Details

Time bar (total: 21.2s)

sample74.0ms

Algorithm
intervals
Results
15.0ms219×body80valid
13.0ms35×body640valid
12.0ms22×body1280valid
5.0ms18×body320valid
4.0ms84×body80nan
2.0ms15×body160valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01013
11813
22711
35211
410811
524411
657711
7185011
done500011

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.6b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (+ z y))
0.0b
(+ x (/ (pow (/ y (+ z y)) y) y))
3.6b
(pow (/ y (+ z y)) y)

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
37×*-un-lft-identity
24×times-frac
21×add-sqr-sqrt add-cube-cbrt
18×unpow-prod-down
add-exp-log distribute-lft-out
add-cbrt-cube add-log-exp
pow1 associate-/r* associate-/r/
pow-unpow flip3-+ flip-+ associate-/l*
div-exp pow-exp div-inv
cbrt-undiv +-commutative pow-to-exp pow-pow frac-2neg clear-num sum-log sqr-pow
Counts
3 → 78
Calls
3 calls:
21.0ms
(/ y (+ z y))
115.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
25.0ms
(pow (/ y (+ z y)) y)

series412.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ y (+ z y))
90.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
263.0ms
(pow (/ y (+ z y)) y)

simplify2.2s

Counts
87 → 87
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
01581091
13901024
2978970
32783964
done5000964

prune282.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.5b

localize45.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
1.7b
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
17×add-exp-log
13×unpow-prod-down
12×cbrt-div
cbrt-prod add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-/r/
flip3-+ flip-+
pow1 pow-exp
frac-times div-exp prod-exp add-cbrt-cube add-log-exp
pow-unpow pow1/3
associate-*r/ associate-*l/
pow-to-exp pow-pow times-frac div-inv sqr-pow
Counts
4 → 64
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
2.0ms
(cbrt y)
52.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

series1.3s

Counts
4 → 12
Calls
4 calls:
261.0ms
(cbrt y)
339.0ms
(cbrt y)
313.0ms
(cbrt y)
383.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

simplify1.6s

Counts
76 → 76
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01501093
13591017
2805899
32403873
done5000869

prune345.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ z y))
0.6b
(cbrt y)
0.6b
(cbrt y)
4.4b
(log (/ (cbrt y) (cbrt (+ z y))))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
55×cbrt-prod
48×log-prod *-un-lft-identity
42×times-frac
34×add-sqr-sqrt add-cube-cbrt
add-exp-log distribute-lft-out
pow1
cbrt-div add-cbrt-cube add-log-exp
pow1/3
flip3-+ rem-log-exp associate-/r/ flip-+
log-div div-exp log-pow div-inv
Counts
4 → 95
Calls
4 calls:
4.0ms
(cbrt (+ z y))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
10.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

series805.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(cbrt (+ z y))
305.0ms
(cbrt y)
241.0ms
(cbrt y)
92.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

simplify2.6s

Counts
107 → 107
Iterations

Useful iterations: 4 (1.3s)

IterNodesCost
01961355
13721263
27131206
314691163
436071159
done50011159

prune641.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
10×add-sqr-sqrt add-cube-cbrt
times-frac
add-cbrt-cube add-log-exp
add-exp-log associate-/r* associate-/l*
pow1 associate-/l/
cbrt-undiv +-commutative neg-sub0 exp-neg frac-2neg flip3-+ exp-diff div-exp clear-num sum-log flip-+ div-inv distribute-lft-out
Counts
2 → 41
Calls
2 calls:
27.0ms
(/ (exp (- z)) y)
26.0ms
(+ x (/ (exp (- z)) y))

series53.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(/ (exp (- z)) y)
29.0ms
(+ x (/ (exp (- z)) y))

simplify4.6s

Counts
47 → 47
Iterations

Useful iterations: 4 (2.4s)

IterNodesCost
085468
1180441
2453414
31159412
44908411
done5000411

prune179.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes83.0ms

Accuracy

47% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 1.0b

bsearch59.0ms

Steps
ItersRangePoint
5
-1.1168504929064998e+61
-3.9318667429202374e+60
-5.528608899369224e+60

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02338
12938
done2938

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.2s6541×body80valid
620.0ms747×body1280valid
589.0ms992×body640valid
297.0ms3054×body80nan
225.0ms564×body320valid
64.0ms314×body160valid