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The memory wall still exists, and the situation may even be worsening. Ragu Sriramaneni, an expert in HBM architectural design at Micron, expressed this view at the Hot Chips 2026 semiconductor academic conference held at Stanford University on the 23rd local time. The memory wall refers to the rapid enhancement of chip performance responsible for computation, while the memory responsible for data transmission fails to keep pace with computing speed, resulting in a performance bottleneck. In the era of artificial intelligence, this bottleneck has not only persisted but has become increasingly severe. Sriramaneni noted that the computing performance of AI accelerators improves by about three times every two years, while the performance of HBM (High Bandwidth Memory), which supplies data, has increased by less than two times in the same period. Even the most powerful chips will be ultimately constrained by the speed of the data transmission channels. He predicts, 'Breaking the boundaries between computing units and memory, through new architectural designs, will be a path to overcoming the memory wall.'

On August 24, Yushu Technology's stock price opened lower and continued to decline throughout the day. By the close, it was at 603.08 yuan, down over 10%, with a total market value of 243.9 billion yuan. Based on the previous trading day's closing price, Yushu Technology's market value evaporated by over 20 billion yuan in a single day, and has decreased by more than 200 billion yuan since its opening day.

According to a recent update from OpenAI CEO Sam Altman, during the early launch phase of ChatGPT in 2023, despite its rapid growth, many within the company felt that this surge was "unstable" and even likened it to "low-value growth." There was uncertainty about what users were actually doing with the tool, and doubts about the sustainability of this growth. At that time, Altman had outlined another 5 or 6 directions to discuss with Peter Thiel. Thiel advised him against making a change. He compared ChatGPT to Google’s search box from years ago, emphasizing that it has a blank input field where users can ask anything. Thiel noted that Silicon Valley had chased Google's business model for 20 years, and now something similar had emerged. Although it did not align with the popular product logic in Silicon Valley at the time, it was experiencing rapid growth, and shifting focus elsewhere would be a "clear mistake." After hearing this, Altman decided to double down on ChatGPT. Reflecting on this decision, he stated that it was Thiel's "simple yet extremely important genius judgment."