Исправление YAR, (текущая версия) :
$ cc -O3 -o linpack linpack.c -lm
$ ./linpack
Enter array size (q to quit) [200]:
Memory required: 315K.
LINPACK benchmark, Double precision.
Machine precision: 15 digits.
Array size 200 X 200.
Average rolled and unrolled performance:
Reps Time(s) DGEFA DGESL OVERHEAD KFLOPS
----------------------------------------------------
1024 0.73 78.08% 6.85% 15.07% 2268215.054
2048 1.45 84.14% 5.52% 10.34% 2163528.205
4096 2.91 84.19% 3.44% 12.37% 2205950.327
8192 5.83 80.96% 3.09% 15.95% 2295989.116
16384 11.60 84.05% 3.62% 12.33% 2212457.555
FX-8320, gcc дефолтный из Debian Squeeze
Исправление YAR, :
./linpack
Enter array size (q to quit) [200]:
Memory required: 315K.
LINPACK benchmark, Double precision.
Machine precision: 15 digits.
Array size 200 X 200.
Average rolled and unrolled performance:
Reps Time(s) DGEFA DGESL OVERHEAD KFLOPS
----------------------------------------------------
1024 0.73 78.08% 6.85% 15.07% 2268215.054
2048 1.45 84.14% 5.52% 10.34% 2163528.205
4096 2.91 84.19% 3.44% 12.37% 2205950.327
8192 5.83 80.96% 3.09% 15.95% 2295989.116
16384 11.60 84.05% 3.62% 12.33% 2212457.555
FX-8320, gcc дефолтный из Debian Squeeze
Исходная версия YAR, :
./linpack
Enter array size (q to quit) [200]:
Memory required: 315K.
LINPACK benchmark, Double precision.
Machine precision: 15 digits.
Array size 200 X 200.
Average rolled and unrolled performance:
Reps Time(s) DGEFA DGESL OVERHEAD KFLOPS
----------------------------------------------------
1024 0.73 90.41% 2.74% 6.85% 2068078.431
2048 1.44 84.72% 2.08% 13.19% 2250069.333
4096 2.91 85.91% 3.44% 10.65% 2163528.205
8192 5.85 85.64% 2.74% 11.62% 2176082.527
16384 11.64 84.62% 3.26% 12.11% 2199481.264
FX-8320, gcc дефолтный из Debian Squeeze