Details

Time bar (total: 13.5s)

sample18.0ms

Algorithm
intervals
Results
5.0ms199×body80valid
3.0ms26×body640valid
1.0ms18×body320valid
1.0ms10×body1280valid
0.0msbody160valid

simplify7.0s

Counts
1 → 1
Iterations

Useful iterations: 4 (24.0ms)

IterNodesCost
0811
11611
23511
37211
413710
524210
630810
739410
849210
965210
1073910
11108410
12485610
done500010

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 13.6b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- x 1.0) (+ y 1.0))
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
23×add-sqr-sqrt
20×times-frac
13×add-cube-cbrt
distribute-lft-out
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log associate-/r* add-cbrt-cube
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv flip3-- frac-2neg flip3-+ div-sub div-exp clear-num flip-- flip-+ fma-udef div-inv
Counts
2 → 58
Calls
2 calls:
12.0ms
(/ (- x 1.0) (+ y 1.0))
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

series97.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ (- x 1.0) (+ y 1.0))
67.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

simplify1.3s

Counts
64 → 64
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0114834
1277799
2727745
33031739
done5000738

prune148.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (fma (/ (- x 1.0) (+ y 1.0)) y 1.0))
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

rewrite2.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ (- x 1.0) (+ y 1.0)) y 1.0))
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

series405.0ms

Counts
4 → 12
Calls
4 calls:
218.0ms
(cbrt (fma (/ (- x 1.0) (+ y 1.0)) y 1.0))
61.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
63.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
62.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

simplify764.0ms

Counts
55 → 55
Iterations

Useful iterations: done (762.0ms)

IterNodesCost
076843
1182832
2474731
31596692
done5000690

prune177.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0))
4.0b
(+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0)
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
13.9b
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
cbrt-prod
cbrt-div flip3-+ flip-+ fma-udef
+-commutative fma-def pow1/3 sum-log
Counts
4 → 49
Calls
4 calls:
9.0ms
(cbrt (+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0))
9.0ms
(+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0)
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
0.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

series418.0ms

Counts
4 → 12
Calls
4 calls:
224.0ms
(cbrt (+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0))
68.0ms
(+ (* (/ (- x 1.0) (+ y 1.0)) y) 1.0)
63.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)
62.0ms
(fma (/ (- x 1.0) (+ y 1.0)) y 1.0)

simplify1.0s

Counts
61 → 61
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01041049
1264998
2725897
32596842
done5001840

prune209.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- 1.0 x) y)
1.4b
(- 1.0 (/ (* (- 1.0 x) y) (+ y 1.0)))
7.1b
(/ (* (- 1.0 x) y) (+ y 1.0))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
30×add-sqr-sqrt prod-diff
24×add-cube-cbrt
16×times-frac
10×add-exp-log add-cbrt-cube
associate-/r/
pow1 associate-*l* distribute-lft-out add-log-exp
flip3-+ associate-*l/ associate-/r* flip-+ div-inv
expm1-log1p-u flip3-- fma-neg associate-*r* flip-- log1p-expm1-u
cbrt-undiv div-exp prod-exp cbrt-unprod associate-/l/ distribute-lft-out-- difference-of-squares
sub-neg frac-2neg diff-log pow-prod-down clear-num *-commutative associate-/l* unswap-sqr
Counts
3 → 102
Calls
3 calls:
11.0ms
(* (- 1.0 x) y)
16.0ms
(- 1.0 (/ (* (- 1.0 x) y) (+ y 1.0)))
10.0ms
(/ (* (- 1.0 x) y) (+ y 1.0))

series144.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(* (- 1.0 x) y)
69.0ms
(- 1.0 (/ (* (- 1.0 x) y) (+ y 1.0)))
43.0ms
(/ (* (- 1.0 x) y) (+ y 1.0))

simplify797.0ms

Counts
111 → 111
Iterations

Useful iterations: 2 (238.0ms)

IterNodesCost
02022757
15232323
219661851
done50001851

prune190.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

regimes123.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.2b against oracle of 0.2b and baseline of 14.7b

bsearch85.0ms

Steps
ItersRangePoint
8
28638621.607503247
50024088429.266525
212488777.89840698
10
-7.884632933156152e+16
-925426.909356872
-198843285.26894423

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01941
12631
done2631

end0.0ms

sample476.0ms

Algorithm
intervals
Results
176.0ms6133×body80valid
72.0ms719×body640valid
44.0ms347×body1280valid
39.0ms515×body320valid
15.0ms286×body160valid