Selective speculative class-based optimization
A method, apparatus, and/or computer program product performs selective speculative class-based optimization through the use of a type propagation analysis of class. Responsive to a determination that the type of class is not a fixed type, a determination is made as to whether the class is sub-class...
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| creator | STOODLEY MARK G SUNDARESAN VIJAY |
| description | A method, apparatus, and/or computer program product performs selective speculative class-based optimization through the use of a type propagation analysis of class. Responsive to a determination that the type of class is not a fixed type, a determination is made as to whether the class is sub-classed. Responsive to a determination the class is not sub-classed, a virtual synthetic property method is created. The virtual synthetic property method is accommodated in an enhanced java virtual machine using a stack frame type. The stack frame type has associated metadata for throwing an exception and an invisibility property. The virtual synthetic property method, along with a virtual guard, is inlined, and a slow path is created. The slow path handles executions of the virtual synthetic property method when sub-classes of the class, which override an implementation of the virtual synthetic property method, are loaded in the future. |
| format | Patent |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Selective speculative class-based optimization |
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