[Memory] Reuse tensor memory in concat operator #4246
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Shixiaowei02
approved these changes
Sep 8, 2020
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【问题描述】
发现内存复用
memory_optimize_pass实现中，剔除了concat及其周边tensor，导致如果模型中有较多concat算子时，运行时内存过大。【本PR工作】
opt优化模型时会将concat算子内的tensor也进行内存复用【效果】