# Issue type % of bandwidth % of fetches % of write-backs Fetch utilization Write-back utilization
1 Fetch hot-spot96.8%94.7%99.1%95.3%98.7%
2 Write-back hot-spot96.8%94.7%99.1%95.3%98.7%
3 Temporal blocking96.8%94.7%99.1%95.3%98.7%

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

No latency issues found.

Acumem ThreadSpotter does not show issues causing less than 1% of the total fetches, upgrades or write-backs by default. Lowering this threshold may reveal additional issues. See the "Ignore issues" setting if you created the report using the graphical interface, or the -p option if you created the report from the command line.

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

No multi-threading issues found.

Acumem ThreadSpotter does not show issues causing less than 1% of the total fetches, upgrades or write-backs by default. Lowering this threshold may reveal additional issues. See the "Ignore issues" setting if you created the report using the graphical interface, or the -p option if you created the report from the command line.

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

No pollution issues found.

Acumem ThreadSpotter does not show issues causing less than 1% of the total fetches, upgrades or write-backs by default. Lowering this threshold may reveal additional issues. See the "Ignore issues" setting if you created the report using the graphical interface, or the -p option if you created the report from the command line.

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

Loop % of misses % of fetches Fetch utilization Write-back utilization Issues
1 69.8% 98.3% 95.5% 98.7%

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

Global statistics
Miss/Fetch ratio
Write-back ratio
Utilization
Accesses3.20e+10
Misses5.38e+07
Fetches1.14e+09
Write-backs1.08e+09
Upgrades3.58e+04
Miss ratio0.2%
Fetch ratio3.5%
Write-back ratio3.4%
Upgrade ratio0.0%
Communication ratio0.0%
Fetch utilization94.3%
Write-back utilization98.1%
Communication utilization100.0%
Analysis parameters
Processor modelSix-Core AMD Opteron(tm) Processor 2427 (auto)
Number of CPUs1
Number of caches12
Cache level2
Cache size512k
Line size64
Replacement policy random
Software prefetches active Yes

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

Source code files

File
/home/marwa/GE/ReportsN3000/NoOptNoVec/luOmp.f90
/home/mve/tmp/t000/gcc-4.5.1/x86_64-unknown-linux-gnu/libgomp/../.././libgomp/team.c

Shared libraries

Filename Symbols Low address High address
/home/marwa/GE/ReportsN3000/NoOptNoVec/luOmp Debug info found 0x400000 0x403000
/lib64/ld-2.5.so Only symbols found 0x3ad6200000 0x3ad621c000
/lib64/libc-2.5.so Only symbols found 0x3ad6600000 0x3ad674e000
/lib64/libm-2.5.so Only symbols found 0x3ad7200000 0x3ad7282000
/lib64/libpthread-2.5.so Only symbols found 0x3ad6e00000 0x3ad6e16000
/lib64/librt-2.5.so Only symbols found 0x3ad7a00000 0x3ad7a07000
/opt/local/gcc-4.5.1/lib64/libgcc_s.so.1 Debug info found 0x2ba37bbe5000 0x2ba37bbfa000
/opt/local/gcc-4.5.1/lib64/libgomp.so.1.0.0 Debug info found 0x2ba37b9d7000 0x2ba37b9e4000
/usr/lib64/libgfortran.so.1.0.0 Only symbols found 0x2ba37b740000 0x2ba37b7d6000

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

Command line ./luOmp
Sampling start time Thu Mar 17 13:13:48 2011
Sampling end time Thu Mar 17 13:16:21 2011
User marwa
Sample file /home/marwa/GE/ReportsN3000/NoOptNoVec/luOmpGE.smp
Number of samples 51827
Analysis parameters /home/marwa//pre-rc4/bin/report -i luOmpGE.smp -o luOmpGE.tsr --level 2 --number-of-caches 12 -d 0 -p 10
Analysis time Thu Mar 17 13:19:45 2011
Effective thread binding
Cache # Thread id Virtual Thread id
0 9605 0
1 9606 1
2 9607 3
3 9608 2
4 9609 4
5 9610 5
6 9611 6
7 9612 7
8 9613 8
9 9614 11
10 9615 10
11 9616 9

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.

Acumem ThreadSpotter

Version: 2011.1, Build: unknown

View the manual.

Legend

Slowspot issues Opportunity issues
Fetch utilization
Write back utilization
Communication utilization
Inefficient loop nesting
Random access
Prefetch: too close
Prefetch: too distant
Prefetch: unnecessary
False sharing
Spatial blocking
Temporal blocking
Spat/temp blocking
Loop fusion
Non-temporal data
Non-temporal store possible
Fetch hot-spot
Write-back hot-spot
Communication hot-spot

Contact information:

Rogue Wave Software, Inc.
Address

5500 Flatiron Parkway Suite 200

Boulder, CO 80301 USA

Phone +1 800-487-3217
Phone +1 303-473-9118
Fax +1 303-473-9137
Support Email support@roguewave.com
Web http://www.roguewave.com

License

Licensee Internal, RW
License expires 2011-12-12

Copyright (c) 2006-2011 Rogue Wave Software, Inc. All Rights Reserved.
Patents pending.