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Re: Veritasium video on the frequency of bit flips

  • Subject: Re: Veritasium video on the frequency of bit flips
  • From: Dianne Skoll <dianne [ at ] skoll [ dot ] ca>
  • Date: Thu, 2 Sep 2021 16:00:32 -0400
On Thu, 2 Sep 2021 15:39:37 -0400
"Ian! D. Allen" <idallen [ at ] idallen [ dot ] ca> wrote:

> At 17m53s: "On one five-day [Space Shuttle Mission] there were 161
> separate bit flips."

> Okay, maybe we *do* need ECC RAM.

Certainly on the space shuttle.  Probably on important servers on Earth.

I wonder about flash memory.  As flash memory cells shrink, could a cosmic
ray flip the charge on the floating gate?  And if so, does flash have the
equivalent of ECC?

Regards,

Dianne.

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