| ALCC | ASCR Leadership Computing Challenge |
| ALCF | Argonne Leadership Computing Facility |
| AMD | Advanced Micro Devices |
| API | Application Programming Interface |
| ASCR | Advanced Scientific Computing Research |
| ASIC | Application-Specific Integrated Circuit |
| CLI | Command Line Interface |
| CPU | Central Processing Unit |
| CSL | Cerebras System Language |
| CUDA | Compute Unified Device Architecture |
| DFT | Density Functional Theory |
| DGX | Data Center Graphics Accelerator (NVIDIA) |
| DOE | Department of Energy |
| DPC | Data Parallel C++ |
| DRAM | Dynamic Random-Access Memory |
| DTN | Data Transfer Node |
| FFT | Fast Fourier Transform |
| FIFO | First In, First Out |
| FLOPS | Floating Point Operations Per Second |
| FPGA | Field-Programmable Gate Array |
| GCC | GNU Compiler Collection |
| GDB | GNU Debugger |
| GEMM | General Matrix Multiply |
| GPU | Graphics Processing Unit |
| GTL | GPU Transfer Library (HPE Cray) |
| HBM | High Bandwidth Memory |
| HDR | High Data Rate (InfiniBand) |
| HPC | High Performance Computing |
| HPCM | HPE Performance Cluster Manager |
| HPE | Hewlett Packard Enterprise |
| HSI | High-Speed Interface |
| I/O | Input/Output |
| INCITE | Innovative and Novel Computational Impact on Theory and Experiment |
| IPEX | Intel Extension for PyTorch |
| IPU | Intelligence Processing Unit |
| ITEX | Intel Extension for TensorFlow |
| JIT | Just-In-Time (compilation) |
| LAPACK | Linear Algebra Package |
| LAMMPS | Large-scale Atomic/Molecular Massively Parallel Simulator |
| LDAP | Lightweight Directory Access Protocol |
| LLM | Large Language Model |
| MFA | Multi-Factor Authentication |
| MIG | Multi-Instance GPU (NVIDIA) |
| MKL | Math Kernel Library |
| MPI | Message Passing Interface |
| MPS | Multi-Process Service (NVIDIA) |
| MTBF | Mean Time Between Failures |
| NAMD | Nanoscale Molecular Dynamics |
| NCCL | NVIDIA Collective Communications Library |
| NFS | Network File System |
| NIC | Network Interface Card |
| NLP | Natural Language Processing |
| NUMA | Non-Uniform Memory Access |
| NVME | Non-Volatile Memory Express |
| OFI | Open Fabric Interface |
| OpenMP | Open Multi-Processing |
| OS | Operating System |
| OTP | One-time Password |
| PALS | Parallel Application Launch Service (HPE Cray EX) |
| PBS | Portable Batch System |
| PCI | Peripheral Component Interconnect |
| PHB | PCIe Host Bridge |
| PMIx | Process Management Interface for Exascale |
| QMC | Quantum Monte Carlo |
| QMCPACK | Quantum Monte Carlo Package |
| RAID | Redundant Array of Independent Disks |
| RAM | Random Access Memory |
| RBC | Red Blood Cells |
| RDMA | Remote Direct Memory Access |
| RDU | Reconfigurable Dataflow Unit |
| RPC | Remote Procedure Call |
| SCM | Source Control Management |
| SDK | Software Development Kit |
| SFTP | SSH File Transfer Protocol |
| SIMD | Single Instruction, Multiple Data |
| SIMT | Single Instruction, Multiple Threads |
| SMT | Simultaneous Multithreading |
| SPMD | Single Program, Multiple Data |
| SSD | Solid State Drive |
| SSH | Secure Shell |
| SSO | Single Sign-On |
| SYCL | Single-source heterogeneous programming using C++ |
| TCP | Transmission Control Protocol |
| TDP | Thermal Design Power |
| TOPS | Tera Operations Per Second |
| UAN | User Access Node |
| UCX | Unified Communication X |
| UPI | Ultra Path Interconnect |
| URL | Uniform Resource Locator |
| USM | Unified Shared Memory |
| UUID | Universally Unique Identifier |
| VASP | Vienna Ab initio Simulation Package |
| VCS | Version Control System |
| VMC | Variational Monte Carlo |
| VNC | Virtual Network Computing |
| XALT | System tracking of users codes on clusters |
| XLA | Accelerated Linear Algebra |
| XPU | Any Processing Unit (CPU, GPU, FPGA, ASIC) in Intel's heterogeneous computing strategy |