This Pi Day, Emma Haruka Iwao has announced calculation of $\pi$ to $\pi \times 10^{13} = 31,\!415,\!926,\!535,\!897$ digits, exceeding the previous record of 22 trillion digits set in November 2016.
This used y-cruncher, running Chudnovky’s algorithm. Chudnovky’s algorithm is $\mathcal{O}(n(\log n)^3)$, making each record more impressive. In a blog post, Emma writes about the benefits of using a cloud cluster, saying the calculation ran on a virtual machine cluster, using