Details

Time bar (total: 19.6s)

sample158.0ms

Algorithm
intervals
Results
50.0ms188×body80valid
37.0ms39×body2560valid
25.0ms31×body1280valid
13.0ms87×body80nan
8.0ms13×body640valid
3.0msbody5120valid
3.0msbody320valid
0.0msbody160valid

simplify75.0ms

Counts
1 → 1
Iterations
IterNodes
done101
5101
493
377
245
124
014

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize28.0ms

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)))

rewrite104.0ms

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:
65.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
7.0ms
(- (* b b) (* (* 4 a) c))
24.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
7.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series476.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))
74.0ms
(- (* b b) (* (* 4 a) c))
113.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
110.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.4s

Counts
86 → 86
Iterations
IterNodes
done5002
21423
1406
0153

prune570.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 6.4b

localize43.0ms

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)))

rewrite112.0ms

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:
83.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
7.0ms
(- (* b b) (* (* 4 a) c))
13.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
7.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series413.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (/ 1/2 a))
60.0ms
(- (* b b) (* (* 4 a) c))
103.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4 a) c))))
102.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.3s

Counts
96 → 96
Iterations
IterNodes
done5000
21835
1469
0178

prune539.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 6.4b

localize34.0ms

Local error

Found 4 expressions with local error:

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

rewrite134.0ms

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:
63.0ms
(/ (/ (- (sqrt (+ (* b b) (* (* a -4) c))) b) 2) a)
14.0ms
(+ (* b b) (* (* a -4) c))
48.0ms
(- (sqrt (+ (* b b) (* (* a -4) c))) b)
6.0ms
(sqrt (+ (* b b) (* (* a -4) c)))

series412.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(/ (/ (- (sqrt (+ (* b b) (* (* a -4) c))) b) 2) a)
69.0ms
(+ (* b b) (* (* a -4) c))
125.0ms
(- (sqrt (+ (* b b) (* (* a -4) c))) b)
90.0ms
(sqrt (+ (* b b) (* (* a -4) c)))

simplify1.9s

Counts
164 → 164
Iterations
IterNodes
done5000
22305
1681
0279

prune880.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.4b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (/ (- (sqrt (+ (* b b) (* (* a -4) c))) b) 2)))
0.4b
(+ (* b b) (* (* a -4) c))
0.4b
(- (sqrt (+ (* b b) (* (* a -4) c))) b)
23.1b
(sqrt (+ (* b b) (* (* a -4) c)))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
693×times-frac
438×add-sqr-sqrt
363×*-un-lft-identity
289×add-cube-cbrt
74×difference-of-squares
71×associate-/r*
40×sqrt-prod
37×distribute-lft-out--
25×add-exp-log
17×div-inv
15×div-exp
13×add-cbrt-cube
add-log-exp
pow1 cbrt-undiv
associate-/r/
insert-posit16
rec-exp 1-exp associate-/l*
flip3-+ sqrt-div flip-+
+-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 diff-log pow-flip flip-- inv-pow
Counts
4 → 357
Calls
4 calls:
61.0ms
(/ 1 (/ a (/ (- (sqrt (+ (* b b) (* (* a -4) c))) b) 2)))
8.0ms
(+ (* b b) (* (* a -4) c))
34.0ms
(- (sqrt (+ (* b b) (* (* a -4) c))) b)
7.0ms
(sqrt (+ (* b b) (* (* a -4) c)))

series510.0ms

Counts
4 → 12
Calls
4 calls:
222.0ms
(/ 1 (/ a (/ (- (sqrt (+ (* b b) (* (* a -4) c))) b) 2)))
56.0ms
(+ (* b b) (* (* a -4) c))
106.0ms
(- (sqrt (+ (* b b) (* (* a -4) c))) b)
126.0ms
(sqrt (+ (* b b) (* (* a -4) c)))

simplify2.8s

Counts
369 → 369
Iterations
IterNodes
done5002
24773
11586
0573

prune2.3s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 6.4b

regimes454.0ms

Accuracy

83.4% (4.6b remaining)

Error of 10.4b against oracle of 5.8b and baseline of 33.7b

bsearch228.0ms

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
1.2s1064×body2560valid
1.1s901×body1280valid
947.0ms5890×body80valid
415.0ms2854×body80nan
244.0ms447×body640valid
126.0ms95×body5120valid
123.0ms207×body320valid
36.0ms133×body160valid