Details

Time bar (total: 14.3s)

sample26.0ms

Algorithm
intervals
Results
7.0ms51×body1280valid
5.0ms43×body640valid
4.0ms132×body80valid
1.0ms19×body320valid
1.0ms11×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.5b

localize10.0ms

Local error

Found 3 expressions with local error:

0.3b
(cbrt (+ 1.0 x))
0.5b
(cbrt x)
3.0b
(- (cbrt (+ 1.0 x)) (cbrt x))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
64×cbrt-prod
56×*-un-lft-identity
42×prod-diff
41×add-sqr-sqrt
33×add-cube-cbrt
distribute-lft-out
fma-neg
add-log-exp
difference-of-squares
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u distribute-lft-out--
cbrt-div pow1/3
sub-neg flip3-+ flip3-- diff-log flip-+ flip--
Counts
3 → 99
Calls
3 calls:
6.0ms
(cbrt (+ 1.0 x))
1.0ms
(cbrt x)
58.0ms
(- (cbrt (+ 1.0 x)) (cbrt x))

series1.0s

Counts
3 → 9
Calls
3 calls:
117.0ms
(cbrt (+ 1.0 x))
290.0ms
(cbrt x)
642.0ms
(- (cbrt (+ 1.0 x)) (cbrt x))

simplify947.0ms

Counts
108 → 108
Iterations
IterNodes
done5000
21428
1460
0194

prune431.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.3b

localize42.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ 1.0 x))
0.5b
(cbrt x)
2.6b
(log (exp (- (cbrt (+ 1.0 x)) (cbrt x))))
3.0b
(- (cbrt (+ 1.0 x)) (cbrt x))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
117×cbrt-prod
104×*-un-lft-identity
84×prod-diff
78×add-sqr-sqrt
62×add-cube-cbrt
47×log-prod
44×exp-sum
16×distribute-lft-out
11×log-pow
10×exp-prod
difference-of-squares
fma-neg
distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u
cbrt-div sub-neg pow1/3
log-div flip3-+ flip3-- exp-diff diff-log rem-log-exp flip-+ flip--
Counts
4 → 168
Calls
4 calls:
3.0ms
(cbrt (+ 1.0 x))
1.0ms
(cbrt x)
99.0ms
(log (exp (- (cbrt (+ 1.0 x)) (cbrt x))))
61.0ms
(- (cbrt (+ 1.0 x)) (cbrt x))

series900.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(cbrt (+ 1.0 x))
326.0ms
(cbrt x)
218.0ms
(log (exp (- (cbrt (+ 1.0 x)) (cbrt x))))
220.0ms
(- (cbrt (+ 1.0 x)) (cbrt x))

simplify1.2s

Counts
180 → 180
Iterations
IterNodes
done5000
21875
1605
0315

prune743.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.3b

localize27.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)
20.3b
(- (cbrt (+ 1.0 x)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
17×cbrt-prod
15×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
fma-neg prod-diff
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
pow1/3
distribute-lft-out
sub-neg flip3-- diff-log flip--
Counts
4 → 67
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
67.0ms
(- (cbrt (+ 1.0 x)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

series1.0s

Counts
4 → 12
Calls
4 calls:
266.0ms
(cbrt x)
285.0ms
(cbrt x)
283.0ms
(cbrt x)
201.0ms
(- (cbrt (+ 1.0 x)) (* (* (cbrt (cbrt x)) (cbrt (cbrt x))) (cbrt (cbrt x))))

simplify2.5s

Counts
79 → 79
Iterations
IterNodes
done5000
34861
2966
1286
0120

prune471.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.3b

localize30.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (cbrt (+ 1.0 x)))
0.3b
(* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))
0.5b
(cbrt x)
29.6b
(fma (cbrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (cbrt (cbrt (+ 1.0 x))) (- (cbrt x)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
38×cbrt-prod
31×*-un-lft-identity
23×add-sqr-sqrt
16×cbrt-div
15×add-cube-cbrt
11×pow1
swap-sqr
pow1/3
flip3-+ associate-*r* associate-*l* flip-+ distribute-lft-out
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef
Counts
4 → 97
Calls
4 calls:
4.0ms
(cbrt (cbrt (+ 1.0 x)))
47.0ms
(* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))
1.0ms
(cbrt x)
1.0ms
(fma (cbrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (cbrt (cbrt (+ 1.0 x))) (- (cbrt x)))

series897.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(cbrt (cbrt (+ 1.0 x)))
147.0ms
(* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))
278.0ms
(cbrt x)
331.0ms
(fma (cbrt (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))) (cbrt (cbrt (+ 1.0 x))) (- (cbrt x)))

simplify1.1s

Counts
109 → 109
Iterations
IterNodes
done5001
22047
1561
0244

prune732.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 7.3b

regimes127.0ms

Accuracy

98% (0.4b remaining)

Error of 8.9b against oracle of 8.4b and baseline of 30.1b

bsearch133.0ms

Steps
ItersRangePoint
9
5.1798647897020696e-05
160.65039477392645
0.04777649667975738
10
-83422883652835.42
-0.9341403346610884
-0.9906799218317324

simplify13.0ms

Iterations
IterNodes
done51
251
150
043

end0.0ms

sample1.5s

Algorithm
intervals
Results
626.0ms1318×body640valid
412.0ms1679×body1280valid
227.0ms4079×body80valid
100.0ms600×body320valid
23.0ms324×body160valid