Details

Time bar (total: 23.8s)

sample97.0ms

Algorithm
intervals
Results
27.0ms40×body2560valid
21.0ms186×body80valid
14.0ms28×body1280valid
10.0ms91×body80nan
4.0ms10×body640valid
3.0msbody320valid
2.0msbody5120valid
1.0msbody160valid

simplify109.0ms

Counts
1 → 1
Iterations
IterNodes
895
795
694
592
484
367
243
124
014

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
1.0b
(- (* b b) (* (* 4 a) c))
1.3b
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
21.9b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 88
Calls
4 calls:
72.0ms
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
13.0ms
(- (* b b) (* (* 4 a) c))
35.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
7.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series374.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(/ (- (sqrt (- (* b b) (* (* 4 a) c))) b) a)
54.0ms
(- (* b b) (* (* 4 a) c))
100.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
87.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.5s

Counts
100 → 100
Iterations
IterNodes
33816
21126
1392
0161

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.8b

localize49.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b b) (* (* 4 a) c))) b) (/ 1 a))
1.0b
(- (* b b) (* (* 4 a) c))
1.3b
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
21.9b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite227.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*r* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
prod-exp insert-posit16 difference-of-squares
unswap-sqr
frac-times sub-neg sqrt-div diff-log div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
142.0ms
(* (- (sqrt (- (* b b) (* (* 4 a) c))) b) (/ 1 a))
7.0ms
(- (* b b) (* (* 4 a) c))
62.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
14.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series411.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(* (- (sqrt (- (* b b) (* (* 4 a) c))) b) (/ 1 a))
60.0ms
(- (* b b) (* (* 4 a) c))
92.0ms
(- (sqrt (- (* b b) (* (* 4 a) c))) b)
110.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify2.7s

Counts
101 → 101
Iterations
IterNodes
34837
21437
1455
0181

prune1.0s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.8b

localize28.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (+ (* -4 (* a c)) (* b b))) b) a)
1.0b
(+ (* -4 (* a c)) (* b b))
1.3b
(- (sqrt (+ (* -4 (* a c)) (* b b))) b)
21.9b
(sqrt (+ (* -4 (* a c)) (* b b)))

rewrite303.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
insert-posit16
associate-/r*
flip3-+ flip3-- sqrt-div flip-+ flip-- associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp div-inv
Counts
4 → 87
Calls
4 calls:
164.0ms
(/ (- (sqrt (+ (* -4 (* a c)) (* b b))) b) a)
23.0ms
(+ (* -4 (* a c)) (* b b))
99.0ms
(- (sqrt (+ (* -4 (* a c)) (* b b))) b)
15.0ms
(sqrt (+ (* -4 (* a c)) (* b b)))

series396.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(/ (- (sqrt (+ (* -4 (* a c)) (* b b))) b) a)
66.0ms
(+ (* -4 (* a c)) (* b b))
102.0ms
(- (sqrt (+ (* -4 (* a c)) (* b b))) b)
91.0ms
(sqrt (+ (* -4 (* a c)) (* b b)))

simplify1.6s

Counts
99 → 99
Iterations
IterNodes
33527
2930
1328
0137

prune1.1s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 4.8b

localize18.0ms

Local error

Found 1 expressions with local error:

0.0b
(* -2 (/ c b))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×associate-*r*
10×times-frac
*-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log
pow1 associate-*l*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv div-exp pow-prod-down associate-*r/ *-commutative insert-posit16 div-inv add-log-exp
Counts
1 → 33
Calls
1 calls:
23.0ms
(* -2 (/ c b))

series20.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(* -2 (/ c b))

simplify6.9s

Counts
36 → 36
Iterations
IterNodes
43714
31054
2425
1169
069

prune285.0ms

Pruning

14 alts after pruning (11 fresh and 3 done)

Merged error: 4.8b

regimes467.0ms

Accuracy

85.1% (4.2b remaining)

Error of 9.6b against oracle of 5.4b and baseline of 33.6b

bsearch272.0ms

Steps
ItersRangePoint
8
6.256891986679925e-86
3.543466061308676e-83
5.9878793504095505e-84
10
-1.0499721897563905e+163
-8.354690034354516e+151
-9.768773924260542e+151

simplify9.0ms

Iterations
IterNodes
232
132
027

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.2s935×body1280valid
1.1s5845×body80valid
1.0s1106×body2560valid
493.0ms2919×body80nan
273.0ms453×body640valid
176.0ms111×body5120valid
92.0ms212×body320valid
28.0ms113×body160valid