Details

Time bar (total: 3.8s)

sample27.0ms

Algorithm
intervals
Results
11.0ms129×pre10240exit
4.0ms256×body80valid
2.0ms127×pre80true

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0103
1123
2123

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.6b

localize4.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ x0 (- 1.0 x1))
7.1b
(- (/ x0 (- 1.0 x1)) x0)

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
106×add-sqr-sqrt
103×*-un-lft-identity
76×times-frac
69×add-cube-cbrt
63×prod-diff
21×fma-neg
18×difference-of-squares
17×distribute-lft-out--
10×associate-/r/
flip3-- flip--
associate-/r* div-inv
add-exp-log add-cbrt-cube add-log-exp
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num
Counts
2 → 140
Calls
2 calls:
11.0ms
(/ x0 (- 1.0 x1))
70.0ms
(- (/ x0 (- 1.0 x1)) x0)

series223.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(/ x0 (- 1.0 x1))
189.0ms
(- (/ x0 (- 1.0 x1)) x0)

simplify52.0ms

Algorithm
egg-herbie
Counts
146 → 146
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
04211434
11527945
25001894

prune143.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 4.6b

localize9.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (cbrt x0) (- 1.0 x1))
6.0b
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt *-un-lft-identity
30×times-frac
21×add-cube-cbrt
18×cbrt-prod
distribute-lft-out-- difference-of-squares
associate-/l*
associate-/r*
add-exp-log
add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 67
Calls
2 calls:
13.0ms
(/ (cbrt x0) (- 1.0 x1))
0.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

series179.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(/ (cbrt x0) (- 1.0 x1))
92.0ms
(fma (/ (* (cbrt x0) (cbrt x0)) 1) (/ (cbrt x0) (- 1.0 x1)) (- x0))

simplify35.0ms

Algorithm
egg-herbie
Counts
73 → 73
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0307589
11046558
25001548

prune169.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 4.2b

localize20.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (cbrt x0) (- 1.0 x1))
0.5b
(/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0))
0.8b
(pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1)))
6.1b
(log (/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
102×times-frac
99×add-sqr-sqrt *-un-lft-identity
73×add-cube-cbrt
36×pow-unpow
33×cbrt-prod
27×unpow-prod-down
25×log-prod
13×associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log sqr-pow
pow-pow associate-/r*
exp-prod div-exp add-cbrt-cube
pow1
expm1-log1p-u rem-log-exp associate-/r/ log1p-expm1-u div-inv add-log-exp
pow-to-exp pow-exp
cbrt-undiv flip3-- frac-2neg clear-num flip--
log-div log-pow
Counts
4 → 203
Calls
4 calls:
14.0ms
(/ (cbrt x0) (- 1.0 x1))
17.0ms
(/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0))
17.0ms
(pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1)))
8.0ms
(log (/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0)))

series497.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(/ (cbrt x0) (- 1.0 x1))
133.0ms
(/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0))
131.0ms
(pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1)))
143.0ms
(log (/ (pow (exp (pow x0 2/3)) (/ (cbrt x0) (- 1.0 x1))) (exp x0)))

simplify84.0ms

Algorithm
egg-herbie
Counts
215 → 215
Iterations

Useful iterations: 2 (65.0ms)

IterNodesCost
09292386
136322269
250022250

prune647.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 3.9b

localize17.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (cbrt x0) (- 1.0 x1))
5.4b
(+ (log (/ 1 (sqrt (exp x0)))) (fma (/ (cbrt x0) (- 1.0 x1)) (pow x0 2/3) (log (/ 1 (sqrt (exp x0))))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
53×*-un-lft-identity
50×add-sqr-sqrt
48×times-frac
36×add-cube-cbrt
22×associate-+l+ log-prod
18×cbrt-prod
11×fma-def
sqrt-prod log-pow
distribute-lft-out-- difference-of-squares
pow1 pow-flip associate-/l*
associate-/r*
add-exp-log sqrt-pow1
exp-prod add-cbrt-cube add-log-exp
expm1-log1p-u associate-/r/ log1p-expm1-u div-inv distribute-lft-out
cbrt-undiv +-commutative associate-+l- log-div associate-+r+ flip3-- frac-2neg flip3-+ pow1/2 div-exp clear-num sum-log flip-- flip-+ fma-udef inv-pow
Counts
2 → 107
Calls
2 calls:
12.0ms
(/ (cbrt x0) (- 1.0 x1))
40.0ms
(+ (log (/ 1 (sqrt (exp x0)))) (fma (/ (cbrt x0) (- 1.0 x1)) (pow x0 2/3) (log (/ 1 (sqrt (exp x0))))))

series228.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(/ (cbrt x0) (- 1.0 x1))
141.0ms
(+ (log (/ 1 (sqrt (exp x0)))) (fma (/ (cbrt x0) (- 1.0 x1)) (pow x0 2/3) (log (/ 1 (sqrt (exp x0))))))

simplify46.0ms

Algorithm
egg-herbie
Counts
113 → 113
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
04991161
116731108
250021054

prune371.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 3.1b

regimes63.0ms

Accuracy

48.7% (1.1b remaining)

Error of 4.4b against oracle of 3.3b and baseline of 5.5b

bsearch21.0ms

Steps
ItersRangePoint
4
1.855
2.985
1.8749218749999998

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04352
14352

end0.0ms

sample683.0ms

Algorithm
intervals
Results
331.0ms4014×pre10240exit
119.0ms8000×body80valid
55.0ms3986×pre80true