<div dir="ltr"><div><div>The following indicates that you do not have enough memory on yor machine.<br><br>fatal:<b>NclMalloc </b>Failed:[errno=12]</div><div>Segmentation fault (core dumped)<br>============================<br>Total Size: <b>209943360 bytes</b><div> 52485840 values</div><div>Number of Dimensions: 4</div><div>Dimensions and sizes: [time | 120] x [level | 22] x [latitude | 141] x [longitude | 141]<br><br></div><div>Each variable is ~210MB<br>===========================<br></div><div>W</div><div>For testing the code, try with a smaller time sample<br><br></div><div>tStrt = 0<br></div><div>tLast = 9<br></div><div><br>;---Read needed variables from file<br> t = short2flt(in->t(tStrt:tLast,:,:,:)) ; select variable<br> v = short2flt(in->v(tStrt:tLast,:,:,:))<br> u = short2flt(in->u(tStrt:tLast,:,:,:)))<br><br></div><div>;---Better and more efficient to reorder <b>after </b>input<br><br></div><div> t = t(:,:,::-1,:) ; reorder South-to-North<br></div><div> u = u(:,:,::-1,:) <br> v = v(:,:,::-1,:) <br><br>===========<br>Within 'pot_vort_isobaric', other variables of size 210MB are calculated<br><br>pv = -G*(vr + con*(dvdp*dtdx-dudp*dtdy))*dthdp<br><div><br></div>EG:<br></div><div><br> S = static_stability(p,t,npr,1) ; variable of type list<br><br> s = S[0] ; [...] is list syntax <br> theta = S[1]<br> dthdp = S[2]<br><br></div><div>also, gradients<br><br></div><div> dudp<br></div><div> dvdp<br></div><div> dtdx<br></div><div> dtdy<br></div><div><br></div><div>vorticity<br><br></div><div> vr [vorticity]<br></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Jun 23, 2018 at 8:54 AM, Soma Roy <span dir="ltr"><<a href="mailto:somaroy892@gmail.com" target="_blank">somaroy892@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello,<div><br></div><div>I am trying to calculate static stability and potential temperature in vertical profile using ERA-Interim pressure level data.</div><div><br></div><div>Summary of the input data used in this process is like below;</div><div><br></div><div><div>Variable: pnew</div><div>Type: double</div><div>Total Size: 176 bytes</div><div> 22 values</div><div>Number of Dimensions: 1</div><div>Dimensions and sizes: [level | 22]</div><div>Coordinates:</div><div> level: [ 100..1000]</div><div>Number Of Attributes: 5</div><div> standard_name : air_pressure</div><div> long_name : pressure_level</div><div> units : Pa</div><div> positive : down</div><div> axis : Z</div><div><br></div><div>Variable: t</div><div>Type: float</div><div>Total Size: 209943360 bytes</div><div> 52485840 values</div><div>Number of Dimensions: 4</div><div>Dimensions and sizes: [time | 120] x [level | 22] x [latitude | 141] x [longitude | 141]</div><div>Coordinates:</div><div> time: [994176..994890]</div><div> level: [ 100..1000]</div><div> latitude: [ 5..40]</div><div> longitude: [65..100]</div><div>Number Of Attributes: 7</div><div> standard_name : air_temperature</div><div> long_name : Temperature</div><div> units : K</div><div> _FillValue_original : -32767</div><div> _FillValue : -32767</div><div> missing_value_original : -32767</div><div> missing_value : -32767</div><div><br></div><div>Variable: u</div><div>Type: float</div><div>Total Size: 209943360 bytes</div><div> 52485840 values</div><div>Number of Dimensions: 4</div><div>Dimensions and sizes: [time | 120] x [level | 22] x [latitude | 141] x [longitude | 141]</div><div>Coordinates:</div><div> time: [994176..994890]</div><div> level: [ 100..1000]</div><div> latitude: [ 5..40]</div><div> longitude: [65..100]</div><div>Number Of Attributes: 7</div><div> standard_name : eastward_wind</div><div> long_name : U component of wind</div><div> units : m s**-1</div><div> _FillValue_original : -32767</div><div> _FillValue : -32767</div><div> missing_value_original : -32767</div><div> missing_value : -32767</div><div><br></div><div>Variable: v</div><div>Type: float</div><div>Total Size: 209943360 bytes</div><div> 52485840 values</div><div>Number of Dimensions: 4</div><div>Dimensions and sizes: [time | 120] x [level | 22] x [latitude | 141] x [longitude | 141]</div><div>Coordinates:</div><div> time: [994176..994890]</div><div> level: [ 100..1000]</div><div> latitude: [ 5..40]</div><div> longitude: [65..100]</div><div>Number Of Attributes: 7</div><div> standard_name : northward_wind</div><div> long_name : V component of wind</div><div> units : m s**-1</div><div> _FillValue_original : -32767</div><div> _FillValue : -32767</div><div> missing_value_original : -32767</div><div> missing_value : -32767</div></div><div><br></div><div>My code for this is attached below. <br></div><div><br></div><div>At run time it shows the following;</div><div><br></div><div><div>fatal:NclMalloc Failed:[errno=12]</div><div>Segmentation fault (core dumped)</div></div><div><br></div><div> </div><div>Please inform me how to resolve the issue.</div><div><br></div><div>Thanks,</div><div>Soma</div></div>
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