Details

Time bar (total: 22.3s)

sample127.0ms

Algorithm
intervals
Results
43.0ms799×body80nan
11.0ms186×body80valid
9.0ms28×body640valid
8.0ms11×body1280valid
4.0ms23×body320valid
1.0ms11×body160valid

simplify361.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01213
12212
23812
35212
46012
57712
610512
715412
819812
922112
1023912
1124012
done24012

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.2b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.3b
(fma x (log y) (* z (log (- 1.0 y))))
4.5b
(log (- 1.0 y))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×log-prod
14×*-un-lft-identity
add-cube-cbrt
pow1
add-exp-log
distribute-rgt-in distribute-lft-in add-cbrt-cube
associate-*r*
expm1-log1p-u associate-*l* log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
log-div log-pow
flip3-- rem-log-exp pow-prod-down prod-exp *-commutative flip-- cbrt-unprod fma-udef unswap-sqr
Counts
3 → 59
Calls
3 calls:
15.0ms
(* z (log (- 1.0 y)))
0.0ms
(fma x (log y) (* z (log (- 1.0 y))))
6.0ms
(log (- 1.0 y))

series267.0ms

Counts
3 → 9
Calls
3 calls:
97.0ms
(* z (log (- 1.0 y)))
118.0ms
(fma x (log y) (* z (log (- 1.0 y))))
51.0ms
(log (- 1.0 y))

simplify3.0s

Counts
68 → 68
Iterations

Useful iterations: done (3.0s)

IterNodesCost
0148786
1325751
2771672
31745655
44610646
done5000645

prune321.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.2b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))
0.2b
(fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y)))))
6.9b
(* z (pow y 2))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
add-exp-log associate-*r*
add-cube-cbrt *-un-lft-identity
add-cbrt-cube
unpow-prod-down unswap-sqr
pow1 expm1-log1p-u associate-*l* prod-exp log1p-expm1-u add-log-exp
fma-udef unpow2 sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
Counts
3 → 49
Calls
3 calls:
0.0ms
(fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))
1.0ms
(fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y)))))
16.0ms
(* z (pow y 2))

series365.0ms

Counts
3 → 9
Calls
3 calls:
150.0ms
(fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))
164.0ms
(fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y)))))
51.0ms
(* z (pow y 2))

simplify1.2s

Counts
58 → 58
Iterations

Useful iterations: done (1.2s)

IterNodesCost
092892
1185863
2443746
31476739
done5001716

prune393.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize49.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))))
6.9b
(* z (pow y 2))
6.9b
(* z (pow y 2))
6.9b
(* z (pow y 2))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
24×associate-*r*
19×add-exp-log
14×add-cube-cbrt *-un-lft-identity
12×unpow-prod-down unswap-sqr
10×add-cbrt-cube
associate-*l* prod-exp
unpow2 sqr-pow
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-prod pow-to-exp pow-exp *-commutative cbrt-unprod
pow1/3
Counts
4 → 100
Calls
4 calls:
1.0ms
(cbrt (fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))))
16.0ms
(* z (pow y 2))
25.0ms
(* z (pow y 2))
25.0ms
(* z (pow y 2))

series1.3s

Counts
4 → 12
Calls
4 calls:
1.2s
(cbrt (fma x (log y) (fma -1/2 (/ (* z (pow y 2)) (pow 1.0 2)) (* z (- (log 1.0) (* 1.0 y))))))
32.0ms
(* z (pow y 2))
32.0ms
(* z (pow y 2))
39.0ms
(* z (pow y 2))

simplify1.5s

Counts
112 → 112
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01211263
12531188
25791037
316731027
done50011004

prune1.1s

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.2b

localize69.0ms

Local error

Found 4 expressions with local error:

6.9b
(* z (pow y 2))
6.9b
(* z (pow y 2))
6.9b
(* z (pow y 2))
6.9b
(* z (pow y 2))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt
32×associate-*r*
24×add-exp-log
16×add-cube-cbrt unpow-prod-down *-un-lft-identity unswap-sqr
12×associate-*l* prod-exp add-cbrt-cube
unpow2 sqr-pow
pow1 expm1-log1p-u pow-to-exp pow-exp *-commutative cbrt-unprod log1p-expm1-u add-log-exp
Counts
4 → 116
Calls
4 calls:
18.0ms
(* z (pow y 2))
25.0ms
(* z (pow y 2))
33.0ms
(* z (pow y 2))
25.0ms
(* z (pow y 2))

series174.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(* z (pow y 2))
49.0ms
(* z (pow y 2))
43.0ms
(* z (pow y 2))
40.0ms
(* z (pow y 2))

simplify3.8s

Counts
128 → 128
Iterations

Useful iterations: 4 (1.7s)

IterNodesCost
053976
1109884
2237752
3672752
43356740
done5001740

prune902.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.2b

regimes312.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01925
12225
done2225

end0.0ms

sample6.8s

Algorithm
intervals
Results
3.1s24209×body80nan
695.0ms5516×body80valid
483.0ms900×body640valid
423.0ms446×body1280valid
219.0ms723×body320valid
77.0ms449×body160valid