Various thresholds and options controlling the behavior of the profile inference algorithm. Default values are tuned for several large-scale applications, and can be modified via corresponding command-line flags.
Declared in <llvm/Transforms/Utils/SampleProfileInference.h>
struct ProfiParams;| Name | Description |
|---|---|
CostBlockDec | The cost of decreasing a block's count by one. |
CostBlockEntryDec | The cost of decreasing the entry block's count by one. |
CostBlockEntryInc | The cost of increasing the entry block's count by one. |
CostBlockInc | The cost of increasing a block's count by one. |
CostBlockUnknownInc | The cost of increasing an unknown block's count by one. |
CostBlockZeroInc | The cost of increasing a count of zero-weight block by one. |
CostJumpDec | The cost of decreasing a jump's count by one. |
CostJumpFTDec | The cost of decreasing a fall-through jump's count by one. |
CostJumpFTInc | The cost of increasing a fall-through jump's count by one. |
CostJumpInc | The cost of increasing a jump's count by one. |
CostJumpUnknownFTInc | The cost of increasing an unknown fall-through jump's count by one. |
CostJumpUnknownInc | The cost of increasing an unknown jump's count by one. |
CostUnlikely | The cost of taking an unlikely block/jump. |
EvenFlowDistribution | Evenly distribute flow when there are multiple equally likely options. |
JoinIslands | Join isolated components having positive flow. |
RebalanceUnknown | Evenly re-distribute flow among unknown subgraphs. |