Details

Time bar (total: 10.3s)

sample50.0ms

Algorithm
intervals
Results
13.0ms28×body1280valid
10.0ms206×body80valid
8.0ms33×body640valid
3.0ms17×body320valid
3.0ms81×body80nan
1.0ms12×body160valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
01013
11813
22711
35411
410311
524011
656811
7165611
done500011

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.1b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (pow (/ y (+ z y)) y) y))
0.0b
(/ y (+ z y))
5.1b
(pow (/ y (+ z y)) y)

rewrite62.0ms

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:
47.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
5.0ms
(/ y (+ z y))
8.0ms
(pow (/ y (+ z y)) y)

series345.0ms

Counts
3 → 9
Calls
3 calls:
74.0ms
(+ x (/ (pow (/ y (+ z y)) y) y))
38.0ms
(/ y (+ z y))
233.0ms
(pow (/ y (+ z y)) y)

simplify1.5s

Counts
87 → 87
Iterations

Useful iterations: 3 (598.0ms)

IterNodesCost
01581091
13931024
2990970
32982964
done5001964

prune187.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.3b

localize6.0ms

Local error

Found 1 expressions with local error:

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

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
pow1 add-exp-log +-commutative add-sqr-sqrt add-cube-cbrt flip3-+ sum-log add-cbrt-cube flip-+ distribute-lft-out
Counts
1 → 12
Calls
1 calls:
8.0ms
(+ x (/ (exp (- z)) y))

series24.0ms

Counts
1 → 3
Calls
1 calls:
24.0ms
(+ x (/ (exp (- z)) y))

simplify2.0s

Counts
15 → 15
Iterations

Useful iterations: 4 (421.0ms)

IterNodesCost
038169
1102162
2233148
3589147
41869145
done5000145

prune39.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.3b

localize1.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune3.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (pow (/ 1 (* (cbrt (+ z y)) (cbrt (+ z y)))) y) (pow (/ y (cbrt (+ z y))) y))
0.6b
(cbrt (+ z y))
0.6b
(cbrt (+ z y))
0.6b
(cbrt (+ z y))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
92×add-exp-log
72×unpow-prod-down
70×add-sqr-sqrt
48×prod-exp
46×pow-exp
44×times-frac
42×*-un-lft-identity
31×associate-*r*
29×cbrt-prod
25×add-cube-cbrt div-exp unswap-sqr
20×cbrt-div
19×associate-*l*
13×pow-to-exp
12×sqr-pow
10×flip3-+ associate-/r/ flip-+
rec-exp 1-exp
add-cbrt-cube distribute-lft-out
pow1 frac-times add-log-exp
pow1/3
associate-*r/ associate-*l/ div-inv
pow-prod-down *-commutative cbrt-unprod
Counts
4 → 163
Calls
4 calls:
80.0ms
(* (pow (/ 1 (* (cbrt (+ z y)) (cbrt (+ z y)))) y) (pow (/ y (cbrt (+ z y))) y))
2.0ms
(cbrt (+ z y))
2.0ms
(cbrt (+ z y))
2.0ms
(cbrt (+ z y))

series1.1s

Counts
4 → 12
Calls
4 calls:
715.0ms
(* (pow (/ 1 (* (cbrt (+ z y)) (cbrt (+ z y)))) y) (pow (/ y (cbrt (+ z y))) y))
124.0ms
(cbrt (+ z y))
125.0ms
(cbrt (+ z y))
124.0ms
(cbrt (+ z y))

simplify825.0ms

Counts
175 → 175
Iterations

Useful iterations: done (819.0ms)

IterNodesCost
03014058
16903700
221473561
done50003553

prune513.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0.3b

regimes79.0ms

Accuracy

67.6% (1.5b remaining)

Error of 2.9b against oracle of 1.4b and baseline of 6.0b

bsearch104.0ms

Steps
ItersRangePoint
8
4.863985370127422e-140
3.751532506820157e-137
3.711281227157836e-137
10
-1.8186532677649703e+19
-1.046355961971052
-7.547170526470774

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02448
13342
done3342

end0.0ms

sample1.4s

Algorithm
intervals
Results
338.0ms772×body1280valid
304.0ms6537×body80valid
239.0ms942×body640valid
102.0ms3056×body80nan
90.0ms552×body320valid
36.0ms330×body160valid