devel: performance timings

src/Atlantis/src/Client/Mapster/Layers.fs

@@ -18,6 +18,12 @@ open Maps
 let sideEffectCmd fn arg = Elmish.Cmd.OfPromise.perform fn arg Noop
 let sideEffectCmd' (fn: unit -> unit) = Elmish.Cmd.OfPromise.perform (fn >> Promise.lift) () Noop
 
+[<Emit("performance.now()")>]
+let perfNow () = jsNative
+
+/// Used to gather timings of variable fetch -> drawn layer
+let mutable t0: float = 0.0
+
 let private logPos x = if x < 1.e-10f then -10.f else x |> float |> Math.Log10 |> single
 let private logNeg x = if x < -1.e10f then -10.f else -x |> float |> Math.Log10 |> single
 
@@ -40,6 +46,7 @@ let updateWebglLayer model prop (layer: MapLayer) =
                 webglLayer.updateOpacity prop.Alpha
                 webglLayer.updateProps data
                 source.refresh ()
+                console.debug $"time: {(perfNow ()) - t0}"
         )
     }
     |> Async.StartImmediate

src/Atlantis/src/Client/Mapster/Mapster.fs

@@ -49,6 +49,7 @@ let fetchProp (model: Model) =
     let prop = model.glLayers[Ocean]
 
     async {
+        t0 <- perfNow ()
         let! n = fvcomApi.Archive.GetNLayers aid
         let l = if model.surface then 0 else n - 1
         match prop.PropType with
@@ -68,6 +69,7 @@ let fetchCompressedProp (model: Model) =
     let prop = model.glLayers[Ocean]
 
     async {
+        t0 <- perfNow ()
         let! n = fvcomApi.Archive.GetNLayers aid
         let l = if model.surface then 0 else n - 1
         match prop.PropType with

src/Atlantis/src/Client/public/js/zfp_decomp.js

@@ -9,6 +9,7 @@ async function decompress(compressedData, originalLength, tolerance) {
   // Wait for wasm module to load
   const Zfp = await Module();
 
+  const t0 = performance.now();
   // malloc and memcpy compressed array into wasm heap
   let compressed_p = Zfp._malloc(compressedData.length);
   Zfp.HEAP8.set(compressedData, compressed_p);
@@ -21,6 +22,8 @@ async function decompress(compressedData, originalLength, tolerance) {
     tolerance,
   );
 
+  const t = performance.now();
+  console.log(`decompress: ${t - t0}`);
   // Retrieve uncompressed data from wasm heap
   return Zfp.HEAPF32.subarray(new_data_p / 4, new_data_p / 4 + originalLength);
 }