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by rnrn
471 days ago
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> It also meant anyone who actually wanted a CPU core in their design got something that was guaranteed to work and easy to integrate. in theory only. caravel had hold time violations and the pin configuration mostly didn’t work for the first 5 or 6 sponsored
OpenMPW shuttles. |
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My understanding is that there were problems with the whole Open PDK, and that most designs would have run into similar issues even if Caravel wasn't preventing IO configuration.
The didn't ship those early OpenMPW runs out at all, the designs where resubmitting to later runs. In a way, the incident proves the point: Caravel allowed them to quickly prove their yield for those early shuttles was essentially 0%, without needing to test the user design.