Pim073.jpg Guide

The reference likely pertains to the (often designated as Figure 7 in related documentation). This system is designed to run Large Language Models (LLMs) without expensive GPUs by using Compute Express Link (CXL) technology.

: The device's internal decoder converts high-level instructions into micro-ops.

: These micro-ops are converted into DRAM commands, executing the logic directly where the data resides. pim073.jpg

: Each CXL device in this architecture integrates 16 controllers, each managing two GDDR6-PIM channels.

: CXL-based memory expansion offers approximately 8x lower latency compared to network-based RDMA (Remote Direct Memory Access). The reference likely pertains to the (often designated

: Units located near the memory chips that handle intensive computations, such as transformer block operations. 3. Key Advantages of this System

PIM is a computing paradigm where data processing occurs directly within the memory chips (like DRAM) rather than moving it back and forth to a central CPU or GPU. This eliminates the "memory wall"—the performance bottleneck caused by the slow and energy-intensive transfer of data between memory and processors. 2. The CENT Architecture : These micro-ops are converted into DRAM commands,

: A 2MB buffer on each device receives "CENT instructions" from a host CPU. These are then decoded into micro-ops for the memory units.