Details

Time bar (total: 7.4s)

sample34.0ms

Algorithm
intervals
Results
16.0ms256×body80valid

simplify305.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
0919
11918
23918
37718
413118
519318
623418
724218
done24218

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.1b

localize11.0ms

Local error

Found 2 expressions with local error:

4.8b
(- (* x x) (* (* y 4.0) y))
29.5b
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u associate-/l/
cbrt-undiv sub-neg frac-2neg fma-neg diff-log div-sub div-exp prod-diff clear-num div-inv
Counts
2 → 48
Calls
2 calls:
9.0ms
(- (* x x) (* (* y 4.0) y))
28.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

series160.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(- (* x x) (* (* y 4.0) y))
101.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

simplify1.3s

Counts
54 → 54
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0901183
12461158
214541051
done50011047

prune234.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize28.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (pow y 2) 4.0)
2.3b
(fma x x (- (* y (* y 4.0))))
29.5b
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity
10×add-exp-log
times-frac
associate-*l*
add-cbrt-cube
unpow-prod-down unswap-sqr
pow1 expm1-log1p-u associate-*r* prod-exp associate-/r* log1p-expm1-u associate-/l* add-log-exp
unpow2 sqr-pow
cbrt-undiv pow-to-exp frac-2neg div-exp pow-exp clear-num *-commutative cbrt-unprod fma-udef div-inv
Counts
3 → 68
Calls
3 calls:
26.0ms
(* (pow y 2) 4.0)
1.0ms
(fma x x (- (* y (* y 4.0))))
11.0ms
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

series233.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(* (pow y 2) 4.0)
73.0ms
(fma x x (- (* y (* y 4.0))))
119.0ms
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

simplify776.0ms

Counts
77 → 77
Iterations

Useful iterations: 2 (147.0ms)

IterNodesCost
01111226
12111198
28811075
done50011075

prune338.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (pow y 2) 4.0)
0.0b
(cbrt (pow (/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0))) 3))
2.3b
(fma x x (- (* y (* y 4.0))))
29.5b
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
32×cbrt-prod
30×add-cube-cbrt *-un-lft-identity
27×times-frac
17×unpow-prod-down
13×cube-prod
11×add-exp-log
associate-*l* add-cbrt-cube
pow1 expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
associate-*r* prod-exp associate-/r* div-inv associate-/l* sqr-pow
unpow2
cbrt-undiv cube-div cube-mult pow-to-exp cbrt-div frac-2neg pow1/3 unpow3 div-exp pow-exp clear-num *-commutative rem-cbrt-cube cbrt-unprod fma-udef
Counts
4 → 112
Calls
4 calls:
18.0ms
(* (pow y 2) 4.0)
6.0ms
(cbrt (pow (/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0))) 3))
0.0ms
(fma x x (- (* y (* y 4.0))))
6.0ms
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

series397.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(* (pow y 2) 4.0)
114.0ms
(cbrt (pow (/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0))) 3))
75.0ms
(fma x x (- (* y (* y 4.0))))
147.0ms
(/ (fma x x (- (* y (* y 4.0)))) (fma x x (* (pow y 2) 4.0)))

simplify1.6s

Counts
124 → 124
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01772965
14552580
225192413
done50012365

prune530.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.5b

localize2.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune0.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.5b

regimes129.0ms

Accuracy

61.7% (12.2b remaining)

Error of 12.6b against oracle of 0.4b and baseline of 32.3b

bsearch266.0ms

Steps
ItersRangePoint
9
5.544110015415869e+89
8.73093819312065e+95
6.052303689076668e+95
9
2.507054277993032e-156
3.616730134671116e-149
1.2958981514480286e-152
8
-2.895351554843775e-99
-1.1436941264463758e-103
-6.621300319852041e-102
10
-7.015537041391403e+155
-1.2785578264641574e+145
-1.517398075841732e+145

simplify15.0ms

Iterations

Useful iterations: 1 (6.0ms)

IterNodesCost
02863
13855
24655
done4655

end0.0ms

sample950.0ms

Algorithm
intervals
Results
643.0ms8000×body80valid