Details

Time bar (total: 18.8s)

sample160.0ms

Algorithm
intervals
Results
36.0ms36×body2560valid
32.0ms86×body80nan
32.0ms187×body80valid
21.0ms25×body1280valid
11.0ms17×body640valid
4.0msbody320valid
1.0msbody160valid

simplify136.0ms

Counts
1 → 1
Iterations
IterNodes
8105
7105
6104
5102
494
377
244
125
014

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
0.9b
(- (sqrt (fma b b (* (* a -4) c))) b)
1.0b
(fma b b (* (* a -4) c))
23.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
22.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
11.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
0.0ms
(fma b b (* (* a -4) c))
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series367.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
93.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
80.0ms
(fma b b (* (* a -4) c))
82.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.3s

Counts
126 → 126
Iterations
IterNodes
32626
2950
1405
0180

prune632.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.4b

localize36.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
0.9b
(- (sqrt (fma b b (* (* a -4) c))) b)
1.0b
(fma b b (* (* a -4) c))
23.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
32×*-un-lft-identity
27×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r* add-exp-log
11×times-frac
add-cbrt-cube
pow1
fma-neg associate-*l* add-log-exp
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u difference-of-squares
flip3-- flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef div-inv
Counts
4 → 115
Calls
4 calls:
44.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
11.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
0.0ms
(fma b b (* (* a -4) c))
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series444.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
119.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
62.0ms
(fma b b (* (* a -4) c))
102.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify3.3s

Counts
127 → 127
Iterations
IterNodes
33169
21190
1467
0200

prune575.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 6.4b

localize31.0ms

Local error

Found 4 expressions with local error:

1.0b
(fma b b (* (* a -4) c))
1.0b
(fma b b (* (* a -4) c))
23.5b
(sqrt (fma b b (* (* a -4) c)))
23.5b
(sqrt (fma b b (* (* a -4) c)))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 54
Calls
4 calls:
0.0ms
(fma b b (* (* a -4) c))
0.0ms
(fma b b (* (* a -4) c))
2.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series352.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(fma b b (* (* a -4) c))
65.0ms
(fma b b (* (* a -4) c))
105.0ms
(sqrt (fma b b (* (* a -4) c)))
105.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.0s

Counts
66 → 66
Iterations
IterNodes
42419
3634
2216
192
049

prune491.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.4b

localize64.0ms

Local error

Found 4 expressions with local error:

23.5b
(sqrt (fma b b (* (* a -4) c)))
24.2b
(cbrt (fma b b (* (* a -4) c)))
24.2b
(cbrt (fma b b (* (* a -4) c)))
24.2b
(cbrt (fma b b (* (* a -4) c)))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
1.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(cbrt (fma b b (* (* a -4) c)))
1.0ms
(cbrt (fma b b (* (* a -4) c)))
1.0ms
(cbrt (fma b b (* (* a -4) c)))

series542.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(sqrt (fma b b (* (* a -4) c)))
158.0ms
(cbrt (fma b b (* (* a -4) c)))
143.0ms
(cbrt (fma b b (* (* a -4) c)))
145.0ms
(cbrt (fma b b (* (* a -4) c)))

simplify3.0s

Counts
70 → 70
Iterations
IterNodes
54129
41643
3759
2324
1147
072

prune639.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 6.4b

regimes417.0ms

Accuracy

84.2% (4.3b remaining)

Error of 10.0b against oracle of 5.7b and baseline of 32.9b

bsearch255.0ms

Steps
ItersRangePoint
8
5.833527798943191e-77
3.6732813120885656e-72
3.1295384133612364e-73
9
-2.2174027590176242e+73
-8.164533525332822e+65
-3.063397748446981e+71

simplify10.0ms

Iterations
IterNodes
233
133
028

end0.0ms

sample4.9s

Algorithm
intervals
Results
1.5s1026×body2560valid
1.4s5891×body80valid
687.0ms881×body1280valid
373.0ms2954×body80nan
282.0ms464×body640valid
145.0ms237×body320valid
110.0ms96×body5120valid
27.0ms104×body160valid