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OpenXiangShan/XiangShan

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Open-source high-performance RISC-V processor

22 mentions on Hacker News by 14 people: 4 stories, 18 comments · first 2021-06-27 · latest 2026-08-16

Mentions per year 22 mentions · busiest year 2024 (8)
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  1. …basically unusable. Good news! It seems they just opened a new PR for a new RVV implementation: https://github.com/OpenXiangShan/XiangShan/pull/6331
    comment by orangeboats · 2026-08-16 · in A third world engineer responds to “RISC-V: They should have known better”
  2. there are projects for making high performance RISC-V chips like this one https://github.com/OpenXiangShan/XiangShan
    comment by yogthos · 2026-03-10 · in RISC-V Is Sloooow
  3. Get your virgin bar girls here… https://github.com/OpenXiangShan/XiangShan
    comment by LeFantome · 2026-01-20 · in RISC-V is coming along quite speedily: Milk-V Titan Mini-ITX 8-core board
  4. …proprietary ones (in silicon). XiangShan is currently the fastest open-source CPU implementation: https://github.com/OpenXiangShan/XiangShan uarch slides: https://tutorial.xiangshan.cc/hpca25/slides/20250302-HPCA25-... uarch slides with…
    comment by camel-cdr · 2025-10-29 · in Berkeley Out-of-Order RISC-V Processor (Boom) (2020)
  5. https://github.com/OpenXiangShan/XiangShan This one is mode than twice as fast.
    comment by camel-cdr · 2025-05-01 · in Zhaoxin's KX-7000
  6. …https://github.com/camel-cdr/rvv-d1?tab=readme-ov-file#enabl... [4] https://milkv.io/ruyibook [5] https://github.com/OpenXiangShan/XiangShan See also, slides on the XiangShanV2 microarchitecture: https://raw.githubusercontent.com/OpenXiangS…
    comment by camel-cdr · 2025-02-03 · in Ask HN: Are there any open source RISC-V processors that I can buy and use?
  7. ▲ 270
    XiangShan – Open-source high performance RISC-V processor
    story by gjvc · 2025-01-02 · 98 comments
  8. …XiangShan [1], albeit student work, will spur work towards bigger, more performant OOO cores. [1] https://github.com/OpenXiangShan/XiangShan
    comment by GregarianChild · 2024-12-15 · in Tenstorrent and the State of AI Hardware Startups
  9. …implementation is still quite new, and they are still missing a few optimizations. XiangShan repo: https://github.com/OpenXiangShan/XiangShan More micro architectural details: https://www.servethehome.com/xiangshan-high-performance-risc...…
    comment by camel-cdr · 2024-10-23 · in RISC-V is currently slow compared to modern CPUs
  10. https://github.com/OpenXiangShan/XiangShan
    comment by camel-cdr · 2024-08-30 · in XiangShan High-Performance RISC-V Processors at Hot Chips 2024
  11. Link to the open-source processor implementation: https://github.com/OpenXiangShan/XiangShan/tree/nanhu You can download and simulate it on regular hardware. I ran a few micro benchmarks it XiangShanV2 (Nanhu, the one in the laptop) and…
    comment by camel-cdr · 2024-08-23 · in RuyiBook the first laptop powered by a open-source RISC-V processor
  12. Check out https://github.com/OpenXiangShan/XiangShan
    comment by camel-cdr · 2024-07-01 · in What is the future of Open-Hardware and Open-Source Code in your opinion?
  13. …There is the OpenC910 [1] and OpenXiangShan [2]. [1] https://github.com/T-head-Semi/openc910 [2] https://github.com/OpenXiangShan/XiangShan
    comment by omniwrench · 2024-04-24 · in US Government reportedly ponders crimping China's use of RISC-V
  14. …space launches. But even their mostly (ex-)students-run open source Xiangshan RiscV project https://github.com/OpenXiangShan/XiangShan shows a remarkable level of sophistication.
    comment by fspeech · 2024-03-16 · in Loongson 3A6000: A Star Among Chinese CPUs
  15. …Arm cores (A55, A72). You can play around with OpenXianShan though, they have a few fusion targets: https://github.com/OpenXiangShan/XiangShan/blob/master/src/m... Most of the targets require the same destination, so it won't be able to…
    comment by camel-cdr · 2024-01-20 · in MRISC32 – An Open 32-Bit RISC/Vector ISA (Suitable for FPGA CPU)
  16. This is the most advanced open source risc-v implementation I'm awair of: https://github.com/OpenXiangShan/XiangShan
    comment by camel-cdr · 2023-12-22 · in Ask HN: Are there any open source dual-issue RISC-V processor
  17. ▲ 262
    Open-source high-performance RISC-V processor
    story by burakemir · 2023-03-26 · 109 comments
  18. …makes further development faster. This open source core is about equivalent to a Cortex-X1. https://github.com/OpenXiangShan/XiangShan A collab between Alibaba, Tencent, and the Chinese Academy of Sciences.
    comment by monocasa · 2022-12-24 · in RISC-V Pushes into the Mainstream
  19. …market? The cloud companies are in control here. [0] https://github.com/T-head-Semi/openc910 [1] https://github.com/OpenXiangShan/XiangShan [2] https://github.com/riscv-boom
    comment by gfgdfhhjfgjfg · 2022-10-06 · in VisionFive 2 RISC-V single-board computer is up for pre-order for $56 and up
  20. ▲ 5
    XiangShan (香山) is an open-source high-performance RISC-V processor project
    story by DeathArrow · 2021-12-08 · 1 comment
  21. In the readme, they list three components that were sourced from other open-source projects: https://github.com/OpenXiangShan/XiangShan/blob/master/READM... So it seems like there already is a little bit of an ecosystem.
    comment by yorwba · 2021-07-05 · in XiangShan open-source 64-bit RISC-V processor to rival Arm Cortex-A76
  22. ▲ 5
    OpenXiangShan, an open-source high-performance RISC-V processor project
    story by bctnry · 2021-06-27 · 0 comments