Function conv_transpose_col_weight

src/models/ace_step/vae_decoder.cpp:162–178

                const size_t src_index = static_cast<size_t>((in * out_channels + out_channel) * kernel + k);
                const size_t dst_index = static_cast<size_t>((out_channel * kernel + k) * in_channels + in);
                out[dst_index] = weight[src_index];
            }
        }
    }
    return out;
}

core::TensorValue view_batch_matrix(
    core::ModuleBuildContext & ctx,
    const core::TensorValue & input,
    int64_t batch_index,
    int64_t channels,
    int64_t frames) {
    auto * view = ggml_view_2d(
        ctx.ggml,
        input.tensor,
        frames,
        channels,
        input.tensor->nb[1],
        static_cast<size_t>(batch_index) * input.tensor->nb[2]);