Details

Time bar (total: 21.6s)

sample133.0ms

Algorithm
intervals
Results
33.0ms39×body2560valid
27.0ms188×body80valid
22.0ms31×body1280valid
12.0ms87×body80nan
11.0ms13×body640valid
4.0msbody5120valid
3.0msbody320valid
0.0msbody160valid

simplify89.0ms

Counts
1 → 1
Iterations
IterNodes
done113
5113
4105
381
243
122
012

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (* -3 a) c (* b b))
0.2b
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* 3 a))
0.4b
(- (sqrt (fma (* -3 a) c (* b b))) b)
23.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
18×prod-diff sqrt-prod
add-cbrt-cube add-exp-log
times-frac fma-neg associate-/l* add-log-exp difference-of-squares
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-out--
cbrt-undiv flip3-- div-exp flip-- associate-/l/
rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub prod-exp cbrt-unprod fma-udef div-inv
Counts
4 → 102
Calls
4 calls:
0.0ms
(fma (* -3 a) c (* b b))
24.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* 3 a))
8.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
1.0ms
(sqrt (fma (* -3 a) c (* b b)))

series522.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(fma (* -3 a) c (* b b))
224.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) (* 3 a))
116.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
102.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.5s

Counts
114 → 114
Iterations
IterNodes
done5000
21069
1348
0152

prune754.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 29.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
0.2b
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
0.4b
(- (sqrt (fma (* -3 a) c (* b b))) b)
23.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
162×add-sqr-sqrt
156×times-frac
127×*-un-lft-identity
93×add-cube-cbrt
34×difference-of-squares
32×sqrt-prod
28×associate-/l*
18×prod-diff
17×distribute-lft-out--
11×add-cbrt-cube add-exp-log
associate-/r* fma-neg div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u
div-sub associate-/l/
clear-num frac-2neg flip3-- flip--
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log
Counts
4 → 213
Calls
4 calls:
23.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
31.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
8.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
2.0ms
(sqrt (fma (* -3 a) c (* b b)))

series1.0s

Counts
4 → 12
Calls
4 calls:
139.0ms
(/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3)
242.0ms
(/ (/ (- (sqrt (fma (* -3 a) c (* b b))) b) 3) a)
569.0ms
(- (sqrt (fma (* -3 a) c (* b b))) b)
94.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify1.9s

Counts
225 → 225
Iterations
IterNodes
done5001
21838
1638
0282

prune1.3s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 22.5b

localize39.0ms

Local error

Found 4 expressions with local error:

1.1b
(+ (sqrt (fma (* -3 a) c (* b b))) b)
4.5b
(/ (/ (/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) 3) a)
11.1b
(/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
23.1b
(sqrt (fma (* -3 a) c (* b b)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
546×times-frac
329×*-un-lft-identity
248×add-sqr-sqrt
247×add-cube-cbrt
61×associate-/l*
41×distribute-lft-out
26×associate-/r/
18×div-inv
15×add-cbrt-cube add-exp-log
14×flip3-+ flip-+
cbrt-undiv associate-/r* div-exp
fma-def sqrt-prod add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
clear-num frac-2neg
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 328
Calls
4 calls:
12.0ms
(+ (sqrt (fma (* -3 a) c (* b b))) b)
35.0ms
(/ (/ (/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) 3) a)
12.0ms
(/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
2.0ms
(sqrt (fma (* -3 a) c (* b b)))

series965.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(+ (sqrt (fma (* -3 a) c (* b b))) b)
312.0ms
(/ (/ (/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b)) 3) a)
343.0ms
(/ (fma c (* -3 a) 0) (+ (sqrt (fma (* -3 a) c (* b b))) b))
156.0ms
(sqrt (fma (* -3 a) c (* b b)))

simplify2.4s

Counts
340 → 340
Iterations
IterNodes
done5017
24170
11285
0573

prune2.5s

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 16.9b

localize33.0ms

Local error

Found 4 expressions with local error:

0.5b
(fma b b (* (* -3 a) c))
1.1b
(+ (sqrt (fma b b (* (* -3 a) c))) b)
14.4b
(/ a (* (* -3 a) c))
23.1b
(sqrt (fma b b (* (* -3 a) c)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
13×add-cbrt-cube add-exp-log
11×*-un-lft-identity
10×add-sqr-sqrt
add-cube-cbrt
fma-def sqrt-prod add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv times-frac div-exp prod-exp cbrt-unprod associate-/l*
+-commutative rem-sqrt-square clear-num associate-/r* sum-log frac-2neg sqrt-pow1 flip3-+ pow1/2 flip-+ fma-udef div-inv distribute-lft-out
Counts
4 → 74
Calls
4 calls:
0.0ms
(fma b b (* (* -3 a) c))
7.0ms
(+ (sqrt (fma b b (* (* -3 a) c))) b)
33.0ms
(/ a (* (* -3 a) c))
3.0ms
(sqrt (fma b b (* (* -3 a) c)))

series398.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(fma b b (* (* -3 a) c))
134.0ms
(+ (sqrt (fma b b (* (* -3 a) c))) b)
14.0ms
(/ a (* (* -3 a) c))
152.0ms
(sqrt (fma b b (* (* -3 a) c)))

simplify1.6s

Counts
86 → 86
Iterations
IterNodes
done5000
21107
1310
0130

prune533.0ms

Pruning

19 alts after pruning (17 fresh and 2 done)

Merged error: 10.0b

regimes695.0ms

Accuracy

97.5% (0.5b remaining)

Error of 10.4b against oracle of 9.9b and baseline of 29.9b

bsearch533.0ms

Steps
ItersRangePoint
9
2.186481029015607e+142
3.2832683303982924e+151
1.5879900645620077e+150
9
1.1434221264748056e-201
3.385720996279136e-192
1.1685637944370405e-201
9
-5.599802959155633e+154
-4.186518194588193e+147
-1.3282248930815427e+154

simplify16.0ms

Iterations
IterNodes
done61
161
047

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.4s5889×body80valid
1.1s1064×body2560valid
576.0ms903×body1280valid
484.0ms2854×body80nan
274.0ms446×body640valid
95.0ms95×body5120valid
75.0ms206×body320valid
32.0ms133×body160valid