Details

Time bar (total: 24.5s)

sample84.0ms

Algorithm
intervals
Results
22.0ms30×body2560valid
17.0ms193×body80valid
14.0ms31×body1280valid
8.0ms91×body80nan
5.0ms14×body640valid
3.0ms10×body320valid
2.0msbody5120valid
0.0msbody160valid

simplify159.0ms

Counts
1 → 1
Iterations
IterNodes
8134
7134
6132
5129
4126
3103
262
128
014

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.1b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.3b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.4b
(- (* b b) (* 4 (* a c)))
22.7b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- insert-posit16 flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 81
Calls
4 calls:
68.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
15.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
8.0ms
(- (* b b) (* 4 (* a c)))
8.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series477.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
144.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
78.0ms
(- (* b b) (* 4 (* a c)))
121.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.1s

Counts
93 → 93
Iterations
IterNodes
34241
21197
1400
0154

prune1.0s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.1b

localize50.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
0.3b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.4b
(- (* b b) (* 4 (* a c)))
22.7b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite149.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-*l*
flip3-- sqrt-prod flip--
insert-posit16 distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg distribute-rgt-neg-in sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
98.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
14.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
21.0ms
(- (* b b) (* 4 (* a c)))
14.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series416.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(* (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (/ 1/2 a))
128.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
58.0ms
(- (* b b) (* 4 (* a c)))
91.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify2.8s

Counts
101 → 101
Iterations
IterNodes
35864
21453
1450
0177

prune1.2s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.1b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
0.3b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.4b
(- (* b b) (* 4 (* a c)))
22.7b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
insert-posit16
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod pow-flip inv-pow
Counts
4 → 129
Calls
4 calls:
59.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
35.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
14.0ms
(- (* b b) (* 4 (* a c)))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series424.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
117.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
65.0ms
(- (* b b) (* 4 (* a c)))
92.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify3.9s

Counts
141 → 141
Iterations
IterNodes
36394
21609
1554
0229

prune1.8s

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.1b

localize64.0ms

Local error

Found 4 expressions with local error:

0.2b
(* a (/ -2 (- (- b) (sqrt (- (* b b) (* (* a c) 4))))))
0.3b
(- (- b) (sqrt (- (* b b) (* (* a c) 4))))
1.4b
(- (* b b) (* (* a c) 4))
22.7b
(sqrt (- (* b b) (* (* a c) 4)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
39×add-sqr-sqrt
33×*-un-lft-identity
27×associate-*r*
22×times-frac
17×add-cube-cbrt
10×add-log-exp
add-cbrt-cube add-exp-log
distribute-lft-out-- difference-of-squares
pow1 sqrt-prod
distribute-rgt-neg-in flip3-- insert-posit16 flip--
diff-log associate-*l*
sub-neg sqrt-div prod-exp associate-/r/ cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 95
Calls
4 calls:
63.0ms
(* a (/ -2 (- (- b) (sqrt (- (* b b) (* (* a c) 4))))))
15.0ms
(- (- b) (sqrt (- (* b b) (* (* a c) 4))))
8.0ms
(- (* b b) (* (* a c) 4))
15.0ms
(sqrt (- (* b b) (* (* a c) 4)))

series542.0ms

Counts
4 → 12
Calls
4 calls:
248.0ms
(* a (/ -2 (- (- b) (sqrt (- (* b b) (* (* a c) 4))))))
113.0ms
(- (- b) (sqrt (- (* b b) (* (* a c) 4))))
76.0ms
(- (* b b) (* (* a c) 4))
105.0ms
(sqrt (- (* b b) (* (* a c) 4)))

simplify1.8s

Counts
107 → 107
Iterations
IterNodes
33733
21251
1439
0175

prune1.2s

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 6.1b

regimes510.0ms

Accuracy

82.3% (4.9b remaining)

Error of 10.4b against oracle of 5.5b and baseline of 33.3b

bsearch227.0ms

Steps
ItersRangePoint
7
1.3534154308951418e+51
2.3844270322569095e+52
2.3648644896474148e+52
9
-5.573104320306828e-19
-3.9027827987942555e-24
-4.179137486378021e-24

simplify6.0ms

Iterations
IterNodes
230
130
024

end0.0ms

sample5.1s

Algorithm
intervals
Results
1.5s1013×body2560valid
980.0ms5885×body80valid
765.0ms909×body1280valid
719.0ms440×body640valid
479.0ms2878×body80nan
134.0ms242×body320valid
130.0ms122×body5120valid
30.0ms112×body160valid