void Load()

in src/sim/sim_driver.cc [157:183]

• 26 lines of code
• 3 McCabe index (conditional complexity)

  void Load(const VTAMemInsn* op,
            DRAM* dram,
            uint64_t* load_counter,
            bool skip_exec) {
    load_counter[0] += (op->x_size * op->y_size) * kElemBytes;
    if (skip_exec) return;
    DType* sram_ptr = data_ + op->sram_base;
    uint8_t* dram_ptr = static_cast<uint8_t*>(dram->GetAddr(
        op->dram_base * kElemBytes));
    uint64_t xtotal = op->x_size + op->x_pad_0 + op->x_pad_1;
    uint32_t ytotal = op->y_size + op->y_pad_0 + op->y_pad_1;
    uint64_t sram_end = op->sram_base + xtotal * ytotal;
    CHECK_LE(sram_end, kMaxNumElem);
    memset(sram_ptr, 0, kElemBytes * xtotal * op->y_pad_0);
    sram_ptr += xtotal * op->y_pad_0;

    for (uint32_t y = 0; y < op->y_size; ++y) {
      memset(sram_ptr, 0, kElemBytes * op->x_pad_0);
      sram_ptr += op->x_pad_0;
      memcpy(sram_ptr, dram_ptr, kElemBytes * op->x_size);
      sram_ptr += op->x_size;
      memset(sram_ptr, 0, kElemBytes * op->x_pad_1);
      sram_ptr += op->x_pad_1;
      dram_ptr += kElemBytes * op->x_stride;
    }
    memset(sram_ptr, 0, kElemBytes * xtotal * op->y_pad_1);
  }