Details

Time bar (total: 20.1s)

sample156.0ms

Algorithm
intervals
Results
15.0ms44×body2560valid
11.0ms167×body80valid
9.0ms32×body1280valid
7.0ms100×body80nan
3.0ms14×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify35.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize15.0ms

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))))
1.0b
(- (* b_2 b_2) (* a c))
25.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt times-frac
10×distribute-lft-out add-log-exp
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in associate-/l*
associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp neg-log clear-num div-inv
Counts
4 → 80
Calls
4 calls:
78.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
59.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
13.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series783.0ms

Counts
4 → 12
Calls
4 calls:
290.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
359.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
43.0ms
(- (* b_2 b_2) (* a c))
89.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.2s

Counts
92 → 92
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01511534
13771440
215471268
done50001260

prune369.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.6b

localize26.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b_2 b_2) (* a c))
3.3b
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
11.3b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
25.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite244.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
154×add-sqr-sqrt
153×*-un-lft-identity
89×add-cube-cbrt
32×distribute-lft-out-- difference-of-squares
30×associate-/l*
19×sqrt-prod
16×distribute-rgt-neg-in
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 → 200
Calls
4 calls:
11.0ms
(- (* b_2 b_2) (* a c))
126.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
83.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
11.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series631.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (* b_2 b_2) (* a c))
229.0ms
(/ (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) a)
243.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
96.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.8s

Counts
212 → 212
Iterations

Useful iterations: done (2.8s)

IterNodesCost
03016227
17755392
243005196
done50005192

prune833.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.6b

localize19.0ms

Local error

Found 4 expressions with local error:

8.4b
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
10.4b
(/ (+ 0 (* a c)) (- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))))))
25.3b
(sqrt (- (* b_2 b_2) (* a c)))
25.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
12×times-frac
add-log-exp
pow1 add-exp-log sqrt-prod add-cbrt-cube
difference-of-squares
flip3-- sqrt-div associate-/r* flip--
associate-/l*
rem-sqrt-square sqrt-pow1 pow1/2 diff-log associate-/r/ associate-/l/
cbrt-undiv associate--l- neg-sub0 sub-neg frac-2neg flip3-+ div-exp neg-log clear-num flip-+ div-inv
Counts
4 → 80
Calls
4 calls:
13.0ms
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
37.0ms
(/ (+ 0 (* a c)) (- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))))))
9.0ms
(sqrt (- (* b_2 b_2) (* a c)))
10.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series562.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c))))))
273.0ms
(/ (+ 0 (* a c)) (- (- b_2) (* (sqrt (sqrt (- (* b_2 b_2) (* a c)))) (sqrt (sqrt (- (* b_2 b_2) (* a c)))))))
101.0ms
(sqrt (- (* b_2 b_2) (* a c)))
85.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.7s

Counts
92 → 92
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01572560
14051585
220751477
done50001455

prune636.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.6b

localize31.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b_2 b_2) (* a c))
3.4b
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
11.3b
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
25.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite308.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
65×*-un-lft-identity
58×times-frac
35×add-cube-cbrt
28×add-exp-log
27×associate-*l*
18×add-cbrt-cube
14×distribute-lft-out-- difference-of-squares
13×associate-*r*
10×sqrt-prod
div-exp
prod-exp
pow1 distribute-rgt-neg-in associate-/r*
add-log-exp unswap-sqr
cbrt-undiv
flip3-- associate-/r/ flip-- cbrt-unprod
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 → 145
Calls
4 calls:
9.0ms
(- (* b_2 b_2) (* a c))
170.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
103.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
19.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series659.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (* b_2 b_2) (* a c))
219.0ms
(* (/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))) (/ 1 a))
291.0ms
(/ (+ 0 (* a c)) (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))))
89.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify4.2s

Counts
157 → 157
Iterations

Useful iterations: 2 (997.0ms)

IterNodesCost
02473706
17393169
249782833
done50022833

prune558.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.6b

regimes376.0ms

Accuracy

88.1% (3.2b remaining)

Error of 8.8b against oracle of 5.6b and baseline of 32.2b

bsearch246.0ms

Steps
ItersRangePoint
7
517946.10598021303
17102963.46615162
811154.206078971
11
6.169740529460457e-151
4.897960687835475e-129
1.8822806382193986e-149
8
-1.471055469501053e+100
-2.16094220789435e+96
-1.8069356592732734e+98

simplify14.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
03461
14159
24259
done4259

end0.0ms

sample3.4s

Algorithm
intervals
Results
757.0ms2902×body80nan
530.0ms5719×body80valid
499.0ms224×body320valid
461.0ms1131×body2560valid
436.0ms936×body1280valid
135.0ms446×body640valid
57.0ms111×body5120valid
13.0ms110×body160valid