Details

Time bar (total: 10.5s)

sample47.0ms

Algorithm
intervals
Results
11.0ms206×body80valid
6.0ms28×body2560valid
5.0ms28×body1280valid
4.0ms107×body80nan
2.0ms13×body640valid
1.0msbody5120valid
0.0msbody160valid
0.0msbody320valid

simplify64.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
01417
12417
24416
37816
49116
59916
done9916

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.5b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
1.0b
(- (* b b) (* (* 4.0 a) c))
1.2b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite145.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 72
Calls
4 calls:
81.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
8.0ms
(- (* b b) (* (* 4.0 a) c))
44.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series314.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) (* 2.0 a))
45.0ms
(- (* b b) (* (* 4.0 a) c))
84.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.1s

Counts
84 → 84
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01541592
13861488
212331332
346481324
done50021324

prune230.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
1.0b
(- (* b b) (* (* 4.0 a) c))
1.2b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
60×times-frac
47×add-sqr-sqrt
36×*-un-lft-identity
26×add-cube-cbrt
25×add-exp-log
13×add-cbrt-cube
12×div-exp associate-/r*
10×difference-of-squares
associate-/r/
sqrt-prod add-log-exp
flip3-- flip--
pow1
cbrt-undiv div-inv distribute-lft-out--
rec-exp 1-exp prod-exp associate-/l*
sub-neg sqrt-div diff-log
rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 clear-num cbrt-unprod inv-pow
Counts
4 → 118
Calls
4 calls:
59.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
8.0ms
(- (* b b) (* (* 4.0 a) c))
45.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series362.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
46.0ms
(- (* b b) (* (* 4.0 a) c))
86.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
76.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify843.0ms

Counts
130 → 130
Iterations

Useful iterations: done (839.0ms)

IterNodesCost
02203137
14972801
214612561
done50002481

prune268.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
1.0b
(- (* b b) (* (* 4.0 a) c))
1.2b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.3b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-exp-log add-cbrt-cube associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp clear-num div-inv
Counts
4 → 84
Calls
4 calls:
78.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
8.0ms
(- (* b b) (* (* 4.0 a) c))
45.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) a)
46.0ms
(- (* b b) (* (* 4.0 a) c))
87.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
78.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.9s

Counts
96 → 96
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01581888
13721774
210471658
333421650
done50001644

prune440.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.4b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)))
1.0b
(- (pow b 2) (* 4.0 (* a c)))
1.2b
(- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)
21.3b
(sqrt (- (pow b 2) (* 4.0 (* a c))))

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
60×times-frac
47×add-sqr-sqrt
36×*-un-lft-identity
26×add-cube-cbrt
25×add-exp-log
13×add-cbrt-cube
12×div-exp associate-/r*
10×difference-of-squares
associate-/r/
sqrt-prod add-log-exp
flip3-- flip--
pow1
cbrt-undiv div-inv distribute-lft-out--
rec-exp 1-exp prod-exp associate-/l*
sub-neg sqrt-div diff-log
rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 clear-num cbrt-unprod inv-pow
Counts
4 → 118
Calls
4 calls:
76.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)))
15.0ms
(- (pow b 2) (* 4.0 (* a c)))
69.0ms
(- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)
13.0ms
(sqrt (- (pow b 2) (* 4.0 (* a c))))

series338.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)))
47.0ms
(- (pow b 2) (* 4.0 (* a c)))
80.0ms
(- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)
70.0ms
(sqrt (- (pow b 2) (* 4.0 (* a c))))

simplify821.0ms

Counts
130 → 130
Iterations

Useful iterations: done (816.0ms)

IterNodesCost
02173137
14902793
214022565
done50012485

prune220.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.4b

regimes200.0ms

Accuracy

83.4% (4.7b remaining)

Error of 10.0b against oracle of 5.3b and baseline of 33.5b

bsearch186.0ms

Steps
ItersRangePoint
6
2.0335150395734557e+19
1.0746392320557105e+20
2.9494967590524297e+19
6
3.6410892437809104e-110
3.0960233903298005e-109
3.7052502960789305e-110
8
1.0691773024250323e-170
5.5548132533506025e-168
2.175674080408203e-169
9
-1.4924982923623064e+60
-5.817343306680769e+54
-1.4784065354805617e+60

simplify20.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
04187
15478
26278
37078
47478
57778
67978
done7978

end0.0ms

sample1.2s

Algorithm
intervals
Results
235.0ms1042×body2560valid
230.0ms5926×body80valid
166.0ms905×body1280valid
111.0ms2856×body80nan
69.0ms463×body640valid
29.0ms102×body5120valid
24.0ms225×body320valid
7.0ms95×body160valid