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A CPU that runs entirely on GPU
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Overview
nCPU is a CPU architecture that operates entirely on GPU, utilizing tensors for registers, memory, flags, and the program counter. All arithmetic operations, including addition, multiplication, bitwise operations, and shifts, are performed through trained neural networks, with specific methods like Kogge-Stone carry-lookahead for addition and learned byte-pair lookup tables for multiplication.
Summary from github.com.
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Hacker News · github.com
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Based on 5 sampled comments from this thread. Analyzed 2026-03-04.
- Praise: The exploration of running a CPU entirely on a GPU opens up intriguing possibilities for future computing architectures, potentially revolutionizing how we approach processing tasks.
- Concern: The skepticism about completely replacing CPUs with GPUs highlights fundamental differences in how each handles latency and processing, suggesting that a full transition may not be feasible.