Details

Time bar (total: 17.8s)

sample173.0ms

Algorithm
intervals
Results
19.0ms187×body80valid
17.0ms36×body2560valid
13.0ms30×body1280valid
6.0ms79×body80nan
3.0ms10×body640valid
3.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify99.0ms

Counts
1 → 1
Iterations
IterNodes
done49
449
346
233
119
010

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.9b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.4b
(- (* b_2 b_2) (* a c))
0.9b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
79×add-sqr-sqrt
78×*-un-lft-identity
61×prod-diff
58×add-cube-cbrt
38×sqrt-prod
26×distribute-rgt-neg-in
21×distribute-lft-neg-in times-frac
11×fma-neg
10×distribute-lft-out-- add-log-exp difference-of-squares
neg-mul-1 associate-/l*
add-cbrt-cube add-exp-log
pow1
expm1-log1p-u flip3-- log1p-expm1-u flip--
associate-/r* diff-log
sub-neg sqrt-div associate-/l/
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log div-inv
Counts
4 → 171
Calls
4 calls:
78.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
7.0ms
(- (* b_2 b_2) (* a c))
53.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
20.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series354.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
45.0ms
(- (* b_2 b_2) (* a c))
97.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
104.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.5s

Counts
183 → 183
Iterations
IterNodes
done5000
22152
1583
0244

prune663.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 4.9b

localize26.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
0.4b
(- (* b_2 b_2) (* a c))
0.9b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
171×add-sqr-sqrt
170×*-un-lft-identity
165×times-frac
118×add-cube-cbrt
61×prod-diff
46×sqrt-prod
34×distribute-rgt-neg-in
27×associate-/r*
26×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
15×add-exp-log
11×fma-neg
10×add-log-exp
add-cbrt-cube associate-/r/
neg-mul-1 flip3-- div-exp flip--
pow1
div-inv
expm1-log1p-u log1p-expm1-u
cbrt-undiv diff-log associate-/l*
rec-exp sub-neg sqrt-div 1-exp
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log pow-flip inv-pow
Counts
4 → 257
Calls
4 calls:
78.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
12.0ms
(- (* b_2 b_2) (* a c))
45.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
17.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series360.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
37.0ms
(- (* b_2 b_2) (* a c))
91.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
79.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.8s

Counts
269 → 269
Iterations
IterNodes
done5000
24146
1850
0351

prune1.0s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.8b

localize41.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt a)
0.5b
(* (cbrt a) (cbrt a))
0.9b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
60×prod-diff
59×*-un-lft-identity
55×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
19×cbrt-prod
12×pow1
10×fma-neg
add-log-exp
neg-mul-1 pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u unswap-sqr
flip3-- sqrt-div diff-log pow-prod-down pow-sqr pow-prod-up flip-- distribute-lft-out-- difference-of-squares
associate--l- pow2 neg-sub0 rem-sqrt-square sub-neg sqrt-pow1 pow-plus pow1/2 neg-log prod-exp *-commutative cbrt-unprod
Counts
4 → 162
Calls
4 calls:
1.0ms
(cbrt a)
14.0ms
(* (cbrt a) (cbrt a))
37.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
17.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series838.0ms

Counts
4 → 12
Calls
4 calls:
281.0ms
(cbrt a)
358.0ms
(* (cbrt a) (cbrt a))
108.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
90.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.7s

Counts
174 → 174
Iterations
IterNodes
done5000
22273
1526
0222

prune683.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 4.8b

localize26.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.0b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
9.1b
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite476.0ms

Algorithm
rewrite-expression-head
Rules
164×add-sqr-sqrt
162×times-frac
129×*-un-lft-identity
95×add-cube-cbrt
34×difference-of-squares
32×sqrt-prod
27×associate-/l*
18×prod-diff
17×distribute-lft-out--
11×add-cbrt-cube add-exp-log
10×associate-/r/
associate-/r*
flip3-- flip--
fma-neg div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp log1p-expm1-u
associate-/l/
clear-num frac-2neg sqrt-div
rem-sqrt-square sub-neg sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 219
Calls
4 calls:
51.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
311.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
78.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
18.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series705.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
226.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
272.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
97.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
231 → 231
Iterations
IterNodes
done5000
24923
1879
0340

prune1.2s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 4.8b

regimes367.0ms

Accuracy

93.1% (1.7b remaining)

Error of 7.5b against oracle of 5.8b and baseline of 30.5b

bsearch276.0ms

Steps
ItersRangePoint
9
3.768382185355077e+69
1.107955803311012e+78
1.082532154480776e+78
9
-2.926605843992264e-247
-1.2769153513311889e-254
-1.548986092369567e-252
9
-3.7162343696193017e+68
-4.7924972520805885e+61
-1.9495061528188055e+68

simplify8.0ms

Iterations
IterNodes
done41
141
034

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.0s5896×body80valid
491.0ms1048×body2560valid
300.0ms877×body1280valid
156.0ms2811×body80nan
156.0ms121×body5120valid
132.0ms229×body320valid
107.0ms446×body640valid
12.0ms105×body160valid