Swift for TensorFlow Does Not Work in Playground

When I run Playground in Xcode, I get an error message and it doesn't work.

[Procedure]
We have introduced Xcode beta and Swift for TensorFlow with reference to the following sites.
https://github.com/tensorflow/swift/blob/master/Usage.md

After configuring Swift for TensorFlow for Toolchains on Xcode beta, I ran the following code on Playground with reference to the site and encountered an error:

import TensorFlow

let x = Tensor <Float > ([1,2], [3,4])])
print(x)

[Error Message]
The LLDB RPC server has crashed.

Please tell me how to resolve the above error.
Thank you for your cooperation.

swift tensorflow

2022-09-30 21:34

1 Answers

Nice to meet you.I tried introducing TensorFlow in the same way, but it seems to fall in the same way.
The environment here is

macOS X 10.14 (Mojave)
Xcode 10.0 (Download from App Store, not 番)
What was the TensorFlow question? (SEPTEMBER 17, 2018 non-CUDA version)

Yes, but

The REPL mentioned in the Usage starts /Library/Developer/Toolchains/swift-latest/usr/bin/swift from Terminal and runs REPL samples→ Normal operation

Toolchain

Xcode, create a Playground and enter the sample you asked → RPC Error

The specific details of the error are
In the directory ~/Library/Logs/DiagnosticReports, click
lldb-rpc-server_[Date] -[Process Number?]_[My Machine Name].crash
A file called

has been created, and when you check the contents, you will see that

Process: lldb-rpc-server [62885]
Path: /Applications/Xcode.app/Contents/SharedFrameworks/LLDBRPC.framework/Version/A/Resources/lldb-rpc-server
Identifier—lldb-rpc-server
Version—2
Code Type: X86-64 (Native)
Parent Process: Xcode [62870]
Responsible: lldb-rpc-server [62885]
User ID: 501

Date/Time: 2018-10-0603:56:20.527+0900
OS Version: Mac OS X 10.14 (18A391)
Report Version—12
Bridge OS Version: 3.0 (16P375)
Anonymous UUID:52707192-7890-DB55-F0A7-F9A15E883136


Time Awake Since Boot: 780000 seconds

System Integrity Protection: enabled

Crushed Thread: 6<lldb.process.internal-state(pid=62905)>

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000000000
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Segmentation fault:11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exceler [62885]

VM Regions Near 0:
-->
    __TEXT0000000109 f1d000-0000000109 fae000[580K]r-x/rwx SM=COW/Applications/Xcode.app/Contents/SharedFrameworks/LLDBRPC.framework/Version/A/Resources/lldb-rpc-server

Thread 0:: Connection:: RunLoop() packet reading thread Dispatch queue: com.apple.main-thread
0libsystem_kernel.dylib 0x00007ffff720888a6read+10
1 lldb-rpc-server 0x0000000109f26f37rpc_common::RPCConnectionSocket::Read(std::__1::basic_string<unsigned char, std::__1::char_trits<unsigned char>, std:__1::allocator<gundool>17)
2 lldb-rpc-server 0x0000000109f2dab7rpc_common::Connection::ReceivePacket(rpc_common::RPCPacket&)+149
3 lldb-rpc-server 0x0000000109f2d5c0rpc_common::Connection::RunLoop()+152
4 lldb-rpc-server 0x0000000109f6fbfe main+494
5libdyld.dylib0x00007ffff71f4e085 start+1

Therefore, import TensorFlow starts another process using RPC (remote procedure call) and passes the data to it for processing, but it seems to have failed when passing the data you want to process to the processing.

That's all I've found out, and I think I'll have to build TensorFlow from the source and modify the contents of Swift for TensorFlow.
At this stage, I think it would be good to send a bug report to the author and wait for it to be fixed.

I can't tell from the question how well @ShinichiroYogo knows Swift or Mac's PRC, so if @ShinichiroYogo has the enthusiasm to track down this source, find and fix bugs, I think that's good.

2022-09-30 21:34

If you have any answers or tips

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