Commit 02537ede authored by Grant's avatar Grant
Browse files

benifet from parallel db queries

parent eaa32dcb

src/render_worker.ts

+9 −1
Original line number Diff line number Diff line
@@ -68,9 +68,11 @@ parentPort?.on("message", (msg: Message) => { 


        let index = msg.frameStart;

        let needsInit = true;

        let nextTime = msg.start;

        let nextPixels = getPixelsAsLog(nextTime, nextTime + msg.step);



        for (let time = msg.start; time < msg.end; time += msg.step) {

          const pixels = await getPixelsAsLog(time, time + msg.step);

          const pixels = await nextPixels;



          log("generating frame " + index);
@@ -132,6 +134,12 @@ parentPort?.on("message", (msg: Message) => { 
            );

          }



          // run db query in paralell

          nextTime = time + msg.step;

          if (nextTime < msg.end) {

            nextPixels = getPixelsAsLog(nextTime, nextTime + msg.step);

          }



          // Encode current canvas state to PNG and write

          const data = await canvas.encode("png");

          await fs.promises.writeFile(