前言 相信大家也看到了，RISC-V 通用处理器生态圈的现状并不太平。 它市场竞争力低吗？确实！ 我们能改变吗？我相信还有机会！ 注：本文仅代表本人立场与观点，不代表任何组织、开源社区。 现状是什么样呢？ 基础的 Linux 内核、发行版以及大量的开源软件支持 QEMU 级别单核性能的现存硬件 碎片化的 ISA 遇上想建立新纪元的发行版 满足 Bug-free &&…
Is TSO a historical burden for modern CPU? Case study on Apple M1
Is TSO a historical burden for modern CPU? Preface x86-TSO (Total Store Order) is the memory consistency model…
CCS 2025 Travel Notes
Preface I recently traveled to Taipei for the ACM CCS 2025. It’s been 14 years since my last…
惊人的 IOMMU Overhead 与不合理的 AQC 网卡驱动
背景 给家里的 AMD AI MAX 395 小主机加了个 Thunderbolt 万兆网卡，期望给这台小主机通上 10Gbps 的信息高速公路，这样我可以利用家里的 NAS 的大容量存储快速拉 LLM ，网卡用的是几年前买给 Mac 用的 QNAP…
Can we trust the cpu cycles from LLVM-MCA?
Background Recently, I’ve been delving into the ARM SVE2 speed-up over pure NEON in common workloads that are…
How CCMP reduce the pressure of branch predictor on aarch64
Preface When comparing branch MPKI (Miss Per Kilo Instructions) on aarch64 with other architectures such as RISC-V (including…
“Short-leg” of RISC-V | RISC-V 的小短腿
Preface I came across some code performance issues only on RISC-V recently. Their root cause is the short…
Spacemit X60 (K1) SPECINT 2006 Benchmark
I ordered a BananaPi F3 last week and it arrived on May 6th. Using the opensbi and kernel…
T-HEAD C910 SPEC CPU Benchmark
Enviroment Board: Lichee Module 4A (2GHz Version) SBI: revyos/opensbi/th1520-v1.3.1 Kernel: revyos/th1520-linux-kernel/th1520-master-wip SBI and Kernel Compiled with riscv64-linux-gnu-gcc version…
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