sysprog21/cpumemory-zhtw

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sysprog21/cpumemory-zhtw

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Traditional Chinese translation of "What Every Programmer Should Know About Memory"

每位程式開發者都該有的記憶體知識

本文翻譯自 Ulrich Drepper 於 2007 年撰寫的論文〈What Every Programmer Should Know About Memory〉(版次: 1.0)，原文共 114 頁。

隨著 CPU 核 (core) 的速度和數量的增長，記憶體存取成為制約當今大多數程式效率的因素，且在未來一段時間內仍然如此。儘管硬體設計者提越來越複雜的記憶體處理和加速機制，例如 CPU 快取，但若程式開發者無法善加利用，這些硬體機制仍無法發揮有效作用。不幸的是，大多數程式開發者對於計算機的記憶體子系統或 CPU 快取，無論是其內部結構還是存取成本，仍然相當陌生。本文旨在解釋現代電腦硬體中記憶體子系統的結構，闡述 CPU 快取的發展考量，及它們的運作方式。同時，本文也提供針對記憶體操作進行調整、達到最佳效能的建議。

翻譯資訊

譯者: Chi-En Wu, Jim Huang

[info] 關於繁體中文翻譯內容的修正、改進建議，和貢獻，請造訪 sysprog21/cpumemory-zhtw

lkmpg

The Linux Kernel Module Programming Guide (updated for 5.0+ kernels)

shecc

A self-hosting and educational C optimizing compiler

lab0-c

C Programming Lab: Assessing Your C Programming Skills

rv32emu

Compact and Efficient RISC-V RV32I[MAFC] emulator

simplefs

A simple native file system for Linux kernel

concurrent-programs

Complementary Concurrency Programs for course "Linux Kernel Internals"

jitboy

A Game Boy emulator with dynamic recompilation (JIT)

semu

A minimalist RISC-V system emulator capable of running Linux kernel

vwifi

A virtual wireless device driver for Linux

kvm-host

A minimalist type 2 hypervisor using Linux Kernel Virtual Machine (KVM)

pitifulvm

A shabby implementation of Java virtual machine in C

vcam

Virtual camera device driver for Linux

sehttpd

A small and efficient web server with 1K lines of C code

cserv

An event-driven and non-blocking web server

concurrent-ll

concurrent linked list implementation

khttpd

An experimental HTTP server implemented as Linux kernel module

rv32emu-legacy

RISC-V RV32I[MA] emulator with ELF support

raycaster

Wolfenstein 3D-style raycasting implementation

linux-list

Linux-like doubly-linked list

fibdrv

Linux kernel module that calculates Fibonacci numbers

gameboy-emu

An efficient and portable Game Boy emulator

lkm-hidden

A Linux kernel module which hides itself

rubi

Ruby-like high-performance script programming language with JIT compilation

kecho

A lightweight echo server implementation in Linux kernel mode

threaded-logger

Threaded Logger

threadkit

A collection of lightweight threading utilities

vinput

A collection of virtual input device drivers for Linux

linux-cfs-sim

Simulate Linux Completely Fair Scheduler (CFS) using POSIX Threads

rnnoise

A noise suppression library based on a recurrent neural network

kcalc

Math expression evaluation as Linux kernel module

dict

Ternary Search Tree + Bloom filter

jitcalc

A simple integer calculator using JIT compilation

y86_64-tools

Y86-64 Tools: assembler, simulator, Verilog designs

fastcat

A faster "cat" implementation using splice and sendfile system calls

neocon

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bignum

An incomplete arbitrary-precision integer arithmetic library

fiber

A User Space Threading Library

compute-pi

Leibniz formula for π

ca2023-lab3

Lab3: Construct a single-cycle CPU with Chisel

mapreduce

A simple C Thread pool implementation

prefix-search

Implement prefix search using ternary search tree

jit-construct

JIT compiler from scratch, derived from Nick Desaulniers' great work

datalab

Improved CS:APP Data Lab

buddy

Buddy Memory Allocator

moxiebox

A secure, sandboxed execution mechanism that enables deterministic input, processing and output

phonebook

sample phonebook program to illustrate the impact of cache miss

kilo

A text editor in less than 1000 LoC with syntax highlight and search

raytracing

Small ray tracing program for performance evaluation

intrusive-ds

A collection of intrusive data-structures for C

concurrency-primer

Concurrency Primer

gecos

GECOS: A lock-free synchronization mechanism

nyancat

Nyancat rendered in your terminal

matrix_oo

Sample matrix implementation illustrating object-oriented techniques in C99

dont-trace

A simple Linux kernel module that kills ptrace tracer and its tracees

kfifo-examples

Linux kernel module examples about kfifo

mergesort-concurrent

merge sort on singly-linked list utilzing POSIX Thread

tinymembench

Measure peak bandwidth of sequential memory accesses and the latency of random memory accesses

align-bench

Microbenchmark for unaligned memory access

cirbuf

Circular Buffer implementation with mmap(2) *incomplete*

kcalc-fixed

Math expression evaluation as Linux kernel module, fixed-point implementation

prefetcher

Evaluate the effects of prefetching

malloc-test-concurrent

concurrent malloc benchmark

sched-plugin

A Linux kernel module to allow user processes being handed out with LKM based scheduler

phonebook-concurrent

build a phonebook program by concurrent linked list

simrupt

A Linux device driver that simulates interrupts

tco-test

Test the ability of C compilers performing Tail Call Optimization

balanced-ternary

Ilustrate how balanced ternary works

vsnd

Virtual Linux soundcard driver

bf-runtime

Brainf*ck runtime engine

quotient-filter

(Incomplete) in-memory quotient filter

ksort

Linux kernel module that implements and validates sorting algorithms

arm-assembler-latex-listings

Arm Assembler language definition for the LaTeX listings package

clz-tests

Evaluate implementations of count leading zero

rv32emu-demo