From b7da85930b07828e26461883908171d8ba1bbb44 Mon Sep 17 00:00:00 2001
From: wangzhaoyong <wangzhaoyong@huawei.com>
Date: Sat, 30 Oct 2021 17:18:14 +0800
Subject: [PATCH 1/2] [[GC Threshold]]

Signed-off-by: wangzhaoyong <wangzhaoyong@huawei.com>
Change-Id: I9a21ae4a6300dabdfb549e5a4e2eda87cc4da3dc
---
 ecmascript/ecma_vm.cpp | 12 ++++++++++++
 ecmascript/ecma_vm.h   | 15 +++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/ecmascript/ecma_vm.cpp b/ecmascript/ecma_vm.cpp
index 761862a892..4cd073332f 100644
--- a/ecmascript/ecma_vm.cpp
+++ b/ecmascript/ecma_vm.cpp
@@ -193,6 +193,18 @@ bool EcmaVM::Initialize()
     InitializeFinish();
     notificationManager_->VmStartEvent();
     notificationManager_->VmInitializationEvent(0);
+    Platform::GetCurrentPlatform()->PostTask(std::make_unique<TrimNewSpaceLimitTask>(heap_));
+    return true;
+}
+
+bool EcmaVM::TrimNewSpaceLimitTask::Run()
+{
+    sleep(THREAD_SLEEP_TIME);
+    if (heap_->GetMemController()->IsInAppStartup()) {
+        heap_->SetFromSpaceMaximumCapacity(SEMI_SPACE_SIZE_CAPACITY);
+        heap_->SetNewSpaceMaximumCapacity(SEMI_SPACE_SIZE_CAPACITY);
+        heap_->ResetAppStartup();
+    }
     return true;
 }
 
diff --git a/ecmascript/ecma_vm.h b/ecmascript/ecma_vm.h
index d100ccfdba..bbf496dfe8 100644
--- a/ecmascript/ecma_vm.h
+++ b/ecmascript/ecma_vm.h
@@ -32,6 +32,7 @@
 #include "ecmascript/mem/heap.h"
 #include "ecmascript/mem/heap_roots.h"
 #include "ecmascript/mem/space.h"
+#include "ecmascript/platform/task.h"
 #include "ecmascript/snapshot/mem/snapshot_serialize.h"
 #include "ecmascript/tooling/pt_js_extractor.h"
 #include "include/panda_vm.h"
@@ -362,6 +363,20 @@ protected:
     void PrintJSErrorInfo(const JSHandle<JSTaggedValue> &exceptionInfo);
 
 private:
+    static constexpr uint32_t THREAD_SLEEP_TIME = 2;
+    class TrimNewSpaceLimitTask : public Task {
+    public:
+        TrimNewSpaceLimitTask(Heap *heap) : heap_(heap) {};
+        ~TrimNewSpaceLimitTask() override = default;
+        bool Run() override;
+
+        NO_COPY_SEMANTIC(TrimNewSpaceLimitTask);
+        NO_MOVE_SEMANTIC(TrimNewSpaceLimitTask);
+
+    private:
+        Heap *heap_;
+    };
+
     void AddPandaFile(const panda_file::File *pf, bool isModule);
     void SetProgram(Program *program, const panda_file::File *pf);
     bool IsFrameworkPandaFile(std::string_view filename) const;
-- 
Gitee


From a3d72dd271ccc99a3bcb9e4a62e3f724c7c05708 Mon Sep 17 00:00:00 2001
From: wangzhaoyong <wangzhaoyong@huawei.com>
Date: Sat, 30 Oct 2021 17:26:33 +0800
Subject: [PATCH 2/2] [[Set GC]]

Signed-off-by: wangzhaoyong <wangzhaoyong@huawei.com>
Change-Id: I5805aa688806c004669e8a66821a3e4e84983f85
---
 ecmascript/ecma_vm.cpp | 9 +++++++++
 ecmascript/ecma_vm.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/ecmascript/ecma_vm.cpp b/ecmascript/ecma_vm.cpp
index 4cd073332f..d9f8698996 100644
--- a/ecmascript/ecma_vm.cpp
+++ b/ecmascript/ecma_vm.cpp
@@ -208,6 +208,15 @@ bool EcmaVM::TrimNewSpaceLimitTask::Run()
     return true;
 }
 
+void EcmaVM::TurnDownLimit() {
+    sleep(THREAD_SLEEP_TIME);
+    if (heap_->GetMemController()->IsInAppStartup()) {
+        heap_->SetFromSpaceMaximumCapacity(SEMI_SPACE_SIZE_CAPACITY);
+        heap_->SetNewSpaceMaximumCapacity(SEMI_SPACE_SIZE_CAPACITY);
+        heap_->ResetAppStartup();
+    }
+}
+
 void EcmaVM::InitializeEcmaScriptRunStat()
 {
     // NOLINTNEXTLINE(modernize-avoid-c-arrays)
diff --git a/ecmascript/ecma_vm.h b/ecmascript/ecma_vm.h
index bbf496dfe8..c7b88d2da6 100644
--- a/ecmascript/ecma_vm.h
+++ b/ecmascript/ecma_vm.h
@@ -447,6 +447,8 @@ private:
     CVector<JSNativePointer *> arrayBufferDataList_;
     CVector<std::tuple<Program *, const panda_file::File *, bool>> pandaFileWithProgram_;
 
+    std::vector<std::unique_ptr<std::thread>> asyncTask_ {};
+
     friend class SnapShotSerialize;
     friend class ObjectFactory;
     friend class ValueSerializer;
-- 
Gitee