[feat] SPIR-V binary stored in tmp directory per username

[jjfumero]

Description

This PR improves the handling of the SPIR-V binary by storing the intermediate binary in a temp directory per user. This can avoid some issues when running TornadoVM in a Compute/HPC cluster by multiple users.

Problem description

Directory permission issues due to sharing the same folder in some systems (e.g., Linux).

Backend/s tested

Mark the backends affected by this PR.

• [ ] OpenCL
• [ ] PTX
• [X] SPIRV

OS tested

Mark the OS where this PR is tested.

• [X] Linux
• [ ] OSx
• [ ] Windows

Did you check on FPGAs?

If it is applicable, check your changes on FPGAs.

• [ ] Yes
• [X] No

How to test the new patch?

$ make BACKEND=spirv

tornado-test --jvm="-Dtornado.spirv.dispatcher=levelzero" -V --debug uk.ac.manchester.tornado.unittests.foundation.TestFloats

tornado-test --jvm="-Dtornado.spirv.dispatcher=opencl" -V --debug uk.ac.manchester.tornado.unittests.foundation.TestFloats