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#650 – Accessible ASICs with Andreas Olofsson

64 min • 13 november 2023

Welcome back, Andreas Olofsson of ZeroASIC!

Andreas was on the show back in 2015 (ep 254) talking about the Parallela, a crowdfunded parallel calcuation board by his then-company Adapteva
What is enabling more open source to happen?
- Unit economics really impact silicon designs
- Open source effects have been having a positive effect on the industry. Andreas maintains a meta repo of 400 tools.
Fewer fabs than 2008, mask sets still expensive
Semiconductor singularity
Andreas is deep into the world of “chiplets”
This is the basis of his new company ZeroASIC
Before he started that he was a program manager at a little outfit called DARPA
Andreas focused on lowering costs, with the idea that 3 people should be able to design a chip
He worked under Bill Chappell, the director of the Microsystems Technology Office (MTO)
OpenROAD
POSH
CHIPS
TinyTapeout
Andrew Kang UCSD
Chiplets
We had Ming Zhang on to tlk about ZGlue, but that was a slightly different architecture
What is a chiplet?
AXI on chip
SERDES
Types of interconnect
Organic
Types of output
SIP, Chip, SOM
ZeroASIC is Andreas’ latest company
They started by releasing a Silicon compiler project
New thing is take system customers and build them an ASIC
Optimizing speed and cost
Mostly targeting aerospace and defense
Try it out yourself on the ZeroASIC emulation page
Their main processor is a Quadcore RISC V
There are no off the shelf chiplets
eFabric Active Interposer
Defining a standard
arm made a standard called amba
AIB from Intel was opensourced
Getting external contributors (hardware vs software)
LatchUp – Fossi
Personal passion drives people to contribute
You’re really buying a datasheet from a big company
Loading the design to AWS
Check out the ZeroASIC openings
Read about how ZeroASIC is democratizing chip making

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