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Quantitative Finance · शब्दावली

Instance lottery क्या है?

Definition 17.4 Networks, Hardware and Trading Infrastructure · अध्याय 17 — Where the Crypto Venues Live

The instance lottery is the practice of launching many cloud machines in a venue’s region and zone, measuring each one’s round trip to the venue, keeping the fastest few and releasing the rest, because the provider places each machine without telling the customer where.

Simulation: the expected best round trip to the venue among n launches, for lognormal launches with a median of 270\, µ s and a best 1% at 150\, µ s (the published figures of chapter 16 and of the AWS blog, used as assumptions). The first ten launches save 94\, µ s; the next 150 another 47. Data: fig_find.py, nw_find.lottery_curve(). — Figure 17.2. Simulation: the expected best round trip to the venue among $n$ launches, for lognormal launches with a median of $270\,\text{µ}\mathrm{s}$ and a best 1% at $150\,\text{µ}\mathrm{s}$ (the published figures of chapter 16 and of the AWS blog, used as assumptions). The first ten launches save $94\,\text{µ}\mathrm{s}$ ; the next 150 another 47. Data: fig_find.py, nw_find.lottery_curve().

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