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This is Alyssa Rosenzweig. She reverse-engineered Apple's M1 GPU with no public documentation and also developed an open-source Linux driver.
(programming.dev)
this post was submitted on 27 Aug 2026
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Linux
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I have such immense respect for people who know how the bits are physically flowing through a machine. I took classes about it but I can't imagine doing that daily, it's so tedious.
yeah I remember not being able to get my voltron lion to run in basic when I was in junior high.
And imagine doing it without expecting a cent!
Good on a resume.
That's for sure
It’s the challenge of it though.
thaaaaat’s the shit, when it finally cracks and you laser focus on implementing your solution. better than drugs.
The high of cracking an intractable problem (pre-AI) was just unreal. I’d struggle to sleep, awaiting the morning so I could get back at it.
Nothing groundbreaking but writing my own Huffman compressor in C and seeing the whole thing work knowing where nearly all the real physical bits were going, was seriously satisfying. Recommended exercise ☺️
‘Just for the lulz’.