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Petabyte vs Petascale - What's the difference?

petabyte | petascale |

As a noun petabyte

is one quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB.

As an adjective petascale is

a metric for objects on the scale of quadrillions (1015 or 1,000,000,000,000,000) of elements. Most often used for computer systems; a petascale computer system operates at speeds measured in petaflops and has memory measured in petabytes.

petabyte

English

Noun

(wikipedia petabyte) (en noun)
  • (SI) One quadrillion (1,000,000,000,000,000) bytes. SI symbol: PB.
  • (computing) 1,125,899,906,842,624 bytes or 10245, or 250. This capacity may be expressed unambiguously as a pebibyte. SI symbol: PiB, computing symbol: PB.

    • Coordinate terms

    * Previous: terabyte * Next: exabyte

    petascale

    English

    Adjective

    (-)
  • A metric for objects on the scale of quadrillions (1015 or 1,000,000,000,000,000) of elements. Most often used for computer systems; a petascale computer system operates at speeds measured in petaflops and has memory measured in petabytes.

    • Coordinate terms

    * gigascale * terascale

    References

    * Scalable System Software for Petascale Computer Systems * U.S. Department of Energy Office of Science Genomics glossary