Here's a Windows fun fact
Here's a Windows fun fact
Here's a Windows fun fact
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That has nothing to do with single threading that shit, an Arduino could draw that image faster. Most likely something fails to start correctly and windows waits for a 30 second timeout to run out before continuing anyway.
Well yeah, the reply is obviously a joke. Displaying an image is a single threaded task regardless of the contents, and adding threads will just make it slower.