Details

Time bar (total: 13.5s)

sample97.0ms

Algorithm
intervals
Results
28.0ms194×body80valid
19.0ms27×body1280valid
12.0ms31×body640valid
6.0ms107×body80nan
5.0ms21×body320valid
2.0ms10×body160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11813
22711
35511
415211
548911
6197611
done500111

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ y (+ z y))
0.0b
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
0.1b
(* y (log (/ y (+ z y))))
5.4b
(log (/ y (+ z y)))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
67×*-un-lft-identity
54×log-prod
48×times-frac
41×add-sqr-sqrt
39×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in
14×distribute-lft-out
11×add-exp-log
pow1 associate-/r/ add-cbrt-cube
add-log-exp
flip3-+ flip-+
associate-*r* associate-/r* div-inv
associate-*l* associate-/l*
div-exp rem-log-exp log-pow
cbrt-undiv +-commutative log-div frac-2neg pow-prod-down prod-exp clear-num sum-log *-commutative cbrt-unprod unswap-sqr
Counts
4 → 129
Calls
4 calls:
21.0ms
(/ y (+ z y))
142.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
34.0ms
(* y (log (/ y (+ z y))))
9.0ms
(log (/ y (+ z y)))

series378.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ y (+ z y))
99.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
129.0ms
(* y (log (/ y (+ z y))))
94.0ms
(log (/ y (+ z y)))

simplify1.1s

Counts
141 → 141
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01991893
14511790
212981645
done50011600

prune452.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
2.4b
(log (/ (cbrt y) (cbrt (+ z y))))
2.4b
(log (/ (cbrt y) (cbrt (+ z y))))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
96×cbrt-prod log-prod
84×*-un-lft-identity times-frac
60×add-sqr-sqrt add-cube-cbrt
12×distribute-lft-out
10×add-exp-log
pow1
cbrt-div rem-log-exp associate-/r/ add-cbrt-cube add-log-exp
log-div flip3-+ pow1/3 div-exp log-pow flip-+ div-inv
Counts
4 → 140
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
9.0ms
(log (/ (cbrt y) (cbrt (+ z y))))
15.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

series822.0ms

Counts
4 → 12
Calls
4 calls:
302.0ms
(cbrt y)
284.0ms
(cbrt y)
108.0ms
(log (/ (cbrt y) (cbrt (+ z y))))
128.0ms
(log (/ (cbrt y) (cbrt (+ z y))))

simplify1.4s

Counts
152 → 152
Iterations

Useful iterations: 3 (462.0ms)

IterNodesCost
01732258
13182100
27842014
331641940
done50021940

prune637.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (/ (exp (- z)) y))
0.2b
(/ (exp (- z)) y)

rewrite47.0ms

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:
17.0ms
(+ x (/ (exp (- z)) y))
28.0ms
(/ (exp (- z)) y)

series67.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(+ x (/ (exp (- z)) y))
26.0ms
(/ (exp (- z)) y)

simplify622.0ms

Counts
47 → 47
Iterations

Useful iterations: done (620.0ms)

IterNodesCost
085468
1192441
2713414
done5000412

prune134.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (/ (exp (- z)) (sqrt y)) (sqrt y)))
0.1b
(/ (exp (- z)) (sqrt y))
0.1b
(/ (/ (exp (- z)) (sqrt y)) (sqrt y))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
276×times-frac
157×*-un-lft-identity
155×add-sqr-sqrt add-cube-cbrt
144×sqrt-prod
25×associate-/l*
12×associate-/r*
10×add-cbrt-cube
div-inv
add-exp-log
add-log-exp
cbrt-undiv div-exp
pow1 associate-/l/
frac-2neg clear-num
+-commutative neg-sub0 exp-neg flip3-+ exp-diff sum-log flip-+ distribute-lft-out
Counts
3 → 228
Calls
3 calls:
67.0ms
(+ x (/ (/ (exp (- z)) (sqrt y)) (sqrt y)))
16.0ms
(/ (exp (- z)) (sqrt y))
32.0ms
(/ (/ (exp (- z)) (sqrt y)) (sqrt y))

series174.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(+ x (/ (/ (exp (- z)) (sqrt y)) (sqrt y)))
78.0ms
(/ (exp (- z)) (sqrt y))
46.0ms
(/ (/ (exp (- z)) (sqrt y)) (sqrt y))

simplify1.7s

Counts
237 → 237
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03104564
17653959
237193736
done50003656

prune699.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.1b

regimes118.0ms

Accuracy

8.6% (1.0b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 1.2b

bsearch77.0ms

Steps
ItersRangePoint
8
6.708811424281629e-42
2.878149790245363e-37
2.8217207455530354e-37

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02237
12837
done2837

end0.0ms

sample3.4s

Algorithm
intervals
Results
735.0ms3036×body80nan
682.0ms6484×body80valid
649.0ms817×body1280valid
392.0ms879×body640valid
240.0ms592×body320valid
89.0ms321×body160valid