| 缩写 | 全称 | 解释 |
|---|---|---|
| U/RU | Rank Unit | 1.75 inches，4.445cm |
| IDC | Internet Data Center | |
| HPC | High Performance Computer | |
| ICT | Information and Communication Technology | 数据中心三大支柱之一 |
| TCO | Total Cost of Ownership | |
| μOps/uOp | micro-operations | 一条指令可能由多个微操作完成 |
| RS | Reservation station | Tomasulo中的扩展寄存器（寄存器重命名） |
| CDB | Common Data Bus | Tomasulo中广播所有结果的总线 |
| BHT | Branch History Table | 基于历史的分支预测 |
| BTB | Branch Target Buffer | 记录跳转地址 |
| ROB | ReOrderd Buffer | 支持分支预测错误的Tomasulo算法所需的数据结构，FIFO |
| VLIW | Very Long Instruction Word | |
| EPIC | Explicitly Parallel Instruction Computing | |
| POE | Plan Of Execution | EPIC在指令级别提供了该层抽象 |
| MLP | Memory Level Parallelism | |
| DIMM | Dual In-line Memory Module | |
| SDRAM | Synchronous DRAMs | |
| ATA | Advanced Technology Attachment | 磁盘的一种，分为PATA(Parallel)和SATA(Serial) |
| SCSI | Small Computer System Interface | 比ATA更先进，同样分为P和S |
| SAS | Serial Attached SCSI | |
| FC | Fibre Channel | |
| JBOD | Just a Bunch Of Disk | 没有关联的一堆磁盘 |
| ECC | Error Correcting Coding | |
| DAS | Direct Access Storage | |
| NAS | Network Attached Storage | |
| SAN | Storage Area Network | |
| WA | Write Amplification | SSD的性质 |
| SLC | Single Level Cell | SSD的一种 |
| ASI | Architecture Starting Image | 架构启动镜像，Sampled Simulation |
| PCA | Principal Component Analysis | 主成分分析法 |
| SMP | Symmetric MultiProcessor | 同步多处理器（也称CSM） |
| DSM | Distributed Shared Memory | |
| MSI | Modified, Shared, Invalid | Snooping Protocol的一种，WB，Invalidation |
| SMT | Simultaneous MultiThreading | 同步多线程 |
| CMP | Chip MultiProcessor | 片上多处理器 |
| MVL | Maximum Vector Length | |
| VLR | Vector Length Register | VLR <= MVL |
| VMR | Vector Mask Register | |
| SPMD | Single Program Multiple Data | |
| SM | Streaming MultiProcessors | |
| TPC | Texture/Processor Clusters | N卡的概念，一个TPC包含几个SM |
| SP | Streaming Processor | 一个SM有很多SP |
| flit | flow control unit | 网络能够传输的最小单元 |
| phit | physical unit | 每个cycle在一个link时传输的数据量 |
| MIN | Multistage Interconnection Network | Omega是blocking的！！！ |
| PUE | Power Usage Effectiveness | 类似有WUE(Water)/CUE(Carbon) |
| ATS | Automatic Transfer Switch | |
| STS | Static Transfer Switch | 切换到备用电源的静态开关 |
| UPS | Uninterruptible Power Supply | 备用电池组 |
| PDU | Power Distributed Units | 后面接机架 |
| CRAC | Computer Room Air Conditioning | 空调系统 |
| COP | Coefficient Of Performance | 约为1.0-1.5 |
| TOR | Top Of Rank | ICT连接交换机的方式，还有End Of Row(更贵) |
| MDA | Main Distribution Area | |
| HDA | Horizontal Distributed Area | |
| EDA | Equipment Distributed Area | |
| WSC | Warehouse-Scale Computers | |
| SLA | Service Level Agreement | 服务被提供的方式（服务提供者&用户） |
| MDC | Modular Data Center | 类似Containerized Data Center |
| ACPI | Advanced Configuration and Power Interface | Intel提出的电力功率管理的标准 |
| TDP | Thermal Design Power | 热设计功耗，处理器负载最大时的功率 |
| MTTF | Mean Time To Failure | |
| MTTR | Mean Time To Repair | |
| MTBF | Mean Time Between Failure | |
| ACE | Architecturally Correct Execution | ACE bit指对程序执行正确性至关重要的bit |
| AVF | Architectural Vulnerability Factor |