Xeon detected, switching off spreader sorting...
spreadtestnd output:
what CPUs do I have?...
model name	: Intel(R) Xeon(R) CPU E5-2643 v3 @ 3.40GHz
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                24
On-line CPU(s) list:   0-23
Thread(s) per core:    2
Core(s) per socket:    6
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 63
Model name:            Intel(R) Xeon(R) CPU E5-2643 v3 @ 3.40GHz
Stepping:              2
CPU MHz:               1204.742
BogoMIPS:              6791.01
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              20480K
NUMA node0 CPU(s):     0-5,12-17
NUMA node1 CPU(s):     6-11,18-23

#NU = 1e6, #U = 1e6, tol = 1e-6, sort = 0: multi-core tests...
cnufftspread 1D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 0.076 s 	1.32e+07 pts/s 	9.21e+07 spread pts/s
	rel err in total over grid:      2.82e-07
cnufftspread 1D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 0.079 s 	1.27e+07 pts/s 	8.86e+07 spread pts/s
	max rel err in values at NU pts: 1.14e-06
cnufftspread 2D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 0.087 s 	1.15e+07 pts/s 	5.63e+08 spread pts/s
	rel err in total over grid:      -3.79e-07
cnufftspread 2D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 0.075 s 	1.33e+07 pts/s 	6.53e+08 spread pts/s
	max rel err in values at NU pts: 2.26e-06
cnufftspread 3D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 0.235 s 	4.26e+06 pts/s 	1.46e+09 spread pts/s
	rel err in total over grid:      -2.08e-07
cnufftspread 3D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 0.145 s 	6.9e+06 pts/s 	2.37e+09 spread pts/s
	max rel err in values at NU pts: 3.29e-06

#NU = 1e6, #U = 1e6, tol = 1e-6, sort = 0: single core tests...
cnufftspread 1D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 0.328 s 	3.05e+06 pts/s 	2.13e+07 spread pts/s
	rel err in total over grid:      3.96e-07
cnufftspread 1D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 0.387 s 	2.58e+06 pts/s 	1.81e+07 spread pts/s
	max rel err in values at NU pts: 1.14e-06
cnufftspread 2D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 0.749 s 	1.34e+06 pts/s 	6.54e+07 spread pts/s
	rel err in total over grid:      1.51e-06
cnufftspread 2D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 0.72 s 	1.39e+06 pts/s 	6.81e+07 spread pts/s
	max rel err in values at NU pts: 2.28e-06
cnufftspread 3D, 1e+06 U pts, dir=1, tol=1e-06: nspread=7
	1e+06 NU pts in 1.82 s 	5.49e+05 pts/s 	1.88e+08 spread pts/s
	rel err in total over grid:      1.42e-06
cnufftspread 3D, 1e+06 U pts, dir=2, tol=1e-06: nspread=7
	1e+06 NU pts in 1.73 s 	5.78e+05 pts/s 	1.98e+08 spread pts/s
	max rel err in values at NU pts: 3.35e-06
Xeon detected, switching off spreader sorting...
nuffttestnd output:
what CPUs do I have?...
model name	: Intel(R) Xeon(R) CPU E5-2643 v3 @ 3.40GHz
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                24
On-line CPU(s) list:   0-23
Thread(s) per core:    2
Core(s) per socket:    6
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 63
Model name:            Intel(R) Xeon(R) CPU E5-2643 v3 @ 3.40GHz
Stepping:              2
CPU MHz:               1202.351
BogoMIPS:              6791.01
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              20480K
NUMA node0 CPU(s):     0-5,12-17
NUMA node1 CPU(s):     6-11,18-23

size = 1e6, tol = 1e-6: multi-core tests...
test 1d type-1:
	1000000 NU pts to 1000000 modes in 0.169 s 	5.92e+06 NU pts/s
one mode: rel err in F[370000] is 2.6e-07
test 1d type-2:
	1000000 modes to 1000000 NU pts in 0.142 s 	7.04e+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 0.461 s   2.17e+06 srcs/s, 2.17e+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 0.238 s 	4.2e+06 NU pts/s
one mode: rel err in F[185,520] is 1.57e-07
test 2d type-2:
	(500,2000) modes to 1000000 NU pts in 0.19 s 	5.26e+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 0.886 s   1.13e+06 srcs/s, 1.13e+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 0.629 s 	1.59e+06 NU pts/s
one mode: rel err in F[37,52,-19] is 1.8e-07
test 3d type-2:
     (100,200,50) modes to 1000000 NU pts in 0.467 s 	2.14e+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 2.04 s   4.9e+05 srcs/s, 4.9e+05 targs/s
one targ: rel err in F[500000] is 2.55e-07

size = 1e6, tol = 1e-6: single core tests...
test 1d type-1:
	1000000 NU pts to 1000000 modes in 0.474 s 	2.11e+06 NU pts/s
one mode: rel err in F[370000] is 2.6e-07
test 1d type-2:
	1000000 modes to 1000000 NU pts in 0.522 s 	1.92e+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 1.39 s   7.22e+05 srcs/s, 7.22e+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 1.17 s 	8.54e+05 NU pts/s
one mode: rel err in F[185,520] is 1.57e-07
test 2d type-2:
	(500,2000) modes to 1000000 NU pts in 1.1 s 	9.12e+05 NU pts/s
one targ: rel err in c[500000] is 1.36e-07
test 2d type-3:
	1000000 NU to 1000000 NU in 3.78 s   2.64e+05 srcs/s, 2.64e+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 4.21 s 	2.38e+05 NU pts/s
one mode: rel err in F[37,52,-19] is 1.8e-07
test 3d type-2:
     (100,200,50) modes to 1000000 NU pts in 3.89 s 	2.57e+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 11.5 s   8.68e+04 srcs/s, 8.68e+04 targs/s
one targ: rel err in F[500000] is 2.55e-07
