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#risc-v

Pushing the limits of RISC-V emulation

Hacker News Top ↗ · 2026-07-29 Cached

This blog post explores how to make RISC-V execution faster on non-RISC-V machines using an ahead-of-time recompiler that connects basic blocks with tail calls and leverages Clang's preserve_none calling convention, as part of the OpenVM project at Axiom.

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#risc-v

ESP32-C6 Power Consumption: Arduino vs. Zephyr vs. ESP-IDF Comparison

Hacker News Top ↗ · 2026-07-25 Cached

A detailed comparison of power consumption for the ESP32-C6 microcontroller across three software frameworks: Arduino, Zephyr RTOS, and ESP-IDF, using standardized testing methodologies.

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#risc-v

RISC-V Is Inevitable: State of the Union Keynote Argues

Hacker News Top ↗ · 2026-07-15 Cached

At the RISC-V Summit Europe 2026, Krste Asanović declared the open-standard ISA's state as strong, highlighting its expansion into high-performance server-class silicon and adoption by major tech companies like Qualcomm, Nvidia, and Google.

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RISCBoy is an open-source portable games console, designed from scratch

Hacker News Top ↗ · 2026-07-11 Cached

RISCBoy is an open-source portable gaming console built with a RISC-V CPU and raster graphics pipeline, implemented on an iCE40 FPGA. The project includes the processor design, graphics hardware, PCB layout, and is fully open-source.

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#risc-v

Book: RISC-V System-on-Chip Design

Hacker News Top ↗ · 2026-07-09 Cached

A textbook covering the detailed design of RISC-V microprocessors and system-on-chip, including open-source SystemVerilog code and test cases for single-issue, superscalar, and multicore implementations.

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#risc-v

Home made GPU escalated quickly [video]

Hacker News Top ↗ · 2026-07-05 Cached

The author built a DIY GPU-like parallel computing cluster using 65536 low-cost RISC-V microcontrollers (CH570), achieving QVGA resolution rendering, and solved engineering challenges such as power supply, heat dissipation, and programming automation.

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#risc-v

DIY RISC-V ultracluster

Lobsters Hottest ↗ · 2026-07-04 Cached

A hardware enthusiast built an immersion-cooled supercluster using 8192 RISC-V microcontrollers (CH570) and shared their challenges and solutions regarding clock, SPI signals, and production capacity.

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@tenstorrent: Thank you Tokyo! Here’s everything we announced at TT-Deploy Japan: Faster AI Inference • Kimi K2.6 900 t/s/u, 3x faste…

X AI KOLs Timeline ↗ · 2026-07-02 Cached

Tenstorrent announced at TT-Deploy Japan faster AI inference for Kimi K2.6, LTX 2.3, and DeepSeek-R1 on their hardware, plus the licensable TT-Ascalon S RISC-V CPU for agentic AI.

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Pine64 launch $50 smart speaker for Home Assistant tinkerers

Hacker News Top ↗ · 2026-07-01 Cached

Pine64 launched the PineVoice, a $50 RISC-V smart speaker designed for Home Assistant tinkerers, featuring open-source firmware and local voice control via the Wyoming protocol.

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A QNX-inspired operating system with selectable kernels

Hacker News Top ↗ · 2026-06-28 Cached

QSOE 0.1, a QNX-inspired operating system with selectable kernels (Skimmer microkernel or seL4), has been released. It targets 64-bit RISC-V hardware and is available under Apache-2.0.

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#risc-v

One man, two kernels, and a lot of RISC-V

Hacker News Top ↗ · 2026-06-26 Cached

Yuri Zaporozhets of QRV Systems has built a RISC-V-based personal computer and a mainframe on an FPGA, and rewritten QNX twice. His latest OS QSOE is gaining attention in the FOSS world.

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QSOE: QNX-inspired OS with dual-kernel architecture

Hacker News Top ↗ · 2026-06-22 Cached

QSOE project v0.1 is released, providing a QNX-compatible operating system with two microkernel variants (custom Skimmer kernel and seL4-based), shared userspace, and support for SiFive Unmatched RISC-V hardware.

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#risc-v

The MilkV Jupiter 2/SpacemiT K3 (RISC-V vector compute)

Hacker News Top ↗ · 2026-06-11 Cached

Review of the MilkV Jupiter 2 single-board computer featuring the SpacemiT K3 RISC-V SoC with 16 cores and vector compute, exploring its capabilities for running AI inference workloads.

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ESP32-S31

Hacker News Top ↗ · 2026-06-03 Cached

Espressif announced the ESP32-S31, a dual-core RISC-V SoC with Wi-Fi 6, Bluetooth 5.4 LE, Ethernet, and advanced security features, targeting IoT and multimedia applications.

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JLink JTAG Access on the Pinecil

Hacker News Top ↗ · 2026-06-02 Cached

A detailed guide on connecting a JLink JTAG probe to the Pinecil soldering iron via its breakout board to enable hardware debugging of the Bouffalo Lab BL706 MCU (SiFive E24 core) using JLinkGDBServer and GDB, particularly useful for Zephyr RTOS development.

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Built an AI Accelerator and opensourced it. [P]

Reddit r/MachineLearning ↗ · 2026-05-31

The author open-sourced a custom AI accelerator (atik) implemented on FPGA with native BF16 and attention support, demonstrating significant speedups over PyTorch for various models.

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ByteDance has had enough of waiting months for processors, so it's going to make them itself (2 minute read)

TLDR AI ↗ · 2026-05-29 Cached

ByteDance is developing custom CPUs using Arm and RISC-V architectures to support its AI infrastructure and reduce reliance on Intel and AMD due to long processor delivery times.

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Riscrithm – An intuitive RISC-V assembler and optimizer coded in Go

Hacker News Top ↗ · 2026-05-25 Cached

Riscrithm is a high-level macro-assembly dialect for RISC-V, written in Go, that compiles readable code into pure RISC-V assembly with optional optimization.

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DCGAN inference on a microcontroller: 12.6M parameters, 512KB SRAM, 26-second generation, pure C [P]

Reddit r/MachineLearning ↗ · 2026-05-25

Demonstrates running a DCGAN with 12.6M int8 quantized parameters on a low-cost RISC-V microcontroller (CH32H417), generating 64x64 cat faces in 26 seconds using pure C inference and quantum entropy sampling.

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#risc-v

RISC-V and Floating Point

Hacker News Top ↗ · 2026-05-18

A report on the RISC-V architecture's floating point capabilities and updates.

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