Details

Time bar (total: 14.6s)

sample94.0ms

Algorithm
intervals
Results
42.0ms77×body1280valid
18.0ms46×body640valid
10.0ms23×body2560valid
7.0ms30×body320valid
4.0ms70×body80valid
1.0ms10×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 51.1b

localize20.0ms

Local error

Found 3 expressions with local error:

1.1b
(+ x (sqrt (+ (* x x) 1.0)))
2.2b
(log (+ x (sqrt (+ (* x x) 1.0))))
13.3b
(sqrt (+ (* x x) 1.0))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
add-exp-log log-prod
flip3-+ sqrt-prod add-cbrt-cube flip-+
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 rem-log-exp sum-log log-pow
Counts
3 → 42
Calls
3 calls:
17.0ms
(+ x (sqrt (+ (* x x) 1.0)))
17.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
10.0ms
(sqrt (+ (* x x) 1.0))

series332.0ms

Counts
3 → 9
Calls
3 calls:
85.0ms
(+ x (sqrt (+ (* x x) 1.0)))
196.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
50.0ms
(sqrt (+ (* x x) 1.0))

simplify1.6s

Counts
51 → 51
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0133761
1308691
2848618
32737602
done5001590

prune154.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.1b
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
0.3b
(* -1/6 (/ (* x x) 1.0))

rewrite461.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
29×associate-*r*
24×times-frac
19×add-cube-cbrt *-un-lft-identity
16×add-exp-log add-cbrt-cube
10×sqrt-prod
pow1 associate-*l* prod-exp cbrt-unprod
unswap-sqr
cbrt-undiv div-exp
frac-times flip3-+ associate-*r/ pow-prod-down associate-*l/ *-commutative flip-+ div-inv add-log-exp
Counts
2 → 74
Calls
2 calls:
437.0ms
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
18.0ms
(* -1/6 (/ (* x x) 1.0))

series284.0ms

Counts
2 → 6
Calls
2 calls:
255.0ms
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
29.0ms
(* -1/6 (/ (* x x) 1.0))

simplify1.4s

Counts
80 → 80
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01621283
14111174
215501066
done50001034

prune288.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 1 expressions with local error:

0.1b
(/ (pow x 3) (/ 1.0 -1/6))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
273×times-frac
134×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
42×unpow-prod-down cube-prod
14×add-exp-log cube-mult unpow3 div-inv sqr-pow
13×associate-/r*
12×associate-/l*
div-exp
add-cbrt-cube
cbrt-undiv
pow-to-exp pow-exp
pow1 frac-2neg clear-num associate-/r/ add-log-exp
Counts
1 → 200
Calls
1 calls:
23.0ms
(/ (pow x 3) (/ 1.0 -1/6))

series65.0ms

Counts
1 → 3
Calls
1 calls:
65.0ms
(/ (pow x 3) (/ 1.0 -1/6))

simplify1.5s

Counts
203 → 203
Iterations

Useful iterations: 2 (616.0ms)

IterNodesCost
03023458
15772805
222932751
done50002751

prune555.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(* -1/6 (/ (* x x) 1.0))
13.8b
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
13.8b
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
13.8b
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
13×add-exp-log add-cbrt-cube
10×add-cube-cbrt *-un-lft-identity
cbrt-prod
associate-*r*
pow1 cbrt-div
times-frac prod-exp cbrt-unprod add-log-exp
flip3-+ pow1/3 associate-*l* flip-+
cbrt-undiv div-exp unswap-sqr
associate-*r/ pow-prod-down *-commutative div-inv
Counts
4 → 67
Calls
4 calls:
32.0ms
(* -1/6 (/ (* x x) 1.0))
23.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
23.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
19.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))

series1.0s

Counts
4 → 12
Calls
4 calls:
45.0ms
(* -1/6 (/ (* x x) 1.0))
293.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
349.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))
314.0ms
(cbrt (+ (* -1/6 (/ (* x x) 1.0)) 1))

simplify2.7s

Counts
79 → 79
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01411566
13271477
29501365
338091230
done50011176

prune341.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes69.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 31.9b

bsearch87.0ms

Steps
ItersRangePoint
10
8.937283511995443e-05
28405617999702.24
0.8904752561288425
9
-7465.585501010854
-0.008005822963963436
-1.0042810433581868

simplify8.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03354
13754
done3754

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.9s2405×body1280valid
528.0ms1512×body640valid
461.0ms770×body2560valid
164.0ms803×body320valid
143.0ms2109×body80valid
49.0ms401×body160valid