Update TVM backend to TVM 0.26.x

[guillon]

Motivation

Update to recent version of TVM which should support split. Move from tvm 0.19 to tvm 0.26.

Note that the legacy TE Scheduler is not supported anymore in this version of TVM, hence the XTC tvm backend changed to support only TIR Schedule (tir_schedule TVM backend option defaults now to True).

Description

Update TVMCompiler and TVMScheduler for the new TVM version.

Update runtime support which changed with the new TVM version: now using tvm_runtime.so and tvm_ffi.so.

Update to upstream official tvm packages: apache_tvm and apache_tvm_ffi instead of our own built tvm package, this deprecates for now the xtc-tools/tvm-wheels repository which is not necessary anymore.

Update tests as the outputed TVM IR changed from TVM 0.19 to TVM 0.26.

Commits

Ref to last commit

Discussion

n/a

[guillon]

@qaco @liamsemeria for information, update to TVM 0.26 and use directly apache tvm packages instead of our own xtc-tvm-wheels.

I will merge when ok, though you may comment.

[codecov]

Codecov Report

❌ Patch coverage is 82.15768% with 43 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/xtc/backends/tvm/TVMCompiler.py	82.73%	19 Missing and 5 partials ⚠️
src/xtc/utils/host_tools.py	52.00%	8 Missing and 4 partials ⚠️
src/xtc/utils/cfunc.py	91.83%	3 Missing and 1 partial ⚠️
src/xtc/targets/host/HostCEvaluator.py	25.00%	2 Missing and 1 partial ⚠️

📢 Thoughts on this report? Let us know!

[qaco]

@qaco @liamsemeria for information, update to TVM 0.26 and use directly apache tvm packages instead of our own xtc-tvm-wheels.

I will merge when ok, though you may comment.

Wow that's nice!