Details

Time bar (total: 16.4s)

sample48.0ms

Algorithm
intervals
Results
21.0ms290×body80valid
6.0ms89×body80nan

simplify214.0ms

Counts
1 → 1
Iterations
IterNodes
done179
6179
5175
4163
3136
278
138
020

prune25.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize190.0ms

Local error

Found 4 expressions with local error:

0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
12×add-sqr-sqrt add-log-exp
sqrt-prod
pow1 add-cube-cbrt
add-cbrt-cube sqrt-div add-exp-log
flip3-- flip--
neg-sub0 rem-sqrt-square sum-log distribute-rgt-neg-in sqrt-pow1 pow1/2 diff-log neg-log distribute-lft-out distribute-lft-out-- difference-of-squares
associate--l- +-commutative sub-neg flip3-+ associate-+l- flip-+
Counts
4 → 63
Calls
4 calls:
34.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
31.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
17.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
100.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
118.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
139.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify652.0ms

Counts
75 → 75
Iterations
IterNodes
done5000
21037
1255
0100

prune718.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.8b

localize207.0ms

Local error

Found 4 expressions with local error:

6.8b
(- (- b) (* (fabs (cbrt (- (* b b) (* (* c 4.0) a)))) (sqrt (cbrt (- (* b b) (* (* c 4.0) a))))))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))
20.3b
(cbrt (- (* b b) (* (* c 4.0) a)))
20.3b
(cbrt (- (* b b) (* (* c 4.0) a)))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
*-un-lft-identity add-cube-cbrt
cbrt-prod
pow1
cbrt-div flip3-- add-cbrt-cube add-exp-log flip--
sqrt-prod
pow1/3 sqrt-div diff-log
associate--l- neg-sub0 rem-sqrt-square sub-neg sqrt-pow1 pow1/2 neg-log
Counts
4 → 55
Calls
4 calls:
11.0ms
(- (- b) (* (fabs (cbrt (- (* b b) (* (* c 4.0) a)))) (sqrt (cbrt (- (* b b) (* (* c 4.0) a))))))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(cbrt (- (* b b) (* (* c 4.0) a)))
10.0ms
(cbrt (- (* b b) (* (* c 4.0) a)))

series577.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(- (- b) (* (fabs (cbrt (- (* b b) (* (* c 4.0) a)))) (sqrt (cbrt (- (* b b) (* (* c 4.0) a))))))
128.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
123.0ms
(cbrt (- (* b b) (* (* c 4.0) a)))
159.0ms
(cbrt (- (* b b) (* (* c 4.0) a)))

simplify988.0ms

Counts
67 → 67
Iterations
IterNodes
done5001
21851
1428
0165

prune855.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.8b

localize252.0ms

Local error

Found 4 expressions with local error:

19.5b
(sqrt (- (* b b) (* (* c 4.0) a)))
19.5b
(sqrt (- (* b b) (* (* c 4.0) a)))
19.5b
(sqrt (- (* b b) (* (* c 4.0) a)))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity sqrt-div add-cube-cbrt
rem-sqrt-square sqrt-pow1 flip3-- add-cbrt-cube pow1/2 add-exp-log flip-- add-log-exp
Counts
4 → 60
Calls
4 calls:
15.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
16.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
7.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
7.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series426.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
98.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
86.0ms
(sqrt (- (* b b) (* (* c 4.0) a)))
116.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.7s

Counts
72 → 72
Iterations
IterNodes
done5002
34513
2766
1204
079

prune1.2s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 3.8b

localize159.0ms

Local error

Found 4 expressions with local error:

1.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.9b
(/ (- (- b) (- b (/ (* 2.0 a) (/ b c)))) (* 2.0 a))
5.3b
(/ (* 2.0 a) (/ b c))
19.5b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite286.0ms

Algorithm
rewrite-expression-head
Rules
45×*-un-lft-identity
39×times-frac
26×add-sqr-sqrt
21×add-cbrt-cube add-exp-log add-cube-cbrt
14×associate-/r*
12×distribute-lft-out--
associate-/l*
cbrt-undiv div-exp add-log-exp
pow1 distribute-rgt-neg-in
div-inv
prod-exp sqrt-prod cbrt-unprod
clear-num sum-log frac-2neg flip3-- sqrt-div flip-- distribute-lft-out difference-of-squares associate-/l/
neg-sub0 +-commutative rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 div-sub neg-log associate-/r/ associate-+l- flip-+
Counts
4 → 110
Calls
4 calls:
36.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
210.0ms
(/ (- (- b) (- b (/ (* 2.0 a) (/ b c)))) (* 2.0 a))
21.0ms
(/ (* 2.0 a) (/ b c))
14.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series343.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
83.0ms
(/ (- (- b) (- b (/ (* 2.0 a) (/ b c)))) (* 2.0 a))
44.0ms
(/ (* 2.0 a) (/ b c))
97.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.9s

Counts
122 → 122
Iterations
IterNodes
done5002
24098
1677
0245

prune1.0s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 3.7b

regimes490.0ms

Accuracy

93.3% (1.0b remaining)

Error of 6.3b against oracle of 5.3b and baseline of 20.0b

bsearch253.0ms

Steps
ItersRangePoint
8
2.072994944964499e+129
8.571507078369983e+131
1.4828322806133274e+130
7
-5.856362438573669e+138
-1.280729871585891e+137
-2.9539231443429135e+138

simplify17.0ms

Iterations
IterNodes
done60
160
048

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.2s8727×body80valid
554.0ms2877×body80nan