Details

Time bar (total: 23.7s)

sample162.0ms

Algorithm
intervals
Results
59.0ms174×body80valid
12.0ms30×body2560valid
8.0ms28×body1280valid
7.0ms97×body80nan
5.0ms23×body640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify59.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
010283
119283
233283
346283
449283
done49283

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize65.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.6b
(- (* b_2 b_2) (* a c))
2.2b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite203.0ms

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:
112.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
13.0ms
(- (* b_2 b_2) (* a c))
45.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
20.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series359.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
37.0ms
(- (* b_2 b_2) (* a c))
79.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
108.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.7s

Counts
183 → 183
Iterations

Useful iterations: done (2.6s)

IterNodesCost
024492638
157482163
2151374224
done500162934

prune854.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* b_2 b_2) (* a c))
13.7b
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
12×*-un-lft-identity add-cube-cbrt
11×fma-neg prod-diff
10×add-log-exp
distribute-lft-neg-in pow1 distribute-rgt-neg-in sqrt-prod
expm1-log1p-u flip3-- add-cbrt-cube sqrt-div add-exp-log log1p-expm1-u flip--
diff-log
rem-sqrt-square neg-mul-1 sub-neg sqrt-pow1 pow1/2
associate--l- neg-sub0 neg-log difference-of-squares
Counts
4 → 87
Calls
4 calls:
7.0ms
(- (* b_2 b_2) (* a c))
22.0ms
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
18.0ms
(sqrt (- (* b_2 b_2) (* a c)))
17.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series339.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (* b_2 b_2) (* a c))
92.0ms
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
99.0ms
(sqrt (- (* b_2 b_2) (* a c)))
103.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify4.0s

Counts
99 → 99
Iterations

Useful iterations: done (4.0s)

IterNodesCost
012834548
130427190
286426651
3282526341
done500025996

prune621.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.6b

localize24.0ms

Local error

Found 4 expressions with local error:

0.9b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
4.5b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
11.2b
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite303.0ms

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:
46.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
144.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
94.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
10.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series763.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
235.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
339.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
84.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.5s

Counts
231 → 231
Iterations

Useful iterations: done (3.5s)

IterNodesCost
0340123759
1851107125
22480102659
done5012102584

prune1.2s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.6b

localize33.0ms

Local error

Found 4 expressions with local error:

11.1b
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2)))
15.7b
(fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))
23.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
times-frac
pow1 add-cbrt-cube add-exp-log sqrt-prod
expm1-log1p-u sqrt-div log1p-expm1-u add-log-exp
associate-/r* associate-/l*
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip-- associate-/l/
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ fma-udef div-inv
Counts
4 → 75
Calls
4 calls:
15.0ms
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2)))
0.0ms
(fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2))
9.0ms
(sqrt (- (* b_2 b_2) (* a c)))
16.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series950.0ms

Counts
4 → 12
Calls
4 calls:
601.0ms
(/ (+ 0 (* a c)) (fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2)))
160.0ms
(fma (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (- b_2))
94.0ms
(sqrt (- (* b_2 b_2) (* a c)))
95.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.5s

Counts
87 → 87
Iterations

Useful iterations: done (3.5s)

IterNodesCost
015634690
137327811
2105925605
3387025246
done500125131

prune579.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 5.6b

regimes479.0ms

Accuracy

87.2% (3.5b remaining)

Error of 9.2b against oracle of 5.8b and baseline of 32.7b

bsearch231.0ms

Steps
ItersRangePoint
10
7.868349732386487e+96
4.727011775790926e+114
1.6738516635749796e+107
6
-1.8486478600700203e-204
-1.2771142337683854e-205
-1.6070748188691203e-204
9
-1.5616592422619596e-10
-4.8623869860036984e-17
-5.2605709473303605e-14

simplify31.0ms

Iterations

Useful iterations: 1 (18.0ms)

IterNodesCost
0341150
1401149
2451149
done451149

end0.0ms

sample2.6s

Algorithm
intervals
Results
898.0ms5866×body80valid
466.0ms1040×body2560valid
331.0ms916×body1280valid
232.0ms2929×body80nan
139.0ms462×body640valid
96.0ms110×body5120valid
37.0ms220×body320valid
13.0ms113×body160valid