Sounio-lang/sounio: v0.13.0 - GPU Backend Complete

GPU Computing Infrastructure Complete GPU backend with 20,661 lines of SIR/codegen. Features SPIR-V binary emission PTX code generation GPU test harness Register allocation for GPU Example ```sio kernel fn vector_add(a: &[f32], b: &[f32], c: &![f32]) { let i = gpu.thread_id.x c[i] = a[i] + b[i] } ``` Build ```bash cargo build --features gpu ```