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A back-of-the-envelope calculation based on market size, price-performance, hardware lifespan estimates, and the sizes of Google’s data centers estimates that there is around 3.98 * 10^21 FLOP/s of computing capacity on GPUs and TPUs as of Q1 2023.
Consulting firms reported their estimates of the world-wide GPU market size for 2017, 2018, 2019, 2020, 2021, and 2022.1)2)3)4)5)6) Unfortunately, the details of these reports are paywalled, so the methodology and scope of these estimates is not completely clear. A sample of GMI’s report on 2022 GPU market size seems to indicate that the estimate is reasonably comprehensive.7)