P-machine Performance
The end result was a 9"x11" board for the CPU that ran UCSD p-System faster than anything else, by a wide margin. As much as 35-50 times faster than the LSI-11 interpreter, and 7-9 times faster than the Western Digital Pascal MicroEngine did by replacing the LSI-11 microcode with p-code microcode. It also ran faster than the Niklaus Wirth Lilith machine but lacked the bit-mapped graphics capabilities, and around the same speed as a VAX-11/750 running native code. (But the VAX was hampered by the poor code coming out of the Berkeley Pascal compiler, and was also a 32-bit machine.)
Read more about this topic: Joel Mc Cormack
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