xilinx::AIE::HoldCycle Struct Reference

A cycle of waits packet streams can deadlock in, given their routes. More...

#include "aie/Dialect/AIE/Transforms/AIEStreamDependencyAnalysis.h"

Collaboration diagram for xilinx::AIE::HoldCycle:

Classes
struct	Step

Public Types
enum class	Wait { Link , Arbiter , Drain }

Public Attributes
llvm::SmallVector< Step, 4 >	steps

Detailed Description

A cycle of waits packet streams can deadlock in, given their routes.

A packet holds the arbiter of every switchbox it has entered until its last word leaves, so one stuck anywhere holds up whatever needs those arbiters, or queues behind it on a link.

Definition at line 101 of file AIEStreamDependencyAnalysis.h.

Member Enumeration Documentation

Wait

enum class xilinx::AIE::HoldCycle::Wait

strong

Enumerator
Link	waiting queues behind holding on the port both enter tile by.
Arbiter	waiting, or sharer it queues behind, needs the arbiter holding holds at tile; sharer enters by sharerInput and holding by holderInput.
Drain	waiting fills its receiver, and draining that waits on holding.

Definition at line 102 of file AIEStreamDependencyAnalysis.h.

Member Data Documentation

steps

llvm::SmallVector<Step, 4> xilinx::AIE::HoldCycle::steps

Definition at line 126 of file AIEStreamDependencyAnalysis.h.

Referenced by xilinx::AIE::StreamConflicts::explain(), and xilinx::AIE::StreamConflicts::holdCycle().

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The documentation for this struct was generated from the following file:

• include/aie/Dialect/AIE/Transforms/AIEStreamDependencyAnalysis.h