From 6331a29a82acd52c7a4b1211953515fe9cbcffe1 Mon Sep 17 00:00:00 2001
From: Sergey Malenkov <sergey.malenkov@huawei.com>
Date: Tue, 28 Jan 2025 13:41:25 +0300
Subject: [PATCH] test ArrayProxy performance

Signed-off-by: Sergey Malenkov <sergey.malenkov@huawei.com>
---
 incremental/compat/src/arkts/observable.ts |  2 +-
 incremental/demo-playground/src/main.ts    | 21 +++++++++++++++++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/incremental/compat/src/arkts/observable.ts b/incremental/compat/src/arkts/observable.ts
index 43ad4ae28..1abea6ae3 100644
--- a/incremental/compat/src/arkts/observable.ts
+++ b/incremental/compat/src/arkts/observable.ts
@@ -181,7 +181,7 @@ export function observableProxyArray<Value>(...value: Value[]): Array<Value> {
     return observableProxy(Array.of<Value>(...value))
 }
 
-const PROXY_DISABLED = true // because of ArkTS Reflection performance
+const PROXY_DISABLED = false // because of ArkTS Reflection performance
 
 /** @internal */
 export function observableProxy<Value>(value: Value, parent?: ObservableHandler, observed?: boolean, strict: boolean = true): Value {
diff --git a/incremental/demo-playground/src/main.ts b/incremental/demo-playground/src/main.ts
index a4ff32a38..b5c185124 100644
--- a/incremental/demo-playground/src/main.ts
+++ b/incremental/demo-playground/src/main.ts
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-import { uint32 } from "@koalaui/common"
+import { observableProxyArray, uint32 } from "@koalaui/common"
 import { CONTEXT_ROOT_SCOPE, IncrementalNode, NodeAttach, ReadonlyTreeNode,
     contextLocalValue, memoRoot, mutableState, updateStateManager,
 } from "@koalaui/runtime"
@@ -72,4 +72,21 @@ state.value = 19
 
 updateStateManager() // Compute the next frame.
 console.log(root.value.toHierarchy())
-console.log("-----END-----")
\ No newline at end of file
+console.log("-----END-----")
+
+function performance(count: number, proxy: boolean) {
+    const s = mutableState<Array<number>>(
+        proxy
+            ? observableProxyArray<number>()
+            : new Array<number>()
+    )
+    const t1 = Date.now()
+    for (let i = 0; i < count; i++) {
+        s.value.push(count)
+        s.value.pop()
+    }
+    const t2 = Date.now()
+    console.log("count:", count, "  proxy:", proxy, "  time:", t2 - t1)
+}
+performance(1000000, false)
+performance(1000, true)
-- 
Gitee