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21CTO
21CTO
Sep 19, 2025 · Artificial Intelligence

Alibaba’s PPU Chip Outperforms NVIDIA A800 – How China’s AI Hardware Is Catching Up

A recent report comparing Alibaba’s home‑grown PPU AI accelerator with NVIDIA’s A800 shows the PPU’s 96 GB HBM2e memory, 700 GB/s bandwidth, PCIe 5.0×15 interface and 400 W power draw surpass the A800 and rival the H20, while large‑scale deployments in China’s telecom sector demonstrate rapidly growing compute capacity.

AI ChipAlibabaHBM2e
0 likes · 4 min read
Alibaba’s PPU Chip Outperforms NVIDIA A800 – How China’s AI Hardware Is Catching Up
Kuaishou Tech
Kuaishou Tech
Apr 25, 2021 · Game Development

How an NES (FC) Emulator Works: Architecture, Memory, CPU, PPU, and Rendering

This article explains the fundamental principles and workflow of building an NES (Family Computer) emulator, covering ROM loading, memory mapping, CPU and PPU collaboration, graphics rendering, sprite handling, palette management, and interrupt processing with illustrative code examples.

CPUGame DevelopmentMemory
0 likes · 17 min read
How an NES (FC) Emulator Works: Architecture, Memory, CPU, PPU, and Rendering