Details

Time bar (total: 19.6s)

sample50.0ms

Algorithm
intervals
Results
10.0ms35×body2560valid
10.0ms188×body80valid
7.0ms28×body1280valid
4.0ms85×body80nan
3.0ms14×body640valid
2.0msbody5120valid
1.0ms10×body320valid
0.0msbody160valid

simplify159.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
373
241
122
012

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 32.7b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
0.8b
(- (* b b) (* (* 3 a) c))
1.6b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
21.2b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite204.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 94
Calls
4 calls:
140.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
18.0ms
(- (* b b) (* (* 3 a) c))
23.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
19.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series417.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
76.0ms
(- (* b b) (* (* 3 a) c))
88.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
111.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.3s

Counts
106 → 106
Iterations
IterNodes
done5001
21430
1442
0170

prune597.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 4.7b

localize27.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* 3 a))
0.8b
(- (* b b) (* (* 3 a) c))
1.6b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
21.2b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
15×add-exp-log
14×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube
pow1
expm1-log1p-u distribute-rgt-neg-in div-exp insert-posit16 log1p-expm1-u
distribute-lft-neg-in times-frac prod-exp sqrt-prod associate-/l*
cbrt-undiv rec-exp sum-log flip3-- sqrt-div 1-exp pow-flip flip-- distribute-lft-out
neg-sub0 +-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log prod-diff pow-prod-down neg-log associate-+l- cbrt-unprod flip-+ div-inv inv-pow
Counts
4 → 94
Calls
4 calls:
11.0ms
(/ 1 (* 3 a))
9.0ms
(- (* b b) (* (* 3 a) c))
32.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
12.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series361.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(/ 1 (* 3 a))
81.0ms
(- (* b b) (* (* 3 a) c))
141.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
106.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify3.0s

Counts
106 → 106
Iterations
IterNodes
done5000
34257
21121
1380
0155

prune628.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.7b

localize50.0ms

Local error

Found 4 expressions with local error:

0.2b
(* c (* -3 a))
1.0b
(fma b b (* c (* -3 a)))
1.6b
(- (sqrt (fma b b (* c (* -3 a)))) b)
21.2b
(sqrt (fma b b (* c (* -3 a))))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
18×prod-diff
16×sqrt-prod
10×pow1
add-cbrt-cube add-exp-log
fma-neg add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-*l* pow-prod-down prod-exp cbrt-unprod
difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log associate-*r* *-commutative fma-udef flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
39.0ms
(* c (* -3 a))
1.0ms
(fma b b (* c (* -3 a)))
24.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
4.0ms
(sqrt (fma b b (* c (* -3 a))))

series340.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(* c (* -3 a))
69.0ms
(fma b b (* c (* -3 a)))
121.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
116.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify3.0s

Counts
102 → 102
Iterations
IterNodes
done5000
32931
2835
1320
0144

prune543.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.6b

localize75.0ms

Local error

Found 4 expressions with local error:

1.0b
(fma b b (* c (* -3 a)))
4.1b
(* (/ 3 (/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))) a)
10.6b
(/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
21.2b
(sqrt (fma b b (* c (* -3 a))))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
105×times-frac
84×*-un-lft-identity
68×add-sqr-sqrt
59×associate-*l*
58×add-cube-cbrt
15×add-cbrt-cube add-exp-log
13×distribute-lft-out
associate-/r/
pow1
div-inv
expm1-log1p-u cbrt-undiv associate-/r* flip3-+ div-exp flip-+ insert-posit16 log1p-expm1-u add-log-exp
associate-*r* prod-exp sqrt-prod cbrt-unprod associate-/l* unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down associate-*l/ *-commutative fma-udef
Counts
4 → 147
Calls
4 calls:
0.0ms
(fma b b (* c (* -3 a)))
89.0ms
(* (/ 3 (/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))) a)
24.0ms
(/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
3.0ms
(sqrt (fma b b (* c (* -3 a))))

series713.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(fma b b (* c (* -3 a)))
253.0ms
(* (/ 3 (/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))) a)
262.0ms
(/ (fma c (* -3 a) 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
130.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify2.1s

Counts
159 → 159
Iterations
IterNodes
done5002
22193
1629
0261

prune1.1s

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 4.6b

regimes823.0ms

Accuracy

87.4% (3.4b remaining)

Error of 8.7b against oracle of 5.3b and baseline of 32.3b

bsearch226.0ms

Steps
ItersRangePoint
7
3.170449429657488e+21
2.218413533118306e+23
1.6037393836292316e+23
9
5.111551936031541e-102
3.986693767760393e-93
6.867273651179479e-102
1
-8.312461348155162e+140
-7.521461936906115e+140
-7.644215926145536e+140

simplify21.0ms

Iterations
IterNodes
done59
159
047

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.0s1082×body2560valid
763.0ms2987×body80nan
643.0ms5801×body80valid
470.0ms933×body1280valid
211.0ms490×body640valid
96.0ms107×body5120valid
52.0ms245×body320valid
18.0ms123×body160valid