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I read A faster way to convert a timestamp ➜ Hour, Min, Sec the other day and coincidentally I had been messing around with another problem involving the multiply by a magic number instead of division trick.

It can be a pain if you need to install python packages on a Pi Zero and there are no wheels available because of the low memory and slow CPU.

I spent some time recently on a tool to OCR images which have been rendered (ie.

The einsum function in numpy, jax or pytorch is a compact way of describing tensor operations which involve pairing up values, multiplying the pairs, and summing their products.

In my last post on Hash Filenames, I showed a fast 40 byte escaping of a SHA256 32 byte digest suitable for use on Linux filesystems as a filename.

I was looking into restic the other day and it uses a content addressed directory layout common to many programs.

Let’s say you have a CNC machine of some kind and a list of 2d points the machine needs to visit and want to determine what order to visit the points in.

In case you’re not familiar, Program Explorer programexplorer.org is a project I started nearly a year ago with the goal of having a website to quickly run programs from container images in the browser.

In case you’re not familiar, Program Explorer programexplorer.org is a project I started nearly a year ago with the goal of having a website to quickly run programs from container images in the browser.

One idea I’ve had kicking around for a bit is something like a stock exchange but for compute.