The hottest Processors Substack posts right now

And their main takeaways
Category
Top Technology Topics

RISC-V Vector Is Expanding

Fprox’s Substack • 269 implied HN points • 25 Jan 26
🕹 Technology Processors
  1. Zvabd adds vector integer absolute-value and absolute-difference instructions plus widened-accumulate variants, targeting DSP use and keeping some ops limited to 8/16-bit to reduce hardware cost.
  2. Zvzip provides vzip, vunzip (even/odd), and vpair instructions to interleave and extract paired elements more directly than emulating with vcompress, and these new ops support optional masking.
  3. Zvdot4a8i defines 4-element 8-bit dot-product vector ops (vector-vector and vector-scalar) that multiply and accumulate 4×8-bit groups into 32-bit results, paving the way for faster matrix-style computations.

An Interview with Dr. Krste Asanović

More Than Moore • 280 implied HN points • 15 Jan 26
🕹 Technology Processors
  1. RISC-V was designed as a simple, open, and modular ISA so researchers and companies can get a minimal base running quickly while adding custom extensions as needed. This lets hardware scale from tiny embedded devices to high-performance servers without forcing unnecessary features on every design.
  2. Real-world silicon and developer boards were crucial to turning academic work into a growing industry, which led to SiFive and many commercial design wins; building reusable IP for many customers is a different challenge than making a single research chip. Getting chips into developers' hands speeds software porting and ecosystem growth.
  3. A standards body and formal Profiles like RVA23 are essential to keep the ecosystem interoperable while still allowing customization, and extensions like the vector and upcoming matrix features target AI workloads. Completing compliance test suites and coordinating vendors are the next big steps to prevent fragmentation and ensure reliable implementations.

Intel’s Dream Coming True

Sector 6 | The Newsletter of AIM • 519 implied HN points • 29 Dec 23
🕹 Technology Processors
  1. Intel's CEO, Pat Gelsinger, set a tough goal to create five new technology nodes in just four years, and they achieved this faster than expected.
  2. They recently announced new processors called Intel Core Ultra and Intel Xeon, with more technology options coming next year.
  3. Intel is also planning to enter the GPU market and has exciting upgrades on the horizon with their Gaudi AI accelerator, which will have improved performance features.

The Evolution of Computing: From 8-bit to 64-bit

Deus In Machina • 0 implied HN points • 31 Aug 23
🕹 Technology Processors
  1. Computing technology evolved from 8-bit to 64-bit architectures over the years, impacting how we use and understand computers.
  2. Understanding bits, nibbles, and bytes provides insight into the fundamental units of computer data representation and processing.
  3. The transition from 8-bit to 64-bit computing brought advancements in hardware, software development, and overall system performance.
Get a weekly roundup of the best Substack posts, by hacker news affinity: