1.1 KiB
1.1 KiB
layout, figureUrl, figureCaption
| layout | figureUrl | figureCaption |
|---|---|---|
| figure | /dramsys.svg | The PIM-HBM model integrated into DRAMSys |
Virtual Prototype
Processing Units
layout: figure-side figureUrl: /data_structures.svg figureCaption: Data structures for instructions and register files
Virtual Prototype
Software Library
- Software support library written in Rust
- Provides data structures for PIM-HBM
- Adhering special memory layout requirements
- Executes programmed microkernels
layout: figure-side figureUrl: /bare_metal.svg
Virtual Prototype
Platform
- Bare-metal kernel executes on ARM processor model
- Custom page table configuration
- Non-PIM DRAM region mapped as cacheable memory
- PIM DRAM region mapped as non-cacheable memory
GEMV Microkernel
MOV GRF_A #0, BANK
MOV GRF_A #1, BANK
MOV GRF_A #2, BANK
MOV GRF_A #3, BANK
MOV GRF_A #4, BANK
MOV GRF_A #5, BANK
MOV GRF_A #6, BANK
MOV GRF_A #7, BANK
MAC(AAM) GRF_B, BANK, GRF_A
JUMP -1, 7
FILL BANK, GRF_B #0
EXIT