Details

Time bar (total: 12.6s)

sample36.0ms

Algorithm
intervals
Results
8.0ms39×body2560valid
6.0ms183×body80valid
4.0ms24×body1280valid
3.0ms84×body80nan
2.0ms15×body640valid
1.0ms12×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify15.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
11813
23213
34013
44213
done4213

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 91
Calls
4 calls:
35.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series253.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
36.0ms
(- (* b_2 b_2) (* a c))
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.6s

Counts
103 → 103
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01561821
13681727
29971611
331811595
done50001594

prune253.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×*-un-lft-identity
13×add-exp-log add-cube-cbrt associate-*r*
11×times-frac
10×add-log-exp
add-cbrt-cube
pow1 associate-*l*
flip3-- sqrt-prod flip--
prod-exp distribute-lft-out-- difference-of-squares
diff-log unswap-sqr
frac-times sub-neg distribute-rgt-neg-in sqrt-div div-exp associate-*l/ cbrt-unprod
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
53.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
3.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series253.0ms

Counts
4 → 12
Calls
4 calls:
86.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
34.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.6s

Counts
101 → 101
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01751741
14271541
212371375
343921349
done50001348

prune241.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b_2 b_2) (* a c))
1.3b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.7b
(/ (+ 0 (* a c)) a)
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
17×*-un-lft-identity
14×add-sqr-sqrt
13×add-cube-cbrt
10×add-log-exp
times-frac
add-exp-log add-cbrt-cube
pow1
associate-/r* sqrt-prod associate-/l*
flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/ distribute-lft-out
cbrt-undiv +-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 diff-log div-exp neg-log clear-num div-inv
Counts
4 → 71
Calls
4 calls:
3.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
7.0ms
(/ (+ 0 (* a c)) a)
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series175.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(- (* b_2 b_2) (* a c))
69.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
9.0ms
(/ (+ 0 (* a c)) a)
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.6s

Counts
83 → 83
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01441084
1341915
21080825
34301785
done5000785

prune228.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 1 (/ c 1)) (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
0.8b
(- (* b_2 b_2) (* a c))
1.3b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
19×*-un-lft-identity
13×add-cbrt-cube
11×div-exp
10×add-log-exp
add-sqr-sqrt
add-cube-cbrt
prod-exp distribute-lft-out
pow1 times-frac 1-exp associate-/r*
cbrt-undiv
distribute-rgt-neg-in sqrt-prod
flip3-- flip3-+ sqrt-div sum-log associate-/r/ flip-- cbrt-unprod flip-+
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log associate-*r/ neg-log clear-num div-inv associate-/l/ associate-/l*
Counts
4 → 76
Calls
4 calls:
26.0ms
(/ (* 1 (/ c 1)) (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
3.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series364.0ms

Counts
4 → 12
Calls
4 calls:
191.0ms
(/ (* 1 (/ c 1)) (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
34.0ms
(- (* b_2 b_2) (* a c))
74.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
65.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
88 → 88
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01611530
14361274
211271060
336941044
done50001043

prune199.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 5.3b

regimes367.0ms

Accuracy

92.7% (1.8b remaining)

Error of 7.1b against oracle of 5.3b and baseline of 29.4b

bsearch118.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
4.581932003920303e+61
6
1.9974031211523764e-132
9.034365154863063e-132
2.021456790140741e-132
7
-3.550313394724354e+57
-2.3888623512096697e+55
-3.286134886319968e+57

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03154
13950
done3950

end0.0ms

sample1.0s

Algorithm
intervals
Results
216.0ms1071×body2560valid
206.0ms5863×body80valid
139.0ms830×body1280valid
91.0ms2880×body80nan
66.0ms477×body640valid
27.0ms110×body5120valid
24.0ms244×body320valid
10.0ms116×body160valid