Details

Time bar (total: 4.6s)

sample22.0ms

Algorithm
intervals
Results
7.0ms55×body1280valid
4.0ms39×body640valid
3.0ms132×body80valid
1.0ms21×body320valid
0.0msbody160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 29.5b

Counts
2 → 1

localize6.0ms

Local error

Found 3 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
3.0b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite18.0ms

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
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u distribute-lft-out--
cbrt-div pow1/3
sub-neg flip3-- flip3-+ diff-log flip-- flip-+
Counts
3 → 99
Calls
3 calls:
3.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
10.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series425.0ms

Counts
3 → 9
Calls
3 calls:
89.0ms
(cbrt (+ x 1.0))
181.0ms
(cbrt x)
156.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify57.0ms

Algorithm
egg-herbie
Counts
108 → 108
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
04301315
113941045
25001981

prune221.0ms

Filtered
108 candidates to 69 candidates (63.9%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New9810108
Fresh000
Picked101
Done000
Total9910109

Merged error: 18.1b

Counts
109 → 10

localize9.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
2.8b
(log (exp (- (cbrt (+ x 1.0)) (cbrt x))))
3.0b
(- (cbrt (+ x 1.0)) (cbrt x))

rewrite37.0ms

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
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
sub-neg cbrt-div pow1/3
log-div flip3-- flip3-+ exp-diff diff-log rem-log-exp flip-- flip-+
Counts
4 → 168
Calls
4 calls:
3.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
14.0ms
(log (exp (- (cbrt (+ x 1.0)) (cbrt x))))
10.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

series567.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(cbrt (+ x 1.0))
176.0ms
(cbrt x)
151.0ms
(log (exp (- (cbrt (+ x 1.0)) (cbrt x))))
151.0ms
(- (cbrt (+ x 1.0)) (cbrt x))

simplify74.0ms

Algorithm
egg-herbie
Counts
180 → 180
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
05672459
116511917
250011581

prune324.0ms

Filtered
180 candidates to 102 candidates (56.7%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New1782180
Fresh099
Picked101
Done000
Total17911190

Merged error: 18.1b

Counts
190 → 11

localize10.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ x 1.0))
0.3b
(cbrt (+ x 1.0))
0.6b
(cbrt x)
29.4b
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))) (- (cbrt x)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
11×cbrt-prod *-un-lft-identity
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log expm1-log1p-u cbrt-div add-cbrt-cube log1p-expm1-u add-log-exp
pow1/3
flip3-+ flip-+ distribute-lft-out
fma-udef
Counts
4 → 55
Calls
4 calls:
3.0ms
(cbrt (+ x 1.0))
3.0ms
(cbrt (+ x 1.0))
1.0ms
(cbrt x)
1.0ms
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))) (- (cbrt x)))

series611.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(cbrt (+ x 1.0))
90.0ms
(cbrt (+ x 1.0))
185.0ms
(cbrt x)
248.0ms
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))) (- (cbrt x)))

simplify101.0ms

Algorithm
egg-herbie
Counts
67 → 67
Iterations

Useful iterations: 3 (94.0ms)

IterNodesCost
0340545
11020489
23657450
35001441

prune256.0ms

Filtered
67 candidates to 61 candidates (91.0%)
Pruning

13 alts after pruning (13 fresh and 0 done)

PrunedKeptTotal
New62567
Fresh2810
Picked101
Done000
Total651378

Merged error: 18.1b

Counts
78 → 13

localize15.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
0.3b
(cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
0.6b
(cbrt x)
29.4b
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (* (cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))))) (- (cbrt x)))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
32×cbrt-div
28×cbrt-prod
27×*-un-lft-identity
21×add-sqr-sqrt
13×add-cube-cbrt
12×flip3-+ flip-+
11×pow1
swap-sqr
frac-times pow1/3
associate-*r* associate-*l*
add-exp-log distribute-lft-out
expm1-log1p-u associate-*r/ associate-*l/ add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef
Counts
4 → 97
Calls
4 calls:
10.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
8.0ms
(cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
1.0ms
(cbrt x)
1.0ms
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (* (cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))))) (- (cbrt x)))

series643.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))
103.0ms
(cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
188.0ms
(cbrt x)
252.0ms
(fma (* (cbrt (cbrt (+ x 1.0))) (cbrt (cbrt (+ x 1.0)))) (cbrt (* (cbrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (cbrt (cbrt (+ x 1.0))))) (- (cbrt x)))

simplify56.0ms

Algorithm
egg-herbie
Counts
109 → 109
Iterations

Useful iterations: 2 (44.0ms)

IterNodesCost
05181099
117031011
25002955

prune329.0ms

Filtered
109 candidates to 81 candidates (74.3%)
Pruning

14 alts after pruning (14 fresh and 0 done)

PrunedKeptTotal
New1063109
Fresh11112
Picked101
Done000
Total10814122

Merged error: 18.1b

Counts
122 → 14

regimes142.0ms

Accuracy

98.2% (0.2b remaining)

Error of 19.6b against oracle of 19.4b and baseline of 30.7b

bsearch109.0ms

Steps
ItersRangePoint
10
6.398614580632226
3002406562115.273
5365.771868231847
8
-2.934539490415412e+65
-1.6430583526687275e+61
-4.4717528299524587e+61

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06043
16243
26243

end0.0ms

sample574.0ms

Algorithm
intervals
Results
210.0ms1772×body1280valid
113.0ms1251×body640valid
98.0ms4002×body80valid
44.0ms647×body320valid
14.0ms328×body160valid