span class="identifier">cudaHostAllocDefault</span><span class="special">);</span>
    <span class="keyword">int</span> <span class="special">*</span> <span class="identifier">dev_a</span><span class="special">,</span> <span class="special">*</span> <span class="identifier">dev_b</span><span class="special">,</span> <span class="special">*</span> <span class="identifier">dev_c</span><span class="special">;</span>
    <span class="identifier">cudaMalloc</span><span class="special">(</span> <span class="speci