The 386 microcode sequencer has a one-cycle pipeline delay: when a jump or RNI (run next instruction) is decoded, the micro-instruction immediately after it has already been fetched and will execute before the jump takes effect. This "delay slot" is a basic property of the sequencer, and the microcode is written to fill it with useful work rather than waste a cycle on a bubble. The examples in the PTSAV section above show this: at 582/5AE, the micro-instruction after LCALL executes before the subroutine begins.
adjacent stuff I’ve written over the years, roughly in the order of，更多细节参见PDF资料
The fact that OpenAI has increasingly shifted its strategy to focus on professionals shouldn't be surprising. When Microsoft announced last September it would add Anthropic's models to Copilot 365 (where previously it depended exclusively on OpenAI's systems), there were reports that suggested the company made the decision because it found Claude was better at tasks like generating spreadsheets and presentations. Reporting from The Information suggests OpenAI is generating about $25 billion in annualized revenue. However, the company is still far from being profitable, and with more than $1.4 trillion in data center commitments on the books, it's reliant on funding from investors to keep the lights on. Seen in that context, productivity represents a place where it might have a chance to build a sustainable business.。搜狗输入法下载是该领域的重要参考
Suppose that I walk into a new deli expecting to get a sandwich with roast beef, but that when I place my order, the person working the counter says that they don't have roast beef. If I were to relay this little disappointment to my friends, I might say, "You know that new deli on Fifth St.? It turns out they don't even have roast beef!"