}
	return r, nil
}

// Free returns the count of port left in the range.
func (r *PortAllocator) Free() int {
	return r.alloc.Free()
}

// Used returns the count of ports used in the range.
func (r *PortAllocator) Used() int {
	return r.portRange.Size - r.alloc.Free()
}

// Allocate attempts to reserve the provided port. ErrNotInRange or

// alloc allocates n-byte block. The block is always aligned to 8 bytes, regardless of platform.
func (a *traceRegionAlloc) alloc(n uintptr) *notInHeap {
	n = alignUp(n, 8)
	if n > traceRegionAllocBlockData {
		throw("traceRegion: alloc too large")
	}
	if a.dropping.Load() {
		throw("traceRegion: alloc with concurrent drop")
	}

	traceExperimentAllocFree
)

// Experimental events.
const (
	_ traceEv = 127 + iota

	// Experimental events for ExperimentAllocFree.

	// Experimental heap span events. IDs map reversibly to base addresses.
	traceEvSpan      // heap span exists [timestamp, id, npages, type/class]
	traceEvSpanAlloc // heap span alloc [timestamp, id, npages, type/class]

	"math/rand"
	. "runtime"
	"testing"
	"time"
)

// makePallocData produces an initialized PallocData by setting
// the ranges of described in alloc and scavenge.
func makePallocData(alloc, scavenged []BitRange) *PallocData {
	b := new(PallocData)
	for _, v := range alloc {
		if v.N == 0 {
			// Skip N==0. It's harmless and allocRange doesn't
			// handle this case.
			continue
		}
		b.AllocRange(v.I, v.N)
	}

The maximum stack depth for alloc, mutex, block, threadcreate and goroutine

class SideEffects {
  enum Type {
    kAlloc = 0,
    kFree = 1,
    kRead = 2,
    kWrite = 3
  };

 public:
  bool IsAlloc() const { return effects_.test(kAlloc); }
  bool IsFree() const { return effects_.test(kFree); }
  bool IsRead() const { return effects_.test(kRead); }
  bool IsWrite() const { return effects_.test(kWrite); }
  bool IsAllocOnly() const { return IsAlloc() && effects_.count() == 1; }

constexpr float kRequantCost = 2.0;

// TODO(renjieliu): Ideally this should consider different kinds of SOCs as
// well.

// Get total bytes transferred.
int64_t GetTransferredTensorBytes(func::CallOp from_graph,
                                  func::CallOp to_graph) {
  int64_t total_size_transferred = 0;
  for (auto input : to_graph.getOperands()) {
    Operation* input_op = input.getDefiningOp();

        }

        public void alloc(Block block) {
            if (block.hasPos()) {
                return;
            }

            int requiredSize = block.getSize();

            if (entries.isEmpty() || requiredSize <= largestInNextBlock) {
                if (nextBlock.isNull()) {
                    return;
                }
                getNextBlock().alloc(block);
                return;

John Howard <******@****.***> 1709232034 -0800

        length: 32
      - address: WqgKAA==
        length: 24
- rules:
  - matches:
    - destinationPorts:
      - 91
      - 92
      notDestinationPorts:
      - 9001
      - 9002
name: allow