> According the benchmark, the fastest 8 GPU node takes about 0.5 seconds. The cost of that node on AWS is about 24$/hour. The 21 node spark cluster takes 6 sec

> According the benchmark, the fastest 8 GPU node takes about 0.5 seconds. The cost of that node on AWS is about 24$/hour. The 21 node spark cluster takes 6 seconds. But, it only costs 4$/hour. Using your numbers, the GPU solution has half the cost for similar performance? How does that not make sense? > This cost disadvantage restricts GPU processing to niche use cases. All GPU compute applications are niche use cases.