Details

Time bar (total: 17.9s)

sample115.0ms

Algorithm
intervals
Results
29.0ms40×body2560valid
24.0ms187×body80valid
24.0ms32×body1280valid
11.0ms96×body80nan
4.0msbody640valid
2.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify113.0ms

Counts
1 → 1
Iterations
IterNodes
893
793
692
590
482
366
240
121
012

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.4b

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
1.1b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
1.2b
(- (* b b) (* (* 3 a) c))
20.1b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-cbrt-cube add-exp-log
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp cbrt-unprod div-inv
Counts
4 → 72
Calls
4 calls:
105.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
54.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
13.0ms
(- (* b b) (* (* 3 a) c))
11.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series415.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
94.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
53.0ms
(- (* b b) (* (* 3 a) c))
89.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify3.1s

Counts
84 → 84
Iterations
IterNodes
34778
21240
1393
0153

prune828.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.8b

localize22.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (* 3 a) c)
1.1b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
1.2b
(- (* b b) (* (* 3 a) c))
20.1b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1
add-cbrt-cube add-exp-log
*-un-lft-identity add-log-exp
add-cube-cbrt
sqrt-prod
flip3-- associate-*r* pow-prod-down prod-exp cbrt-unprod flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
12.0ms
(* (* 3 a) c)
51.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
6.0ms
(- (* b b) (* (* 3 a) c))
6.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series328.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* (* 3 a) c)
119.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
78.0ms
(- (* b b) (* (* 3 a) c))
92.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify2.1s

Counts
72 → 72
Iterations
IterNodes
33293
2936
1290
0119

prune767.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.5b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 3 (* a c))
1.1b
(- (sqrt (- (* b b) (* 3 (* a c)))) b)
1.2b
(- (* b b) (* 3 (* a c)))
20.1b
(sqrt (- (* b b) (* 3 (* a c))))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1
add-cbrt-cube add-exp-log
*-un-lft-identity add-log-exp
add-cube-cbrt
sqrt-prod
flip3-- associate-*l* pow-prod-down prod-exp cbrt-unprod flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*r* *-commutative distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
18.0ms
(* 3 (* a c))
30.0ms
(- (sqrt (- (* b b) (* 3 (* a c)))) b)
8.0ms
(- (* b b) (* 3 (* a c)))
11.0ms
(sqrt (- (* b b) (* 3 (* a c))))

series291.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(* 3 (* a c))
112.0ms
(- (sqrt (- (* b b) (* 3 (* a c)))) b)
58.0ms
(- (* b b) (* 3 (* a c)))
93.0ms
(sqrt (- (* b b) (* 3 (* a c))))

simplify1.1s

Counts
72 → 72
Iterations
IterNodes
32600
2773
1275
0116

prune776.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.5b

localize39.0ms

Local error

Found 4 expressions with local error:

0.5b
(/ 1 (* 3 a))
1.1b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
1.2b
(- (* b b) (* (* 3 a) c))
20.1b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
15×add-exp-log
12×add-sqr-sqrt
*-un-lft-identity add-cbrt-cube
pow1 add-log-exp
add-cube-cbrt
div-exp sqrt-prod
times-frac flip3-- prod-exp flip-- associate-/l*
cbrt-undiv rec-exp sub-neg sqrt-div diff-log 1-exp pow-flip difference-of-squares
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 pow-prod-down cbrt-unprod div-inv distribute-lft-out-- inv-pow
Counts
4 → 70
Calls
4 calls:
13.0ms
(/ 1 (* 3 a))
51.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
10.0ms
(- (* b b) (* (* 3 a) c))
10.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series295.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(/ 1 (* 3 a))
114.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
54.0ms
(- (* b b) (* (* 3 a) c))
106.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.8s

Counts
82 → 82
Iterations
IterNodes
33420
2964
1317
0136

prune760.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.5b

regimes477.0ms

Accuracy

84.6% (4.3b remaining)

Error of 9.9b against oracle of 5.6b and baseline of 33.3b

bsearch195.0ms

Steps
ItersRangePoint
8
1.248337945535211e-66
3.048951962881303e-62
3.0168583404714427e-66
8
-6.399945091756968e+81
-6.440043566032316e+77
-4.724852789705704e+81

simplify7.0ms

Iterations
IterNodes
232
132
027

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.4s1086×body2560valid
736.0ms5910×body80valid
575.0ms919×body1280valid
313.0ms2909×body80nan
176.0ms435×body640valid
165.0ms119×body5120valid
86.0ms214×body320valid
22.0ms108×body160valid