anyone have used new workerthread in nodejs? I suspect it have the same problem because I have see an abnormal use of memory if I call many time new Worker with simple script.
Il giorno sabato 12 maggio 2018 17:42:16 UTC+2, YJ ha scritto: > > Kinda related to this old thread > https://groups.google.com/forum/#!searchin/v8-users/isolate$20memory|sort:date/v8-users/C_CzX8nSbDU/c4FR8-j6BQAJ > > Basically, I'd imagine if I instantiate an isolate and immediately > "Dispose" it inside a loop, all memory used by the isolated should be > released therefore the loop could go on forever. In reality however, doing > this would consume all available memories and doesn't seem to release any > memory back to the os at all. It is not a "leak" in the sense that it can > be caught by valgrind, it appears something is actually hogging the memory. > I am really curious of what is holding onto the memory. I really hope I am > just missing something obvious and any help is appreciated. > > I test the following code on a MBP > > #include "v8/include/v8.h" > #include "v8/include/libplatform/libplatform.h" > > int main(int argc, char* argv[]) { > v8::V8::InitializeICUDefaultLocation(V8_LIB_FULL_PATH); > v8::V8::InitializeExternalStartupData(V8_LIB_FULL_PATH); > std::unique_ptr<v8::Platform> platform = > v8::platform::NewDefaultPlatform(); > v8::V8::InitializePlatform(platform.get()); > v8::V8::Initialize(); > for (auto i = 0; i < 1000000000; ++i) { > v8::Isolate::CreateParams create_params; > create_params.array_buffer_allocator = > v8::ArrayBuffer::Allocator::NewDefaultAllocator(); > v8::Isolate* isolate = v8::Isolate::New(create_params); > isolate->Dispose(); > delete create_params.array_buffer_allocator; > } > v8::V8::Dispose(); > v8::V8::ShutdownPlatform(); > } > > It will run until all memory is gone and macOS will just be unresponsive. > > I was using v8 version 6.5 and with the following build args > > is_debug = false > target_cpu = "x64" > use_drfuzz = false > use_libfuzzer = false > v8_enable_test_features = "" > v8_experimental_extra_library_files = [] > v8_extra_library_files = [] > symbol_level = 1 > is_component_build = false > use_sysroot = false > use_glib = false > use_custom_libcxx = false > use_custom_libcxx_for_host = false > v8_enable_i18n_support = false > icu_use_data_file = false > v8_static_library = true > v8_enable_gdbjit = false > > Thanks > > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
