Details

Time bar (total: 9.8s)

sample272.0ms

Algorithm
intervals
Results
8.0ms202×body80valid
5.0ms35×body1280valid
5.0ms27×body2560valid
2.0ms86×body80nan
1.0ms12×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify27.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01013
11913
23313
34513
44713
done4713

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.5b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.3b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
1.0b
(- (* b_2 b_2) (* a c))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite87.0ms

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-exp-log add-cbrt-cube
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 171
Calls
4 calls:
43.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
25.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(- (* b_2 b_2) (* a c))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series260.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
32.0ms
(- (* b_2 b_2) (* a c))
74.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify661.0ms

Counts
183 → 183
Iterations

Useful iterations: done (655.0ms)

IterNodesCost
02425993
15364313
214223549
done50013540

prune355.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.4b

localize12.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.7b
(/ (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
10.3b
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite114.0ms

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-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
flip3-- flip--
fma-neg div-inv add-log-exp
pow1
cbrt-undiv expm1-log1p-u div-exp log1p-expm1-u
associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 219
Calls
4 calls:
24.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
44.0ms
(/ (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
27.0ms
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series469.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
150.0ms
(/ (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
189.0ms
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.1s

Counts
231 → 231
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03427455
18236251
224805351
done50005349

prune595.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.8b
(* (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
10.3b
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
97×add-sqr-sqrt
65×*-un-lft-identity
52×times-frac
47×add-cube-cbrt
28×add-exp-log
24×associate-*l*
23×sqrt-prod
18×prod-diff add-cbrt-cube
16×difference-of-squares
13×associate-*r*
div-exp
prod-exp distribute-lft-out--
pow1
fma-neg associate-/r* add-log-exp unswap-sqr
cbrt-undiv
expm1-log1p-u flip3-- associate-/r/ flip-- cbrt-unprod log1p-expm1-u
div-inv associate-/l*
rec-exp sqrt-div 1-exp associate-/l/
frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 173
Calls
4 calls:
23.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
65.0ms
(* (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
28.0ms
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series475.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
155.0ms
(* (/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (/ 1 a))
187.0ms
(/ (+ (* a c) (* b_2 (- b_2 b_2))) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.0s

Counts
185 → 185
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02884937
17934056
222393228
done50013226

prune448.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.3b

localize11.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b_2 b_2) (* a c))
1.6b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
15.0b
(/ (fma a c 0) a)
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
29×*-un-lft-identity
27×add-cube-cbrt
19×prod-diff
16×sqrt-prod
times-frac
add-log-exp
fma-neg
add-exp-log add-cbrt-cube
pow1
expm1-log1p-u log1p-expm1-u
flip3-- associate-/r* flip-- associate-/l*
sub-neg sqrt-div diff-log difference-of-squares
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num div-inv distribute-lft-out--
Counts
4 → 103
Calls
4 calls:
3.0ms
(- (* b_2 b_2) (* a c))
23.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.0ms
(/ (fma a c 0) a)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series191.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* b_2 b_2) (* a c))
69.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
29.0ms
(/ (fma a c 0) a)
60.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
115 → 115
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01761788
13561513
29331264
335321188
done50011187

prune265.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

regimes155.0ms

Accuracy

96% (0.9b remaining)

Error of 6.7b against oracle of 5.7b and baseline of 28.8b

bsearch117.0ms

Steps
ItersRangePoint
8
2.1878188410446244e+107
3.8616146939177386e+111
2.8568501197790958e+109
9
2.1745589989703455e-245
7.342308417195682e-240
2.5402182456312607e-243
6
-2.0136180636941443e+142
-1.4127342237564056e+141
-2.61268387266151e+141

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02949
13549
done3549

end0.0ms

sample995.0ms

Algorithm
intervals
Results
211.0ms1110×body2560valid
196.0ms5789×body80valid
134.0ms885×body1280valid
87.0ms2997×body80nan
56.0ms449×body640valid
25.0ms256×body320valid
24.0ms102×body5120valid
8.0ms124×body160valid