flydsl implementation of a16w16 gemm

[omuhamma]

Motivation

To write the gemm for gfx1250 in flydsl (WIP)

FlyDsl Pr: ROCm/FlyDSL#401

Test Plan

Unit tests

Test Result

All tests pass

Submission Checklist

• Look over the contributing guidelines at https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

[github-actions]

🏷️ CI Guide

Runs automatically on every PR:

• ✅ Pre-checks (submodule verification, code formatting)
• ✅ Aiter op tests (gfx942 + gfx950)
• ✅ Triton tests (only when aiter/ops/triton/** or related paths are changed)

Extended tests (opt-in via labels):

Label	Tests
ci:triton-355	Run Triton tests on MI355 in addition to MI325
ci:sglang	SGLang integration tests
ci:atom	ATOM benchmark (DeepSeek-R1 + GPT-OSS)
ci:vllm	vLLM benchmark
ci:all	All of the above

Add labels via the sidebar or gh pr edit 2725 --add-label <label>

[coderfeli]

@omuhamma is this validated on silicon? could you plz also create a pr to flydsl if ready? Also, @yadaish is also trying naive gemm here.

[omuhamma]

@coderfeli Its only been tested on AM workflows as of now, I will further optimize the code and test it on hardware soon.

Added FlyDSL PR to the description