Details

Time bar (total: 6.5s)

sample36.0ms

Algorithm
intervals
Results
8.0ms40×body2560valid
7.0ms194×body80valid
5.0ms28×body1280valid
2.0ms76×body80nan
1.0ms10×body640valid
0.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify50.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12217
24216
38316
410216
511016
done11016

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.4b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
24.8b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×pow1
add-sqr-sqrt
add-cube-cbrt
add-log-exp
times-frac associate-/l*
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u distribute-lft-out
associate-*r* pow-prod-down sqrt-prod
cbrt-undiv flip3-- distribute-rgt-neg-in sqrt-div div-exp flip-- associate-/l/
neg-sub0 associate-+l- sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log div-sub associate-*l* prod-diff clear-num associate-/r* *-commutative flip-+ div-inv
Counts
4 → 83
Calls
4 calls:
35.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
6.0ms
(* (* 3.0 a) c)
3.0ms
(- (* b b) (* (* 3.0 a) c))
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series243.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
19.0ms
(* (* 3.0 a) c)
47.0ms
(- (* b b) (* (* 3.0 a) c))
71.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify638.0ms

Counts
95 → 95
Iterations

Useful iterations: done (635.0ms)

IterNodesCost
01681499
14411413
218521207
done50001206

prune258.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.8b

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
0.4b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
24.8b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
19×prod-diff
16×sqrt-prod
10×pow1
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
expm1-log1p-u log1p-expm1-u
flip3-- associate-*r* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 94
Calls
4 calls:
25.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
6.0ms
(* (* 3.0 a) c)
3.0ms
(- (* b b) (* (* 3.0 a) c))
5.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series209.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
19.0ms
(* (* 3.0 a) c)
46.0ms
(- (* b b) (* (* 3.0 a) c))
67.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify639.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (124.0ms)

IterNodesCost
01611863
13831562
215141315
done50001315

prune242.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.7b

localize11.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (* 3.0 a) (- (sqrt (- (* b b) (* (* 3.0 a) c))) b))
0.4b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
24.8b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
14×add-exp-log add-cbrt-cube
12×*-un-lft-identity
10×pow1
add-cube-cbrt
times-frac associate-/r* add-log-exp
sqrt-prod
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u difference-of-squares
flip3-- associate-*r* pow-prod-down flip--
cbrt-undiv sqrt-div div-exp associate-/r/ distribute-lft-out--
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log associate-*l* prod-diff clear-num *-commutative div-inv associate-/l*
Counts
4 → 84
Calls
4 calls:
21.0ms
(/ (* 3.0 a) (- (sqrt (- (* b b) (* (* 3.0 a) c))) b))
7.0ms
(* (* 3.0 a) c)
3.0ms
(- (* b b) (* (* 3.0 a) c))
7.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series324.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(/ (* 3.0 a) (- (sqrt (- (* b b) (* (* 3.0 a) c))) b))
19.0ms
(* (* 3.0 a) c)
43.0ms
(- (* b b) (* (* 3.0 a) c))
69.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify646.0ms

Counts
96 → 96
Iterations

Useful iterations: 2 (128.0ms)

IterNodesCost
01611483
13981385
217511231
done50001231

prune249.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 5.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
0.4b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
24.8b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
19×prod-diff
16×sqrt-prod
10×pow1
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
expm1-log1p-u log1p-expm1-u
flip3-- associate-*r* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 94
Calls
4 calls:
24.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
7.0ms
(* (* 3.0 a) c)
3.0ms
(- (* b b) (* (* 3.0 a) c))
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series211.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
19.0ms
(* (* 3.0 a) c)
47.0ms
(- (* b b) (* (* 3.0 a) c))
67.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify633.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (122.0ms)

IterNodesCost
01611863
13831562
215141315
done50001315

prune221.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 5.7b

regimes451.0ms

Accuracy

82.8% (4.9b remaining)

Error of 10.7b against oracle of 5.8b and baseline of 34.3b

bsearch117.0ms

Steps
ItersRangePoint
8
10920358539895.18
4.2009936632527795e+17
11181767625882.13
11
-1.829086240692416e+154
-2.187052964502477e+134
-8.555281377770497e+140

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02842
13542
done3542

end0.0ms

sample1.1s

Algorithm
intervals
Results
234.0ms1105×body2560valid
215.0ms5867×body80valid
154.0ms909×body1280valid
94.0ms2861×body80nan
57.0ms422×body640valid
27.0ms96×body5120valid
21.0ms214×body320valid
8.0ms119×body160valid