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2024

  • 分类于 Biweekly-en
  • 需要 4 分钟阅读时间

【XiangShan Biweekly 61】20241014

Welcome to XiangShan biweekly column, this is the 61th issue of our biweekly column. Through this column, we will regularly introduce the progress of XiangShan, hoping to learn and improve together with you.

Recently, various teams working on Kunminghu have continued to advance optimizations in area, timing, and power consumption. In addition, the frontend fixed a bug in cross-page instruction fetching, the backend Debug extension supported hardware breakpoint debugging for the H extension, and the memory and cache subsystem implemented the vector fault-only-first load instructions. This update also includes the latest performance improvements of the Kunminghu architecture.

  • 分类于 Biweekly
  • 需要 2 分钟阅读时间

【香山双周报 61】20241014 期

欢迎来到我们的双周报专栏，本次是香山双周报专栏的第 61 期。我们将通过这一专栏，定期介绍香山的开源进展，希望与大家共同学习、一起进步。

近期，昆明湖各组持续推进面积、时序、功耗的优化。此外，前端修复了一个取指块跨页的 Bug，后端 Debug 拓展支持了 H 拓展的硬件断点调试，访存和缓存部分继续完善向量访存 fault-only-first 指令的实现。本期还更新了昆明湖架构近期性能。

  • 分类于 Biweekly-en
  • 需要 4 分钟阅读时间

【XiangShan Biweekly 60】20240930

Welcome to XiangShan biweekly column, this is the 60th issue of our biweekly column. Through this column, we will regularly introduce the progress of XiangShan, hoping to learn and improve together with you.

Recently, various teams working on Kunminghu have continued to advance optimizations in area, timing, and power consumption. In addition, the frontend fixed the handling of multiple hits in the FTB, the backend supported for virtual interrupt injection, and the memory and cache subsystem added support of vector vstart and trigger. This update also includes the latest performance improvements of the Kunminghu architecture.

  • 分类于 Biweekly
  • 需要 3 分钟阅读时间

【香山双周报 60】20240930 期

欢迎来到我们的双周报专栏，本次是香山双周报专栏的第 60 期。我们将通过这一专栏，定期介绍香山的开源进展，希望与大家共同学习、一起进步。

近期，昆明湖各组持续推进面积、时序、功耗的优化。此外，前端修复了 FTB 多路命中的处理，后端支持了虚拟中断注入，访存和缓存部分添加向量 vstart、trigger 的支持。本期还更新了昆明湖架构近期性能。

  • 分类于 Biweekly-en
  • 需要 4 分钟阅读时间

【XiangShan Biweekly 59】20240916

Welcome to XiangShan biweekly column, this is the 59th issue of our biweekly column. Through this column, we will regularly introduce the progress of XiangShan, hoping to learn and improve together with you.

Recently, various teams working on Kunminghu have continued to advance optimizations in area, timing, and power consumption. In addition, the frontend fixed a deadlock bug caused by speculative stack in RAS, the backend supported the Resumable Non-Maskable Interrupt (Smrnmi) extension, and the memory and cache subsystem completed CHI2AXI bridge design (OpenNCB). This update also includes the latest performance improvements of the Kunminghu architecture.

  • 分类于 Biweekly
  • 需要 2 分钟阅读时间

【香山双周报 59】20240916 期

欢迎来到我们的双周报专栏，本次是香山双周报专栏的第 59 期。我们将通过这一专栏，定期介绍香山的开源进展，希望与大家共同学习、一起进步。

近期，昆明湖各组持续推进面积、时序、功耗的优化。此外，前端修复了 RAS 推测栈导致的卡死 Bug，后端支持了可恢复非屏蔽中断 (Smrnmi) 拓展，访存和缓存部分完成 CHI2AXI 转接桥设计 (OpenNCB)。本期还更新了昆明湖架构近期性能。

  • 分类于 Biweekly-en
  • 需要 4 分钟阅读时间

【XiangShan Biweekly 58】20240902

Welcome to XiangShan biweekly column, this is the 58th issue of our biweekly column. Through this column, we will regularly introduce the progress of XiangShan, hoping to learn and improve together with you.

Recently, various teams working on Kunminghu have continued to advance optimizations in area, timing, and power consumption. In addition, the frontend fixed a design flaw related to software prefetching transitions in the prefetchPipe s1 level state machine, the backend support for the Sstval/Shvstval extensions, and the memory and cache section implemented the 48-bit virtual memory management (Sv48) extension. This update also includes the latest performance improvements of the Kunminghu architecture.

  • 分类于 Biweekly
  • 需要 2 分钟阅读时间

【香山双周报 58】20240902 期

欢迎来到我们的双周报专栏，本次是香山双周报专栏的第 58 期。我们将通过这一专栏，定期介绍香山的开源进展，希望与大家共同学习、一起进步。

近期，昆明湖各组持续推进面积、时序、功耗的优化。此外，前端修复了 prefetchPipe s1 级状态机中软件预取相关转移的设计缺陷，后端支持了 Sstval/Shvstval 扩展，访存和缓存部分实现了 48 位虚存管理（Sv48）扩展。本期还更新了昆明湖架构近期性能。

  • 分类于 Biweekly-en
  • 需要 5 分钟阅读时间

【XiangShan Biweekly 57】20240819

Welcome to XiangShan biweekly column, this is the 57th issue of our biweekly column. Through this column, we will regularly introduce the progress of XiangShan, hoping to learn and improve together with you.

Recently, various teams working on Kunminghu have continued to advance optimizations in area, timing, and power consumption. In addition, the frontend fixed the cross-page exception bug introduced by the IFU refactoring, the backend completed the design of the register file cache, and the memory and cache section completed the CHI-L3 code design and integrated it into the Xiangshan system testing. This update also includes the latest performance improvements of the Kunminghu architecture.

  • 分类于 Biweekly
  • 需要 3 分钟阅读时间

【香山双周报 57】20240819 期

欢迎来到我们的双周报专栏，本次是香山双周报专栏的第 57 期。我们将通过这一专栏，定期介绍香山的开源进展，希望与大家共同学习、一起进步。

近期，昆明湖各组持续推进面积、时序、功耗的优化。此外，前端修复了重构 IFU 引入的跨页异常 Bug，后端完成了寄存器堆 Cache 设计，访存和缓存部分完成 CHI-L3 代码设计，接入香山系统测试。本期还更新了昆明湖架构近期性能。