Details

Time bar (total: 23.4s)

sample59.0ms

Algorithm
intervals
Results
24.0ms274×body80valid
8.0ms104×body80nan

simplify219.0ms

Counts
1 → 1
Iterations
IterNodes
done158
7158
6157
5150
4138
3110
262
136
020

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.6b

localize159.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
60×prod-diff
58×*-un-lft-identity
56×add-sqr-sqrt
50×add-cube-cbrt
37×sqrt-prod
26×distribute-rgt-neg-in
24×distribute-lft-neg-in
12×add-log-exp
10×fma-def fma-neg
neg-mul-1
pow1
expm1-log1p-u add-cbrt-cube sqrt-div add-exp-log log1p-expm1-u
flip3-- flip--
neg-sub0 rem-sqrt-square sum-log 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 → 151
Calls
4 calls:
31.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
25.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
17.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
14.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series457.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
114.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
100.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
117.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify3.8s

Counts
163 → 163
Iterations
IterNodes
done5000
34518
21209
1431
0179

prune1.4s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.0b

localize202.0ms

Local error

Found 4 expressions with local error:

15.2b
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))))))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
sqrt-div
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip--
fma-udef
Counts
4 → 61
Calls
4 calls:
0.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series487.0ms

Counts
4 → 12
Calls
4 calls:
203.0ms
(fma (* (cbrt (- b)) (cbrt (- b))) (cbrt (- b)) (- (* (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4.0 a) c)))))))
91.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
99.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
93.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.2s

Counts
73 → 73
Iterations
IterNodes
done5000
32002
2534
1182
076

prune912.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.0b

localize200.0ms

Local error

Found 4 expressions with local error:

1.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
13×add-sqr-sqrt
10×fma-def add-cube-cbrt
sqrt-prod
add-log-exp
pow1
sqrt-div
expm1-log1p-u distribute-rgt-neg-in add-cbrt-cube add-exp-log log1p-expm1-u
distribute-lft-neg-in rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip--
sum-log distribute-lft-out
neg-sub0 +-commutative neg-mul-1 flip3-+ neg-log associate-+l- flip-+
Counts
4 → 78
Calls
4 calls:
38.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series466.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
124.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
119.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
123.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify4.1s

Counts
90 → 90
Iterations
IterNodes
done5001
32991
2749
1233
087

prune1.0s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.0b

localize157.0ms

Local error

Found 4 expressions with local error:

1.4b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
2.0b
(/ (* 2.0 c) (- (- b) (- b (* (/ a b) (* 2.0 c)))))
3.9b
(* (/ a b) (* 2.0 c))
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
29×*-un-lft-identity
22×add-sqr-sqrt
21×add-cbrt-cube add-exp-log
17×add-cube-cbrt
15×times-frac
13×associate-*l*
10×pow1 fma-def
add-log-exp
prod-exp cbrt-unprod
associate-/r* distribute-rgt-neg-in
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u distribute-lft-out--
distribute-lft-neg-in pow-prod-down sqrt-prod
sum-log flip3-- sqrt-div associate-/r/ div-inv flip-- distribute-lft-out difference-of-squares
neg-sub0 +-commutative rem-sqrt-square clear-num neg-mul-1 frac-2neg sqrt-pow1 flip3-+ pow1/2 associate-*r* neg-log associate-*l/ *-commutative associate-+l- flip-+ associate-/l*
Counts
4 → 110
Calls
4 calls:
20.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
41.0ms
(/ (* 2.0 c) (- (- b) (- b (* (/ a b) (* 2.0 c)))))
36.0ms
(* (/ a b) (* 2.0 c))
13.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series548.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
270.0ms
(/ (* 2.0 c) (- (- b) (- b (* (/ a b) (* 2.0 c)))))
42.0ms
(* (/ a b) (* 2.0 c))
114.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.2s

Counts
122 → 122
Iterations
IterNodes
done5001
22105
1573
0206

prune936.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.0b

regimes616.0ms

Accuracy

89.7% (1.5b remaining)

Error of 7.1b against oracle of 5.6b and baseline of 19.9b

bsearch394.0ms

Steps
ItersRangePoint
8
5.631099529881209e+40
2.2779562270647888e+45
2.2352971002606818e+45
10
-8.897020078895062e+156
-1.101416214509623e+146
-8.035809894237901e+152

simplify50.0ms

Iterations
IterNodes
done77
277
175
057

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.6s8684×body80valid
330.0ms2885×body80nan