Complex sentence: Controlling these characteristics is becoming more and more important as the rest of technology begins to speed up, packaging delays can make up almost half of a high-performance computer's delay, and the bottleneck on speed is expected to increase.
Split into simpler sentences: Controlling these characteristics is becoming increasingly important as the rest of technology begins to speed up. Packaging delays have the potential to make up almost half of a high-performance computer's delay, and this bottleneck on speed is expected to increase.