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[/] [async_sdm_noc/] [branches/] [init/] [common/] [tb/] [sim_ana.cpp] - Rev 60
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/* Asynchronous SDM NoC (C)2011 Wei Song Advanced Processor Technologies Group Computer Science, the Univ. of Manchester, UK Authors: Wei Song wsong83@gmail.com License: LGPL 3.0 or later Simulation analyzer, gethering info. for performance analyses. Possible bugs: * the histograph function has not been tested yet. History: 29/06/2010 Initial version. <wsong83@gmail.com> 27/05/2011 Clean up for opensource. <wsong83@gmail.com> */ #include "sim_ana.h" bool sim_ana::set_ana_parameters(double mwt, double mrp) { if((mwt < 0) || (mrp < 0)) return false; warm_time = mwt; record_period = mrp; return true; } bool sim_ana::analyze_delay(string mfname) { ofstream file_handle; delay_ana = true; delay_file = mfname; file_handle.open(delay_file.data(), fstream::trunc); file_handle.close(); return true; } bool sim_ana::analyze_throughput(string mfname) { ofstream file_handle; throughput_ana = true; throughput_file = mfname; file_handle.open(throughput_file.data(), fstream::trunc); file_handle.close(); return true; } bool sim_ana::analyze_delay_histo(string mframe, double tstart, double tend, unsigned int binnum) { ofstream file_handle; if((tstart < 0) || (tend <= tstart) || (binnum < 3)) return false; delay_histo_ana = true; delay_histo_file = mframe; file_handle.open(delay_histo_file.data(), fstream::trunc); file_handle.close(); delay_histo_start = tstart; delay_histo_end = tend; delay_histo_gap = (tstart - tend) / (binnum - 2); delay_histo_binnum = binnum; histo_data = new unsigned long [binnum]; for(unsigned int i=0; i<binnum; i++) histo_data[i] = 0; return true; } bool sim_ana::start(long mkey, double mtime) { sim_record<2> * mrd; mrd = new sim_record<2> (mtime, mkey); ANA.insert(*mrd); return true; } bool sim_ana::stop(long mkey, double mtime, unsigned int payload) { ofstream file_handle; sim_record<2> * mrd; mrd = ANA.find(mkey); if(mrd == NULL) return false; // cout << mtime << " " << mtime - mrd->stamp[0] << endl; if(mtime < warm_time) { ANA.clear(mrd); return true; } if(delay_ana) { fm_dly += (mtime - mrd->stamp[0]); pth_dly += (mrd->stamp[1] - mrd->stamp[0]); } if(throughput_ana) { th_value += payload; } if(delay_histo_ana) { double delay = mtime - mrd->stamp[0]; if(delay >= delay_histo_end) histo_data[delay_histo_binnum-1]++; else { delay -= delay_histo_start; if(delay < 0) histo_data[0]++; else { histo_data[(unsigned long)(1 + delay/delay_histo_gap)]++; } } } ANA.clear(mrd); // check whether need to write out if(floor(mtime/record_period) > floor(last_time/record_period)) { if(delay_ana) { file_handle.open(delay_file.data(), fstream::app); file_handle << mtime << "\t" << fm_dly.avalue() << "\t" << pth_dly.avalue() << endl; file_handle.close(); } if(throughput_ana) { file_handle.open(throughput_file.data(), fstream::app); file_handle << mtime << "\t" << th_value.value() << endl; file_handle.close(); } last_time = mtime; } return true; } bool sim_ana::record(long mkey, double mtime) { sim_record<2> * mrd; mrd = ANA.find(mkey); if(mrd == NULL) return false; mrd->stamp[mrd->index] = mtime; return true; } sim_ana::~sim_ana() { ofstream file_handle; if(delay_histo_ana) { file_handle.open(delay_histo_file.data(), fstream::app); for(unsigned int i=0; i<delay_histo_binnum; i++) file_handle << (double)(delay_histo_start + i*delay_histo_gap) << "\t" << histo_data[i] << endl; file_handle.close(); } if(histo_data != NULL) delete[] histo_data; }
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