Details

Time bar (total: 14.7s)

sample78.0ms

Algorithm
intervals
Results
23.0ms30×body1280valid
14.0ms37×body2560valid
12.0ms191×body80valid
6.0ms103×body80nan
4.0ms16×body640valid
1.0msbody320valid
1.0msbody160valid

simplify98.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
370
243
124
014

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
0.4b
(- (* b b) (* (* 4 a) c))
1.6b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
21.3b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
insert-posit16
distribute-rgt-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 74
Calls
4 calls:
127.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
16.0ms
(- (* b b) (* (* 4 a) c))
36.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
10.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series443.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
81.0ms
(- (* b b) (* (* 4 a) c))
101.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
108.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.6s

Counts
86 → 86
Iterations
IterNodes
done5000
21358
1406
0153

prune536.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 7.8b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
0.4b
(+ (* (* a c) -4) (* b b))
1.6b
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
21.3b
(sqrt (+ (* (* a c) -4) (* b b)))

rewrite266.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
flip3-+ flip-+ insert-posit16
sum-log distribute-rgt-neg-in sqrt-prod
neg-sub0 cbrt-undiv +-commutative sqrt-div div-exp associate-+l- associate-/l/
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 73
Calls
4 calls:
158.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
19.0ms
(+ (* (* a c) -4) (* b b))
62.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
25.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

series464.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(/ (+ (- b) (sqrt (+ (* (* a c) -4) (* b b)))) (* 2 a))
88.0ms
(+ (* (* a c) -4) (* b b))
123.0ms
(+ (- b) (sqrt (+ (* (* a c) -4) (* b b))))
126.0ms
(sqrt (+ (* (* a c) -4) (* b b)))

simplify1.5s

Counts
85 → 85
Iterations
IterNodes
done5000
21267
1405
0147

prune463.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.8b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
0.4b
(- (* b b) (* (* 4 a) c))
1.6b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
21.3b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
19×add-sqr-sqrt
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1
associate-*l*
insert-posit16 distribute-lft-out
flip3-+ sqrt-prod flip-+
frac-times sum-log distribute-rgt-neg-in flip3-- sqrt-div associate-*l/ prod-exp cbrt-unprod flip-- unswap-sqr
neg-sub0 cbrt-undiv +-commutative rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log div-exp pow-prod-down neg-log associate-*r/ *-commutative associate-+l- div-inv
Counts
4 → 84
Calls
4 calls:
98.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
19.0ms
(- (* b b) (* (* 4 a) c))
27.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
17.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series473.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
83.0ms
(- (* b b) (* (* 4 a) c))
127.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
98.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.4s

Counts
96 → 96
Iterations
IterNodes
done5001
21787
1469
0178

prune500.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 7.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.4b
(+ (* c (* -4 a)) (* b b))
0.4b
(/ (sqrt 1/2) a)
1.6b
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
21.3b
(sqrt (+ (* c (* -4 a)) (* b b)))

rewrite202.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
18×times-frac
16×sqrt-prod
add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1
insert-posit16
associate-/r*
flip3-+ sqrt-div flip-+ difference-of-squares
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log div-exp div-inv flip-- distribute-lft-out--
Counts
4 → 84
Calls
4 calls:
17.0ms
(+ (* c (* -4 a)) (* b b))
8.0ms
(/ (sqrt 1/2) a)
144.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
31.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

series385.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(+ (* c (* -4 a)) (* b b))
67.0ms
(/ (sqrt 1/2) a)
131.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
108.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

simplify2.5s

Counts
96 → 96
Iterations
IterNodes
done5004
33402
2794
1291
0144

prune372.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 7.8b

regimes313.0ms

Accuracy

81.2% (5.2b remaining)

Error of 10.8b against oracle of 5.6b and baseline of 33.0b

bsearch194.0ms

Steps
ItersRangePoint
7
3.2723221096518622e-21
8.349665184990521e-19
3.325219738594455e-21
7
5.034617224646791e-70
8.084342686052032e-69
1.0350377446088803e-69
1
1.8923753200636452e-106
2.0232344302868159e-106
1.990519652731023e-106
8
-5.8501169415505e+41
-1.816545290760657e+37
-2.9862044966069494e+41

simplify8.0ms

Iterations
IterNodes
done45
145
036

end0.0ms

sample2.3s

Algorithm
intervals
Results
541.0ms1071×body2560valid
402.0ms5918×body80valid
355.0ms123×body5120valid
325.0ms834×body1280valid
264.0ms3077×body80nan
129.0ms463×body640valid
67.0ms241×body320valid
13.0ms122×body160valid