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Set pieceByBytesPendingSlice capacity in advance to reduce memory pressure

This commit is contained in:
Matt Joiner 2013-10-22 18:02:52 +11:00
parent fe5f8317d4
commit 8f0b076f65
1 changed files with 4 additions and 1 deletions
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5
client.go
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@ -250,7 +250,10 @@ func (me pieceByBytesPendingSlice) Swap(i, j int) {
}
func (t *Torrent) piecesByPendingBytesDesc() (indices []peer_protocol.Integer) {
slice := pieceByBytesPendingSlice{}
slice := pieceByBytesPendingSlice{
Pending: make([]peer_protocol.Integer, 0, len(t.Pieces)),
Indices: make([]peer_protocol.Integer, 0, len(t.Pieces)),
}
for i := range t.Pieces {
slice.Pending = append(slice.Pending, t.PieceNumPendingBytes(peer_protocol.Integer(i)))
slice.Indices = append(slice.Indices, peer_protocol.Integer(i))