Details

Time bar (total: 16.1s)

sample82.0ms

Algorithm
intervals
Results
21.0ms36×body2560valid
18.0ms187×body80valid
12.0ms25×body1280valid
8.0ms86×body80nan
7.0ms17×body640valid
2.0msbody320valid
1.0msbody160valid

simplify107.0ms

Counts
1 → 1
Iterations
IterNodes
8102
7102
6101
599
491
373
241
122
012

prune23.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.3b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3 a) c)
0.8b
(- (* b b) (* (* 3 a) c))
0.9b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
23.5b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
10×add-sqr-sqrt pow1 fma-def add-log-exp
add-cbrt-cube add-exp-log add-cube-cbrt
expm1-log1p-u distribute-rgt-neg-in insert-posit16 log1p-expm1-u
distribute-lft-neg-in associate-*r* pow-prod-down prod-exp sqrt-prod cbrt-unprod
sum-log flip3-- sqrt-div flip-- distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square neg-mul-1 sub-neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log associate-*l* prod-diff neg-log *-commutative associate-+l- flip-+
Counts
4 → 84
Calls
4 calls:
20.0ms
(* (* 3 a) c)
10.0ms
(- (* b b) (* (* 3 a) c))
14.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series285.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* (* 3 a) c)
78.0ms
(- (* b b) (* (* 3 a) c))
102.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
78.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify3.2s

Counts
96 → 96
Iterations
IterNodes
33711
21102
1350
0138

prune680.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 12.5b

localize47.0ms

Local error

Found 4 expressions with local error:

0.2b
(* -3 (* a c))
0.9b
(+ (- b) (sqrt (fma b b (* -3 (* a c)))))
1.0b
(fma b b (* -3 (* a c)))
23.5b
(sqrt (fma b b (* -3 (* a c))))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
10×add-sqr-sqrt pow1 fma-def
add-cbrt-cube add-exp-log add-cube-cbrt
add-log-exp
expm1-log1p-u distribute-rgt-neg-in insert-posit16 log1p-expm1-u
distribute-lft-neg-in associate-*l* pow-prod-down prod-exp sqrt-prod cbrt-unprod
sum-log distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square neg-mul-1 sqrt-pow1 flip3-+ pow1/2 associate-*r* neg-log *-commutative associate-+l- flip-+ fma-udef
Counts
4 → 76
Calls
4 calls:
13.0ms
(* -3 (* a c))
13.0ms
(+ (- b) (sqrt (fma b b (* -3 (* a c)))))
0.0ms
(fma b b (* -3 (* a c)))
2.0ms
(sqrt (fma b b (* -3 (* a c))))

series324.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* -3 (* a c))
115.0ms
(+ (- b) (sqrt (fma b b (* -3 (* a c)))))
56.0ms
(fma b b (* -3 (* a c)))
121.0ms
(sqrt (fma b b (* -3 (* a c))))

simplify779.0ms

Counts
88 → 88
Iterations
IterNodes
32300
2746
1269
0116

prune544.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 12.5b

localize46.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt -3) (* a c))
0.9b
(+ (- b) (sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))))
1.0b
(fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))
23.5b
(sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c)))))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
11×add-sqr-sqrt
10×pow1 fma-def add-cube-cbrt
add-exp-log
add-log-exp
add-cbrt-cube
associate-*l*
expm1-log1p-u distribute-rgt-neg-in insert-posit16 log1p-expm1-u
cbrt-prod distribute-lft-neg-in pow-prod-down prod-exp sqrt-prod cbrt-unprod
sum-log distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square neg-mul-1 sqrt-pow1 flip3-+ pow1/2 associate-*r* neg-log *-commutative associate-+l- flip-+ fma-udef
Counts
4 → 79
Calls
4 calls:
39.0ms
(* (cbrt -3) (* a c))
17.0ms
(+ (- b) (sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))))
0.0ms
(fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))
2.0ms
(sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c)))))

series618.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(* (cbrt -3) (* a c))
186.0ms
(+ (- b) (sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))))
159.0ms
(fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c))))
203.0ms
(sqrt (fma b b (* (* (cbrt -3) (cbrt -3)) (* (cbrt -3) (* a c)))))

simplify1.0s

Counts
91 → 91
Iterations
IterNodes
32314
2794
1280
0122

prune563.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 12.5b

localize57.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* (* 3 a) c))
11.4b
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 3 a) c)))) (sqrt (sqrt (- (* b b) (* (* 3 a) c))))))
23.5b
(sqrt (- (* b b) (* (* 3 a) c)))
23.5b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×fma-def add-log-exp
*-un-lft-identity add-cube-cbrt
pow1 sqrt-prod
expm1-log1p-u add-cbrt-cube sqrt-div add-exp-log insert-posit16 log1p-expm1-u
distribute-lft-neg-in distribute-rgt-neg-in flip3-- flip--
rem-sqrt-square sum-log sqrt-pow1 pow1/2
neg-sub0 +-commutative neg-mul-1 sub-neg flip3-+ fma-neg diff-log prod-diff neg-log associate-+l- flip-+
Counts
4 → 79
Calls
4 calls:
17.0ms
(- (* b b) (* (* 3 a) c))
25.0ms
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 3 a) c)))) (sqrt (sqrt (- (* b b) (* (* 3 a) c))))))
20.0ms
(sqrt (- (* b b) (* (* 3 a) c)))
19.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series400.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (* b b) (* (* 3 a) c))
119.0ms
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 3 a) c)))) (sqrt (sqrt (- (* b b) (* (* 3 a) c))))))
101.0ms
(sqrt (- (* b b) (* (* 3 a) c)))
101.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.6s

Counts
91 → 91
Iterations
IterNodes
32793
2883
1280
0109

prune523.0ms

Pruning

17 alts after pruning (14 fresh and 3 done)

Merged error: 12.5b

regimes641.0ms

Accuracy

85.5% (3.2b remaining)

Error of 14.1b against oracle of 10.9b and baseline of 32.9b

bsearch192.0ms

Steps
ItersRangePoint
8
5.833527798943191e-77
3.6732813120885656e-72
3.602826357305206e-72
9
-2.2464591800446616e+91
-3.153507839293123e+86
-1.3599228730895225e+90

simplify11.0ms

Iterations
IterNodes
236
136
030

end0.0ms

sample4.2s

Algorithm
intervals
Results
1.1s882×body1280valid
848.0ms1025×body2560valid
840.0ms5891×body80valid
532.0ms2952×body80nan
322.0ms462×body640valid
115.0ms238×body320valid
82.0ms96×body5120valid
24.0ms104×body160valid