// Optimized verification kernel fragment for AMD CDNA
__global__ void verify_tokens_kernel(
    const float* draft_logits,
    const float* target_logits,
    int* accepted_count,
    float threshold) {

    int idx = blockIdx.x * blockDim.x + threadIdx.x;
    // Calculate rejection sampling criteria using ROCm vector intrinsics
    // Avoid branching to keep warps synchronized
    float p_draft = draft_logits[idx];
    float p_target = target_logits[idx];

    bool accept = (p_target >= p_draft) || (random_uniform() < (p_target / p_draft));
    // Atomic operations to update the accepted token chain
}