Details

Time bar (total: 7.1s)

sample81.0ms

Algorithm
intervals
Results
19.0ms185×body80valid
15.0ms30×body2560valid
10.0ms25×body1280valid
9.0ms99×body80nan
8.0ms20×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify12.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0249
1459
2799
3979
41059
51059

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.2b
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
25.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
35.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
3.0ms
(- (* b b) (* 4.0 (* a c)))
14.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series295.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
44.0ms
(- (* b b) (* 4.0 (* a c)))
77.0ms
(+ (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
70.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify44.0ms

Algorithm
egg-herbie
Counts
82 → 82
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0403779
11514685
25002674

prune229.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.7b

localize14.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (* b b) (* 4.0 (* a c)))
3.3b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
11.2b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
25.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
80×add-sqr-sqrt
79×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
20×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
13×sqrt-prod
10×distribute-rgt-neg-in
associate-/r*
cbrt-undiv div-exp
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 148
Calls
4 calls:
3.0ms
(- (* b b) (* 4.0 (* a c)))
46.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
27.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series437.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(- (* b b) (* 4.0 (* a c)))
147.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))) (* 2.0 a))
176.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))))
71.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify100.0ms

Algorithm
egg-herbie
Counts
160 → 160
Iterations

Useful iterations: 2 (79.0ms)

IterNodesCost
06282579
129542333
250012320

prune406.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.6b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(/ (/ 1 1) (* (/ (* 2.0 a) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.8b
(- (* b b) (* 4.0 (* a c)))
14.6b
(/ (* 2.0 a) (* 4.0 (* a c)))
25.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
283×add-exp-log
136×div-exp
121×prod-exp
109×add-cbrt-cube
42×cbrt-undiv
41×cbrt-unprod
40×1-exp
32×times-frac
20×add-sqr-sqrt
19×add-cube-cbrt *-un-lft-identity
16×rec-exp
14×associate-/l*
add-log-exp
pow1 associate-/r/
flip3-- flip-- div-inv
sqrt-prod
frac-times frac-2neg sqrt-div associate-*r/ clear-num associate-/r*
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-*l/ associate-/l/
Counts
4 → 167
Calls
4 calls:
40.0ms
(/ (/ 1 1) (* (/ (* 2.0 a) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
3.0ms
(- (* b b) (* 4.0 (* a c)))
7.0ms
(/ (* 2.0 a) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series269.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (/ 1 1) (* (/ (* 2.0 a) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
46.0ms
(- (* b b) (* 4.0 (* a c)))
11.0ms
(/ (* 2.0 a) (* 4.0 (* a c)))
71.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify47.0ms

Algorithm
egg-herbie
Counts
179 → 179
Iterations

Useful iterations: 1 (23.0ms)

IterNodesCost
010712473
150021930

prune264.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.6b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
0.2b
(/ (/ 1 (/ 2.0 4.0)) (/ 1 c))
0.8b
(- (* b b) (* 4.0 (* a c)))
25.0b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
1901×times-frac
815×add-sqr-sqrt
814×*-un-lft-identity
810×add-cube-cbrt
102×div-inv
87×add-exp-log
70×div-exp
44×associate-/l*
25×add-cbrt-cube
15×cbrt-undiv rec-exp 1-exp associate-/r/
13×associate-/r*
10×add-log-exp
pow1
sqrt-prod
flip3-- diff-log flip--
sub-neg sqrt-div distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 pow1/2 neg-log clear-num associate-/l/
Counts
4 → 720
Calls
4 calls:
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
29.0ms
(/ (/ 1 (/ 2.0 4.0)) (/ 1 c))
3.0ms
(- (* b b) (* 4.0 (* a c)))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series209.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
18.0ms
(/ (/ 1 (/ 2.0 4.0)) (/ 1 c))
44.0ms
(- (* b b) (* 4.0 (* a c)))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify151.0ms

Algorithm
egg-herbie
Counts
732 → 732
Iterations

Useful iterations: 1 (64.0ms)

IterNodesCost
039579260
150018107

prune1.4s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.6b

regimes180.0ms

Accuracy

95.8% (1.0b remaining)

Error of 6.5b against oracle of 5.5b and baseline of 29.4b

bsearch219.0ms

Steps
ItersRangePoint
7
6.714891876596302e+121
1.686395921989292e+123
2.1125387673008883e+122
10
-5.399505147647774e-194
-1.4984247517127078e-204
-3.27314384198807e-203
4
-1.078360482931843e+145
-7.501243017467935e+144
-7.603816824088264e+144

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04735
14735

end0.0ms

sample2.4s

Algorithm
intervals
Results
623.0ms5894×body80valid
536.0ms1083×body2560valid
369.0ms896×body1280valid
288.0ms2938×body80nan
144.0ms438×body640valid
67.0ms117×body5120valid
57.0ms229×body320valid
18.0ms100×body160valid