Details

Time bar (total: 16.0s)

sample115.0ms

Algorithm
intervals
Results
25.0ms33×body1280valid
22.0ms37×body2560valid
18.0ms185×body80valid
8.0ms20×body640valid
7.0ms81×body80nan
1.0msbody320valid
0.0msbody160valid

simplify188.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26417
311417
413017
513717
614117
done14117

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 4.0 (* a c))
0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.7b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
20×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×pow1
add-cube-cbrt add-log-exp
times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
prod-exp cbrt-unprod
flip3-- distribute-rgt-neg-in associate-*l* pow-prod-down flip--
cbrt-undiv sqrt-div diff-log div-exp associate-/l/
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub associate-*r* neg-log clear-num associate-/r* *-commutative div-inv
Counts
4 → 83
Calls
4 calls:
19.0ms
(* 4.0 (* a c))
89.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
40.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series388.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* 4.0 (* a c))
140.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
101.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
110.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.5s

Counts
95 → 95
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01741684
14491578
214521410
done50001398

prune397.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.3b

localize39.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
3.1b
(/ (/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
9.8b
(/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite438.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
78×times-frac
58×*-un-lft-identity
36×add-cube-cbrt
27×associate-/l*
22×difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-lft-out--
cbrt-undiv div-exp associate-/r*
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 141
Calls
4 calls:
78.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
186.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
142.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
19.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series739.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
251.0ms
(/ (/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
250.0ms
(/ (+ 0 (* a (* 4.0 c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
132.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.3s

Counts
153 → 153
Iterations

Useful iterations: 2 (590.0ms)

IterNodesCost
02534579
16234087
222733753
done50003753

prune666.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize34.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite196.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
18×*-un-lft-identity
add-exp-log add-cbrt-cube
times-frac associate-/l* add-log-exp
add-cube-cbrt sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- distribute-rgt-neg-in flip--
cbrt-undiv sqrt-div diff-log div-exp associate-/l/
associate--l- neg-sub0 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
3 → 65
Calls
3 calls:
122.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
51.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
18.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series354.0ms

Counts
3 → 9
Calls
3 calls:
131.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
112.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
111.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.8s

Counts
74 → 74
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01491530
13881437
212551289
346451274
done50011274

prune197.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 5.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.2b
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
0.7b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
74×times-frac
58×add-sqr-sqrt
57×*-un-lft-identity
30×add-exp-log
29×add-cube-cbrt
20×associate-/r*
18×add-cbrt-cube
14×div-exp distribute-lft-out-- difference-of-squares
11×associate-/r/
10×sqrt-prod
add-log-exp
cbrt-undiv flip3-- distribute-rgt-neg-in flip--
pow1 div-inv
prod-exp associate-/l*
rec-exp 1-exp
frac-2neg sqrt-div diff-log clear-num cbrt-unprod
associate--l- neg-sub0 sub-neg rem-sqrt-square pow-flip sqrt-pow1 pow1/2 neg-log inv-pow
Counts
4 → 144
Calls
4 calls:
56.0ms
(/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
57.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
24.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series653.0ms

Counts
4 → 12
Calls
4 calls:
291.0ms
(/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
164.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))
94.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
104.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.1s

Counts
156 → 156
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02343968
15553591
216493245
done50003127

prune338.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.3b

regimes267.0ms

Accuracy

85.1% (3.9b remaining)

Error of 9.5b against oracle of 5.6b and baseline of 31.8b

bsearch351.0ms

Steps
ItersRangePoint
8
1.538525478595148e+72
6.402915924844171e+74
6.326287366549383e+74
9
-7.826064039423189e-132
-1.1138670077130767e-140
-5.358830408552925e-132
6
-3.4377365604695865e-95
-7.852755480555329e-96
-8.46693322491602e-96
7
-8.794280737794768e+42
-4.315177351158757e+40
-7.305451620439275e+42

simplify7.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
04278
15276
done5276

end0.0ms

sample3.6s

Algorithm
intervals
Results
973.0ms1054×body2560valid
723.0ms924×body1280valid
682.0ms5850×body80valid
275.0ms2933×body80nan
203.0ms502×body640valid
88.0ms110×body5120valid
41.0ms207×body320valid
15.0ms108×body160valid