Christoforos E. Kozyrakis,
Stylianos Perissakis,
David Patterson,
Thomas Anderson, et al.
"Scalable Processors in the Billion-Transistor Era: IRAM".
IEEE Computer (magazine).
1997.
says
"Vector IRAM ...
can operate as a parallel built-in self-test engine for
the memory array, significantly reducing the DRAM
testing time and the associated cost."