Details

Time bar (total: 8.3s)

sample47.0ms

Algorithm
intervals
Results
8.0ms206×body80valid
7.0ms107×body80nan
6.0ms28×body2560valid
5.0ms28×body1280valid
2.0ms13×body640valid
1.0msbody5120valid
0.0msbody160valid
0.0msbody320valid

simplify67.0ms

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

localize12.0ms

Local error

Found 4 expressions with local error:

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

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
66.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
10.0ms
(- (* b b) (* (* 4.0 a) c))
21.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series316.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
51.0ms
(- (* b b) (* (* 4.0 a) c))
84.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
71.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.0s

Counts
82 → 82
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01541565
14011461
213531245
done50011233

prune216.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.5b

localize14.0ms

Local error

Found 4 expressions with local error:

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

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
66.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
8.0ms
(- (* b b) (* (* 4.0 a) c))
23.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series310.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
46.0ms
(- (* b b) (* (* 4.0 a) c))
82.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
75.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify826.0ms

Counts
82 → 82
Iterations

Useful iterations: done (823.0ms)

IterNodesCost
01541565
14011461
213531245
done50011233

prune225.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.5b

localize15.0ms

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)))

rewrite122.0ms

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:
57.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
8.0ms
(- (* b b) (* (* 4.0 a) c))
41.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series338.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (* b b) (* (* 4.0 a) c))) b)))
47.0ms
(- (* b b) (* (* 4.0 a) c))
80.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
72.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify854.0ms

Counts
130 → 130
Iterations

Useful iterations: done (849.0ms)

IterNodesCost
02203137
14972801
214612561
done50002481

prune258.0ms

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))))

rewrite175.0ms

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:
75.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)))
14.0ms
(- (pow b 2) (* 4.0 (* a c)))
66.0ms
(- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)
16.0ms
(sqrt (- (pow b 2) (* 4.0 (* a c))))

series348.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(/ 1 (/ (* 2.0 a) (- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)))
46.0ms
(- (pow b 2) (* 4.0 (* a c)))
82.0ms
(- (sqrt (- (pow b 2) (* 4.0 (* a c)))) b)
74.0ms
(sqrt (- (pow b 2) (* 4.0 (* a c))))

simplify833.0ms

Counts
130 → 130
Iterations

Useful iterations: done (829.0ms)

IterNodesCost
02173137
14902793
214022565
done50012485

prune248.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 6.4b

regimes297.0ms

Accuracy

83.5% (4.6b remaining)

Error of 10.0b against oracle of 5.4b and baseline of 33.5b

bsearch215.0ms

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

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
04485
16071
done6071

end0.0ms

sample1.3s

Algorithm
intervals
Results
252.0ms1042×body2560valid
242.0ms5926×body80valid
176.0ms905×body1280valid
107.0ms2856×body80nan
73.0ms463×body640valid
32.0ms102×body5120valid
28.0ms225×body320valid
7.0ms95×body160valid