X3D Ultimate Form: AMD's Bold Move to Stack L2 Cache, Achieving Dual Advances in Energy Efficiency and Latency Reduction
4 week ago / Read about 0 minute
Author:小编   

Having established a dominant presence in the gaming CPU market with its groundbreaking 3D V-Cache technology, which leverages stacked L3 cache, AMD is once again pushing the boundaries of innovation. Recently, the tech giant unveiled its latest stride in cache architecture through a research paper entitled 'Balanced Latency Stacked Cache' (Patent No. US20260003794A1), highlighting its ambitious plan to implement stacked L2 cache. This cutting-edge technology is designed to slash data access latency and amplify energy efficiency by vertically stacking L2 cache layers.

To facilitate seamless vertical communication between these stacked chips, AMD intends to harness advanced connection technologies such as Through-Silicon Vias (TSV) or Bonding Pad Vias (BPV). By strategically positioning the connection vias at the geometric center of the stacked structure, AMD aims to minimize wiring lengths, thereby ensuring uniform data access times across all layers and curtailing transmission losses.

Patent data provides a compelling example: when applied to a 1MB L2 cache, this revolutionary technology has the potential to reduce the required clock cycles for data access from 14 to a mere 12. Such a reduction could translate into a substantial boost in processor computing speed, ushering in a new era of performance.

However, it's important to note that this patent is currently in the application publication stage. The journey from patent application to product launch is a lengthy one, fraught with various challenges. Factors such as manufacturing processes and thermal management will undoubtedly play a pivotal role in determining the actual performance of this technology once it hits the market.