#!/usr/bin/env python3
import argparse
import math
import plotly.graph_objects as go
from plotly.offline import plot
from cacheLib import *
def main():
parser = argparse.ArgumentParser(description='Generates a graph obtained by sweeping over a memory area repeatedly with a given stride')
parser.add_argument("-stride", help="Stride (in bytes) (Default: 64)", type=int, default=64)
parser.add_argument("-startSize", help="Start size of the memory area (in kB) (Default: 4)", type=int, default=4)
parser.add_argument("-endSize", help="End size of the memory area (in kB) (Default: 32768)", type=int, default=32768)
parser.add_argument("-loop", help="Loop count (Default: 100)", type=int, default=100)
parser.add_argument("-output", help="Output file name", default='strideGraph.html')
args = parser.parse_args()
resetNanoBench()
setNanoBenchParameters(config=getDefaultCacheConfig(), fixedCounters=True, nMeasurements=1, warmUpCount=0, unrollCount=1, loopCount=args.loop,
basicMode=False, noMem=True)
nbDicts = []
xValues = []
nAddresses = []
tickvals = []
pt = args.startSize*1024
while pt <= args.endSize*1024:
tickvals.append(pt)
for x in ([int(math.pow(2, math.log(pt, 2) + i/16.0)) for i in range(0,16)] if pt < args.endSize*1024 else [pt]):
print(x//1024)
xValues.append(str(x))
addresses = list(range(0, x, args.stride))
nAddresses.append(len(addresses))
ec = getCodeForAddressLists([AddressList(addresses, False, False, False)], wbinvd=True)
nbDicts.append(runNanoBench(code=ec.code, init=ec.init, oneTimeInit=ec.oneTimeInit))
pt *= 2
title = cpuid.cpu_name(cpuid.CPUID())
html = ['', '', '' + title + '', '', '', '']
html += ['' + title + '
']
for evtType in ['Core cycles', 'APERF', 'HIT', 'MISS']:
if not any(e for e in nbDicts[0].keys() if evtType in e): continue
fig = go.Figure()
fig.update_layout(showlegend=True)
fig.update_xaxes(title_text='Size (in kB)', type='category', tickvals=tickvals, ticktext=[x/1024 for x in tickvals])
for event in sorted(e for e in nbDicts[0].keys() if evtType in e):
yValues = [nb[event]/nAddr for nb, nAddr in zip(nbDicts, nAddresses)]
fig.add_trace(go.Scatter(x=xValues, y=yValues, mode='lines+markers', name=event))
html.append(plot(fig, include_plotlyjs=False, output_type='div'))
html += ['', '']
with open(args.output ,'w') as f:
f.write('\n'.join(html))
print('Graph written to ' + args.output)
if __name__ == "__main__":
main()