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<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>All,
</FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>We installed the
latest patch of PGI (6.1-3). While this patch appears to have corrected
the compiler bug affecting real.exe we originally reported, I am now finding
other problems. Specifically, the wrfbdy_d01 file is not correct, and the
differences are severe. Running the Jun 2001 NCAR test case with WRF/real
compiled with PGI 6.1-3 on an AMD system results in CFL's beginning around 21
hours into the simulation, and the results are drastically different.
</FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>On a positive note,
whatever this "bug" is only seems to affect real.exe, and within that, only the
wrfbdy file. I was able to successfully run the June 2001 case using the
WRF code compiled with 6.1-3, but using the input files created using
real.exe compiled with the older version of PGI. The results were
bit-for-bit identical to the successful WRF simulation using the older
compiler. Next, I wrote a couple of quick programs to compare the contents
of the wrfinput_d01 and wrfbdy_d01 created with the two versions of PGI. I found
that the wrfinput_d01 file was identical in both cases, but the wrfbdy_d01 file
has signficant differences (I am including the print-out of the wrfbdy_d01
differences below). </FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>I have forwarded
these results to PGI. </FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>As with my last
posts, if anyone else is able to verify my results, it would be very
useful! </FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2>Regards,</FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2>Brent</FONT></SPAN></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial
size=2>Differences</FONT></SPAN></DIV>
<DIV><SPAN class=168381317-06032006><FONT face=Arial size=2>File 1:
6.0-5/wrfbdy_d01<BR>File 2: 6.1-3/wrfbdy_d01<BR>Differences (file2 -
file1):<BR>Variable Name Min
Diff Max
Diff Mean Diff<BR>---------------
--------------- ---------------
---------------<BR>
U_BXS -2308123.500
1888424.000
-179814.391<BR>
U_BXE -1757943.250
2628634.750
251051.719<BR>
U_BYS -1866978.250
2710279.000
254768.547<BR>
U_BYE -2352703.500
1913744.500
-153818.188<BR>
U_BTXS
-174.854
213.715
16.650<BR>
U_BTXE
-243.392
162.773
-23.246<BR>
U_BTYS
-250.952
172.868
-23.590<BR>
U_BTYE
-177.199
217.843
14.242<BR>
V_BXS -3763931.500
1964166.250
-425418.594<BR>
V_BXE -3828386.250
1643290.750
-363339.000<BR>
V_BYS -1911013.000
953464.750
-283464.719<BR>
V_BYE -5068687.000
1407303.000
-661669.438<BR>
V_BTXS
-181.867
348.512
39.390<BR>
V_BTXE
-152.157
354.480
33.643<BR>
V_BTYS
-88.284
176.946
26.247<BR>
V_BTYE
-130.306
469.323
61.266<BR>
W_BXS
0.000
0.000
0.000<BR>
W_BXE
0.000
0.000
0.000<BR>
W_BYS
0.000
0.000
0.000<BR>
W_BYE
0.000
0.000
0.000<BR>
W_BTXS
0.000
0.000
0.000<BR>
W_BTXE
0.000
0.000
0.000<BR>
W_BTYS
0.000
0.000
0.000<BR>
W_BTYE
0.000
0.000
0.000<BR> PH_BXS
-112365440.000 63728560.000
-15131474.000<BR> PH_BXE
-189060464.000 5540736.000
-35758856.000<BR> PH_BYS
-111303744.000 8476784.000
-25023122.000<BR> PH_BYE
-187797792.000 63728560.000
-24498352.000<BR>
PH_BTXS
-5900.792
10404.207
1401.057<BR>
PH_BTXE
-513.031
17505.600
3310.984<BR>
PH_BTYS
-784.887
10305.902
2316.964<BR>
PH_BTYE
-5900.792
17388.684
2268.360<BR>
T_BXS -1258745.500
815136.000
-74470.648<BR>
T_BXE -1028473.625
1588185.500
-127469.625<BR>
T_BYS -1146616.875
931096.500
-124050.984<BR>
T_BYE -1007809.625
1647879.000
-92101.492<BR>
T_BTXS
-75.476
116.551
6.895<BR>
T_BTXE
-147.054
95.229
11.803<BR>
T_BTYS
-86.213
106.168
11.486<BR>
T_BTYE
-152.581
93.316
8.528</FONT></SPAN></DIV>
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