Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Memory Usage #5

@sebogh

Description

@sebogh

another stuff that over allocate memory (i'm run benchmark for 100000 count)

can we lower the memory usage?

ROUTINE ======================== github.com/heimdalr/dag.(*DAG).AddEdge in /home/vtolstov/.cache/go-path/pkg/mod/github.com/heimdalr/dag
@v0.9.11/dag.go
  252.53MB   596.07MB (flat, cum) 23.62% of Total
         .          .    179:   if d.isEdge(src, dst) {
         .          .    180:           return EdgeDuplicateError{src, dst}
         .          .    181:   }
         .          .    182:
         .          .    183:   // get descendents and ancestors as they are now
         .   149.02MB    184:   descendants, _ := d.GetDescendants(dst)
         .   194.52MB    185:   ancestors, _ := d.GetAncestors(src)
         .          .    186:
         .          .    187:   // check for circles, iff desired
         .          .    188:   if src == dst || descendants[src] {
         .          .    189:           return EdgeLoopError{src, dst}
         .          .    190:   }
         .          .    191:
         .          .    192:   d.muDAG.Lock()
         .          .    193:
         .          .    194:   // prepare d.outbound[src], iff needed
         .          .    195:   if _, exists := d.outboundEdge[src]; !exists {
   52.01MB    52.01MB    196:           d.outboundEdge[src] = make(map[Vertex]bool)
         .          .    197:   }
         .          .    198:
         .          .    199:   // dst is a child of src
   97.51MB    97.51MB    200:   d.outboundEdge[src][dst] = true
         .          .    201:
         .          .    202:   // prepare d.inboundEdge[dst], iff needed
         .          .    203:   if _, exists := d.inboundEdge[dst]; !exists {
   40.50MB    40.50MB    204:           d.inboundEdge[dst] = make(map[Vertex]bool)
         .          .    205:   }
         .          .    206:
         .          .    207:   // src is a parent of dst
   62.51MB    62.51MB    208:   d.inboundEdge[dst][src] = true
         .          .    209:
         .          .    210:   // for dst and all its descendants delete cached ancestors
         .          .    211:   for descendant := range descendants {
         .          .    212:           if _, exists := d.ancestorsCache[descendant]; exists {
         .          .    213:                   delete(d.ancestorsCache, descendant)

Metadata

Metadata

Assignees

No one assigned

    Labels

    enhancementNew feature or request

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions