Details

Time bar (total: 4.8s)

sample74.0ms

Algorithm
intervals
Results
27.0ms57×body1280valid
13.0ms51×body640valid
10.0ms154×body80valid
5.0ms32×body320valid
4.0ms120×body80nan
2.0ms15×body160valid

simplify133.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 4 (12.0ms)

IterNodesCost
0156
1246
2516
31066
43044
57744
641424
750014

prune5.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 14.1b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ x (+ x y))
7.1b
(pow (/ x (+ x y)) x)

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
24×times-frac
20×add-sqr-sqrt add-cube-cbrt
18×unpow-prod-down
add-exp-log distribute-lft-out
associate-/r* associate-/r/ add-cbrt-cube
pow1 pow-unpow associate-/l*
flip3-+ div-exp pow-exp flip-+ div-inv add-log-exp
cbrt-undiv pow-to-exp pow-pow frac-2neg clear-num sqr-pow
Counts
2 → 66
Calls
2 calls:
6.0ms
(/ x (+ x y))
8.0ms
(pow (/ x (+ x y)) x)

series324.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ x (+ x y))
277.0ms
(pow (/ x (+ x y)) x)

simplify51.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
0309402
11244387
25002386

prune149.0ms

Filtered
72 candidates to 50 candidates (69.4%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New68472
Fresh000
Picked101
Done000
Total69473

Merged error: 0.3b

Counts
73 → 4

localize5.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (exp (* -1 y)) x)

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
associate-/r* add-cbrt-cube associate-/l*
add-exp-log
pow1 cbrt-undiv exp-neg frac-2neg mul-1-neg div-exp clear-num div-inv associate-/l/ add-log-exp
Counts
1 → 28
Calls
1 calls:
4.0ms
(/ (exp (* -1 y)) x)

series23.0ms

Counts
1 → 3
Calls
1 calls:
23.0ms
(/ (exp (* -1 y)) x)

simplify59.0ms

Algorithm
egg-herbie
Counts
31 → 31
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0114186
1303172
21465170
35003170

prune75.0ms

Filtered
31 candidates to 23 candidates (74.2%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New29231
Fresh033
Picked101
Done000
Total30535

Merged error: 0.3b

Counts
35 → 5

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* x (exp y))
0.0b
(/ 1 (* x (exp y)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
11×add-exp-log
add-cbrt-cube
add-sqr-sqrt
pow1
add-cube-cbrt *-un-lft-identity
div-exp prod-exp
times-frac associate-*r* associate-*l* associate-/l*
cbrt-undiv rec-exp pow-flip 1-exp pow-prod-down cbrt-unprod add-log-exp
frac-2neg clear-num associate-/r* *-commutative div-inv inv-pow unswap-sqr
Counts
2 → 46
Calls
2 calls:
5.0ms
(* x (exp y))
6.0ms
(/ 1 (* x (exp y)))

series58.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(* x (exp y))
27.0ms
(/ 1 (* x (exp y)))

simplify115.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0173203
1786170
24230163
35001163

prune79.0ms

Filtered
52 candidates to 29 candidates (55.8%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New51152
Fresh044
Picked011
Done000
Total51657

Merged error: 0.3b

Counts
57 → 6

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.2b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.7b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
61×unpow-prod-down
51×cbrt-prod
48×*-un-lft-identity
43×times-frac
36×add-sqr-sqrt add-cube-cbrt
20×add-exp-log
14×cbrt-div
10×associate-/r/
flip3-+ pow-exp flip-+
pow1 pow-unpow distribute-lft-out
div-exp
frac-times prod-exp add-cbrt-cube add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 116
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
12.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
19.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.1s

Counts
4 → 12
Calls
4 calls:
203.0ms
(cbrt x)
201.0ms
(cbrt x)
319.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
336.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify85.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 2 (62.0ms)

IterNodesCost
06911334
121641266
250011235

prune388.0ms

Filtered
128 candidates to 88 candidates (68.8%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1271128
Fresh314
Picked101
Done011
Total1313134

Merged error: 0.0b

Counts
134 → 3

regimes59.0ms

Accuracy

97.6% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 6.3b

bsearch140.0ms

Steps
ItersRangePoint
9
1.2774642312839134e-06
1.9435667087631803
1.9234455677719884
10
-1.2865710840676908e+74
-2.585852377202543e+56
-2.4296307746992404e+61

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03418
13418

end0.0ms

sample1.8s

Algorithm
intervals
Results
657.0ms1479×body1280valid
384.0ms1488×body640valid
219.0ms4831×body80valid
144.0ms869×body320valid
97.0ms2996×body80nan
46.0ms445×body160valid