump arrows IDA-like instruction token highlighter (highlight registers, etc.) Memory map Symbol view Thread view Source code view Graph view Content-sensitive register view Fully customizable color scheme Dynamically recognize modules
masterq 2021/11/27
windows

x86

amd64

assembler

gui

debug

oss

opensouce
ãƒªãƒ³ã‚¯
How to compile 32-bit program on 64-bit gcc in C and C++ - GeeksforGeeks
masterq 2021/11/27
-m32ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä»Šã¾ã§çŸ¥ã‚‰ãªã‹ã£ãŸ

gcc

x86

amd64

compile

compiler

64bit

32bit

i386
ãƒªãƒ³ã‚¯
iMops-forth @Wiki
é€æ¬¡æ‹¡å¼µåž‹ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–é–‹ç™ºç’°å¢ƒã‚’ä½œæˆã—ã¾ã—ãŸã€‚iMops (ã‚¢ã‚¤ãƒ»ãƒ¢ãƒƒãƒ—ã‚¹)ã¨ã„ã†åå‰ã§ã™ã€‚ç„¡æ–™ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã™ã€‚ ã“ã“ã‹ã‚‰ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã§ãã¾ã™ã€‚ç¾åœ¨ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯2.23ã§ã™(2022/2/5)ã€‚ Macintoshã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ï¼ˆMacOS[X]ï¼‰å°‚ç”¨ã§ã™ãŒã€ç›¸å½“ç¨‹åº¦æœ€é©åŒ–ã•ã‚ŒãŸx86-64ãƒžã‚·ãƒ³ã‚³ãƒ¼ãƒ‰ã‚’ç”Ÿæˆã—ã¾ã™ã€‚ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ã«ä¸€èªžä¸€èªžï¼ˆ=å„é–¢æ•°æ¯Žã«ï¼‰ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«-è§£é‡ˆå®Ÿè¡Œã§ãã¾ã™ã€‚JITã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã¨ã‹ã„ã†ã‚‚ã®ã«ãªã‚‹ã®ã§ã—ã‚‡ã†ã‹ã€‚Cocoaãªã©ä¸€èˆ¬ã®å‹•çš„ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã«ãƒªãƒ³ã‚¯ã§ãã¾ã™ã€‚å˜ç‹¬ã§èµ·å‹•å¯èƒ½ãªã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½œã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚64ãƒ“ãƒƒãƒˆã®ã¿ã§ã™ãŒå‹•çš„ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚‚ç”Ÿæˆã§ãã¾ã™ã€‚æœ€æ–°ã®macOSä¸Šã§ã‚‚ç¨¼åƒã™ã‚‹ã‚ˆã†ã§ã™ï¼ˆç¢ºèªæ¸ˆï¼‰ã€‚ï¼ˆãªãŠã€Appleç¤¾ãŒã€Macã®å…¨CPUã‚’äºŒå¹´ã§ARMä»•æ§˜ã«å¤‰æ›´ã™ã‚‹ã¨å®£è¨€ã—ãŸã“ã¨ã«å¯¾å¿œã—ã¦ã€ARM64ãƒ“ãƒƒãƒˆãƒã‚¤ãƒ†ã‚£ãƒ–ã®Mopsã®é–‹ç™ºè¨ˆç”»ãŒé€²è¡Œ
masterq 2021/08/28
x86ãƒžã‚·ãƒ³ã‚³ãƒ¼ãƒ‰ã‚’ç”Ÿæˆã™ã‚‹Forthã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã€‚macOSä¸Šã§å‹•ãã€‚èª¬æ˜Žã¨å®Ÿè£…ã«ãŠã‘ã‚‹æ‰€æ„ŸãŒã‹ãªã‚Šç´°ã‹ã„

forth

doc

compiler

osx

x86

intel

japanese
ãƒªãƒ³ã‚¯
ChromiumOS Docs - constants/syscalls.md
masterq 2021/07/23
chrome

os

linux

kernel

system

call

syscall

arm

x86

intel
ãƒªãƒ³ã‚¯
iSH
Wait, what's iSH? iSH is a project to get a Linux shell environment running locally on your iOS device, using a usermode x86 emulator. iPadOS? You bet. iSH also runs on iPad, bringing a terminal to larger displays as well.
masterq 2021/05/12
Androidã®Termuxã¿ãŸã„ãªä½•ã‹ã€‚vimã‚‚ä½¿ãˆãã†ã€‚

x86

emulator

ios

iphone

shell

linux

vim
ãƒªãƒ³ã‚¯
GitHub - nanochess/cubicDoom: A ray-casting game in 512 bytes of x86 machine code
_____ _ _ ______ _____ ________ ___ / __ \ | | (_) | _ \ _ || _ | \/ | | / \/_ _| |__ _ ___| | | | | | || | | | . . | | | | | | | '_ \| |/ __| | | | | | || | | | |\/| | | \__/\ |_| | |_) | | (__| |/ /\ \_/ /\ \_/ / | | | \____/\__,_|_.__/|_|\___|___/ \___/ \___/\_| |_/ CubicDoom, a ray-casting game that fits in a boot sector (510 bytes) by Oscar Toledo G. Nov/25/2019 http://nanochess.org https://g
masterq 2020/12/26
game

3d

x86

intel

assembler

small

tiny

nasm
ãƒªãƒ³ã‚¯
x86ã‚ˆãã§ãã¦ã‚‹ç‚¹ - w_oâ€™s diary
ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã¨å®Ÿè£…æ··ã–ã£ã¦ã‚‹ã‘ã© å‘½ä»¤dispãŒ32bitå±Šã immã‚‚32bitå…¥ã‚‹ã“ã¨ãŒå¤šã„ ãƒ¡ãƒ¢ãƒªãŒé †åºå®ˆã‚‹(ä½•å›žã‚‚æ›¸ããŒã€ãƒ¡ãƒ¢ãƒªé †åºãŒç·©ã„ã“ã¨ã«ã‚ˆã£ã¦å¾—ã‚‰ã‚ŒãŸCPUæ™‚é–“ã‚ˆã‚Šå¤±ãªã£ãŸäººé–“æ™‚é–“ã®ã»ã†ãŒçµ¶å¯¾å¤šã„ã‹ã‚‰) ãƒ•ã‚¡ãƒ¼ãƒ ã‚¦ã‚§ã‚¢ãŒBIOSã¨UEFIã®äºŒç¨®é¡žã—ã‹ãªã„ (ãƒœãƒ¼ãƒ‰ã”ã¨ã«ã‚«ãƒ¼ãƒãƒ«ã«ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªä½œã‚‹ã®ã‚„ã‚ã‚ARM) å‘¨è¾ºãƒ‡ãƒã‚¤ã‚¹ãŒPCIã«çµ±ä¸€ã•ã‚Œã¦ã¦ã‚ãƒ£ãƒƒã‚·ãƒ¥ã®å•é¡ŒãŒèµ·ã“ã‚Šã¥ã‚‰ã„(ã‚‚ã†dma_alloc_coherentã®æŒ™å‹•èª¿ã¹ã‚‹ã®é£½ããŸ) ã‚ãƒ£ãƒƒã‚·ãƒ¥ãŒã‚½ãƒ•ãƒˆçš„ã«è¦‹ã‚Œã°ä¸€éšŽå±¤ (L2ã®æŒ™å‹•ãŒå®šç¾©ã•ã‚Œã¦ãªã„ARMã¨ã‹ã„ã†ç„¡åCPU) é™¤ç®—ã¨FPUãŒä»˜ã„ã¦ã‚‹ ABIãŒWiné™¤ã‘ã°32bitã¨64bitã¨x32ã®3ç¨®é¡žã—ã‹ãªã„ã€‚ PCIe ãŒã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚¹ãƒŒãƒ¼ãƒ—ä»˜ã‘ã¦ãƒ•ãƒ«ã‚¹ãƒ”ãƒ¼ãƒ‰è¿‘ãå‡ºã‚‹ lock cmpxchg ãŒé…ããªã„ *fence ãŒé…ããªã„ ã“ã†ã„ã†å•é¡Œã§åˆ¥ã®ã‚¢ãƒ¼ã‚ãŒx8
masterq 2020/12/01
doc

japanese

intel

cpu

x86

assembler

memory
ãƒªãƒ³ã‚¯
Intelè£½CPUã«ã€Œæ¶ˆè²»é›»åŠ›ã®ç›£è¦–ãƒ‡ãƒ¼ã‚¿ã€ã‹ã‚‰æš—å·åŒ–ã‚ãƒ¼ã‚’è§£èªã•ã‚Œã‚‹è„†å¼±æ€§ãŒåˆ¤æ˜Ž
Intelè£½CPUã«ã‚³ã‚¢ã®æ¶ˆè²»é›»åŠ›ã‹ã‚‰æš—å·åŒ–ã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ã®è§£èªãªã©ã‚’è¡Œã†ã‚µã‚¤ãƒ‰ãƒãƒ£ãƒãƒ«æ”»æ’ƒã‚’è¨±ã™è„†å¼±æ€§ã€ŒPLATYPUSã€ãŒåˆ¤æ˜Žã—ã¾ã—ãŸã€‚ä¸€èˆ¬çš„ãªã‚µã‚¤ãƒ‰ãƒãƒ£ãƒãƒ«æ”»æ’ƒã®ã‚ˆã†ã«ã‚ªã‚·ãƒã‚¹ã‚³ãƒ¼ãƒ—ã‚’ä½¿ã£ãŸæ¶ˆè²»é›»åŠ›ã®ç‰©ç†çš„ãªæ¸¬å®šã¯å¿…è¦ãªãã€OSã‹ã‚‰åˆ©ç”¨ã§ãã‚‹ã€Œæ¶ˆè²»é›»åŠ›ãƒ¢ãƒ‹ã‚¿ãƒ¼æ©Ÿèƒ½ã€ã®ã¿ã§æ”»æ’ƒãŒå¯èƒ½ã ã¨å ±å‘Šã•ã‚Œã¦ã„ã¾ã™ã€‚ PLATYPUS: With Great Power comes Great Leakage https://platypusattack.com/ INTEL-SA-00389 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html Intel SGX defeated yet againâ€”this time thanks to on-chip power meter |
masterq 2020/11/11
"ä¸€èˆ¬çš„ãªã‚µã‚¤ãƒ‰ãƒãƒ£ãƒãƒ«æ”»æ’ƒã®ã‚ˆã†ã«ã‚ªã‚·ãƒã‚¹ã‚³ãƒ¼ãƒ—ã‚’ä½¿ã£ãŸæ¶ˆè²»é›»åŠ›ã®ç‰©ç†çš„ãªæ¸¬å®šã¯å¿…è¦ãªãã€OSã‹ã‚‰åˆ©ç”¨ã§ãã‚‹ã€Œæ¶ˆè²»é›»åŠ›ãƒ¢ãƒ‹ã‚¿ãƒ¼æ©Ÿèƒ½ã€ã®ã¿ã§æ”»æ’ƒãŒå¯èƒ½"

intel

x86

secure

security

power

sgx
ãƒªãƒ³ã‚¯
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ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºã«ãŠã„ã¦ã€Œãƒ•ã‚¡ã‚¤ãƒ«ã®èªã¿æ›¸ãã€ã¯ä½¿ç”¨é »åº¦ã®é«˜ã„æ“ä½œã§ã‚ã‚Šã€é€Ÿåº¦ã®å‘ä¸Šã¯ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢å…¨ä½“ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«å¤§ããå½±éŸ¿ã—ã¾ã™ã€‚ãã‚“ãªãƒ•ã‚¡ã‚¤ãƒ«ã®èªã¿æ›¸ãæ“ä½œã‚’è¡Œã†éš›ã«ã€Œmmapã‚’ä½¿ã£ãŸæ–¹ãŒé€šå¸¸ã®ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚ˆã‚Šã‚‚é«˜é€Ÿã«ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ“ä½œã§ãã‚‹ç†ç”±ã€ã«ã¤ã„ã¦ã€ãƒ–ãƒªãƒ†ã‚£ãƒƒã‚·ãƒ¥ã‚³ãƒãƒ³ãƒ“ã‚¢å¤§å¦ã®å‡†æ•™æŽˆã§ã‚ã‚‹Alexandra Fedorovaæ°ãŒèª¬æ˜Žã—ã¦ã„ã¾ã™ã€‚ Why mmap is faster than system calls | by Alexandra (Sasha) Fedorova | Medium https://sasha-f.medium.com/why-mmap-is-faster-than-system-calls-24718e75ab37 OSä¸Šã§ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã™ã‚‹éš›ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ã€Œãƒ¦ãƒ¼ã‚¶ãƒ¼ç©ºé–“ã€ã¨ã€Œã‚«ãƒ¼ãƒãƒ«ç©ºé–“ã€ã¨å‘¼ã°ã‚Œã‚‹2ç¨®é¡žã®é ˜åŸŸã‚’åˆ©ç”¨ã—ã¾ã™ã€‚
masterq 2020/10/31
AVXã«å¯¾å¿œã™ã‚Œã°mmapã‚’ä½¿ã‚ãªãã¦ã‚‚é€Ÿããªã‚‹ã‚“ã§ã™ï¼Ÿ

mmap

linux

simd

avx

intel

x86
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ãƒã‚°ã‚¤ãƒ³ - ZDNET Japan
â– ZDNET Japan Headlineã®è³¼èª ZDNET Japanã®æœ€æ–°ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’ãŠå±Šã‘ã—ã¾ã™ï¼ˆå¹³æ—¥æ¯Žæ—¥é…ä¿¡ï¼‰ã€‚ã¾ãŸã€ä¼æ¥ã‹ã‚‰ã®ãŠå½¹ç«‹ã¡æƒ…å ±ã‚‚ä¸å®šæœŸã§ãŠå±Šã‘ã—ã¦ã„ã¾ã™ã€‚[ã‚µãƒ³ãƒ—ãƒ«ã¯ã“ã¡ã‚‰] â– ãƒ›ãƒ¯ã‚¤ãƒˆãƒšãƒ¼ãƒ‘ãƒ¼ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãƒ¼ã®åˆ©ç”¨ è£½å“æƒ…å ±ã‚„æŠ€è¡“ç´¹ä»‹ã€å°Žå…¥äº‹ä¾‹ãªã©ã€ä¼æ¥ã®ITã”æ‹…å½“è€…ãŒè£½å“ã‚„ã‚µãƒ¼ãƒ“ã‚¹ã‚’è³¼å…¥ã™ã‚‹éš›ã®å‚è€ƒã«ãªã‚‹è³‡æ–™ï¼ˆPDFãªã©ï¼‰ã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ã„ãŸã ã‘ã¾ã™ã€‚ â– ä¼æ¥æƒ…å ±ã‚»ãƒ³ã‚¿ãƒ¼ã®åˆ©ç”¨ ã‚ãªãŸãŒä¼æ¥ã®ãƒžãƒ¼ã‚±ãƒ†ã‚£ãƒ³ã‚°æ‹…å½“è€…ãªã‚‰ã€ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ã€ã‚¤ãƒ™ãƒ³ãƒˆæƒ…å ±ã€ä¼šç¤¾æƒ…å ±ã€ãƒ›ãƒ¯ã‚¤ãƒˆãƒšãƒ¼ãƒ‘ãƒ¼ãªã©ã‚’æœæ—¥ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ãŒé‹å–¶ã™ã‚‹å„ã‚µã‚¤ãƒˆã«æŽ²è¼‰ã™ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã™ã€‚ãªãŠã”åˆ©ç”¨ã«ã¯CNET_IDã®ã»ã‹ã€ä¼æ¥IDç™»éŒ²ã™ã‚‹æ‰‹ç¶šããŒå¿…è¦ã§ã™ã€‚ â– ã‚¤ãƒ™ãƒ³ãƒˆã¸ã®å‚åŠ æœæ—¥ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ãŒä¸»å‚¬ãŠã‚ˆã³å…±å‚¬ã™ã‚‹ã€æ¥ç•Œã®ã‚ãƒ¼ãƒžãƒ³ãŒé›†ã†ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚„ã‚»ãƒŸãƒŠãƒ¼ã«ã”å‚åŠ ã„ãŸã ã‘ã¾ã™ã€‚ â– ã‚ãƒ£ãƒ³ãƒšãƒ¼ãƒ³ã€ã‚¢ãƒ³ã‚±ãƒ¼ãƒˆ
masterq 2020/07/31
linus

linux

pc

amd64

amd

x86
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Amazonè¨è¨ˆã®ARMãƒ—ãƒã‚»ãƒƒã‚µã€ŒGraviton 2ã€ã®æ€§èƒ½ã¯Intelè£½CPUã«ã©ã‚Œã»ã©è¿«ã£ã¦ã„ã‚‹ã®ã‹ï¼Ÿ
2019å¹´12æœˆã«ç™ºè¡¨ã•ã‚ŒãŸã€Amazonç‹¬è‡ªè¨è¨ˆã®ARMãƒ—ãƒã‚»ãƒƒã‚µã€ŒGraviton 2ã€ã¯ã€ã™ã§ã«AWS EC2ã®M6gã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãªã©ã§åˆ©ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ãã®Graviton 2ã«ã¤ã„ã¦ã€ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚µãƒ¼ãƒ“ã‚¹ã€ŒMinIOã€ã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã§ã‚ã‚‹Frank Wesselsæ°ãŒIntelã‚„AMDã®CPUã¨ã®æ€§èƒ½ã‚’æ¯”è¼ƒã—ã¦ã¿ãŸã¨ã“ã‚ã€ãã®çµæžœã«è¡æ’ƒã‚’å—ã‘ãŸã¨èªžã£ã¦ã„ã¾ã™ã€‚ Intel + ARM Performance Characteristics for S3 Compatible Object Storage https://blog.min.io/intel_vs_gravitron/ MinIOã¯Apacheãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã«æº–æ‹ ã—ãŸAWS S3äº’æ›ã®ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã§ã™ã€‚é«˜ã„ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’ç¶æŒã™ã‚‹ãŸã‚ã€MinIOã¯Goã«ã‚ˆã£ã¦é–‹ç™ºã•ã‚Œã¦ã„ã‚‹ã¨ã®ã“ã¨ã€‚MinIOãŒä½¿ç”¨ã™
masterq 2020/06/16
"AWSãŒGraviton 2ã‚’å°Žå…¥ã—ãŸã“ã¨ã«ã‚ˆã‚Šã€ARMãƒ—ãƒã‚»ãƒƒã‚µã¯Intelã®CPUã¨ã®å·®ã‚’ç¸®ã‚ã‚‹ã©ã“ã‚ã‹ã€ãƒžãƒ«ãƒã‚³ã‚¢ã«è‡³ã£ã¦ã¯Intelã‚’è¶…ãˆã¦ã„ã‚‹"

amazon

performance

arm

intel

x86

cpu
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esbasic02a - essen-wiki
masterq 2020/06/04
"ES-BASICã¯ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžå‡¦ç†ç³»ï¼ˆã‚¤ãƒ³ã‚¿ãƒ—ãƒªã‚¿è¨€èªžå‡¦ç†ç³»ï¼‰ã§ã‚ã‚‹ã¨åŒæ™‚ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©è¨€èªžå‡¦ç†ç³»ã§ã‚‚ã‚ã‚Šã¾ã™"

x86

assembler

compiler

basic

windows

tiny
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Rust ã§ DOS
çµ‚äº† æœ€åˆã«rã‚³ãƒžãƒ³ãƒ‰ã§ã€ãƒªã‚¢ãƒ«ãƒ¢ãƒ¼ãƒ‰x86ã®ãƒ¬ã‚¸ã‚¹ã‚¿ç¾¤ã‚’ç¢ºèªã—ã¦è¦‹ã¾ã—ã‚‡ã†ã€‚ ä¸‹è¨˜ã®å›³ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ ï¼’è¡Œã«ã‚ãŸã£ã¦AX,BXã‚’ã¯ã˜ã‚ã¨ã™ã‚‹å„ãƒ¬ã‚¸ã‚¹ã‚¿ã®å€¤ãŒ16é€²æ•°ã§è¡¨ç¤ºã•ã‚Œã¦ã„ã¾ã™ã€‚ æ³¨:debug ã‚³ãƒžãƒ³ãƒ‰ã§ã¯åŸºæœ¬çš„ã«16é€²æ•°ã‚’æ‰±ã„ã¾ã™ã€‚ COM å½¢å¼ã¨ EXE å½¢å¼ ã„ã‚ˆã„ã‚ˆ DOS ã§æœ¬ç‰©ã®ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’å…¥åŠ›ã—ã¦ã„ãã¾ã™ãŒã€ãã®å‰ã« DOS ãƒ—ãƒã‚°ãƒ©ãƒ ã®ç´„æŸäº‹ã‚’æŠ¼ã•ãˆã¦ãŠãã¾ã—ã‚‡ã†ã€‚ DOSãƒ—ãƒã‚°ãƒ©ãƒ ã®å®Ÿè¡Œå½¢å¼ã«ã¯ COM å½¢å¼ã¨EXEå½¢å¼ãŒã‚ã‚Šã¾ã™ã€‚ ã“ã“ã§ã¯ã€ã‚ˆã‚Šå˜ç´”ãª COM å½¢å¼ã‚’æ‰±ã„ã¾ã™ã€‚ COM å½¢å¼ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ã€ã‚¢ãƒ‰ãƒ¬ã‚¹ 0x100 ã‹ã‚‰å§‹ã¾ã‚‹æ±ºã¾ã‚Šã«ãªã£ã¦ã„ã¾ã™ã€‚ å…ˆé ã® 256 ãƒã‚¤ãƒˆãŒç©ºã„ã¦ã„ã‚‹ã“ã¨ã«é•å’Œæ„Ÿã‚’è¦šãˆã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ãŒã€ã“ã‚Œã¯ ELF å®Ÿè¡Œå½¢å¼ã® ELF ãƒ˜ãƒƒãƒ€ãƒ¼ã®ã‚ˆã†ã®ã‚‚ã®ã¨æ€ã†ã¨ç†è§£ã—ã‚„ã™ã„ã§ã—ã‚‡ã†ã€‚ å…ˆé ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ç©ºé–“ã¯ PSPï¼ˆProg
masterq 2020/04/17
doc

japanese

rust

language

dos

realmode

x86

freedos
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