profiler

Makefile

@@ -10,3 +10,7 @@ $(STATIC_VFS):
 
 build: $(STATIC_VFS)
 	go build
+
+profile:
+	go test -cpuprofile=cprof ./tilerenderer
+	go tool pprof --text cprof

db/sqlite.go

@@ -130,6 +130,7 @@ func (db *Sqlite3Accessor) CountBlocks(pos1 coords.MapBlockCoords, pos2 coords.M
 
 	if len(poslist) > 999 {
 		//https://stackoverflow.com/questions/7106016/too-many-sql-variables-error-in-django-witih-sqlite3
+		//TODO: return before nested for loops
 		return -1, nil
 	}
 

tilerenderer/renderer_test.go

@@ -58,7 +58,7 @@ func TestTileRender(t *testing.T) {
     panic("no renderer")
   }
 
-  coord := coords.NewTileCoords(0,0,11,0)
+  coord := coords.NewTileCoords(0,0,12,0)
 
   data, err := tr.Render(coord)