Details

Time bar (total: 17.6s)

sample93.0ms

Algorithm
intervals
Results
24.0ms31×body1280valid
18.0ms210×body80valid
15.0ms33×body640valid
6.0ms95×body80nan
4.0ms12×body320valid
2.0ms10×body160valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
010343
118343
227343
354343
4152343
5507343
62094343
done5001343

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.7b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
0.0b
(/ y (+ z y))
0.1b
(* y (log (/ y (+ z y))))
7.6b
(log (/ y (+ z y)))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
68×*-un-lft-identity
54×log-prod
48×times-frac
42×add-sqr-sqrt
40×add-cube-cbrt
18×distribute-rgt-in distribute-lft-in
14×distribute-lft-out
11×add-exp-log
pow1 add-cbrt-cube associate-/r/
add-log-exp
flip3-+ flip-+
expm1-log1p-u associate-/r* associate-*r* log1p-expm1-u div-inv
fma-def associate-*l* associate-/l*
div-exp rem-log-exp log-pow
cbrt-undiv +-commutative log-div clear-num sum-log frac-2neg pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 140
Calls
4 calls:
115.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
22.0ms
(/ y (+ z y))
31.0ms
(* y (log (/ y (+ z y))))
10.0ms
(log (/ y (+ z y)))

series390.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(+ x (/ (exp (* y (log (/ y (+ z y))))) y))
59.0ms
(/ y (+ z y))
123.0ms
(* y (log (/ y (+ z y))))
75.0ms
(log (/ y (+ z y)))

simplify1.5s

Counts
152 → 152
Iterations

Useful iterations: done (1.5s)

IterNodesCost
020749043
146545187
2133544736
done500144696

prune981.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ x (/ (exp 0) y))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
fma-def add-log-exp
add-sqr-sqrt add-cube-cbrt
expm1-log1p-u pow1 +-commutative sum-log flip3-+ add-cbrt-cube add-exp-log flip-+ log1p-expm1-u distribute-lft-out
Counts
1 → 17
Calls
1 calls:
18.0ms
(+ x (/ (exp 0) y))

series26.0ms

Counts
1 → 3
Calls
1 calls:
26.0ms
(+ x (/ (exp 0) y))

simplify2.1s

Counts
20 → 20
Iterations

Useful iterations: 3 (686.0ms)

IterNodesCost
0324005
1842559
23202534
324422509
done50012509

prune117.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 2 expressions with local error:

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

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
times-frac
add-cbrt-cube add-log-exp
associate-/r* fma-def add-exp-log associate-/l*
expm1-log1p-u pow1 log1p-expm1-u associate-/l/
neg-sub0 exp-neg cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-+ exp-diff div-exp flip-+ div-inv distribute-lft-out
Counts
2 → 48
Calls
2 calls:
11.0ms
(+ x (/ (exp (- z)) y))
11.0ms
(/ (exp (- z)) y)

series53.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(+ x (/ (exp (- z)) y))
27.0ms
(/ (exp (- z)) y)

simplify934.0ms

Counts
54 → 54
Iterations

Useful iterations: done (931.0ms)

IterNodesCost
08913952
120012960
274712746
done500012666

prune317.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ z y))
0.5b
(cbrt (+ z y))
0.6b
(* (cbrt (+ z y)) (cbrt (+ z y)))
30.4b
(log (/ (/ y (* (cbrt (+ z y)) (cbrt (+ z y)))) (cbrt (+ z y))))

rewrite90.0ms

Algorithm
rewrite-expression-head
Rules
126×times-frac
111×log-prod
107×*-un-lft-identity
102×cbrt-div
92×cbrt-prod
67×add-sqr-sqrt
59×add-cube-cbrt
58×associate-/r/
51×flip3-+ flip-+
32×frac-times
23×distribute-lft-out
16×associate-*l/ associate-*r/ add-exp-log
12×pow1
swap-sqr
pow1/3 div-inv
associate-*r* associate-*l*
div-exp
expm1-log1p-u add-cbrt-cube rem-log-exp log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down prod-exp pow-sqr pow-prod-up
pow2 log-div pow-plus log-pow *-commutative cbrt-unprod
Counts
4 → 213
Calls
4 calls:
3.0ms
(cbrt (+ z y))
3.0ms
(cbrt (+ z y))
30.0ms
(* (cbrt (+ z y)) (cbrt (+ z y)))
39.0ms
(log (/ (/ y (* (cbrt (+ z y)) (cbrt (+ z y)))) (cbrt (+ z y))))

series766.0ms

Counts
4 → 12
Calls
4 calls:
200.0ms
(cbrt (+ z y))
196.0ms
(cbrt (+ z y))
270.0ms
(* (cbrt (+ z y)) (cbrt (+ z y)))
100.0ms
(log (/ (/ y (* (cbrt (+ z y)) (cbrt (+ z y)))) (cbrt (+ z y))))

simplify2.8s

Counts
225 → 225
Iterations

Useful iterations: done (2.7s)

IterNodesCost
0445154042
11058129814
24004128327
done5000128205

prune1.6s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes167.0ms

Accuracy

67.6% (0.7b remaining)

Error of 0.8b against oracle of 0.1b and baseline of 2.2b

bsearch55.0ms

Steps
ItersRangePoint
9
17717782.309850607
12913262010494.463
18035828.612908237

simplify4.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
016555
119485
done19485

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.1s6571×body80valid
714.0ms742×body1280valid
399.0ms943×body640valid
237.0ms550×body320valid
189.0ms3033×body80nan
59.0ms338×body160valid