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<div class="moz-cite-prefix">SJ, this is about compile time.<br>
Moorthi<br>
On 05/12/2017 03:16 PM, Shian-Jiann Lin - NOAA Federal wrote:<br>
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cite="mid:CAGgF0gkF27f+WryVdW_6rvy7TDC92ALUNtqP=cBUyhudOZ_9Ww@mail.gmail.com"
type="cite">
<div dir="ltr">Sam:
<div><br>
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<div>I thought the timing only showed "FV_DIAG", not
GFS_diagnostics. The FV_diag involves a lot of things that
does not palatalized well.</div>
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<div dir="ltr"><span><font color="#888888"><br>
Shian-Jiann Lin<br>
NOAA/Geophysical Fluid Dynamics Laboratory<br>
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<div class="gmail_quote">On Fri, May 12, 2017 at 3:11 PM, Samuel
Trahan - NOAA Affiliate <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:samuel.trahan@noaa.gov" target="_blank">samuel.trahan@noaa.gov</a>></span>
wrote:<br>
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<div>Jim,<br>
<br>
</div>
If you can do that, you will be my hero. Jet takes
twice as long to compile, and most of that time is the
GFS_diagnostics.<br>
<br>
</div>
Sincerely,<br>
</div>
Sam Trahan<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, May 12, 2017 at 3:07 PM,
James Abeles - NOAA Affiliate <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:james.a.abeles@noaa.gov"
target="_blank">james.a.abeles@noaa.gov</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">Moorthi,
<div>I ran the tests with a simple C96 grid for 48
hours and the one that compile GFS_diagnostics
with -O0 is actually faster:</div>
<div>
<div>wrk.C96/out.96:0: FV_DIAG
29.1041 0.0000 29.1041 0</div>
<div>wrk.C96.diag_O0/out.96:0: FV_DIAG
14.2025 0.0000 14.2025
0</div>
</div>
<div><br>
</div>
<div>Now I need to figure out if we can compile some
routines with different flags.</div>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, May 12, 2017 at
3:03 PM, Shrinivas Moorthi <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:shrinivas.moorthi@noaa.gov"
target="_blank">shrinivas.moorthi@noaa.gov</a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex">
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<div
class="m_6031266284315886189m_110769321822141504m_-2345894083188714791moz-cite-prefix">Thanks
Jim.<br>
Moorthi<br>
On 05/12/2017 02:55 PM, James Abeles -
NOAA Affiliate wrote:<br>
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<blockquote type="cite">
<div dir="ltr">Resending with correct
-O0 flag.
<div><br>
</div>
<div><span style="font-size:12.8px">Moorthi,</span>
<div style="font-size:12.8px">The
slow compile is
GFS_diagnostics.F90. I have tried
many things to reduce the compile
time but the only one that worked
was compiling at -O0. There is
really nothing being done in this
routine other than storing
diagnostices so I am testing the
performance with -O0 vs -O2.</div>
<div style="font-size:12.8px"><br>
</div>
<div style="font-size:12.8px"><b><font
size="4">-O2</font></b></div>
<div style="font-size:12.8px">
<div>/gpfs/hps/emc/global/noscrub/J<wbr>ames.A.Abeles/fv3gfs.v0beta/FV<wbr>3/gfsphysics>
time ftn -DNEW_TAUCTMAX
-DSMALL_PE -DNEMS_GSM -fpp
-Wp,-w
-I/opt/cray/netcdf/4.3.2/INTEL<wbr>/140/include
-I/opt/cray/netcdf/4.3.2/INTEL<wbr>/140/include
-fno-alias -auto -safe-cray-ptr
-ftz -assume byterecl -nowarn
-sox -align array64byte -i4
-real-size 32 -O2 -debug
minimal -fp-model source
-qoverride-limits -I../fms
-I../fms/include -c
GFS_layer/GFS_diagnostics.F90 -o
GFS_layer/GFS_diagnostics.o</div>
<div><br>
</div>
<div>real 10m3.761s</div>
<div>user 10m1.842s</div>
<div>sys 0m0.396s</div>
<div><br>
</div>
<div><b><font size="4">-O0</font></b></div>
<div>/gpfs/hps/emc/global/noscrub/J<wbr>ames.A.Abeles/fv3gfs.v0beta/FV<wbr>3/gfsphysics>
time ftn -DNEW_TAUCTMAX
-DSMALL_PE -DNEMS_GSM -fpp
-Wp,-w
-I/opt/cray/netcdf/4.3.2/INTEL<wbr>/140/include
-I/opt/cray/netcdf/4.3.2/INTEL<wbr>/140/include
-fno-alias -auto -safe-cray-ptr
-ftz -assume byterecl -nowarn
-sox -align array64byte -i4
-real-size 32 -O0 -debug
minimal -fp-model source
-qoverride-limits -I../fms
-I../fms/include -c
GFS_layer/GFS_diagnostics.F90 -o
GFS_layer/GFS_diagnostics.o</div>
<div>real 0m0.981s</div>
<div>user 0m0.728s</div>
<div>sys 0m0.072s</div>
</div>
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<pre class="m_6031266284315886189m_110769321822141504m_-2345894083188714791moz-signature" cols="72">--
Dr. Shrinivas Moorthi
Research Meteorologist
Modeling and Data Assimilation Branch
Environmental Modeling Center / National Centers for Environmental Prediction
5830 University Research Court - (W/NP23), College Park MD 20740 USA
Tel:<a moz-do-not-send="true" href="tel:%28301%29%20683-3718" value="+13016833718" target="_blank">(301)683-3718</a></pre>
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<pre class="moz-signature" cols="72">--
Dr. Shrinivas Moorthi
Research Meteorologist
Modeling and Data Assimilation Branch
Environmental Modeling Center / National Centers for Environmental Prediction
5830 University Research Court - (W/NP23), College Park MD 20740 USA
Tel:(301)683-3718</pre>
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