perf timing

mapblockaccessor/mapblockaccessor.go

@@ -27,7 +27,7 @@ func getKey(pos coords.MapBlockCoords) string {
 }
 
 func NewMapBlockAccessor(accessor db.DBAccessor) *MapBlockAccessor {
-	c := cache.New(100*time.Millisecond, 200*time.Millisecond)
+	c := cache.New(500*time.Millisecond, 1000*time.Millisecond)
 
 	return &MapBlockAccessor{accessor: accessor, c: c}
 }
@@ -60,6 +60,7 @@ func (a *MapBlockAccessor) FindLegacyMapBlocks(lastpos coords.MapBlockCoords, li
 		for _, l := range layerfilter {
 			if (block.Pos.Y*16) >= l.From && (block.Pos.Y*16) <= l.To {
 				inLayer = true
+				break
 			}
 		}
 

mapblockparser/mapblock.go

@@ -41,11 +41,11 @@ func (mb *MapBlock) GetNodeName(x, y, z int) string {
 	return mb.BlockMapping[id]
 }
 
-func NewMapblock() MapBlock {
+func NewMapblock() *MapBlock {
 	mb := MapBlock{}
 	mb.Metadata = NewMetadata()
 	mb.BlockMapping = make(map[int]string)
-	return mb
+	return &mb
 }
 
 func NewMetadata() *Metadata {

mapblockparser/parse.go

@@ -40,14 +40,14 @@ func Parse(data []byte, mtime int64, pos coords.MapBlockCoords) (*MapBlock, erro
 	offset = 6
 
 	//metadata
-	count, err := parseMapdata(&mapblock, data[offset:])
+	count, err := parseMapdata(mapblock, data[offset:])
 	if err != nil {
 		return nil, err
 	}
 
 	offset += count
 
-	count, err = parseMetadata(&mapblock, data[offset:])
+	count, err = parseMetadata(mapblock, data[offset:])
 	if err != nil {
 		return nil, err
 	}
@@ -86,5 +86,5 @@ func Parse(data []byte, mtime int64, pos coords.MapBlockCoords) (*MapBlock, erro
 		mapblock.BlockMapping[nodeId] = blockName
 	}
 
-	return &mapblock, nil
+	return mapblock, nil
 }

tilerenderer/renderer.go

@@ -156,30 +156,32 @@ func (tr *TileRenderer) RenderImage(tc *coords.TileCoords, recursionDepth int) (
 	}
 	log.WithFields(fields).Debug("Quad image stats")
 
+	start := time.Now()
+
 	upperLeft, _, err := tr.RenderImage(quads.UpperLeft, recursionDepth-1)
 	if err != nil {
-		panic(err)
-		//return nil, err
+		return nil, nil, err
 	}
 
 	upperRight, _, err := tr.RenderImage(quads.UpperRight, recursionDepth-1)
 	if err != nil {
-		panic(err)
-		//return nil, err
+		return nil, nil, err
 	}
 
 	lowerLeft, _, err := tr.RenderImage(quads.LowerLeft, recursionDepth-1)
 	if err != nil {
-		panic(err)
-		//return nil, err
+		return nil, nil, err
 	}
 
 	lowerRight, _, err := tr.RenderImage(quads.LowerRight, recursionDepth-1)
 	if err != nil {
-		panic(err)
-		//return nil, err
+		return nil, nil, err
 	}
 
+	t := time.Now()
+	quadrender := t.Sub(start)
+	start = t
+
 	img := image.NewNRGBA(
 		image.Rectangle{
 			image.Point{0, 0},
@@ -211,11 +213,34 @@ func (tr *TileRenderer) RenderImage(tc *coords.TileCoords, recursionDepth int) (
 		draw.Draw(img, rect, resizedImg, image.ZP, draw.Src)
 	}
 
+	t = time.Now()
+	quadresize := t.Sub(start)
+	start = t
+
 	buf := new(bytes.Buffer)
 	png.Encode(buf, img)
 
+	t = time.Now()
+	encode := t.Sub(start)
+	start = t
+
 	tile := mapobjectdb.Tile{Pos: tc, Data: buf.Bytes(), Mtime: time.Now().Unix()}
 	tr.tdb.SetTile(&tile)
 
+	t = time.Now()
+	cache := t.Sub(start)
+
+	fields = logrus.Fields{
+		"X":          tc.X,
+		"Y":          tc.Y,
+		"Zoom":       tc.Zoom,
+		"LayerId":    tc.LayerId,
+		"quadrender": quadrender,
+		"quadresize": quadresize,
+		"encode":     encode,
+		"cache":      cache,
+	}
+	log.WithFields(fields).Debug("Cross stitch")
+
 	return img, buf.Bytes(), nil
 }

tilerenderer/renderer_test.go

@@ -95,5 +95,4 @@ func TestTileRender(t *testing.T) {
 	f, _ = os.Create("../output/0_0_13.png")
 	bytes.NewReader(data).WriteTo(f)
 
-
 }