silicon atlasTHE HARDWARE REFERENCE
العربية
A SHARED VOCABULARY49 TERMS

Know what the words mean.

Short definitions, with a path to the full mechanism. Search in English or Arabic.

ABI

واجهة البرامج الثنائية

Rules for calling functions, preserving registers, and connecting compiled code.

ALU

وحدة الحساب والمنطق

An execution unit for integer arithmetic and bit operations.

Arithmetic intensity

الشدة الحسابية

Useful operations per byte moved at a chosen memory boundary.

Atomic

عملية ذرية

An access with defined indivisibility and concurrency semantics.

Bandwidth

معدل النقل

The amount of data transferred per unit time.

BAR

سجل عنوان أساسي

A PCI device configuration resource describing a memory or I/O window.

Binning

تصنيف الشرائح

Grouping manufactured parts by tested operating characteristics.

Branch predictor

متنبئ الفروع

Hardware that guesses future control flow before it is resolved.

BVH

تسلسل الحدود المكانية

Nested bounds that narrow a ray’s search for intersections.

Cache line

خط المخبأ

A block transferred and tracked as a unit by a cache.

Chiplet

شريحة فرعية

A die designed to participate in a multi-die system.

CMOS

منطق MOS المتكامل

Logic built from complementary n-channel and p-channel devices.

Coalescing

تجميع الوصول

Combining nearby GPU lane accesses into fewer memory transactions.

Coherence

اتساق المخابئ

Rules that coordinate cached copies of a memory location.

CPI / IPC

الدورات والتعليمات

Average cycles per instruction and instructions per cycle for a defined measurement.

Die

قالب السيليكون

One manufactured piece of processed silicon.

DMA

الوصول المباشر للذاكرة

A device transfers data through a mapped memory path without CPU byte-by-byte copying.

DRAM

الذاكرة الديناميكية

Charge-based memory that needs refresh to retain data.

DVFS

ضبط الجهد والتردد

Changing operating voltage and frequency under platform policy.

ECC

شفرة تصحيح الأخطاء

Redundant information that detects or corrects specified error patterns.

False sharing

المشاركة الزائفة

Different writable data shares a coherence line and causes ownership contention.

FLOPS

عمليات الفاصلة العائمة

Floating-point operations per second, for a specified format and counting convention.

FPGA

مصفوفة منطق قابلة للتهيئة

Programmable logic and routing configured to implement a circuit.

FTL

طبقة ترجمة الفلاش

An SSD mapping from logical storage addresses to physical flash pages.

IOMMU

وحدة إدارة ذاكرة الأجهزة

Translates and constrains device-visible memory addresses.

ISA

بنية مجموعة التعليمات

The software-visible instruction and architectural state contract.

JIT

الترجمة أثناء التشغيل

Generating machine code while a program is running.

Latency

زمن الوصول أو الاستجابة

Delay between a request and its usable result.

LUT

جدول بحث

A configurable truth-table resource in programmable logic.

MAC

ضرب وتجميع

Multiply operands and add the product into an accumulator.

MMIO

إدخال وإخراج معنون

Device registers exposed through mapped CPU address ranges.

MT/s

مليون نقلة في الثانية

Transfer rate, which is distinct from the memory clock frequency.

NUMA

وصول غير موحد للذاكرة

Memory cost varies with processor and physical placement.

NVMe

بروتوكول تخزين دائم

A queue-based command interface for nonvolatile storage.

Occupancy

الإشغال

Resident GPU work relative to a supported residency limit.

Page fault

خطأ صفحة

An address translation or access condition that requires OS handling.

PCIe

توصيل PCI Express

A packet-based serial interconnect with negotiated speed and lane width.

Register renaming

إعادة تسمية السجلات

Mapping architectural register names onto physical value storage.

Retirement

اعتماد النتائج

Making completed instruction effects part of architectural state.

Roofline

سقف الأداء

An upper bound connecting compute rate, bandwidth, and arithmetic intensity.

SIMD / SIMT

حساب متجهي وتنفيذ بالخيوط

Vector operations and a thread abstraction using grouped lane issue, respectively.

SM / CU

مجموعة تنفيذ GPU

Vendor-specific structures combining scheduling, lanes, and local resources.

SMT

تعدد خيوط متزامن

Multiple hardware contexts share resources in one physical core.

SoC

نظام على شريحة

Integration of processors, controllers, and other system blocks.

SRAM

الذاكرة الساكنة

Feedback-based state storage that retains data while powered without DRAM-style refresh.

TLB

مخبأ ترجمة العناوين

Cached address translations and associated permissions.

TOPS

تريليون عملية في الثانية

An operation rate requiring stated precision, counting, and sparsity conditions.

Warp / wavefront

حزمة أو موجة تنفيذ

A group of GPU threads participating in grouped instruction issue.

Write amplification

تضخيم الكتابة

Physical flash writes exceed host writes because of internal management.