Details

Time bar (total: 3.8s)

sample35.0ms

Algorithm
intervals
Results
19.0ms256×body80valid

simplify301.0ms

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: 29.4b

localize12.0ms

Local error

Found 2 expressions with local error:

4.7b
(- (* x x) (* (* y 4.0) y))
28.8b
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

rewrite48.0ms

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:
10.0ms
(- (* x x) (* (* y 4.0) y))
36.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

series155.0ms

Counts
2 → 6
Calls
2 calls:
68.0ms
(- (* x x) (* (* y 4.0) y))
87.0ms
(/ (- (* x x) (* (* y 4.0) y)) (fma x x (* (* y 4.0) y)))

simplify1.4s

Counts
54 → 54
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0901183
12461158
214541051
done50011047

prune258.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.3b

localize0.0ms

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

prune2.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.3b

localize0.0ms

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

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.3b

regimes58.0ms

Accuracy

51.4% (15.3b remaining)

Error of 16.0b against oracle of 0.7b and baseline of 32.2b

bsearch66.0ms

Steps
ItersRangePoint
7
178.15802652815583
6123.270275452558
1190.5763863372272
7
-13827171026.042707
-764667038.6266398
-2590647937.2036257

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0911
11411
done1411

end0.0ms

sample1.5s

Algorithm
intervals
Results
1.1s8000×body80valid