Details

Time bar (total: 17.8s)

sample525.0ms

Algorithm
intervals
Results
91.0ms39×body2560valid
78.0ms166×body80valid
17.0ms36×body1280valid
9.0ms89×body80nan
7.0ms18×body640valid
3.0ms10×body320valid
3.0msbody5120valid
0.0msbody160valid

simplify115.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
01013
11813
23213
34113
44413
done4413

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
1.2b
(- (* b_2 b_2) (* a c))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite254.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
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 → 91
Calls
4 calls:
129.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
72.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.0ms
(- (* b_2 b_2) (* a c))
22.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series388.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
97.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
55.0ms
(- (* b_2 b_2) (* a c))
138.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify831.0ms

Counts
103 → 103
Iterations

Useful iterations: done (818.0ms)

IterNodesCost
01561821
13881727
215011611
done50001603

prune432.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.4b

localize18.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b_2 b_2) (* a c))
4.4b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
9.8b
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite231.0ms

Algorithm
rewrite-expression-head
Rules
162×times-frac
146×add-sqr-sqrt
113×*-un-lft-identity
81×add-cube-cbrt
32×difference-of-squares
27×associate-/l*
19×sqrt-prod
16×distribute-lft-out--
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
flip3-- flip--
div-inv add-log-exp
pow1
cbrt-undiv div-exp
associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 184
Calls
4 calls:
9.0ms
(- (* b_2 b_2) (* a c))
105.0ms
(/ (/ (+ 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))
13.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series651.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(- (* b_2 b_2) (* a c))
237.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
258.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
105.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.4s

Counts
196 → 196
Iterations

Useful iterations: 2 (801.0ms)

IterNodesCost
03025540
17704801
242364619
done50014619

prune739.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 4.4b

localize18.0ms

Local error

Found 4 expressions with local error:

6.6b
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
7.3b
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite262.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
64×add-sqr-sqrt
50×*-un-lft-identity
48×sqrt-prod
38×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/l*
14×sqrt-div
12×associate-/r* difference-of-squares
10×associate-/r/
cbrt-undiv flip3-- div-exp flip--
pow1 div-inv distribute-lft-out--
add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 prod-exp clear-num cbrt-unprod
associate-/l/
Counts
4 → 145
Calls
4 calls:
147.0ms
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
83.0ms
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
10.0ms
(sqrt (- (* b_2 b_2) (* a c)))
10.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series1.7s

Counts
4 → 12
Calls
4 calls:
734.0ms
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
735.0ms
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
98.0ms
(sqrt (- (* b_2 b_2) (* a c)))
109.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
157 → 157
Iterations

Useful iterations: 2 (696.0ms)

IterNodesCost
02603735
16703366
233313180
done50023180

prune665.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.4b

localize41.0ms

Local error

Found 4 expressions with local error:

6.6b
(/ (* (/ a (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))) (/ c (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))))) a)
22.6b
(sqrt (- (* b_2 b_2) (* a c)))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))
22.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite214.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log add-cbrt-cube
12×add-sqr-sqrt
cbrt-undiv add-cube-cbrt *-un-lft-identity div-exp sqrt-prod
pow1
sqrt-div
prod-exp cbrt-unprod add-log-exp
rem-sqrt-square flip3-- sqrt-pow1 times-frac pow1/2 associate-/r* flip-- associate-/l/
frac-times frac-2neg associate-*r/ associate-*l/ clear-num div-inv associate-/l*
Counts
4 → 75
Calls
4 calls:
149.0ms
(/ (* (/ a (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))) (/ c (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))))) a)
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))
23.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series801.0ms

Counts
4 → 12
Calls
4 calls:
544.0ms
(/ (* (/ a (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))) (/ c (sqrt (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))))) a)
84.0ms
(sqrt (- (* b_2 b_2) (* a c)))
92.0ms
(sqrt (- (* b_2 b_2) (* a c)))
80.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.5s

Counts
87 → 87
Iterations

Useful iterations: 2 (416.0ms)

IterNodesCost
01542093
14581919
226261543
done50011543

prune497.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 4.4b

regimes380.0ms

Accuracy

86.1% (3.7b remaining)

Error of 9.5b against oracle of 5.7b and baseline of 32.4b

bsearch251.0ms

Steps
ItersRangePoint
11
8.182113676652236e-12
2116652649.122401
2098867031.9345784
11
9.132164512921457e-291
8.018752023592085e-262
9.282718576312558e-291
8
-5.545092253462458e+82
-2.14594256023029e+80
-1.113821654949689e+81

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03886
14686
done4686

end0.0ms

sample2.9s

Algorithm
intervals
Results
933.0ms1015×body2560valid
451.0ms912×body1280valid
440.0ms5936×body80valid
255.0ms2930×body80nan
152.0ms438×body640valid
47.0ms100×body5120valid
42.0ms232×body320valid
18.0ms123×body160valid