terminat0r
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Процессоры
processor : 15
vendor_id : AuthenticAMD
cpu family : 15
model : 33
model name : Dual Core AMD Opteron(tm) Processor 885
stepping : 2
cpu MHz : 2600.000
Компиляторы
Intel(R) Fortran Intel(R) 64 Compiler Professional for applications running on Intel(R) 64, Version 11.1 Build 20091130 Package ID: l_cprof_p_11.1.064
gfortran: Target: x86_64-suse-linux, gcc version 4.4.1 [gcc-4_4-branch revision 150839] (SUSE Linux)
результаты
смотреть третью колонку (время в секундах)
no patch
1) ifort -O3
index r_index time
---------------------------------------------
790 7.8900000000E+001 7.3572598000E+001
791 7.9000000000E+001 7.3612601000E+001
792 7.9100000000E+001 7.4864679000E+001
793 7.9200000000E+001 7.4824676000E+001
794 7.9300000000E+001 7.4168635000E+001
795 7.9400000000E+001 7.4224639000E+001
796 7.9500000000E+001 7.8480905000E+001
797 7.9600000000E+001 7.4980686000E+001
798 7.9700000000E+001 7.4216638000E+001
799 7.9800000000E+001 7.4856678000E+001
800 7.9900000000E+001 7.4232640000E+001
patch
2) ifort -O3
790 7.8900000000E+001 8.5125321000E+001
791 7.9000000000E+001 8.4549284000E+001
792 7.9100000000E+001 8.5925370000E+001
793 7.9200000000E+001 8.5245327000E+001
794 7.9300000000E+001 8.5181324000E+001
795 7.9400000000E+001 8.5229326000E+001
796 7.9500000000E+001 8.5341334000E+001
797 7.9600000000E+001 8.3949246000E+001
798 7.9700000000E+001 8.4545284000E+001
799 7.9800000000E+001 8.5209325000E+001
800 7.9900000000E+001 8.3813239000E+001
patch
3) ifort -O3 -ip -ipo -static -xP -finline-functions -funroll-loops -fp-model precise -ftz
790 7.8900000000E+001 5.0359147000E+001
791 7.9000000000E+001 4.9567097000E+001
792 7.9100000000E+001 4.8391025000E+001
793 7.9200000000E+001 4.8415025000E+001
794 7.9300000000E+001 4.8359022000E+001
795 7.9400000000E+001 4.7958998000E+001
796 7.9500000000E+001 4.8703044000E+001
797 7.9600000000E+001 4.7942996000E+001
798 7.9700000000E+001 4.8783048000E+001
799 7.9800000000E+001 4.8395025000E+001
800 7.9900000000E+001 4.8363023000E+001
no patch
4) ifort -O3 -ip -ipo -static -xP -finline-functions -funroll-loops -fp-model precise -ftz
seg fault
no patch
5) ifort -O3 -xSSE3
seg fault
patch
6) ifort -O3 -xSSE3
works!
7) gfortran -O3 -march=amdfam10 -funroll-all-loops -fprefetch-loop-arrays
790 7.8900000000E+001 6.3783986000E+001
791 7.9000000000E+001 6.2195887000E+001
792 7.9100000000E+001 6.3231952000E+001
793 7.9200000000E+001 4.8939058000E+001
794 7.9300000000E+001 4.5678856000E+001
795 7.9400000000E+001 4.4110756000E+001
796 7.9500000000E+001 4.4118757000E+001
797 7.9600000000E+001 4.6326895000E+001
798 7.9700000000E+001 4.8199013000E+001
799 7.9800000000E+001 4.9611100000E+001
800 7.9900000000E+001 4.3370711000E+001
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Всего записей: 2084 | Зарегистр. 31-03-2002 | Отправлено: 12:13 22-04-2010 | Исправлено: terminat0r, 12:53 22-04-2010 |
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