The hottest Computer Architecture Substack posts right now

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Motorola's 6809 : The Best 8-Bit?

The Chip Letter • 17 HN points • 03 Mar 24
🕹 Technology Operating Systems Video Games Memory management Computer Architecture
  1. Motorola's 6809 microprocessor series evolved to become a major player in the 8-bit era, competing with the likes of Intel and Zilog.
  2. The architecture of the 6809 was designed with 'source code' compatibility with the 6800, allowing programs written in 6800 assembly language to run, but with changes in machine code.
  3. Despite its advancements, the 6809 faced limitations due to the rise of more advanced processors like the 68000, leading to it being seen as an evolutionary rather than revolutionary design.

[V]ery [L]ong [I]ncoherent [W]riteup

Irrational Analysis • 1 HN point • 24 Feb 24
🕹 Technology Semiconductor industry Computer Architecture
  1. VLIW architectures are unique computer architectures with benefits like low power consumption, low latency, and area efficiency, but they come with a significant challenge for compilers, often requiring manual assembly coding by experts.
  2. Historically, VLIW architectures have a long and colorful history dating back to the early 1980s, including examples like Intel Itanium, Movidius/Intel, Xilinx/AMD, Qualcomm Hexagon, Google TPU, and Texas Instruments VelociTI, each with varying degrees of success and challenges.
  3. Groq, a company leveraging VLIW architecture, demonstrates the ongoing struggle with VLIW compilers, as highlighted through their efforts to optimize performance for a specific model, showcasing the complexities and limitations associated with 144-wide VLIW architecture.

Khải Trần: công nghệ chip máy tính tiến về đâu?

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 19 Sep 18
🕹 Technology Computer Architecture Chip Design Machine Learning Future Technology
  1. The history of computer chip technology evolution highlights the shift from vacuum tubes to transistors leading to higher performance and faster clock speeds.
  2. The era of Moore's Law brought about significant advancements in chip design by increasing the number of transistors and optimizing instruction execution.
  3. With the end of Moore's Law approaching, the future of chip technology may involve domain-specific chips tailored for specific tasks, like deep learning, to overcome physical limitations and energy consumption challenges.

The Relentless Pursuit of Moore’s Law

Bits and Bytes • 1 HN point • 24 Sep 23
🕹 Technology Innovation Semiconductor Computer Architecture AI
  1. Innovations in the pursuit of Moore's Law evolved individually until high-volume semiconductor manufacturing adopted them.
  2. Advancements in transistor density and computer design followed an S-curve pattern with periods of rapid progress followed by diminishing returns.
  3. Architectural innovations, like wider instruction widths and core-level parallelism, drove the evolution of computers with each 10X increase in transistor count.

Lập trình máy kỳ dị

Thái | Hacker | Kỹ sư tin tặc • 19 implied HN points • 11 Feb 14
🕹 Technology Programming Cybersecurity Computer Architecture
  1. Microcorruption game is a fun way to practice reverse engineering and memory exploitation skills, with varying levels of difficulty to learn from and enjoy.
  2. Playing Microcorruption requires understanding computer structure, memory organization, and different types of vulnerabilities and attacks commonly used in software exploitation.
  3. Reprogramming a running program involves complexities like controlling program state, manipulating memory, and executing desired commands, showcasing the intriguing world of software exploitation.
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