356 struct ExpandableSegment {  struct
357   ExpandableSegment(  in ExpandableSegment()  function
382   SegmentRange map(SegmentRange range) {  in map()
424   SegmentRange unmap(SegmentRange range) {  in unmap()
439   SegmentRange share(SegmentRange range, std::ostream& buf) {  in share()
458   static std::unique_ptr<ExpandableSegment> fromShared(  in fromShared()
517   char* ptr() const {  in ptr()
522   size_t size() const {  in size()
526   void addPeer(c10::DeviceIndex device) {  in addPeer()
532   ~ExpandableSegment() {  in ~ExpandableSegment()
540   void setAccess(c10::DeviceIndex device, size_t begin, size_t end) {  in setAccess()
550   void mapAndSetAccess(size_t begin, size_t end) {  in mapAndSetAccess()
565   void unmapHandles(size_t begin, size_t end) {  in unmapHandles()
591   void trimHandles() {  in trimHandles()
596   void forEachAllocatedRange(const std::function<void(size_t, size_t)>& fn) {  in forEachAllocatedRange()
607   size_t numSegments(size_t size) {  in numSegments()
610   size_t segmentLeft(char* p) {  in segmentLeft()
614   size_t segmentRight(char* p) {  in segmentRight()
618   SegmentRange rangeFromHandles(size_t begin, size_t end) {  in rangeFromHandles()
622   c10::DeviceIndex device_;
623   std::optional<cudaStream_t> stream_;
624   CUdeviceptr ptr_{};
625   size_t segment_size_;
626   size_t max_handles_;
627   struct Handle {
631   struct ShareHeader {
636   std::vector<std::optional<Handle>> handles_;
639   std::vector<c10::DeviceIndex> peers_;
642 struct ExpandableSegment {  struct
643   ExpandableSegment(  in ExpandableSegment()  function
651   SegmentRange map(SegmentRange range) {  in map()
654   SegmentRange unmap(SegmentRange range) {  in unmap()
657   SegmentRange share(SegmentRange range, std::ostream& ss) {  in share()
660   static std::unique_ptr<ExpandableSegment> fromShared(  in fromShared()
666   char* ptr() const {  in ptr()
669   size_t size() const {  in size()
672   void addPeer(c10::DeviceIndex device) {}  in addPeer()