Hi @kazum,
I enabled the debugging logs of Autotune TVM, it is failing to tune the model on iOS device. can you please have a look into the below debugging logs Extract tasks... Tuning... Get devices for measurement successfully! [15:27:22] /Users/Dileep/LatestTVM/31_08/tvm/src/runtime/metal/metal_device_api.mm:137: Intializing Metal device 0, name=Intel Iris Pro Graphics No: 1 GFLOPS: 0.00/0.00 result: MeasureResult(costs=('Cannot request iphone after 5 retry, last_error:Traceback (most recent call last):\n [bt] (4) 5 libtvm.dylib 0x0000000113c86f26 TVMFuncCall + 70\n [bt] (3) 4 libtvm.dylib 0x0000000113cdf3b0 std::__1::__function::__func<tvm::runtime::$_0, std::__1::allocator<tvm::runtime::$_0>, void (tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*)>::operator()(tvm::runtime::TVMArgs&&, tvm::runtime::TVMRetValue*&&) + 336\n [bt] (2) 3 libtvm.dylib 0x0000000113cde753 tvm::runtime::RPCClientConnect(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, tvm::runtime::TVMArgs) + 99\n [bt] (1) 2 libtvm.dylib 0x0000000113cdd206 tvm::runtime::RPCConnect(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, tvm::runtime::TVMArgs) + 390\n [bt] (0) 1 libtvm.dylib 0x0000000112f92641 dmlc::LogMessageFatal::~LogMessageFatal() + 113\n File "/Users/Dileep/LatestTVM/31_08/tvm/src/runtime/rpc/rpc_socket_impl.cc", line 73\nTVMError: Check failed: sock.Connect(addr): Connect to 127.0.0.1:9090 failed',), error_no=7, all_cost=60, timestamp=1599127077.6432252) [('tile_f', [-1, 1, 128, 1]), ('tile_y', [-1, 7, 1, 1]), ('tile_x', [-1, 1, 7, 1]), ('tile_rc', [-1, 1]), ('tile_ry', [-1, 1]), ('tile_rx', [-1, 1]), ('auto_unroll_max_step', 1500), ('unroll_explicit', 0)],None,65389 [15:28:01] /Users/Dileep/LatestTVM/31_08/tvm/src/runtime/metal/metal_device_api.mm:137: Intializing Metal device 0, name=Intel Iris Pro Graphics I always see the above logs while tuning the model, can you please suggest to me what is wrong in the tuning? Hi @jacobpostman, did you get any solution for the above issue. Thanks, --- [Visit Topic](https://discuss.tvm.ai/t/auto-tvm-how-to-auto-tune-the-model-on-ios-device/7681/11) to respond. You are receiving this because you enabled mailing list mode. To unsubscribe from these emails, [click here](https://discuss.tvm.ai/email/unsubscribe/539b2999e6d0e990dd998aa9860913209efbbae9ba5378021552c0886ebad535).