Details

Time bar (total: 20.4s)

sample98.0ms

Algorithm
intervals
Results
31.0ms47×body1280valid
21.0ms52×body640valid
12.0ms165×body80valid
6.0ms24×body320valid
6.0ms110×body80nan
2.0ms12×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3499
41059
52419
65789
718549
done50009

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.8b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ x y)) x) x)
0.0b
(/ x (+ x y))
7.4b
(pow (/ x (+ x y)) x)

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
118×*-un-lft-identity
90×unpow-prod-down
80×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
19×distribute-lft-out
16×add-exp-log
12×associate-/r/
div-exp associate-/r* add-cbrt-cube div-inv
flip3-+ flip-+
sqr-pow
pow1 pow-exp
pow-unpow add-log-exp
cbrt-undiv pow-to-exp frac-2neg clear-num
pow-pow
Counts
3 → 172
Calls
3 calls:
46.0ms
(/ (pow (/ x (+ x y)) x) x)
13.0ms
(/ x (+ x y))
27.0ms
(pow (/ x (+ x y)) x)

series620.0ms

Counts
3 → 9
Calls
3 calls:
211.0ms
(/ (pow (/ x (+ x y)) x) x)
57.0ms
(/ x (+ x y))
351.0ms
(pow (/ x (+ x y)) x)

simplify1.4s

Counts
181 → 181
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02762881
15282708
214872650
done50002646

prune695.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.0b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite22.0ms

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 associate-/l/
pow1 cbrt-undiv neg-sub0 exp-neg frac-2neg exp-diff div-exp clear-num div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
21.0ms
(/ (exp (- y)) x)

series30.0ms

Counts
1 → 3
Calls
1 calls:
30.0ms
(/ (exp (- y)) x)

simplify2.9s

Counts
32 → 32
Iterations

Useful iterations: 3 (217.0ms)

IterNodesCost
064299
1117289
2281269
3680267
42766267
done5001267

prune99.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 1.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
2.0b
(pow (/ x (cbrt (+ x y))) x)

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
27×unpow-prod-down
24×cbrt-prod
22×add-sqr-sqrt add-cube-cbrt
21×times-frac
cbrt-div
add-exp-log
distribute-lft-out
pow1
flip3-+ add-cbrt-cube flip-+ add-log-exp
pow-unpow pow1/3
pow-exp associate-/r/
pow-to-exp pow-pow div-exp div-inv sqr-pow
Counts
4 → 84
Calls
4 calls:
8.0ms
(cbrt (+ x y))
16.0ms
(cbrt (+ x y))
8.0ms
(cbrt (+ x y))
28.0ms
(pow (/ x (cbrt (+ x y))) x)

series698.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(cbrt (+ x y))
214.0ms
(cbrt (+ x y))
179.0ms
(cbrt (+ x y))
159.0ms
(pow (/ x (cbrt (+ x y))) x)

simplify3.0s

Counts
96 → 96
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
02071387
14971298
212671262
341501249
done50011249

prune431.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize87.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (* (cbrt (+ x y)) (cbrt (+ x y))))
0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
20×cbrt-div
10×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
flip3-+ flip-+
pow1 add-exp-log frac-times pow1/3 add-cbrt-cube add-log-exp
associate-*r/ associate-*l/
Counts
4 → 50
Calls
4 calls:
28.0ms
(cbrt (* (cbrt (+ x y)) (cbrt (+ x y))))
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.3s

Counts
4 → 12
Calls
4 calls:
400.0ms
(cbrt (* (cbrt (+ x y)) (cbrt (+ x y))))
309.0ms
(cbrt x)
334.0ms
(cbrt x)
299.0ms
(cbrt x)

simplify2.0s

Counts
62 → 62
Iterations

Useful iterations: 4 (791.0ms)

IterNodesCost
0104597
1193572
2385534
3853522
42333520
done5000520

prune439.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes113.0ms

Accuracy

99.8% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 12.3b

bsearch128.0ms

Steps
ItersRangePoint
8
0.00013312118248051433
0.12160444842987421
0.12040142811151512
7
-123.41774798665298
-0.7718806003288846
-13.811744642352284

simplify25.0ms

Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
02863
13659
done3659

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.6s1549×body1280valid
829.0ms1489×body640valid
485.0ms4811×body80valid
223.0ms839×body320valid
174.0ms3131×body80nan
74.0ms446×body160valid