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  1. Dashboard
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  4. Minimal Value Types and Valhalla value types command line options

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Old Version 4

changes.mady.by.user Mandy Chung

Saved on Jun 24, 2017

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New Version 5

changes.mady.by.user Paul Sandoz

Saved on Jun 27, 2017

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  • -XX:EnableMVT
    Boolean value, default value is `false`
    If true enable support for minimal value types with a value capable class and an associated derived value type.
  • -XX:EnableValhalla
    Boolean value, default value is `false`
    If true enable support for "valhalla" value types, which in contrast to MVT supports direct value types in conjunction with byte code generation or with the javac flag "enableValueTypes".
  • -XX:ValueTypePassFieldsAsArgs
    Boolean value, default value is `false``true`
    Pass each value type field as an argument to a method call instead of a value type reference
  • -XX:ValueTypeReturnedAsFields
    Boolean value, default value is `false``true`
    Return value type fields instead of a value type reference
  • -XX:ValueArrayFlatten
    Boolean value, default value is `false``true`
    Flatten arrays of values, if possible
  • -XX:ValueArrayElemMaxFlatSize
    Integer value, default is -1
    Max size for flattening an array of values, < 0 means no limit
  • -XX:ValueArrayElemMaxFlatOops
    Integer value, default is 4
    Max number of embedded object references in value type to flatten in an array, < 0 means no limit 
  • -XX:ValueArrayAtomicAccess
    Boolean value, default value is `false`
    Enable atomic access to values in an array
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