IBM doubles its 14nm EDRAM density, adds hundreds of megabytes of cache

Re:IBM doubles its 14nm EDRAM density, adds hundreds of mega... by tinco on Sunday March 08, 2020 @08:02PM (#22521642)

Is it really that easy to write reliable software for mainframes? What sort of abstraction do you get from them that you don't get in commodity hardware?

Nice easy shot at Robinhood of course, but they're a very young company. Do the big banks really have a fundamental edge that's not just more invested hours?

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Re:IBM doubles its 14nm EDRAM density, adds hundreds of mega... by msandford on Sunday March 08, 2020 @10:17PM (#22522338)

I think the idea is that your locks and threads are so close latency wise that you only need a few to get the job done. Versus trying to figure out how to parallelize things, some of which are inherently non-parallelizable. But sometimes you don't know until you try! Ain't life grand?

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