RISC-V Tech Blog

Silicon reviews, MCU tutorials, OpenWrt guides and ecosystem analysis — written for engineers evaluating RISC-V for production.

100 articles · updated October 24, 2026

RISC-V Software2026-10-23·9 min read

Linux 7.3 RISC-V: Counter Delegation, QoS Tagging and a Busload of New Boards

Linux 7.3 shipped on 2026-10-18 with a large RISC-V pull: Smcdeleg/Smcntrpmf/Sscsrind/Ssccfg counter delegation, Ssqosid QoS tagging context switch, flush-by-ASID plus Svinval in update_mmu_cache_range, and new support for Canaan K230, Milk-V Duo S (SG2000), SpacemiT K3 I2S/SPI/USB and StarFive JHB100.

RISC-V Datacenter2026-10-23·6 min read

RISC-V KVM in Linux 7.4: KVM_PRE_FAULT_MEMORY, Four More Guest Extensions, IMSIC Raw Lock

Anup Patel's KVM/riscv 7.4 pull adds KVM_PRE_FAULT_MEMORY, exposes Zicclsm/Ziccamoa/Ziccif/Za64rs to guests, and moves IMSIC wakeup to a raw spinlock.

RISC-V Datacenter2026-10-20·8 min read

SpacemiT V100: the First Chip Fully Compliant with the RISC-V Server Specification

At the 2026 RISC-V Summit China in Shenzhen, SpacemiT and the Xiangshan team launched the V100 server CPU: 46 cores (6 Kunminghu V2R2 + 40 X100), 8-channel DDR5-4800, 52 lanes PCIe 5.0, and full compliance with the RISC-V server specification family. Full spec walkthrough.

RISC-V Development2026-10-13·9 min read

RISC-V Kernel Auto-Vectorization at LPC 2026: the 15% Headline, and What the Slides Actually Measured

Linux Plumbers Conference 2026 measured an auto-vectorized RISC-V Linux kernel: +15.1% LZ4 compression on one target but -7.5% on K3, and a 0.1% geometric mean across K3 system benchmarks. A close reading of the data.

RISC-V Software2026-10-12

Ubuntu 26.10 Brings Official RISC-V Desktop Images: SpacemiT K3 Pico-ITX Moves to Supported Hardware

Ubuntu 26.10 adds the first official riscv64 desktop ISO, with SpacemiT K3 Pico-ITX as a supported board. How to install it, run it under QEMU, and what still works.

RISC-V Datacenter2026-10-09·4 min read

SpacemiT K1 and K3 Devicetrees for Linux 7.4: CPU Scaling, CTF2301 Fan Control and the CLINT-to-ACLINT Fix

SpacemiT's Linux 7.4 devicetree pull adds K3 CPU scaling, CTF2301 thermal and fan control, USB, rfkill and ACLINT fixes, plus EEPROM MAC for K1 boards.

RISC-V Development2026-10-08

An SBI Watchdog for RISC-V: Qualcomm Posts a Firmware-Defined Driver With IMSIC Pretimeout

A Qualcomm RFC posted on Oct 2 2026 adds a 406-line RISC-V SBI watchdog driver to Linux: SBI 3.0 gating, a 60 s default timeout, and pretimeout notifications delivered as an IMSIC platform MSI.

RISC-V Development2026-10-04

gtrace: RISC-V Hardware Trace Heads for Mainline Linux With 14-Patch v6 Series

A v6 14-patch series posted Oct 1 2026 adds gtrace, an architecture-neutral hardware trace framework with the ratified RISC-V E-trace as its first backend: component graph, perf AUX integration, encoder and RAM-sink drivers, plus a QEMU model for testing.

RISC-V Virtualization2026-10-04

RISC-V IOMMU v6: IMSIC MSI Remapping Turns On IOMMU_DMA and VFIO Device Assignment

Andrew Jones posted v6 of a 16-patch series adding IMSIC MSI remapping to the RISC-V IOMMU driver, enabling IOMMU_DMA and VFIO PCIe device assignment on 64-bit RISC-V — with two documented limitations.

RISC-V Development2026-10-03

Linux RISC-V TLB Flush Path Tracepoint Reaches v2: Debugging Shootdowns on Real Silicon

Roman 'Hedin' Storozhenko posted v2 of a Linux RISC-V patch that adds riscv_tlb:riscv_tlb_flush_path to observe whether the kernel handles TLB invalidation locally, via SBI RFENCE, or through a cross-CPU call.

RISC-V Virtualization2026-10-02

KVM on the SpacemiT K3 Reaches Stock Distros: Ubuntu 26.10 Hands-On, a Fedora Com260 Wiki, and Why the BSDs Cannot Boot

KVM works on the SpacemiT K3 under Ubuntu 26.10 mainline 7.3.0 — a Debian 13 guest boots with zvk* vector crypto at 2.37 GB/s AES-GCM. A Fedora wiki covers native KVM on the Com260. All three BSDs fail on rdcycle because the K3 firmware leaves mcounteren.CY and IR clear.

RISC-V Development2026-10-01

SpacemiT K3 PCIe Root Complex Heads for Upstream Linux: v7 Patch Series

Inochi Amaoto submits v7 of the upstream Linux patch series that adds PCIe Root Complex support for the SpacemiT K3 — a Synopsys DesignWare PCIe controller plus IMSIC, multiple PHYs, and shared K1/K3 driver logic.

RISC-V2026-09-30

Xen Boots on the SpacemiT K3: the First RVA23 RISC-V Board With APLIC, IMSIC and the H-Extension

Xen now boots on the SpacemiT K3 — the only RISC-V board shipping both APLIC/IMSIC and the ratified H-extension. The two-step story from a pre-ratification P550 to a spec-compliant RVA23 board, from the Xen Summit 2026 talk.

RISC-V2026-09-29

Teaching OpenBLAS About the K3's VLEN=1024 AI Cores: HPL on a Heterogeneous RISC-V SoC

The opensolvers team taught OpenBLAS a new RISCV64_ZVL1024B target and ran HPL on the SpacemiT K3's 8 A100 AI cores (VLEN=1024). Results: A100 HPL goes from 15 to 35.9 GFLOP/s, and an equal 8+8 X100+A100 mix reaches 57.5 GFLOP/s — beating the X100-only baseline of 53.2. Full benchmark tables, the /proc/set_ai_thread affinity mechanism, and the VLEN-migration SIGSEGV pitfall, annotated.

RISC-V2026-09-23

ESWIN Computing Passes HKEX Listing Hearing — the Path to the First Publicly Listed RISC-V Chip Company

Beijing ESWIN Computing (奕斯伟计算) passed the HKEX main board listing hearing on Sep 21, 2026, positioning it to become the first publicly listed RISC-V-architecture chip company. Full financial trajectory from the prospectus coverage: revenue ¥17.52亿 → ¥20.25亿 → ¥24.31亿 (2023–2025), Q1 2026 ¥4.94亿 (+18.4% YoY), compute products jumping from ¥375K to 45% of quarterly revenue in three years, and the risk register behind the 'RISC-V first stock' label.

RISC-V2026-09-22

After RVA23: CFI, the Three Matrix Extension Routes, and What RVA23.1 Adds — Canonical's Distro View

Canonical's Jon Taylor maps the post-RVA23 RISC-V ISA landscape: Zicfilp/Zicfiss control-flow integrity with shadow stacks and landing pads, the three matrix-extension routes (VME, IME, AME) and their OS context-switch costs, runtime discovery via sys_riscv_hwprobe(), and the RVA23.1 development options that matter for distros — Ssdbltrap, Sscfg, Ssctr. Annotated with official spec links.

RISC-V AI2026-09-21·4 min read

AIMORELOGY Ovis: CVITEK CV1842H-P Pairs Arm A53 With a RISC-V C906 at 800 MHz for Edge Vision

The Ovis AI camera module runs a CVITEK CV1842H-P: Arm A53 at 1.1 GHz plus a RISC-V C906 at 800 MHz, 1.5 TOPS INT8 NPU and 1080p AI-ISP.

RISC-V Development2026-09-21·5 min read

OpenCL 3.1.2 Ships With Finalised Command Buffers as PoCL 7.2 Adds RISC-V Conformance

Khronos published OpenCL 3.1.2 on 18 Sep 2026 finalising command buffers; PoCL 7.2 (4 Sep) claims OpenCL 3.0 conformance on RISC-V CPUs.

RISC-V Datacenter2026-09-21·4 min read

CVE-2026-92518: RISC-V BPF Tailcall With Clang CFI Corrupts Kernel Stack (CVSS 7.8)

CVE-2026-92518: a RISC-V BPF tailcall bug under CONFIG_CFI_CLANG corrupts kernel stack. CVSS 7.8, fixed in 6.18.52 / 7.2.6 / 7.3-rc1.

RISC-V Development2026-09-21·5 min read

Linux RISC-V Patch v8 Adds Zic64b and an RVA23U64 hwprobe Base Behaviour for K1, K3 and SG2044

RISC-V Linux patch v8 (20 Sep 2026) adds Zic64b to cpufeature/hwprobe and an rva23u64 base behaviour, with DT entries for SpacemiT K1, K3 and SG2044.

RISC-V2026-09-21

Ruixin Gaoguang D35: A RISC-V Dataflow Physical-AI Chip with 128 GB VRAM and >90% Compute Utilization

Suzhou Ruixin's Gaoguang D35 is a mass-produced RISC-V dataflow physical-AI chip: fully self-developed RISC-V CPU core, dedicated LPU dataflow processing unit, 128 GB on-chip VRAM, Chiplet advanced packaging, >90% compute utilization claimed, and an ISCA 2026 best-paper nomination. We annotate the architecture, the memory-wall problem it targets, and the five application scenarios.

RISC-V2026-09-20

Inside the SpacemiT K3 Preview Paper: Homogeneous Fusion, X100 + A100, and What 60 TOPS Actually Means

A technical annotation of SpacemiT's official K3 preview paper (dated 2026-01-29): the homogeneous-fusion paradigm, X100 RVA23 core microarchitecture (OpenC910 lineage, TAGE, 17-cycle L2 hit), A100 1024-bit vector + IME 1.0/2.0 matrix extensions, Linux SMP scheduling with AI-partitioned cores, and every published benchmark table — SPEC CINT2006 22.88, −5.48% under KVM, GHASH 46.6x, 3.28x memory bandwidth.

RISC-V2026-09-19

First Mass-Produced RISC-V AI Supernode Goes Live: EVAS Epoch in an Operator Data Center

EVAS Intelligence's 64-node RISC-V AI supernode — Epoch chips on E200-L liquid-cooled OAM modules in an orthogonal backplane-free fabric — is now deployed in an operator data center in Shijiazhuang, backed by a new ~RMB 2B round at a ~RMB 15B valuation. Verified facts, vendor claims labeled.

RISC-V2026-09-18

Andes AX66 Pre-Silicon: Linux KVM + Dual LLM Inference on FPGA Before Tape-Out

Andes AX66 RVA23 application core validated pre-silicon: quad-core cluster on AMD Versal VP1902 FPGA in S2C Prodigy S8-100, booting Linux KVM with two VMs and running TinyStories 42M LLMs before tape-out. Full spec tables and what the demo proves.

RISC-V Datacenter2026-09-18·5 min read

Andes AX66 Runs Linux KVM and Two 42M LLMs on an S2C Prodigy S8-100 FPGA Prototype

Quad-core Andes AX66 (RVA23, 13-stage, 8-wide OoO) on one AMD Versal VP1902 FPGA at 60 MHz boots Linux KVM and runs two TinyStories 42M LLMs at once.

RISC-V AI2026-09-18·5 min read

Axelera Europa AIPU Ships: 629 TOPS at 45 W with 16 RISC-V Vector Cores, Now in Dell and Supermicro Servers

Axelera Europa AIPU ships: 629 TOPS at 45 W, 16 RISC-V vector cores, 128 MB L2, now validated in Dell XE5 and Supermicro 111AD servers.

RISC-V Development2026-09-18·5 min read

deepin 25 Ships an RVA23 Baseline for SpacemiT K3: Offline 30B Inference on a RISC-V Desktop

deepin 25 adds an RVA23 overlay repo (GCC 15/16, Binutils 2.46, Glibc 2.42, LLVM 21/22) for offline 30B LLM inference on the SpacemiT K3.

RISC-V MCU2026-09-18·5 min read

Infineon Says Its Next-Generation Automotive MCU Family Goes All-In on RISC-V

Infineon says next-gen automotive MCUs go all-in on RISC-V, replacing the split Arm TRAVEO T2G and TriCore AURIX line-up. Ecosystem status, gaps.

RISC-V Development2026-09-18·5 min read

RISC-V Post-Quantum Cryptography Extension v0.1 Enters Internal Review: vkeccak.vi Explained

RISC-V PQC extension v0.1 enters internal review (11-25 Sep 2026): what vkeccak.vi does, what is in the repo, and why embedded teams should watch.

RISC-V2026-09-17

MNN LLM Inference on SpacemiT K3 — IME2 W4B64 Quantization and Benchmarks

Alibaba MNN on SpacemiT K3 RISC-V: end-to-end LLM inference optimization using IME2 matrix extension, asymmetric W4B64 quantization, TCM double-buffer pipelining. Benchmarks, build flags and source code references.

RISC-V AI2026-09-16·4 min read

A 28nm RISC-V Out-of-Order Core Designed by Agents: Inside Cuisi's 6nm Inference Chip Plan

Shanghai Cuisi raised a nine-figure RMB angel round after a 28nm RISC-V out-of-order tape-out built on its agentic EDA flow. Next: 6nm.

RISC-V Datacenter2026-09-16·4 min read

Aowei Lingxin RV9000 Boots: Modular RISC-V + DSA Heterogeneous SoC, Up to 24 Cores

The RV9000 RISC-V + DSA heterogeneous SoC completed tape-out and bring-up: 4 or 8 general cores plus up to 16 SDPA accelerators, NoC interconnect.

RISC-V MCU2026-09-16·4 min read

JetKVM Mini Drops Linux for the ESP32-P4X: A $39 RISC-V KVM-over-IP at 400 MHz

JetKVM Mini swaps a Rockchip Linux SoC for an ESP32-P4X RISC-V MCU: 400 MHz dual-core, 32 MB PSRAM, 1080p30 capture, from $39 in October.

RISC-V Development2026-09-16·5 min read

OpenSBI Adds SpacemiT K3 Platform Support: 8 × X100 and 8 × A100 Harts with Mixed VLEN

OpenSBI patch v4 adds SpacemiT K3 support: eight X100 and eight A100 harts, 256-bit vs 1024-bit VLEN, booted to a Linux 7.3-rc1 shell.

RISC-V2026-09-16

SiFive + AMD ROCm on BigSky — RISC-V Head Node Gets Its Second GPU Stack

SiFive and AMD demonstrated AMD ROCm 10.0 running on the BigSky SF-2U870 datacenter development platform at AI Infra Summit 2026: 32 P870-D RISC-V cores as head node, AMD Radeon AI PRO R9700 GPUs driving inference offload, running the Gemma4-E2B LLM. Full hardware spec tables, the ROCm demo stack, and how it compares with NVIDIA's CUDA port.

RISC-V Datacenter2026-09-16·4 min read

AMD ROCm 10.0 Runs on the SiFive BigSky SF-2U870: 32 P870-D Cores as a RISC-V AI Host

SiFive and AMD demoed ROCm 10.0 on the 32-core P870-D BigSky SF-2U870 RISC-V server, running Gemma4-E2B with Radeon AI PRO R9700 offload.

RISC-V2026-09-15

Infineon Maps RISC-V for Automotive Zone Controllers at Hot Chips 2026 — MCU Island + MPU Island, AUTO-SIG Profiles, and the Three-Architecture AURIX Portfolio

Infineon's Hot Chips 2026 automotive RISC-V architecture talk: zonal E/E architecture transition, MCU island + MPU island heterogeneous zone controllers, RVI AUTO-SIG profiles (RV32E+I+M+U baseline), RVM virtualization for mixed criticality, and the three-architecture AURIX portfolio (TriCore + Arm + RISC-V).

RISC-V MCU2026-09-14·4 min read

Aheesa VIHAAN-I: A RISC-V Broadband SoC Moves From First-Pass Silicon to Packaging Partner

Aheesa's RISC-V broadband SoC VIHAAN-I goes from first-pass silicon to an Optilink packaging MoU, targeting commercial deployment in early 2027.

RISC-V Development2026-09-14·4 min read

Axelera Voyager 1.8 Swaps GNU newlib for LLVM 20 on RISC-V: 10x Smaller Wheels, ~10% Faster Small-Model Inference

Voyager 1.8 replaces GNU newlib with LLVM 20 on Axelera's RISC-V toolchain: wheel drops ~200 MiB to ~20 MiB, up to ~10% faster small-model inference.

RISC-V2026-09-14

EU Cyber Resilience Act Article 14 — 24-Hour Vulnerability Reporting Hits RISC-V IoT

EU CRA Article 14 reporting obligations live Sept 11 2026. 24-hour vulnerability reporting clock, ENISA Single Reporting Platform, €15M / 2.5% global turnover penalty tier, SBOM and CE marking by Dec 11 2027. Scope across all RISC-V MCU, SoC and IoT products shipping into the EU.

RISC-V Development2026-09-14·4 min read

Fedora 45 RISC-V Rebuild: GCC Internal Compiler Errors on SpacemiT K1 and K3 Boards

Fedora's RISC-V group reports GCC ICEs on SpacemiT K1/K3 boards linked to new glibc vector optimisations, while the F45 rebuild stays on track.

RISC-V AI2026-09-14·4 min read

XuanTie Edge AI Solution: Titan 512–4096-bit Vector Engine and a Programmable RISC-V Scheduling Core

DAMO XuanTie's edge AI solution pairs a RISC-V scheduling core with a 512/1024/4096-bit Titan vector engine, 66 vector instructions and 177 operators.

RISC-V2026-09-12

Nuclei Tech (芯来科技) Files for IPO — Global First ASIL-D RISC-V Automotive CPU IP

Nuclei Technology files for BSE IPO. Global first RISC-V CPU IP certified to ISO 26262 ASIL-D. NA900 automotive IP, UX1030H RVA23 high-performance core, 300+ customers, 87% gross margin, 4.85B cash.

Software Ecosystem2026-09-12·10 min read

Rust on RISC-V 2026: Tier 2 with Host Tools + the New riscv64a23 Target

A snapshot of Rust's RISC-V platform support as of September 2026: which targets are stable, which is new, and why the Tier 1 RFC is still open. Practical build instructions and toolchain notes for production Rust on RISC-V hardware.

Datacenter2026-09-11·11 min read

RISC-V Server Chips Enter Production Datacenter: LX500, K3 & JH-B100

RISC-V server silicon moves from lab to production racks. Deep dive into BlueChip LX500, SpacemiT K3, and StarFive JH-B100 — the three chips that target the data center.

RISC-V Development2026-09-09·6 min read

YuzukiNeko Brings Allwinner F101 and a T-Head C907 Core to a Raspberry Pi Pico–Sized Linux SBC

Allwinner's F101 SoC — one 1.008 GHz T-Head C907 RISC-V core, 8–16MB SiP PSRAM — runs mainline Linux 7.2 and Zephyr on a 51×21 mm Pico-sized board.

RISC-V AI2026-09-09·5 min read

CONVOLVE's Chimera Chip: RISC-V Host Plus Memory-Centric and Neuromorphic Accelerators

TU/e's EU-funded CONVOLVE project taped out Chimera: RISC-V cores plus memory-centric and neuromorphic accelerators, validated on fabricated silicon.

RISC-V MCU2026-09-09·5 min read

Espressif ESP32-P4X-EYE Puts a 400 MHz Dual-Core RISC-V Vision Kit in a Camera Shell

Mouser stocks Espressif's ESP32-P4X-EYE: a camera-shaped kit on the dual-core 400 MHz RISC-V ESP32-P4 with up to 32MB PSRAM and H.264.

RISC-V AI2026-09-09·5 min read

NanoCore 3D-CIM: RISC-V Heterogeneous Compute-in-Memory Chips Near Mass Commercialization

Hangzhou NanoCore closed a ¥1B C1 round for 3D-CIM AI inference silicon combining DRAM near-memory, SRAM CIM and RISC-V. TOPS and node undisclosed.

RISC-V MCU2026-09-09·5 min read

Nuvoton NPCR1 OpenTitan RISC-V Secure MCU Lands in Antmicro's Renode Simulation Framework

Nuvoton's NPCR1 OpenTitan RISC-V secure MCU is simulatable in Antmicro's Renode, targeting FIPS 140-3 Level 1 and Common Criteria PP0084.

RISC-V MCU2026-09-09·5 min read

Waveshare ESP32-C5 Pico: Dual-Band Wi-Fi 6 RISC-V Board in Pico Form Factor From $8.99

Waveshare's ESP32-C5 Pico puts Espressif's 240 MHz RISC-V Wi-Fi 6 + 802.15.4 SoC on a Pico board. Specs, variants, pricing and toolchain.

RISC-V Datacenter2026-09-08·5 min read

SemiFive Starts Mass Production of HyperAccel Bertha: A >500 mm² 4nm Inference Accelerator

SemiFive starts mass production of HyperAccel's Bertha LLM inference chip on Samsung 4nm. Die area, schedule, contract terms, and the unconfirmed ISA.

ISA Standard2026-09-08

SJTU IPADS SPMP Ratified into RISC-V ISA — First China-Led ISA Extension in RISC-V’s 11-Year History

RISC-V International's Board of Directors approved the SJTU IPADS-led SPMP extension on Aug 31, 2026 — the first ISA extension defined end-to-end by a Chinese team in RISC-V's 11-year history. Deep dive on Supervisor Physical Memory Protection: motivation, encoding, hardware model, deployment on XiangShan and Nuclei.

RISC-V Development2026-09-07·6 min read

Andes Cut a RISC-V LSU Customization From 8.5 Weeks to 6 Using ChipAgents — Here Are the Numbers

Andes used ChipAgents' agentic AI on a RISC-V LSU customization and a BIU verification flow. The reported numbers, and the caveats.

RISC-V Development2026-09-07·6 min read

Design IP Hit $9.45B in 2025: CPU IP Took 43%, and Royalties Outgrew Licensing

SemiWiki's 2025 design IP tally: $9.45B market, CPU IP 43% share, royalties up 16.1% versus licensing up 10.7%. Where RISC-V's opening sits.

RISC-V MCU2026-09-07·6 min read

Haawking HX2000: The RISC-V DSP Line Behind a Fresh Series B — And What Still Isn't Published

Zhongke Haoxin closed a Series B for its Haawking HX2000 RISC-V DSP line. Verified facts, segment context, and the specs still missing.

RISC-V AI2026-09-07·7 min read

RISC-V Matrix Extensions in 2026: IME, VME and AME, Plus the VME Ratification Dates

IME, VME and AME are RISC-V's three matrix tracks. What each does, where they stand, and the VME freeze and ratification dates for 2026.

RISC-V Datacenter2026-09-07·7 min read

YiXing Intelligence Raises ¥1.5B to Scale Its Epoch RISC-V Cloud AI Chip and ELink Superpod

YiXing Intelligence closed a ¥1.5B Series B led by Beijing state funds to mass-produce the Epoch RISC-V cloud AI chip. Verified facts and open gaps.

Software Ecosystem2026-09-05

CPython Officially Adds RISC-V as Tier 3 Platform — First Open ISA in Python’s Support List

CPython now officially supports RISC-V as a PEP 11 Tier 3 platform. RISE Project provides buildbots, PyTorch wheels land on riscv64. Technical deep dive on what Tier 3 means, the roadmap to Tier 2, and the ecosystem gap.

RISC-V MCU2026-09-04·7 min read

Automotive RISC-V Control Chips Get Two Competing Rulebooks: Quintauris RT-Europa and the China SAE Specification

Two automotive RISC-V control-chip specs move in parallel: Quintauris RT-Europa and a China SAE standard covering lockstep, ASIL-D and HSM.

RISC-V AI2026-09-04·8 min read

ESWIN EIC7700 Was the Hardware Behind the HICOOL 2026 RISC-V + AI Challenge — And a 13.3 TOPS vs 19.95 TOPS Discrepancy

ESWIN's EIC7700 board powered the HICOOL 2026 RISC-V+AI final. Here are the verified SoC specs — and why two different TOPS figures are circulating.

RISC-V Development2026-09-04·9 min read

SpacemiT K1 and K3: What Landed Upstream in August 2026 — Kernel, Triton, llama.cpp and Toolchain

SpacemiT August 2026 upstream report: K3 display, UFS and PCIe patches in review, Triton merged into FlagTree, glibc 2.44 and GDB 17.2.

SpacemiT K12026-09-04

SpacemiT K1 Runs ONNX Runtime int4 LLM via IME Matrix Extension

SpacemiT K1 achieves ~80ms/token int4 LLM inference with ONNX Runtime by leveraging the X60 core's IME matrix extension. Technical deep dive on MatMulNBits, quantization, and performance tuning.

RISC-V2026-09-03·12 min read

Lingxu Smart P100: China's First Dynamic SMT4 RISC-V Server CPU

Lingxu Smart P100 is China's first server-class dynamic SMT4 RISC-V CPU core, engineered for the agentic-AI era. Deep dive into SMT1->SMT4 dynamic switching, 20-stage OoO pipeline, 8-decode/10-issue, TAGE branch prediction, SPEC CPU2006, hardware RAS auto-recovery, test chip tape-out Aug 2026.

RISC-V AI2026-09-02·5 min read

Axelera AI Europa: 629 TOPS at 45 W with 16 RISC-V Vector Cores on Samsung Foundry FinFET

Axelera AI's Europa pairs eight 2nd-gen AI PUs with 16 RISC-V vector cores: 629 TOPS at 45 W, 128 MB L2 SRAM, on Samsung Foundry FinFET.

RISC-V AI2026-09-02·5 min read

DeepComputing DC-ROMA RISC-V Mainboard III Enters Production: SpacemiT K3, 60 TOPS, First RVA23 Laptop Board

DeepComputing's DC-ROMA RISC-V Mainboard III enters production on SpacemiT K3 with 60 TOPS, claiming the first RVA23 laptop mainboard.

RISC-V Development2026-09-02·5 min read

Micro Magic MagicV: A 5 GHz, 13,000 CoreMark 64-bit RISC-V Core Running Linux, Zephyr and FreeRTOS

Micro Magic's MagicV 64-bit RISC-V cores claim 5 GHz and 13,000 CoreMarks, 200 mW per core, with Linux, Zephyr and FreeRTOS support.

RISC-V Development2026-09-02·6 min read

openKylin 3.0 Moves to Linux 7.0 with RVA23 Support: 36.5x FP16 Inference Gain from RVV Optimisation

openKylin 3.0 moves to Linux 7.0 with GCC 15, glibc 2.42 and LLVM 22, adds RVA23, and reports 2-5x FP32, up to 36.5x FP16 RVV gains.

RISC-V MCU2026-09-02·5 min read

Qualcomm Dragonwing Q-2390 and IQ-2390: A Real-Time RISC-V MCU Inside a Mainstream IoT SoC

Qualcomm's Q-2390 and IQ-2390 pair a quad-core Kryo CPU and Adreno 704 GPU with a real-time RISC-V MCU, running Linux, Android and Zephyr.

Computational Memory2026-08-31

XCENA MX1: 3,072 RISC-V Cores on a CXL Computational-Memory Card

Deep dive into the XCENA MX1 computational-memory device: 3,072 RISC-V cores, Samsung 4nm, 2TB DDR5, CXL 3.2, vector search and near-data processing. Hot Chips 2026 analysis.

Wireless MCU2026-08-29·12 min read

GigaDevice GD32VW553: RISC-V Dual-Mode Wi-Fi 6 + BLE 5.2 MCU

GigaDevice GD32VW553 is a Nuclei N307 32-bit RISC-V wireless MCU with integrated 2.4 GHz Wi-Fi 6 (802.11ax OFDMA + MU-MIMO) and Bluetooth LE 5.2 radio, 4 MB Flash, 320 KB SRAM, hardware AES/DES/Hash/PKCAU/TRNG, Matter-over-Wi-Fi certified. QFN32/QFN40, -40 to 105 °C.

Automotive RISC-V2026-08-28·14 min read

GigaDevice CCRC4XXX: First Post-Quantum RISC-V Automotive AI MCU

GigaDevice CCRC4XXX automotive AI MCU pairs CRV6 RISC-V cores with native post-quantum crypto (PQC), on-chip NPU, and Evita-Full HSM. Full spec deep-dive plus China's first RISC-V vehicle-control-chip standard from the Suzhou Automotive Summit.

Industrial Edge AI2026-08-27·10 min read

Zhongda Tech K3 Industrial Edge AI Module: 60 TOPS RISC-V on Mini COM-E

Zhongda Tech's SpacemiT K3-based industrial edge AI module delivers 60 TOPS in a Mini COM-E form factor. 8 X100 cores, 8 A100 AI cores, 30B LLM inference, -40 to 70°C, all-domestic supply chain.

RISC-V Datacenter2026-08-25·15 min read

SiFive BigSky SF-2U870: First Rackable 2U RISC-V Datacenter Server

SiFive BigSky SF-2U870 is the world's first enterprise-grade rackable 2U RISC-V server. Deep dive into P870-D cores, DDR5-5600, PCIe Gen5, NVMe, and CUDA/NVLink Fusion support.

WCH MCU2026-08-22·10 min read

CH32X035: All-in-One USB + Type-C PD RISC-V MCU from WCH

WCH's CH32X035 is the first QingKe RV32IMAC MCU with integrated USB 2.0 + USB PD + Type-C PHY, PIOC programmable I/O controller, dual OPA, triple CMP, 12-bit ADC and 65 KB Flash — collapsing any external PD trigger chip.

Development Tools2026-08-20·12 min read

Andes RVBuilder: AI-Assisted RISC-V IDE for VS Code

Andes RVBuilder brings RISC-V toolchain management, debugging and MCP-based AI assistance into Visual Studio Code. Cross-platform for Windows and Linux.

RISC-V IP2026-08-19·17 min read

StarFive Dubhe-100: First Deliverable Server-Grade RISC-V HPC CPU IP

RISC-V Connectivity2026-08-18·15 min read

Timesintelli PT153S: Fully Domestic RISC-V Gigabit USB Ethernet Controller

Technical deep dive into Timesintelli PT153S, a fully-domesticated RISC-V (RV32IMAC) USB 3.2 Gen1 to Gigabit Ethernet controller chip that shipped over 1M units in three months.

HPMicro HPM53M12026-08-17·14 min read

HPMicro HPM53M1: RISC-V MCU for Robot Joint Control

Technical deep dive into HPMicro HPM53M1, a 480MHz RISC-V MCU with integrated 150V motor drivers, 4x CAN-FD, and 2MSPS ADC designed for robot joint servo control.

SpacemiT K3 Hardware2026-08-15·12 min read

SpacemiT K3 Pico-ITX: Compact 60 TOPS RISC-V AI Computer

Technical overview of SpacemiT K3 Pico-ITX, a 2.5-inch Pico-ITX plus SBC built around the 60 TOPS RVA23 K3 AI CPU with 10GbE, NVMe, and dual M.2 expansion.

SpacemiT K32026-08-14·16 min read

SpacemiT K3: Flagship RISC-V AI CPU Deep Dive

Technical deep dive into SpacemiT K3, the world's first RVA23 mass-production RISC-V AI CPU: X100 cores, A100 AI engines, 60 TOPS, and four claimed world-first features.

SpacemiT K1 Application2026-08-13·10 min read

myCobot 280 RISC-V: World's First RISC-V Full-Stack Open-Source Robot Arm

Deep dive into the myCobot 280 RISC-V, the world's first 6-axis collaborative robot arm powered by the SpacemiT K1 RISC-V AI CPU with full-stack open-source design.

RISC-V Ecosystem2026-08-12·12 min read

XiangShan + Ruyi: China's Open RISC-V Processor System and Native OS

Deep dive into XiangShan Kunming Lake open-source RISC-V processor and the Ruyi native operating system for RISC-V.

WCH High-Performance MCU2026-08-11·15 min read

CH32H417: WCH's Dual-Core 400MHz RISC-V MCU with USB 3.0 5Gbps

RISC-V AI Chip2026-08-10·14 min read

中科通量金刚GC3: RISC-V + Dataflow Architecture for Video AIGC

Deep dive into the 金刚GC3 chip by 中科通量: 12 RISC-V cores, 200 TOPS INT8, 128GB LPDDR5 ECC unified memory, dataflow architecture designed for video generation and understanding.

RISC-V IP2026-08-09·16 min read

SiFive Performance P570 Gen 3: Data-Center-Grade RISC-V IP

WCH MCU2026-08-08·13 min read

CH32V407/467: 200MHz RISC-V with Dual USB HS, Ethernet PHY, and RVV

WCH MCU2026-07-15·8 min read

CH32V003: The $0.1 RISC-V MCU Getting Started Guide

WCH MCU2026-07-10·12 min read

CH32V317 Deep Dive: USB 2.0 HS + Ethernet PHY on a Single RISC-V Chip

SpacemiT K12026-07-05·15 min read

SpacemiT K1 OpenWrt SDK: Complete Development Guide

SpacemiT K32026-07-01·18 min read

K3 RVA23 Architecture: Why It Matters for RISC-V

WCH Tools2026-06-25·10 min read

MounRiver Studio: The IDE for WCH RISC-V Development

SpacemiT K12026-06-20·14 min read

K1 AI SDK: Running ML Models on RISC-V Hardware

Industry2026-06-15·16 min read

RISC-V vs ARM in 2026: The Real Ecosystem Gap

WCH MCU2026-06-10·11 min read

Building an Industrial Gateway with CH32V307

Enterprise Software8 min read

Canonical Sets Enterprise Target for Open-Source RISC-V — Ubuntu at Hot Chips 2026

Canonical outlines Ubuntu's enterprise RISC-V strategy at Hot Chips 2026: RVA23 baseline, 95% package parity, native builders, Kubernetes/MicroCloud porting, and RISE Project collaboration.

AI Infrastructure

Epic Semi Contrail AIX: First RISC-V “AI Execution Platform” with 32 Cores + 75 TOPS

Deep dive into Epic Semi Contrail AIX: 32 server-class RISC-V scalar cores + 16 integrated AI cores, up to 75 TOPS (INT8), RVA23, RVV 1.0 + VME, DDR5-6400, PCIe Gen5, CXL 2.0, hypervisor + AIA 1.0. Built for the Agentic AI Era.

Physical AI7 min read

MIPS Launches Acies, Actus & Aegis — Three RISC-V Platforms for Physical AI

GlobalFoundries-owned MIPS unveils three workload-native RISC-V platforms for physical AI: Acies for edge inference, Actus for real-time control, Aegis for safety-critical systems. Software-first design with class-leading tokens-per-watt.

Datacenter

NVIDIA Defines RISC-V as Third Server CPU for CUDA & NVLink Fusion at Hot Chips 2026

At Hot Chips 2026, NVIDIA laid out concrete requirements for RISC-V host CPUs to join its CUDA and NVLink Fusion stacks. RVA23, Boot & Runtime Services, ACPI 6.6, PCIe coherence, and peer-to-peer are mandatory. SiFive named as first RISC-V NVLink Fusion CPU partner.

Physical AI10 min read

Ruixin High-Beam D35: World's First RISC-V Dataflow Physical AI Chip Enters Mass Production

Suzhou Ruixin launches High-Beam D35, the world's first mass-produced RISC-V dataflow architecture physical AI chip. 128 GB memory, self-developed RISC-V CPU core recognized by Intel, ISCA 2026 best paper nominee. Technical deep dive on dataflow computing, physical AI applications, and ecosystem strategy.

From evaluation to production

Reading about RISC-V is one thing — shipping it is another. MeToclaw builds production-ready industrial and IoT hardware; BESTOM provides custom ODM design and volume manufacturing.