The problem with this picture is that there is no cache! If there is no cache, and all processors have to rely on memory alone, the performance will be horrible. Because the latency of memory is hundreds of cycles compared to several cycles of the cache.
The problem with this picture is that there is no cache! If there is no cache, and all processors have to rely on memory alone, the performance will be horrible. Because the latency of memory is hundreds of cycles compared to several cycles of the cache.