nuffttestnd output:
what CPUs do I have?...
model name	: Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Thread(s) per core:    2
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 58
Stepping:              9
CPU MHz:               1569.546
BogoMIPS:              5187.75
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              6144K
NUMA node0 CPU(s):     0-7

tol = 1e-6: multi-core tests...
test 1d type-1:
	1000000 NU pts to 1000000 modes in 0.195 s 	5.13e+06 NU pts/s
one mode: rel err in F[499993] is 4.3e-07
test 1d type-2:
	1000000 modes to 1000000 NU pts in 0.168 s 	5.95e+06 NU pts/s
one targ: rel err in c[500000] is 3.53e-07
test 1d type-3:
	1000000 NU to 1000000 NU in 0.462 s   2.16e+06 srcs/s, 2.16e+06 targs/s
one targ: rel err in F[500000] is 2.45e-07
test 2d type-1:
	1000000 NU pts to (500,2000) modes in 0.228 s 	4.39e+06 NU pts/s
one mode: rel err in F[243,995] is 4.15e-08
test 2d type-2:
	(500,2000) modes to 1000000 NU pts in 0.222 s 	4.5e+06 NU pts/s
one targ: rel err in c[500000] is 1.36e-07
test 2d type-3:
	1000000 NU to 1000000 NU in 0.984 s   1.02e+06 srcs/s, 1.02e+06 targs/s
one targ: rel err in F[500000] is 1.63e-07
test 3d type-1:
     1000000 NU pts to (100,200,50) modes in 0.624 s 	1.6e+06 NU pts/s
one mode: rel err in F[43,95,17] is 5.9e-07
test 3d type-2:
     (100,200,50) modes to 1000000 NU pts in 0.548 s 	1.82e+06 NU pts/s
one targ: rel err in c[500000] is 3.11e-07
test 3d type-3:
	1000000 NU to 1000000 NU in 2.64 s   3.79e+05 srcs/s, 3.79e+05 targs/s
one targ: rel err in F[500000] is 2.55e-07

tol = 1e-6: single core tests...
test 1d type-1:
	1000000 NU pts to 1000000 modes in 0.44 s 	2.27e+06 NU pts/s
one mode: rel err in F[499993] is 4.3e-07
test 1d type-2:
	1000000 modes to 1000000 NU pts in 0.422 s 	2.37e+06 NU pts/s
one targ: rel err in c[500000] is 3.53e-07
test 1d type-3:
	1000000 NU to 1000000 NU in 1.32 s   7.6e+05 srcs/s, 7.6e+05 targs/s
one targ: rel err in F[500000] is 2.45e-07
test 2d type-1:
	1000000 NU pts to (500,2000) modes in 0.778 s 	1.29e+06 NU pts/s
one mode: rel err in F[243,995] is 4.15e-08
test 2d type-2:
	(500,2000) modes to 1000000 NU pts in 0.751 s 	1.33e+06 NU pts/s
one targ: rel err in c[500000] is 1.36e-07
test 2d type-3:
	1000000 NU to 1000000 NU in 3.09 s   3.24e+05 srcs/s, 3.24e+05 targs/s
one targ: rel err in F[500000] is 1.63e-07
test 3d type-1:
     1000000 NU pts to (100,200,50) modes in 2 s 	5.01e+05 NU pts/s
one mode: rel err in F[43,95,17] is 5.9e-07
test 3d type-2:
     (100,200,50) modes to 1000000 NU pts in 1.89 s 	5.29e+05 NU pts/s
one targ: rel err in c[500000] is 3.11e-07
test 3d type-3:
	1000000 NU to 1000000 NU in 7.59 s   1.32e+05 srcs/s, 1.32e+05 targs/s
one targ: rel err in F[500000] is 2.55e-07
