Evidence receipt / preference
Published · transcript-backedReiner Pope: preference
22 May 2026 Dwarkesh Podcast Reiner Pope – Chip design from the bottom up
“Really there’s only one addition per dot product, but we like to start with zero.”
Source trail
Everything needed to verify it.
- Speaker
- Reiner Pope
- Attribution
- Verified speaker
- Claim type
- preference
- Recorded
- 22 May 2026
- Publisher
- Dwarkesh Podcast
Transcript context
…Just to make sure I understand why there are four multiply-accumulates: each entry in the column that corresponds to the output vector is a dot product, and in this case it will be two multiplications and then the addition of those two multiplications. You’re accumulating... Really there’s only one addition per dot product, but we like to start with zero. But it includes the initialization of zero.…
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