1 from openpower
.decoder
.selectable_int
import (FieldSelectableInt
, SelectableInt
,
3 from openpower
.decoder
.isa
.remapyield
import iterate_indices
4 from openpower
.decoder
.isa
.remap_fft_yield
import iterate_butterfly_indices
5 from openpower
.decoder
.isa
.remap_dct_yield
import (
6 iterate_dct_inner_butterfly_indices
,
7 iterate_dct_inner_costable_indices
,
8 iterate_dct_outer_butterfly_indices
)
9 from openpower
.sv
.svp64
import SVP64SHAPE
11 from copy
import deepcopy
12 from openpower
.util
import log
15 class SVSHAPE(SelectableInt
):
16 def __init__(self
, value
):
17 SelectableInt
.__init
__(self
, value
, 32)
19 # set up sub-fields from Record layout
21 l
= deepcopy(SVP64SHAPE
.layout
)
23 for field
, width
in l
:
25 fs
= tuple(range(offs
, end
))
26 v
= FieldSelectableInt(self
, fs
)
28 log("SVSHAPE setup field", field
, offs
, end
)
33 return self
.fsi
['permute'].asint(msb0
=True)
36 def submode2(self
, value
):
37 self
.fsi
['permute'].eq(value
)
41 permute
= self
.fsi
['permute'].asint(msb0
=True)
42 return SVP64SHAPE
.order(permute
)
45 def order(self
, value
):
46 rorder
= SVP64SHAPE
.rorder(value
)
47 self
.fsi
['permute'].eq(rorder
)
51 return self
.fsi
['xdimsz'].asint(msb0
=True)+1
54 def xdimsz(self
, value
):
55 self
.fsi
['xdimsz'].eq(value
-1)
59 return self
.fsi
['ydimsz'].asint(msb0
=True)+1
62 def ydimsz(self
, value
):
63 self
.fsi
['ydimsz'].eq(value
-1)
67 return self
.fsi
['zdimsz'].asint(msb0
=True)+1
70 def zdimsz(self
, value
):
71 self
.fsi
['zdimsz'].eq(value
-1)
75 return [self
.xdimsz
, self
.ydimsz
, self
.zdimsz
]
78 def lims(self
, value
):
79 self
.xdimsz
= value
[0]
80 self
.ydimsz
= value
[1]
81 self
.zdimsz
= value
[2]
85 inv
= self
.fsi
['invxyz'].asint(msb0
=True)
86 return [(inv
& 0b1), (inv
& 0b10) >> 1, (inv
& 0b100) >> 2]
89 def invxyz(self
, value
):
90 self
.fsi
['invxyz'].eq(value
[0] |
(value
[1]<<1) |
(value
[2]<<2))
94 return self
.fsi
['mode'].asint(msb0
=True)
97 def mode(self
, value
):
98 self
.fsi
['mode'].eq(value
)
102 return self
.fsi
['skip'].asint(msb0
=True)
105 def skip(self
, value
):
106 self
.fsi
['skip'].eq(value
)
110 return self
.fsi
['offset'].asint(msb0
=True)
113 def offset(self
, value
):
114 self
.fsi
['offset'].eq(value
)
116 def get_iterator(self
):
117 log ("SVSHAPE get_iterator", self
.mode
, self
.ydimsz
)
118 if self
.mode
== 0b00:
119 iterate_fn
= iterate_indices
120 elif self
.mode
== 0b01:
121 # further sub-selection
123 iterate_fn
= iterate_butterfly_indices
124 elif self
.ydimsz
in [2, 4]:
125 iterate_fn
= iterate_dct_inner_butterfly_indices
126 elif self
.ydimsz
== 3:
127 iterate_fn
= iterate_dct_outer_butterfly_indices
128 elif self
.ydimsz
== 5:
129 iterate_fn
= iterate_dct_inner_costable_indices
130 # create a **NEW** iterator each time this is called
131 return iterate_fn(deepcopy(self
))
134 if __name__
== '__main__':
135 os
.environ
['SILENCELOG'] = "1"
139 SVSHAPE0
= SVSHAPE(0)
140 SVSHAPE0
.lims
= [xdim
, ydim
, zdim
]
141 SVSHAPE0
.order
= [1,0,2] # experiment with different permutations, here
144 SVSHAPE0
.offset
= 0 # experiment with different offset, here
145 SVSHAPE0
.invxyz
= [0,0,0] # inversion if desired
147 VL
= xdim
* ydim
* zdim
149 print ("Matrix Mode")
150 for idx
, new_idx
in enumerate(SVSHAPE0
.get_iterator()):
153 print ("%d->%d" % (idx
, new_idx
))
158 # set the dimension sizes here
160 ydim
= 0 # not needed
161 zdim
= 0 # again, not needed
163 # set total. err don't know how to calculate how many there are...
164 # do it manually for now
171 tablestep
= n
// size
172 for i
in range(0, n
, size
):
173 for j
in range(i
, i
+ halfsize
):
178 SVSHAPE0
= SVSHAPE(0)
179 SVSHAPE0
.lims
= [xdim
, ydim
, zdim
]
180 SVSHAPE0
.order
= [0,1,2] # experiment with different permutations, here
182 SVSHAPE0
.offset
= 0 # experiment with different offset, here
183 SVSHAPE0
.invxyz
= [0,0,0] # inversion if desired
184 # j+halfstep schedule
185 SVSHAPE1
= SVSHAPE(0)
186 SVSHAPE1
.lims
= [xdim
, ydim
, zdim
]
187 SVSHAPE1
.order
= [0,1,2] # experiment with different permutations, here
189 SVSHAPE1
.offset
= 0 # experiment with different offset, here
190 SVSHAPE1
.invxyz
= [0,0,0] # inversion if desired
192 SVSHAPE2
= SVSHAPE(0)
193 SVSHAPE2
.lims
= [xdim
, ydim
, zdim
]
194 SVSHAPE2
.order
= [0,1,2] # experiment with different permutations, here
196 SVSHAPE2
.offset
= 0 # experiment with different offset, here
197 SVSHAPE2
.invxyz
= [0,0,0] # inversion if desired
199 # enumerate over the iterator function, getting new indices
201 for idx
, (jl
, jh
, k
) in enumerate(zip(iterate_indices(SVSHAPE0
),
202 iterate_indices(SVSHAPE1
),
203 iterate_indices(SVSHAPE2
))):
206 schedule
.append((jl
, jh
, k
))
208 # ok now pretty-print the results, with some debug output
213 tablestep
= n
// size
214 print ("size %d halfsize %d tablestep %d" % \
215 (size
, halfsize
, tablestep
))
216 for i
in range(0, n
, size
):
217 prefix
= "i %d\t" % i
219 for j
in range(i
, i
+ halfsize
):
220 jl
, jh
, ks
= schedule
[idx
]
221 print (" %-3d\t%s j=%-2d jh=%-2d k=%-2d -> "
222 "j[jl=%-2d] j[jh=%-2d] exptable[k=%d]" % \
223 (idx
, prefix
, j
, j
+halfsize
, k
,