GitLab

- Ensure embedding tensors are on the same device. Change format.
- Optimize embedding kernel with vectorized memory access and __ldg
- Add vectorized memory access using float4/float2, half2, and bfloat162
- Use __ldg instruction for read-only weight and indices access
- Add memory alignment checks to enable vectorized paths
- Add __restrict__ keywords for better compiler optimization
- Implement dynamic block size selection based on embedding_dim