ext/mcpat/core.cc

507       fp_inst_window(NULL), ROB(NULL), int_instruction_selection(NULL),
720              *  ROB.ROB size = inflight inst. ROB is unified for int and fp inst.
721              *  One old approach is to combine the RAT and ROB as a huge CAM structure as in AMD K7.
723                          *      McPAT uses current implementation of ROB as circular buffer.
724                          *      ROB is written once when instruction is issued and read once when the instruction is committed.         *
736                 //in RS based OOO, ROB also contains value of destination reg
764             ROB = new ArrayST(xml_data, &interface_ip, "Reorder Buffer",
767             ROB->output_data.area *= core_params.num_pipelines;
768             area.set_area(area.get_area() + ROB->local_result.area *
770             ROB_height = ROB->local_result.cache_ht;
1358              * while tag broadcast interconnects also cover across ROB
1796             //Recycle happens at two places: 1)when DCL check there are WAW, the Phyregisters/ROB directly recycles into freelist
1797             // 2)When instruction commits the Phyregisters/ROB needed to be recycled.
2025             //Freelist of renaming unit of RS based OOO is unifed for both int and fp renaming unit since the ROB is unified
2931     if (ROB) {
2932         ROB->tdp_stats.reset();
2933         ROB->tdp_stats.readAc.access = core_params.commitW *
2935         ROB->tdp_stats.writeAc.access = core_params.issueW *
2937         ROB->rtp_stats.reset();
2938         ROB->rtp_stats.readAc.access = core_stats.ROB_reads;
2939         ROB->rtp_stats.writeAc.access = core_stats.ROB_writes;
2940         ROB->power_t.reset();
2941         ROB->power_t.readOp.dynamic +=
2942             ROB->local_result.power.readOp.dynamic *
2943             ROB->tdp_stats.readAc.access +
2944             ROB->local_result.power.writeOp.dynamic *
2945             ROB->tdp_stats.writeAc.access;
2946         ROB->rt_power.reset();
2947         ROB->rt_power.readOp.dynamic +=
2948             ROB->local_result.power.readOp.dynamic *
2949             ROB->rtp_stats.readAc.access +
2950             ROB->local_result.power.writeOp.dynamic *
2951             ROB->rtp_stats.writeAc.access;
2977     if (ROB) {
2978         ROB->output_data.peak_dynamic_power =
2979             ROB->power_t.readOp.dynamic * clockRate;
2980         ROB->output_data.runtime_dynamic_energy =
2981             ROB->rt_power.readOp.dynamic;
2982         output_data += ROB->output_data;
3006             ROB->displayData(indent + 4, plevel);
3581     if (ROB) {
3582         delete ROB;
3583         ROB = NULL;