xixi's blog - Life is so beautiful

Hardware Cache Prefetcher

Created2025-09-14|Archcacheprefetch

cache 硬件预取器简介

Gem5 Prefetcher

Created2026-02-11|Archsimulatorgem5

Gem5 cache 数据预取器简介(BOP, Berti)

2026 ASPLOS: PF-LLM: Large Language Model Hinted Hardware Prefetching

Created2026-03-23|Archcacheprefetchdata-pf

2026 ASPLOS 论文阅读：PF-LLM

2026 HPCA: I-POP: Ignite Positive Prefetchers

Created2026-03-22|Archcacheprefetchdata-pf

2026 HPCA 论文阅读：I-POP 多预取器管理

ventana-US12253951B1: Microprocessor with branch target buffer whose entries include fetch block hotness counters used for selective filtering of macro-op cache allocations

Created2026-03-22|Archfrontendmop

ventana 专利简介：BTB 决定 Fetch Block 是否进入 Mop Cache

2026 HPCA: The Last-Level Branch Predictor Revisited

Created2026-03-19|Archbpu

2026 HPCA 论文阅读：The Last-Level Branch Predictor Revisited

2024 MICRO: The Last-Level Branch Predictor

Created2026-03-19|Archbpu

2024 MICRO 论文阅读：The Last-Level Branch Predictor

RISC-V Matrix: PULP Quadrilatero

Created2026-03-13|Archmatrixriscv

RISC-V Matrix 自定义扩展（AME）：PULP Quadrilatero

Ventana Patent(US12487830B1): Prediction unit with first predictor that provides a hashed fetch address of a current fetch block to its own input and to a second predictor that uses it to predict the fetch address of a next fetch block

Created2026-03-10|Archbpubtb

Ventana 专利简介：BTB 预测 ICache Set/Way + SCP 前端完整流水线

Intel Patent(US12190114B2): Segmented branch target buffer based on branch instruction type

Created2026-03-08|Archbpubtb

Intel 专利简介：新型 BTB 结构设计 Segmented BTB