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Hello you fine Internet folks, NVIDIA has published a 45-page whitepaper explaining Vera, its first server CPU built around the company’s own Olympus core. On paper, Vera is a fascinating chip with an 88-core monolithic compute die, Olympus being a 10-wide…

Arm’s 5-series cores are meant for tasks where performance barely matters, but power and area efficiency are top priorities. Because they’re less performance sensitive, 5-series cores tend to be superseded less often than their more sophisticated counterparts.…

C++26 adds a new container to the standard library: std::hive. It is meant to occupy the ground between std::vector and std::list. Like a vector, it keeps its elements in contiguous blocks of memory, so scanning it does not require you to chase a pointer…

What 24 million GPS special messages reveal about military rekeying on a public channel.

Hello you fine Internet folks, Today we are talking about one of the stranger x86 stories I have seen in a while. According to both SemiAccurate and Reuters, Intel is giving a new startup called RosaicLabs access to the register transfer language code for…

讣告著名作曲家、音乐教育家、上海音乐学院离休干部陈钢教授，因...

Hello you fine Internet folks, Today we are over AMD's Advancing AI 2026 event to chit chat on their newly revealed CDNA5 architecture with Alan Smith! AMD's Corporate Fellow and Chief Architect for Datacenter GPUs. Hope y'all enjoy! The transcript below…

Sunlight after dark

When your program asks for memory that is not in cache, the processor has to go to RAM. That trip costs on the order of 100 nanoseconds. On a 3 GHz core, that is about 300 cycles of doing nothing. Memory latency has not improved in ten years. The 2016 Broadwell…

Every week, I discuss with people who want to get a PhD. For years, I have been advising people not to pursue a PhD. It may come as a surprise to some. You would expect people with a PhD to earn more money. Individuals who complete doctorates tend to have…

Hello you fine Internet folks, here at AMD’s Advancing AI event we are looking at AMD’s brand new Instinct MI455X, replacing the older Instinct MI355X at the top of their AI stack. It is AMD’s first GPU designed for rack-scale AI deployments and is based…

七月初，超频爱好者们又给老黄带来了新的惊喜：RTX 5090 的若干非公开的温度传感器的 PCIe BAR 地址被逆向了出来： 123。这些传感器包含了四个热点（hotspot）CH0 到 CH3，以及每一片 GDDR7 显存模块的温度（根据型号不同，可能有 8 或者 16 个传感器）。这些热点传感器比公开 AP...