Details

Time bar (total: 59.6s)

sample175.0ms

Algorithm
intervals
Results
91.0ms78×body1280valid
29.0ms46×body640valid
19.0ms22×body2560valid
14.0ms34×body320valid
7.0ms67×body80valid
2.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done11
111
07

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.0b

localize12.0ms

Local error

Found 3 expressions with local error:

1.1b
(+ x (sqrt (+ (* x x) 1)))
2.3b
(log (+ x (sqrt (+ (* x x) 1))))
16.2b
(sqrt (+ (* x x) 1))

rewrite168.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt sqrt-prod add-log-exp
log-prod add-exp-log distribute-lft-out
flip3-+ add-cbrt-cube flip-+ insert-posit16
log-div sqrt-div
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 rem-log-exp associate-*l* log-pow
Counts
3 → 47
Calls
3 calls:
57.0ms
(+ x (sqrt (+ (* x x) 1)))
70.0ms
(log (+ x (sqrt (+ (* x x) 1))))
39.0ms
(sqrt (+ (* x x) 1))

series222.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(+ x (sqrt (+ (* x x) 1)))
119.0ms
(log (+ x (sqrt (+ (* x x) 1))))
32.0ms
(sqrt (+ (* x x) 1))

simplify1.8s

Counts
56 → 56
Iterations
IterNodes
done5000
31978
2707
1273
0121

prune315.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize32.0ms

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)
19.4b
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

rewrite1.4s

Algorithm
rewrite-expression-head
Rules
84×associate-*l*
67×add-sqr-sqrt
49×*-un-lft-identity
34×pow1
29×unswap-sqr
23×add-exp-log
22×associate-*r*
21×add-cube-cbrt
20×add-cbrt-cube
12×prod-exp
10×pow-prod-down *-commutative cbrt-unprod distribute-lft-out
swap-sqr add-log-exp
distribute-lft-out--
pow-plus pow-prod-up
unpow-prod-down insert-posit16
pow2 associate-+l+ sum-log pow3 pow-sqr sqr-pow
pow-to-exp +-commutative sub-neg flip3-+ diff-log pow-exp associate-+l- flip-+
Counts
4 → 156
Calls
4 calls:
28.0ms
(* 3/40 (pow x 5))
55.0ms
(* (* x x) x)
171.0ms
(* (* (* x x) x) 1/6)
1.1s
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

series240.0ms

Counts
4 → 12
Calls
4 calls:
65.0ms
(* 3/40 (pow x 5))
50.0ms
(* (* x x) x)
53.0ms
(* (* (* x x) x) 1/6)
72.0ms
(+ (- x (* (* (* x x) x) 1/6)) (* 3/40 (pow x 5)))

simplify1.3s

Counts
168 → 168
Iterations
IterNodes
done5000
21284
1458
0167

prune470.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1/16 (pow x 5))
0.3b
(/ 1/8 (* (* x x) x))
10.7b
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
17.8b
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

rewrite2.9s

Algorithm
rewrite-expression-head
Rules
8416×frac-sub
7387×associate-/r*
4753×add-sqr-sqrt
3998×log-div
3063×*-un-lft-identity
3026×add-cube-cbrt
2748×associate-/l*
2418×associate-*l*
1039×unpow-prod-down
962×unswap-sqr
916×clear-num frac-2neg
804×associate-*r*
540×swap-sqr
406×*-commutative
351×sqr-pow
166×times-frac
30×difference-of-squares
19×add-exp-log
15×add-cbrt-cube
13×distribute-lft-out--
11×flip3-- flip--
10×log-prod
div-exp add-log-exp
pow1
cbrt-undiv insert-posit16
prod-exp cbrt-unprod
div-inv
pow-to-exp sub-neg diff-log rem-log-exp pow-exp log-pow
Counts
4 → 4683
Calls
4 calls:
15.0ms
(/ 1/16 (pow x 5))
59.0ms
(/ 1/8 (* (* x x) x))
1.5s
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
308.0ms
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

series418.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(/ 1/16 (pow x 5))
43.0ms
(/ 1/8 (* (* x x) x))
118.0ms
(log (- (/ -1/2 x) (- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))))
171.0ms
(- (/ 1/16 (pow x 5)) (/ 1/8 (* (* x x) x)))

simplify16.1s

Counts
4695 → 4695
Iterations
IterNodes
done13571
013571

prune22.6s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x)))))
0.1b
(* (* x x) x)
0.3b
(/ 1/8 (* (* x x) x))
7.8b
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

rewrite2.6s

Algorithm
rewrite-expression-head
Rules
128×add-sqr-sqrt
90×associate-*l*
86×*-un-lft-identity
84×times-frac
68×add-cube-cbrt
35×unswap-sqr
30×associate-*r*
28×associate-/r*
24×pow1
20×swap-sqr
19×add-exp-log
18×add-cbrt-cube
16×*-commutative
13×add-log-exp
10×distribute-lft-out
associate-+r+ log-prod pow-plus prod-exp pow-prod-up cbrt-unprod
sum-log
insert-posit16
cbrt-undiv div-exp pow-prod-down associate-/l*
pow2 +-commutative log-div associate-+r- flip3-+ pow3 pow-sqr flip-+ distribute-lft-out--
clear-num sub-neg frac-2neg diff-log rem-log-exp log-pow div-inv
Counts
4 → 220
Calls
4 calls:
1.2s
(+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x)))))
33.0ms
(* (* x x) x)
64.0ms
(/ 1/8 (* (* x x) x))
1.3s
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

series268.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x)))))
36.0ms
(* (* x x) x)
65.0ms
(/ 1/8 (* (* x x) x))
116.0ms
(log (+ x (+ x (- (/ 1/2 x) (/ 1/8 (* (* x x) x))))))

simplify2.8s

Counts
232 → 232
Iterations
IterNodes
done5108
23152
1799
0287

prune645.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes33.0ms

Accuracy

100% (0.0b remaining)

Error of 0.2b against oracle of 0.2b and baseline of 30.5b

bsearch133.0ms

Steps
ItersRangePoint
10
2.618543036730298e-08
12461.173664998358
0.9560728927963928
9
-101227.54480913779
-5.532094628653386e-05
-1.0682549790295666

simplify7.0ms

Iterations
IterNodes
done38
138
032

end0.0ms

sample4.9s

Algorithm
intervals
Results
2.1s2293×body1280valid
940.0ms1570×body640valid
673.0ms775×body2560valid
628.0ms2096×body80valid
316.0ms824×body320valid
93.0ms442×body160valid