<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Thu, May 4, 2017 at 12:34 AM, Sebastian Huber <span dir="ltr"><<a href="mailto:sebastian.huber@embedded-brains.de" target="_blank">sebastian.huber@embedded-brains.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-">On 03/05/17 22:52, Joel Sherrill wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Has anyone run the whetstone benchmark on real leon3 HW?<br>
I'm almost at 20 minutes of simulated CPU time on tsim so<br>
am suspicious something is wrong.<br>
<br>
Any ideas?<br>
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<br></span>
Maybe soft-float plus a low CPU frequency? Do you have a function profiling histogram of the execution?<span class="gmail-HOEnZb"><font color="#888888"><br>
<br></font></span></blockquote><div><br></div><div>It is the default leon3 build and the leon3 is simulated at 50Mhz. I have </div><div>never used profiling on tsim. Any guidance?</div><div><br></div><div>The test did finally finish and here is the output of tsim's perf command:</div><div><br></div><div><div>*** END OF TEST WHETSTONE ***</div><div><br></div><div>Program exited normally.</div><div>tsim> perf</div><div> </div><div> Cycles : 74462444473</div><div> Instructions : 45632185502</div><div> Overall CPI : 1.63</div><div><br></div><div> CPU performance (50.0 MHz) : 30.64 MOPS (30.64 MIPS, 0.00 MFLOPS)</div><div> Cache hit rate : 98.0 % (inst: 97.9, data:99.7)</div><div> AHB bandwidth utilisation : 34.8 % (inst: 14.1, data: 20.8)</div><div> Simulated time : 1489.25 s</div><div> Processor utilisation : 100.00 %</div><div> Real-time performance : 122.02 %</div><div> Simulator performance : 37.39 MIPS</div><div> Used time (sys + user) : 1220.46 s</div></div><div><br></div><div>So it just took a LONG time. </div><div><br></div><div>--joel</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-HOEnZb"><font color="#888888">
-- <br>
Sebastian Huber, embedded brains GmbH<br>
<br>
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<br>
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