Details

Time bar (total: 15.6s)

sample91.0ms

Algorithm
intervals
Results
49.0ms78×body1280valid
17.0ms48×body640valid
7.0ms31×body320valid
6.0ms15×body2560valid
3.0ms70×body80valid
2.0ms14×body160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done11
111
07

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.7b
(+ x (sqrt (+ (* x x) 1)))
4.0b
(log (+ x (sqrt (+ (* x x) 1))))
12.8b
(sqrt (+ (* x x) 1))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
log-prod add-exp-log
flip3-+ add-cbrt-cube sqrt-prod flip-+ insert-posit16
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 rem-log-exp log-pow
Counts
3 → 45
Calls
3 calls:
17.0ms
(+ x (sqrt (+ (* x x) 1)))
17.0ms
(log (+ x (sqrt (+ (* x x) 1))))
21.0ms
(sqrt (+ (* x x) 1))

series255.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(+ x (sqrt (+ (* x x) 1)))
153.0ms
(log (+ x (sqrt (+ (* x x) 1))))
33.0ms
(sqrt (+ (* x x) 1))

simplify1.5s

Counts
54 → 54
Iterations
IterNodes
done5000
31978
2707
1273
0121

prune182.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 3/40 (pow x 5))
0.1b
(* (* x x) x)
0.1b
(* (* (* x x) x) 1/6)
17.6b
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
32×pow1
23×add-exp-log
20×add-cbrt-cube
15×add-sqr-sqrt
13×associate-*r*
12×prod-exp
10×cbrt-unprod
*-un-lft-identity pow-prod-down add-cube-cbrt add-log-exp
pow-plus pow-prod-up
associate-*l*
unpow-prod-down insert-posit16 unswap-sqr
*-commutative
pow2 associate-+l+ sum-log pow-sqr sqr-pow
pow-to-exp +-commutative sub-neg flip3-+ diff-log pow3 pow-exp associate-+l- flip-+
Counts
4 → 93
Calls
4 calls:
19.0ms
(* 3/40 (pow x 5))
31.0ms
(* (* x x) x)
95.0ms
(* (* (* x x) x) 1/6)
27.0ms
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

series298.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(* 3/40 (pow x 5))
58.0ms
(* (* x x) x)
62.0ms
(* (* (* x x) x) 1/6)
92.0ms
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

simplify2.8s

Counts
105 → 105
Iterations
IterNodes
done5001
33928
2964
1330
0134

prune287.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1/2 x) (/ 1/8 (* (* x x) x)))
0.1b
(* (* x x) x)
0.2b
(/ 1/8 (* (* x x) x))
12.4b
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

rewrite439.0ms

Algorithm
rewrite-expression-head
Rules
24×pow1
19×*-un-lft-identity add-exp-log
18×add-cbrt-cube
14×add-sqr-sqrt
add-cube-cbrt
log-prod pow-plus prod-exp pow-prod-up cbrt-unprod add-log-exp
distribute-lft-out
times-frac insert-posit16
cbrt-undiv div-exp associate-*r* pow-prod-down associate-/l*
pow2 log-div pow-sqr distribute-lft-out-- difference-of-squares
clear-num associate-/r* sub-neg frac-2neg flip3-+ flip3-- diff-log rem-log-exp associate-*l* pow3 log-pow *-commutative frac-sub flip-+ div-inv flip-- unswap-sqr
Counts
4 → 88
Calls
4 calls:
34.0ms
(- (/ 1/2 x) (/ 1/8 (* (* x x) x)))
33.0ms
(* (* x x) x)
37.0ms
(/ 1/8 (* (* x x) x))
331.0ms
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

series391.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(- (/ 1/2 x) (/ 1/8 (* (* x x) x)))
48.0ms
(* (* x x) x)
77.0ms
(/ 1/8 (* (* x x) x))
162.0ms
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

simplify1.8s

Counts
100 → 100
Iterations
IterNodes
done5001
21462
1421
0170

prune328.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1/16 (pow x 5))
0.2b
(/ 1/8 (* (* x x) x))
14.6b
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
21.4b
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

rewrite268.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
30×*-un-lft-identity
28×times-frac
23×add-cube-cbrt
19×add-exp-log
15×add-cbrt-cube
13×unpow-prod-down
associate-/r*
log-prod
div-exp associate-/l* add-log-exp difference-of-squares
pow1 log-div frac-sub sqr-pow
cbrt-undiv insert-posit16 distribute-lft-out--
flip3-- prod-exp cbrt-unprod flip--
clear-num frac-2neg div-inv
pow-to-exp sub-neg diff-log rem-log-exp pow-exp log-pow
Counts
4 → 111
Calls
4 calls:
13.0ms
(/ 1/16 (pow x 5))
35.0ms
(/ 1/8 (* (* x x) x))
143.0ms
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
71.0ms
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

series477.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(/ 1/16 (pow x 5))
56.0ms
(/ 1/8 (* (* x x) x))
159.0ms
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
181.0ms
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

simplify1.5s

Counts
123 → 123
Iterations
IterNodes
done5199
22093
1591
0263

prune661.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes49.0ms

Accuracy

100% (0.0b remaining)

Error of 0.2b against oracle of 0.2b and baseline of 31.4b

bsearch146.0ms

Steps
ItersRangePoint
10
1.508099977930646e-06
2590629949647.022
0.9512405390439127
10
-26711381.42537418
-6.803810524357175e-07
-1.0467443314953524

simplify13.0ms

Iterations
IterNodes
done38
138
032

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.1s2363×body1280valid
678.0ms1540×body640valid
385.0ms774×body2560valid
215.0ms785×body320valid
119.0ms2145×body80valid
54.0ms393×body160valid