100 trillion digits of Pi have been calculated - a new world record

Retro · 11 Jun 2022

Any mega nerd care to read them all out?

Before we dive into the tech, here’s an overview of the job we ran to calculate our 100 trillion digits of π.

Program: y-cruncher v0.7.8, by Alexander J. Yee

Algorithm: Chudnovsky algorithm

Compute node: n2-highmem-128 with 128 vCPUs and 864 GB RAM

Start time: Thu Oct 14 04:45:44 2021 UTC

End time: Mon Mar 21 04:16:52 2022 UTC

Total elapsed time: 157 days, 23 hours, 31 minutes and 7.651 seconds

Total storage size: 663 TB available, 515 TB used

Total I/O: 43.5 PB read, 38.5 PB written, 82 PB total

Google's press release:

Calculating 100 trillion digits of pi on Google Cloud | Google Cloud Blog

Compute Engine improvements like the N2 machine family and 100 Gbps egress bandwidth allowed us to calculate 100 trillion digits of pi—a world record.

cloud.google.com