Details

Time bar (total: 18.8s)

sample109.0ms

Algorithm
intervals
Results
33.0ms188×body80valid
25.0ms39×body2560valid
16.0ms31×body1280valid
9.0ms87×body80nan
5.0ms13×body640valid
2.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify114.0ms

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

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize29.0ms

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))
0.4b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
23.1b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite85.0ms

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:
45.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
7.0ms
(- (* b b) (* (* 4 a) c))
18.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
14.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series487.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
77.0ms
(- (* b b) (* (* 4 a) c))
130.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
112.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.6s

Counts
86 → 86
Iterations
IterNodes
done5000
21358
1406
0153

prune512.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 6.4b

localize29.0ms

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))
0.4b
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
23.1b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite151.0ms

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))
15.0ms
(- (* b b) (* (* 4 a) c))
28.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
10.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series462.0ms

Counts
4 → 12
Calls
4 calls:
161.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
79.0ms
(- (* b b) (* (* 4 a) c))
122.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
99.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.7s

Counts
96 → 96
Iterations
IterNodes
done5001
21787
1469
0178

prune544.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 6.4b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) 2) a)
0.4b
(+ (* c (* -4 a)) (* b b))
0.4b
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
23.1b
(sqrt (+ (* c (* -4 a)) (* b b)))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×add-sqr-sqrt
94×*-un-lft-identity
68×add-cube-cbrt
26×difference-of-squares
22×associate-/l*
16×sqrt-prod
13×distribute-lft-out--
add-cbrt-cube add-exp-log
add-log-exp
pow1 div-inv
insert-posit16
cbrt-undiv associate-/r* div-exp
flip3-+ sqrt-div div-sub flip-+
+-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log flip-- associate-/l/
Counts
4 → 152
Calls
4 calls:
153.0ms
(/ (/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) 2) a)
21.0ms
(+ (* c (* -4 a)) (* b b))
86.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
15.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

series507.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) 2) a)
82.0ms
(+ (* c (* -4 a)) (* b b))
141.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
143.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

simplify2.2s

Counts
164 → 164
Iterations
IterNodes
done5001
21785
1612
0259

prune942.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.4b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) (/ a 1/2))
0.4b
(+ (* c (* -4 a)) (* b b))
0.4b
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
23.1b
(sqrt (+ (* c (* -4 a)) (* b b)))

rewrite302.0ms

Algorithm
rewrite-expression-head
Rules
141×times-frac
129×add-sqr-sqrt
98×*-un-lft-identity
68×add-cube-cbrt
30×difference-of-squares
18×sqrt-prod
15×distribute-lft-out--
13×associate-/r*
add-cbrt-cube add-exp-log
div-inv add-log-exp
associate-/l*
pow1
insert-posit16
cbrt-undiv div-exp
flip3-+ flip3-- sqrt-div flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub associate-/r/
Counts
4 → 160
Calls
4 calls:
168.0ms
(/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) (/ a 1/2))
16.0ms
(+ (* c (* -4 a)) (* b b))
95.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
19.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

series452.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(/ (- (sqrt (+ (* c (* -4 a)) (* b b))) b) (/ a 1/2))
88.0ms
(+ (* c (* -4 a)) (* b b))
99.0ms
(- (sqrt (+ (* c (* -4 a)) (* b b))) b)
131.0ms
(sqrt (+ (* c (* -4 a)) (* b b)))

simplify2.0s

Counts
172 → 172
Iterations
IterNodes
done5002
22398
1753
0258

prune863.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.4b

regimes446.0ms

Accuracy

83.5% (4.6b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 33.7b

bsearch236.0ms

Steps
ItersRangePoint
8
1.287554927770862e-68
8.304725640954512e-66
4.5810084990875205e-68
8
-3.370135567630554e+133
-1.481129451033522e+129
-2.1144981103869975e+131

simplify5.0ms

Iterations
IterNodes
done32
132
025

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.1s1064×body2560valid
1.0s5890×body80valid
846.0ms2854×body80nan
724.0ms901×body1280valid
257.0ms447×body640valid
192.0ms95×body5120valid
86.0ms207×body320valid
35.0ms133×body160valid