public virtual void Build(MetricDB db, int num_pairs, int maxCandidates = -1)
{
this.DB = db;
this.Fingerprints = new BinQ8HammingSpace (1);
this.Sample = new SampleSpace("", this.DB, num_pairs * 2);
this.MaxCandidates = maxCandidates;
var n = this.DB.Count;
var A = new byte[n][];
int pc = this.DB.Count / 100 + 1;
int advance = 0;
var create_one = new Action<int> (delegate(int i) {
var fp = this.GetFP(this.DB[i]);
A[i] = fp;
if (advance % pc == 0) {
Console.WriteLine ("DEBUG {0} ({1}/{2}), db: {3}, num_pairs: {4}, timestamp: {5}", this, advance, n, db.Name, num_pairs, DateTime.Now);
}
advance++;
});
ParallelOptions ops = new ParallelOptions();
ops.MaxDegreeOfParallelism = -1;
Parallel.For (0, n, create_one);
foreach (var fp in A) {
this.Fingerprints.Add( fp );
}
var s = new Sequential ();
s.Build (this.Fingerprints);
this.InternalIndex = s;
}
public virtual void Build(MetricDB original, MetricDB pairs)
{
this.Fingerprints = new BinQ8HammingSpace (1);
this.Pairs = pairs;
var n = original.Count;
var A = new byte[n][];
int blocksize = 1000;
int pc = original.Count / 100 + 1;
int advance = 0;
var create_block = new Action<int> (delegate(int blockID) {
var sp = blockID * blocksize;
var ep = Math.Min (n, sp + blocksize);
for (; sp < ep; ++sp) {
var fp = this.GetFP(original[sp]);
A[sp] = fp;
if (advance % pc == 0) {
Console.WriteLine ("DEBUG {0} ({1}/{2}), db: {3}, num_pairs: {4}, timestamp: {5}", this, advance, n, original.Name, this.Pairs.Count/2, DateTime.Now);
}
advance++;
}
});
ParallelOptions ops = new ParallelOptions();
ops.MaxDegreeOfParallelism = 1;
Parallel.For (0, 1 + n/blocksize, create_block);
foreach (var fp in A) {
this.Fingerprints.Add( fp );
}
}
public override void Load(BinaryReader Input)
{
base.Load (Input);
this.Sample = SpaceGenericIO.SmartLoad (Input, false);
this.InternalIndex = IndexGenericIO.Load (Input);
this.Fingerprints = this.InternalIndex.DB as BinQ8HammingSpace;
}
public void Load(BinaryReader Input)
{
this.Name = Input.ReadString ();
this.Pairs = SpaceGenericIO.SmartLoad (Input, false);
this.Fingerprints = SpaceGenericIO.SmartLoad(Input, false) as BinQ8HammingSpace;
}
