Details

Time bar (total: 15.8s)

sample61.0ms

Algorithm
intervals
Results
11.0ms192×body80valid
8.0ms27×body2560valid
6.0ms16×body320valid
6.0ms23×body1280valid
6.0ms105×body80nan
2.0ms12×body640valid
1.0msbody5120valid
0.0msbody160valid

simplify166.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01417
12817
26417
311417
414117
515117
615517
done15517

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.2b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.3b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
89.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
29.0ms
(- (* b b) (* 4.0 (* a c)))
39.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series448.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
69.0ms
(- (* b b) (* 4.0 (* a c)))
104.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
115.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify982.0ms

Counts
89 → 89
Iterations

Useful iterations: done (978.0ms)

IterNodesCost
01571750
14181650
216441474
done50001466

prune482.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.2b

localize24.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
3.3b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
9.6b
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
21.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite360.0ms

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:
65.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
174.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
80.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
27.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series734.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
244.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)) (* 2.0 a))
280.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))
101.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.3s

Counts
153 → 153
Iterations

Useful iterations: 2 (692.0ms)

IterNodesCost
02504579
16494063
236203761
done50013761

prune951.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.1b

localize53.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
3.3b
(/ (* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
9.6b
(* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
21.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite381.0ms

Algorithm
rewrite-expression-head
Rules
48×add-exp-log
40×add-sqr-sqrt
30×add-cbrt-cube
25×*-un-lft-identity
24×associate-*r*
21×times-frac
17×prod-exp
16×add-cube-cbrt div-exp
cbrt-undiv cbrt-unprod
difference-of-squares
pow1 sqrt-prod
associate-/l/ add-log-exp
frac-times flip3-+ associate-*l/ flip-+ distribute-lft-out--
rec-exp flip3-- 1-exp associate-*l* flip-- unswap-sqr
sqrt-div associate-*r/ associate-/r/ un-div-inv div-inv
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log pow-prod-down clear-num associate-/r* *-commutative associate-/l*
Counts
4 → 116
Calls
4 calls:
65.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
67.0ms
(/ (* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
221.0ms
(* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
19.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series800.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
268.0ms
(/ (* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b))) (* 2.0 a))
307.0ms
(* (+ 0 (* 4.0 (* a c))) (/ 1 (- (sqrt (- (* b b) (* 4.0 (* a c)))) b)))
126.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify525.0ms

Counts
128 → 128
Iterations

Useful iterations: done (520.0ms)

IterNodesCost
02433392
17272796
done50002378

prune787.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.3b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.2b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 neg-log clear-num cbrt-unprod inv-pow
Counts
4 → 125
Calls
4 calls:
94.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
10.0ms
(- (* b b) (* 4.0 (* a c)))
45.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
10.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series462.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(/ 1 (/ (* 2.0 a) (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
69.0ms
(- (* b b) (* 4.0 (* a c)))
103.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
111.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.4s

Counts
137 → 137
Iterations

Useful iterations: 2 (472.0ms)

IterNodesCost
02263421
15883066
225932852
done50012852

prune429.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 6.1b

regimes421.0ms

Accuracy

85.4% (3.9b remaining)

Error of 9.1b against oracle of 5.2b and baseline of 31.9b

bsearch196.0ms

Steps
ItersRangePoint
9
9.357224410271438e+98
8.450543925883448e+104
5.991199458469861e+103
7
-4.3103989639009063e-82
-2.5085206973204917e-83
-2.534983011264385e-83
3
-1.713609749393423e-29
-1.2239049760790121e-29
-1.6806111715441095e-29

simplify7.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
03769
14467
24567
done4567

end0.0ms

sample3.5s

Algorithm
intervals
Results
958.0ms1054×body2560valid
937.0ms5897×body80valid
364.0ms855×body1280valid
219.0ms477×body640valid
207.0ms2885×body80nan
144.0ms112×body5120valid
68.0ms219×body320valid
21.0ms115×body160valid