Details

Time bar (total: 19.6s)

sample103.0ms

Algorithm
intervals
Results
24.0ms40×body2560valid
20.0ms186×body80valid
14.0ms28×body1280valid
9.0ms91×body80nan
7.0msbody160valid
4.0ms10×body640valid
2.0msbody320valid
2.0msbody5120valid

simplify126.0ms

Counts
1 → 1
Iterations
IterNodes
8105
7105
6104
5102
494
377
244
125
014

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
1.3b
(fma b b (* (* a -4) c))
1.3b
(- (sqrt (fma b b (* (* a -4) c))) b)
21.9b
(sqrt (fma b b (* (* a -4) c)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
32.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
0.0ms
(fma b b (* (* a -4) c))
16.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series531.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
84.0ms
(fma b b (* (* a -4) c))
143.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
126.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
32689
2950
1405
0180

prune1.4s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.8b

localize22.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (sqrt (fma c (* -4 a) (* b b))) b) a)
1.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
21.9b
(sqrt (fma c (* -4 a) (* b b)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
39×*-un-lft-identity
29×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
fma-neg associate-/l*
add-cbrt-cube add-exp-log distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u associate-/r* insert-posit16 log1p-expm1-u
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp div-inv
Counts
3 → 103
Calls
3 calls:
17.0ms
(/ (- (sqrt (fma c (* -4 a) (* b b))) b) a)
9.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
2.0ms
(sqrt (fma c (* -4 a) (* b b)))

series343.0ms

Counts
3 → 9
Calls
3 calls:
99.0ms
(/ (- (sqrt (fma c (* -4 a) (* b b))) b) a)
130.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
114.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify2.1s

Counts
112 → 112
Iterations
IterNodes
44407
31733
2645
1295
0144

prune1.1s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.8b

localize24.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (- (sqrt (fma c (* -4 a) (* b b))) b) (/ 1 a))
1.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
21.9b
(sqrt (fma c (* -4 a) (* b b)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
31×*-un-lft-identity
26×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r*
12×add-exp-log
11×times-frac
add-cbrt-cube
pow1 fma-neg associate-*l*
add-log-exp
prod-exp difference-of-squares
expm1-log1p-u flip3-- insert-posit16 log1p-expm1-u flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Counts
3 → 104
Calls
3 calls:
36.0ms
(* (- (sqrt (fma c (* -4 a) (* b b))) b) (/ 1 a))
10.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series305.0ms

Counts
3 → 9
Calls
3 calls:
106.0ms
(* (- (sqrt (fma c (* -4 a) (* b b))) b) (/ 1 a))
104.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
95.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify2.0s

Counts
113 → 113
Iterations
IterNodes
32355
2984
1359
0163

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.7b

localize36.0ms

Local error

Found 4 expressions with local error:

1.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.3b
(- (sqrt (fma c (* -4 a) (* b b))) b)
21.9b
(sqrt (fma c (* -4 a) (* b b)))
21.9b
(sqrt (fma c (* -4 a) (* b b)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
38×*-un-lft-identity
36×prod-diff
34×add-cube-cbrt
32×sqrt-prod
12×fma-neg
add-log-exp
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log flip-- distribute-lft-out--
Counts
4 → 116
Calls
4 calls:
8.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
8.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series473.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
116.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
103.0ms
(sqrt (fma c (* -4 a) (* b b)))
125.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify1.1s

Counts
128 → 128
Iterations
IterNodes
42478
3903
2292
1153
085

prune1.7s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 4.7b

regimes393.0ms

Accuracy

84.7% (4.3b remaining)

Error of 9.8b against oracle of 5.4b and baseline of 33.7b

bsearch225.0ms

Steps
ItersRangePoint
8
6.256891986679925e-86
3.543466061308676e-83
4.6659701943749105e-84
8
-6.435448379097954e+123
-1.4863434806956936e+121
-4.694684309811035e+121

simplify5.0ms

Iterations
IterNodes
232
132
028

end0.0ms

sample4.7s

Algorithm
intervals
Results
1.4s1106×body2560valid
1.1s935×body1280valid
894.0ms5845×body80valid
525.0ms2919×body80nan
218.0ms453×body640valid
133.0ms111×body5120valid
79.0ms212×body320valid
55.0ms113×body160valid