Details

Time bar (total: 33.6s)

sample54.0ms

Algorithm
intervals
Results
18.0ms258×body80valid
14.0ms280×body80nan

simplify17.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01012
12112
26112
318512
443112
587512
6152812
7185312
8208212
9209812
10229212
11232712
12238612
13242212
14249012
15249412
done249412

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 2 expressions with local error:

0.1b
(+ (- x (* (+ y 0.5) (log y))) y)
0.2b
(* (+ y 0.5) (log y))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-sqr-sqrt
add-log-exp
add-cube-cbrt log-prod
pow1
add-exp-log associate-*r* associate-*l* add-cbrt-cube
distribute-rgt-in distribute-lft-in
associate-+l+ flip3-+ associate-*l/ sum-log flip-+ distribute-lft-out
+-commutative associate-+l- sub-neg diff-log pow-prod-down prod-exp log-pow *-commutative cbrt-unprod unswap-sqr
Counts
2 → 44
Calls
2 calls:
35.0ms
(+ (- x (* (+ y 0.5) (log y))) y)
31.0ms
(* (+ y 0.5) (log y))

series442.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(+ (- x (* (+ y 0.5) (log y))) y)
395.0ms
(* (+ y 0.5) (log y))

simplify2.1s

Counts
50 → 50
Iterations

Useful iterations: 3 (970.0ms)

IterNodesCost
0113631
1293596
2888523
33400510
done5002510

prune128.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ y 0.5) (log (cbrt y)))
0.3b
(+ (* (* 2 (log (cbrt y))) (+ y 0.5)) (* (+ y 0.5) (log (cbrt y))))
0.6b
(cbrt y)
0.6b
(cbrt y)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
24×log-prod
18×cbrt-prod add-sqr-sqrt *-un-lft-identity
16×add-cube-cbrt
13×distribute-rgt-in distribute-lft-in
12×associate-+r+
pow1
add-exp-log flip3-+ associate-*l/ add-cbrt-cube flip-+ add-log-exp
associate-*r*
associate-*r/ associate-*l* frac-add
pow1/3
associate-+l+ log-pow
+-commutative pow-prod-down prod-exp sum-log *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
4 → 86
Calls
4 calls:
24.0ms
(* (+ y 0.5) (log (cbrt y)))
39.0ms
(+ (* (* 2 (log (cbrt y))) (+ y 0.5)) (* (+ y 0.5) (log (cbrt y))))
1.0ms
(cbrt y)
1.0ms
(cbrt y)

series2.3s

Counts
4 → 12
Calls
4 calls:
632.0ms
(* (+ y 0.5) (log (cbrt y)))
1.1s
(+ (* (* 2 (log (cbrt y))) (+ y 0.5)) (* (+ y 0.5) (log (cbrt y))))
296.0ms
(cbrt y)
213.0ms
(cbrt y)

simplify1.2s

Counts
98 → 98
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01671466
14751331
219451102
done50011096

prune453.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(log (cbrt y))
0.1b
(+ (- x (* (log (cbrt y)) (+ (* 3 y) 1.5))) y)
0.3b
(* (log (cbrt y)) (+ (* 3 y) 1.5))
0.6b
(cbrt y)

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt add-log-exp
pow1
add-exp-log
cbrt-prod log-prod add-cbrt-cube
associate-*l*
log-pow
pow1/3 associate-*r*
associate-+l+ flip3-+ associate-*r/ sum-log flip-+
+-commutative distribute-rgt-in associate-+l- sub-neg distribute-lft-in diff-log rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
4 → 67
Calls
4 calls:
3.0ms
(log (cbrt y))
31.0ms
(+ (- x (* (log (cbrt y)) (+ (* 3 y) 1.5))) y)
47.0ms
(* (log (cbrt y)) (+ (* 3 y) 1.5))
1.0ms
(cbrt y)

series1.5s

Counts
4 → 12
Calls
4 calls:
333.0ms
(log (cbrt y))
134.0ms
(+ (- x (* (log (cbrt y)) (+ (* 3 y) 1.5))) y)
696.0ms
(* (log (cbrt y)) (+ (* 3 y) 1.5))
293.0ms
(cbrt y)

simplify1.2s

Counts
79 → 79
Iterations

Useful iterations: done (1.2s)

IterNodesCost
0126927
1328883
21153783
done5000754

prune333.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize47.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (pow y 2/3))
0.6b
(cbrt y)
0.6b
(cbrt (cbrt y))
6.2b
(pow y 2/3)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
19×cbrt-prod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
pow1 add-exp-log
add-cbrt-cube add-log-exp
pow-unpow pow1/3
sqr-pow
pow-to-exp pow-pow pow-exp
Counts
4 → 57
Calls
4 calls:
3.0ms
(cbrt (pow y 2/3))
1.0ms
(cbrt y)
2.0ms
(cbrt (cbrt y))
4.0ms
(pow y 2/3)

series1.2s

Counts
4 → 12
Calls
4 calls:
305.0ms
(cbrt (pow y 2/3))
269.0ms
(cbrt y)
339.0ms
(cbrt (cbrt y))
280.0ms
(pow y 2/3)

simplify2.4s

Counts
69 → 69
Iterations

Useful iterations: 4 (813.0ms)

IterNodesCost
093428
1171383
2320347
3730333
42637328
done5001328

prune282.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes235.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01012
11312
done1312

end0.0ms

sample1.7s

Algorithm
intervals
Results
678.0ms8056×body80valid
549.0ms8340×body80nan
0.0msbody320valid