Details

Time bar (total: 15.3s)

sample110.0ms

Algorithm
intervals
Results
42.0ms867×body80nan
10.0ms37×body640valid
9.0ms172×body80valid
7.0ms12×body1280valid
3.0ms18×body320valid
2.0ms20×body160valid

simplify202.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01213
12212
23712
34712
45512
57212
610312
714912
818912
921212
1023312
1123712
done23712

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.9b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
0.0b
(* z (log (- 1.0 y)))
0.2b
(* x (log y))
5.6b
(log (- 1.0 y))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
28×*-un-lft-identity
21×log-prod
20×add-cube-cbrt
11×pow1
add-exp-log prod-diff add-log-exp
distribute-rgt-in distribute-lft-in associate-*r* add-cbrt-cube
associate-*l*
expm1-log1p-u log1p-expm1-u distribute-lft-out-- difference-of-squares
fma-neg log-pow
log-div flip3-- diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
sub-neg rem-log-exp associate--l+ sum-log
Counts
4 → 106
Calls
4 calls:
19.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
7.0ms
(* z (log (- 1.0 y)))
4.0ms
(* x (log y))
3.0ms
(log (- 1.0 y))

series290.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(- (+ (* x (log y)) (* z (log (- 1.0 y)))) t)
76.0ms
(* z (log (- 1.0 y)))
46.0ms
(* x (log y))
57.0ms
(log (- 1.0 y))

simplify1.7s

Counts
118 → 118
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02411599
15161423
212871237
337891136
done50011134

prune373.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
0.0b
(* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))
0.2b
(* x (log y))
8.0b
(* z (pow y 2))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
51×add-exp-log
31×add-sqr-sqrt
26×prod-exp
24×associate-*r* associate--l+
21×add-cube-cbrt associate-+r+ *-un-lft-identity
18×log-prod
17×add-cbrt-cube
15×distribute-rgt-in distribute-lft-in
12×div-exp
11×pow1
associate-*l* prod-diff add-log-exp
pow-to-exp times-frac pow-exp
unpow-prod-down
associate-+l+ cbrt-unprod unswap-sqr
expm1-log1p-u log1p-expm1-u
sub-neg log-pow *-commutative unpow2 sqr-pow
cbrt-undiv pow-prod-down sum-log
+-commutative associate-+r- fma-def flip3-+ diff-log associate-*r/ flip-+ div-inv
Counts
4 → 143
Calls
4 calls:
15.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
13.0ms
(* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))
4.0ms
(* x (log y))
6.0ms
(* z (pow y 2))

series291.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))))
72.0ms
(* 1/2 (/ (* z (pow y 2)) (pow 1.0 2)))
42.0ms
(* x (log y))
38.0ms
(* z (pow y 2))

simplify833.0ms

Counts
155 → 155
Iterations

Useful iterations: 2 (276.0ms)

IterNodesCost
02702165
16111957
217641767
done50011767

prune605.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.1b

localize26.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt y)
0.7b
(cbrt y)
0.7b
(cbrt y)
8.0b
(* z (pow y 2))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
add-exp-log cbrt-prod
associate-*r*
add-cbrt-cube
pow1 expm1-log1p-u unpow-prod-down log1p-expm1-u add-log-exp unswap-sqr
pow1/3 associate-*l* prod-exp
unpow2 sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
Counts
4 → 68
Calls
4 calls:
0.0ms
(cbrt y)
0.0ms
(cbrt y)
0.0ms
(cbrt y)
6.0ms
(* z (pow y 2))

series641.0ms

Counts
4 → 12
Calls
4 calls:
201.0ms
(cbrt y)
205.0ms
(cbrt y)
201.0ms
(cbrt y)
34.0ms
(* z (pow y 2))

simplify3.0s

Counts
80 → 80
Iterations

Useful iterations: 3 (190.0ms)

IterNodesCost
074457
1146422
2353369
3883358
43830358
done5001358

prune419.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.1b

localize23.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
8.0b
(* z (pow y 2))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
add-exp-log cbrt-prod
associate-*r*
add-cbrt-cube
pow1 expm1-log1p-u unpow-prod-down log1p-expm1-u add-log-exp unswap-sqr
pow1/3 associate-*l* prod-exp
unpow2 sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
Counts
4 → 68
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
0.0ms
(cbrt x)
6.0ms
(* z (pow y 2))

series604.0ms

Counts
4 → 12
Calls
4 calls:
198.0ms
(cbrt x)
186.0ms
(cbrt x)
185.0ms
(cbrt x)
36.0ms
(* z (pow y 2))

simplify2.5s

Counts
80 → 80
Iterations

Useful iterations: 4 (931.0ms)

IterNodesCost
078457
1150422
2360371
3855362
43473359
done5001359

prune360.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.1b

regimes174.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02435
12935
done2935

end0.0ms

sample2.9s

Algorithm
intervals
Results
1.1s23984×body80nan
292.0ms5578×body80valid
251.0ms844×body640valid
228.0ms381×body1280valid
132.0ms755×body320valid
51.0ms474×body160valid