Archive - zach's tech blog

Why is it so hard for startups to compete with Cadence?

And is Morris Chang’s daughter single?

7 hrs ago •

June 2025

Why did Untether AI fail?

Another one bites the dust.

Jun 16 •

May 2025

Why is SambaNova giving up on AI training?

The one where Zach gets sued.

May 5 •

April 2025

Why is it taking so long to build new IP cores?

Standards are getting more complex and harder to satisfy.

Apr 28 •

Scaling Thermodynamic Computing

Or: What the hell is Normal Computing actually making?

Apr 16 •

March 2025

February 2025

AI chip startups don’t need to be great to get acquired.

Meta might buy Furiosa, just because they’re good enough.

Feb 18 •

Apple’s M-series CPUs just got hacked.

Speculative execution strikes again.

Feb 12 •

January 2025

Side channel attacks on AI chips are very real.

BarraCUDA and other attacks show that GPU side channels are practical.

Jan 21 •

Hacking Trusted Execution Environments with BadRAM

TEEs aren’t as secure as they seem.

Jan 6 •

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