Details

Time bar (total: 22.7s)

sample90.0ms

Algorithm
intervals
Results
30.0ms54×body1280valid
19.0ms54×body640valid
10.0ms153×body80valid
6.0ms30×body320valid
5.0ms99×body80nan
3.0ms19×body160valid

simplify2.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
0811
11511
2249
3499
41079
52459
65809
718509
done50009

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.5b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ x y)) x) x)
0.0b
(/ x (+ x y))
6.7b
(pow (/ x (+ x y)) x)

rewrite106.0ms

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
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
cbrt-undiv pow-to-exp frac-2neg clear-num
pow-pow
Counts
3 → 178
Calls
3 calls:
56.0ms
(/ (pow (/ x (+ x y)) x) x)
16.0ms
(/ x (+ x y))
24.0ms
(pow (/ x (+ x y)) x)

series626.0ms

Counts
3 → 9
Calls
3 calls:
211.0ms
(/ (pow (/ x (+ x y)) x) x)
60.0ms
(/ x (+ x y))
354.0ms
(pow (/ x (+ x y)) x)

simplify1.6s

Counts
187 → 187
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02822929
15452745
215522688
done50002684

prune608.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)
2.1b
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

rewrite91.0ms

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
expm1-log1p-u frac-times prod-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow-to-exp pow-pow pow1/3 associate-*r/ associate-*l/ div-inv sqr-pow
Counts
4 → 124
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
28.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
53.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
291.0ms
(cbrt x)
266.0ms
(cbrt x)
407.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)
439.0ms
(pow (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))) x)

simplify3.7s

Counts
136 → 136
Iterations

Useful iterations: done (3.7s)

IterNodesCost
03012387
16952215
215351993
345211983
done50001980

prune638.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
1.1b
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
1.1b
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
1.1b
(pow (/ (cbrt x) (cbrt (+ x y))) x)

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
54×unpow-prod-down
49×*-un-lft-identity
48×cbrt-prod
42×times-frac
37×add-sqr-sqrt add-cube-cbrt
add-exp-log pow-unpow
pow1
distribute-lft-out
expm1-log1p-u pow-exp add-cbrt-cube log1p-expm1-u add-log-exp
pow-to-exp pow-pow sqr-pow
cbrt-div associate-/r/
flip3-+ pow1/3 div-exp flip-+ div-inv
Counts
4 → 116
Calls
4 calls:
2.0ms
(cbrt x)
6.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
5.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
26.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)

series712.0ms

Counts
4 → 12
Calls
4 calls:
209.0ms
(cbrt x)
35.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
51.0ms
(pow (fabs (/ (cbrt x) (cbrt (+ x y)))) x)
416.0ms
(pow (/ (cbrt x) (cbrt (+ x y))) x)

simplify3.4s

Counts
128 → 128
Iterations

Useful iterations: done (3.4s)

IterNodesCost
02472050
15411914
211381855
329981850
done50011843

prune641.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 1 expressions with local error:

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

rewrite26.0ms

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 expm1-log1p-u frac-2neg exp-diff div-exp clear-num log1p-expm1-u div-inv add-log-exp
Counts
1 → 31
Calls
1 calls:
24.0ms
(/ (exp (- y)) x)

series38.0ms

Counts
1 → 3
Calls
1 calls:
38.0ms
(/ (exp (- y)) x)

simplify2.9s

Counts
34 → 34
Iterations

Useful iterations: 3 (227.0ms)

IterNodesCost
066311
1120300
2293280
3709278
42815278
done5002278

prune117.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes53.0ms

Accuracy

81.9% (1.0b remaining)

Error of 1.0b against oracle of 0.0b and baseline of 5.4b

bsearch187.0ms

Steps
ItersRangePoint
9
1.2167838917470026e-32
2.9088581115424155e-25
2.859517489315194e-25
9
-1.1336114390675675e+140
-1.3239866454658551e+135
-1.335604954605443e+135

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02355
12948
done2948

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.5s1522×body1280valid
637.0ms1422×body640valid
439.0ms4873×body80valid
260.0ms877×body320valid
235.0ms3017×body80nan
145.0ms427×body160valid