Details

Time bar (total: 20.2s)

sample74.0ms

Algorithm
intervals
Results
19.0ms22×body1280valid
15.0ms219×body80valid
13.0ms35×body640valid
5.0ms18×body320valid
4.0ms84×body80nan
2.0ms15×body160valid

simplify1.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
01013
11813
22711
35211
410811
524411
657711
7185011
done500011

prune8.0ms

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)

rewrite160.0ms

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:
20.0ms
(/ y (+ z y))
111.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
24.0ms
(pow (/ y (+ z y)) y)

series464.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ y (+ z y))
97.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
301.0ms
(pow (/ y (+ z y)) y)

simplify1.9s

Counts
87 → 87
Iterations

Useful iterations: 3 (971.0ms)

IterNodesCost
01581091
13901024
2978970
32783964
done5000964

prune281.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.5b

localize25.0ms

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)

rewrite40.0ms

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:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
35.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

series1.3s

Counts
4 → 12
Calls
4 calls:
337.0ms
(cbrt y)
272.0ms
(cbrt y)
266.0ms
(cbrt y)
387.0ms
(pow (/ (* (cbrt y) (cbrt y)) (* (cbrt (+ z y)) (cbrt (+ z y)))) y)

simplify1.5s

Counts
76 → 76
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01501093
13591017
2805899
32403873
done5000869

prune665.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

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))))

rewrite33.0ms

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:
8.0ms
(cbrt (+ z y))
2.0ms
(cbrt y)
2.0ms
(cbrt y)
14.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

series862.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(cbrt (+ z y))
255.0ms
(cbrt y)
306.0ms
(cbrt y)
126.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

simplify2.4s

Counts
107 → 107
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
01961355
13721263
27131206
314691163
436071159
done50011159

prune502.0ms

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))

rewrite50.0ms

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:
26.0ms
(/ (exp (- z)) y)
23.0ms
(+ x (/ (exp (- z)) y))

series53.0ms

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

simplify4.5s

Counts
47 → 47
Iterations

Useful iterations: 4 (2.3s)

IterNodesCost
085468
1180441
2453414
31159412
44908411
done5000411

prune172.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes99.0ms

Accuracy

47% (0.5b remaining)

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

bsearch56.0ms

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

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02338
12938
done2938

end0.0ms

sample3.3s

Algorithm
intervals
Results
933.0ms747×body1280valid
700.0ms6541×body80valid
568.0ms992×body640valid
331.0ms3054×body80nan
268.0ms564×body320valid
70.0ms314×body160valid