Details

Time bar (total: 20.3s)

sample99.0ms

Algorithm
intervals
Results
22.0ms32×body1280valid
21.0ms182×body80valid
20.0ms30×body2560valid
10.0ms86×body80nan
4.0msbody5120valid
3.0msbody640valid
3.0msbody320valid
2.0msbody160valid

simplify83.0ms

Counts
1 → 1
Iterations
IterNodes
898
798
697
595
487
370
243
124
014

prune16.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.9b

localize51.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
1.4b
(- (* b b) (* (* c a) 4))
2.5b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
21.7b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite172.0ms

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:
75.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
16.0ms
(- (* b b) (* (* c a) 4))
65.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
14.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series472.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
86.0ms
(- (* b b) (* (* c a) 4))
123.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
116.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.5s

Counts
100 → 100
Iterations
IterNodes
33521
21091
1400
0161

prune1.2s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
1.4b
(- (* b b) (* (* c a) 4))
2.5b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
21.7b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite182.0ms

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:
128.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
13.0ms
(- (* b b) (* (* c a) 4))
33.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series409.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
58.0ms
(- (* b b) (* (* c a) 4))
120.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
96.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify2.4s

Counts
101 → 101
Iterations
IterNodes
34877
21495
1462
0181

prune1.1s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 6.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 a) (- (sqrt (- (* b b) (* (* c a) 4))) b))
1.4b
(- (* b b) (* (* c a) 4))
2.5b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
21.7b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*l* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*r*
flip3-- sqrt-prod flip--
sub-neg prod-exp insert-posit16 difference-of-squares
unswap-sqr
distribute-rgt-in frac-times distribute-lft-in sqrt-div diff-log div-exp associate-*r/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*l/ *-commutative div-inv
Counts
4 → 92
Calls
4 calls:
114.0ms
(* (/ 1 a) (- (sqrt (- (* b b) (* (* c a) 4))) b))
7.0ms
(- (* b b) (* (* c a) 4))
45.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series523.0ms

Counts
4 → 12
Calls
4 calls:
224.0ms
(* (/ 1 a) (- (sqrt (- (* b b) (* (* c a) 4))) b))
58.0ms
(- (* b b) (* (* c a) 4))
125.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
116.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify2.2s

Counts
104 → 104
Iterations
IterNodes
34499
21452
1444
0169

prune1.2s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(* a (* c -4))
1.4b
(+ (* a (* c -4)) (* b b))
2.5b
(- (sqrt (+ (* a (* c -4)) (* b b))) b)
21.7b
(sqrt (+ (* a (* c -4)) (* b b)))

rewrite160.0ms

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 insert-posit16
associate-*l* pow-prod-down prod-exp cbrt-unprod
flip3-+ sqrt-div flip-+ difference-of-squares
+-commutative rem-sqrt-square sum-log sub-neg sqrt-pow1 flip3-- pow1/2 diff-log associate-*r* *-commutative flip-- distribute-lft-out--
Counts
4 → 63
Calls
4 calls:
13.0ms
(* a (* c -4))
18.0ms
(+ (* a (* c -4)) (* b b))
107.0ms
(- (sqrt (+ (* a (* c -4)) (* b b))) b)
20.0ms
(sqrt (+ (* a (* c -4)) (* b b)))

series421.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* a (* c -4))
104.0ms
(+ (* a (* c -4)) (* b b))
150.0ms
(- (sqrt (+ (* a (* c -4)) (* b b))) b)
131.0ms
(sqrt (+ (* a (* c -4)) (* b b)))

simplify1.4s

Counts
75 → 75
Iterations
IterNodes
33373
2863
1262
0111

prune777.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 6.0b

regimes291.0ms

Accuracy

82.6% (4.8b remaining)

Error of 10.3b against oracle of 5.5b and baseline of 33.2b

bsearch187.0ms

Steps
ItersRangePoint
7
6.1141969789339016e-111
5.505912162480727e-109
9.831724396970673e-110
8
-1.7996802595953755e+64
-1.2634430355867738e+61
-1.7194502457644758e+64

simplify9.0ms

Iterations
IterNodes
236
136
029

end0.0ms

sample5.1s

Algorithm
intervals
Results
1.7s1109×body2560valid
1.1s885×body1280valid
1.0s5850×body80valid
407.0ms2882×body80nan
255.0ms419×body640valid
122.0ms229×body320valid
118.0ms114×body5120valid
33.0ms127×body160valid