Details

Time bar (total: 13.1s)

sample56.0ms

Algorithm
intervals
Results
22.0ms49×body1280valid
9.0ms39×body640valid
6.0ms150×body80valid
4.0ms27×body320valid
2.0ms76×body80nan
2.0ms15×body160valid

simplify1.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0811
11511
2249
3519
41079
52829
66519
733579
done50009

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.5b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ x y)) x) x)
0.0b
(/ x (+ x y))
5.2b
(pow (/ x (+ x y)) x)

rewrite46.0ms

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:
22.0ms
(/ (pow (/ x (+ x y)) x) x)
5.0ms
(/ x (+ x y))
7.0ms
(pow (/ x (+ x y)) x)

series414.0ms

Counts
3 → 9
Calls
3 calls:
137.0ms
(/ (pow (/ x (+ x y)) x) x)
46.0ms
(/ x (+ x y))
231.0ms
(pow (/ x (+ x y)) x)

simplify993.0ms

Counts
181 → 181
Iterations

Useful iterations: 2 (201.0ms)

IterNodesCost
02762881
15462708
225422650
done50002650

prune397.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
1.8b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
17×add-exp-log
15×*-un-lft-identity
13×unpow-prod-down
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt flip3-+ flip-+
associate-/r/
pow1 pow-exp
frac-times div-exp prod-exp add-cbrt-cube add-log-exp
pow-unpow pow1/3 distribute-lft-out
associate-*r/ associate-*l/
pow-to-exp pow-pow times-frac div-inv sqr-pow
Counts
4 → 73
Calls
4 calls:
2.0ms
(cbrt (+ x y))
2.0ms
(cbrt (+ x y))
2.0ms
(cbrt (+ x y))
14.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series727.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(cbrt (+ x y))
137.0ms
(cbrt (+ x y))
171.0ms
(cbrt (+ x y))
288.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify3.3s

Counts
85 → 85
Iterations

Useful iterations: 3 (529.0ms)

IterNodesCost
01651381
14011290
211731218
343341197
done50001197

prune303.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
4.0b
(log (/ (cbrt x) (cbrt (+ x y))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
56×cbrt-prod
50×*-un-lft-identity
48×log-prod
42×times-frac
34×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
add-exp-log
cbrt-div
pow1
add-cbrt-cube add-log-exp
flip3-+ pow1/3 flip-+
rem-log-exp associate-/r/
log-div div-exp log-pow div-inv
Counts
4 → 98
Calls
4 calls:
0.0ms
(cbrt x)
2.0ms
(cbrt (+ x y))
2.0ms
(cbrt (+ x y))
6.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

series509.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(cbrt x)
130.0ms
(cbrt (+ x y))
125.0ms
(cbrt (+ x y))
74.0ms
(log (/ (cbrt x) (cbrt (+ x y))))

simplify1.2s

Counts
110 → 110
Iterations

Useful iterations: 3 (350.0ms)

IterNodesCost
01921451
13601376
28681295
329431252
done50001252

prune387.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize4.0ms

Local error

Found 1 expressions with local error:

0.2b
(/ (exp (- y)) x)

rewrite6.0ms

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:
6.0ms
(/ (exp (- y)) x)

series19.0ms

Counts
1 → 3
Calls
1 calls:
19.0ms
(/ (exp (- y)) x)

simplify960.0ms

Counts
32 → 32
Iterations

Useful iterations: 3 (159.0ms)

IterNodesCost
064299
1118289
2376269
31830267
done5000267

prune55.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes62.0ms

Accuracy

99.1% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 5.9b

bsearch110.0ms

Steps
ItersRangePoint
9
0.017333574491892035
22276.40736340321
6065.989650930309
9
-3.2013068739419726e+46
-1.4117878169014387e+41
-3.987962172812385e+42

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02744
13444
done3444

end0.0ms

sample1.7s

Algorithm
intervals
Results
644.0ms1537×body1280valid
340.0ms1421×body640valid
197.0ms4888×body80valid
130.0ms843×body320valid
87.0ms3052×body80nan
49.0ms468×body160valid