Details

Time bar (total: 11.2s)

sample13.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations
IterNodes
done7
17
05

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize6.0ms

Local error

Found 1 expressions with local error:

16.7b
(/ x (+ (* x x) 1.0))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt
associate-/r* add-cbrt-cube add-exp-log associate-/l*
associate-/r/
expm1-log1p-u pow1 cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ log1p-expm1-u div-inv add-log-exp
Counts
1 → 31
Calls
1 calls:
12.0ms
(/ x (+ (* x x) 1.0))

series77.0ms

Counts
1 → 3
Calls
1 calls:
77.0ms
(/ x (+ (* x x) 1.0))

simplify633.0ms

Counts
34 → 34
Iterations
IterNodes
done5000
2808
1189
076

prune137.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (sqrt (fma x x 1.0)))
0.0b
(* (/ 1 (sqrt (fma x x 1.0))) (/ x (sqrt (fma x x 1.0))))
16.6b
(sqrt (fma x x 1.0))
16.6b
(sqrt (fma x x 1.0))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
95×add-sqr-sqrt
76×times-frac
53×*-un-lft-identity
47×add-cube-cbrt sqrt-prod
30×add-exp-log
22×associate-*r* associate-*l*
18×add-cbrt-cube
15×unswap-sqr
10×pow1 div-exp
prod-exp
associate-/r*
cbrt-undiv
expm1-log1p-u cbrt-unprod log1p-expm1-u add-log-exp
rec-exp sqrt-pow1 pow1/2 1-exp div-inv pow-flip associate-/l*
rem-sqrt-square
frac-times clear-num frac-2neg pow-prod-down associate-*l/ associate-*r/ *-commutative inv-pow
Counts
4 → 162
Calls
4 calls:
6.0ms
(/ 1 (sqrt (fma x x 1.0)))
46.0ms
(* (/ 1 (sqrt (fma x x 1.0))) (/ x (sqrt (fma x x 1.0))))
2.0ms
(sqrt (fma x x 1.0))
3.0ms
(sqrt (fma x x 1.0))

series356.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(/ 1 (sqrt (fma x x 1.0)))
100.0ms
(* (/ 1 (sqrt (fma x x 1.0))) (/ x (sqrt (fma x x 1.0))))
79.0ms
(sqrt (fma x x 1.0))
80.0ms
(sqrt (fma x x 1.0))

simplify2.0s

Counts
174 → 174
Iterations
IterNodes
done5001
24147
1621
0208

prune622.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ 1 (/ (fma x x 1.0) x))
16.6b
(/ (fma x x 1.0) x)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
52×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
16×associate-/r*
15×add-exp-log
add-cbrt-cube
div-exp
div-inv associate-/l*
cbrt-undiv
pow1
expm1-log1p-u rec-exp clear-num frac-2neg 1-exp log1p-expm1-u add-log-exp
associate-/r/ pow-flip inv-pow
Counts
2 → 107
Calls
2 calls:
16.0ms
(/ 1 (/ (fma x x 1.0) x))
7.0ms
(/ (fma x x 1.0) x)

series209.0ms

Counts
2 → 6
Calls
2 calls:
79.0ms
(/ 1 (/ (fma x x 1.0) x))
131.0ms
(/ (fma x x 1.0) x)

simplify991.0ms

Counts
113 → 113
Iterations
IterNodes
done5000
21803
1408
0168

prune305.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ 1 x) (/ 1.0 (pow x 3)))
0.0b
(/ 1.0 (pow x 5))
0.1b
(/ 1.0 (pow x 3))
15.8b
(+ (/ 1.0 (pow x 5)) (- (/ 1 x) (/ 1.0 (pow x 3))))

rewrite592.0ms

Algorithm
rewrite-expression-head
Rules
1770×times-frac
1242×add-sqr-sqrt
1223×*-un-lft-identity
1198×add-cube-cbrt
1040×prod-diff
522×associate-+r+
270×unpow-prod-down
249×cube-prod
112×div-inv
92×sqr-pow
82×cube-mult unpow3
25×fma-def
19×associate-/r*
15×difference-of-squares
14×add-exp-log
13×fma-neg
11×add-log-exp
add-cbrt-cube
div-exp associate-/l* distribute-lft-out--
expm1-log1p-u pow1 log1p-expm1-u distribute-lft-out
frac-add
pow-to-exp cbrt-undiv clear-num sum-log sub-neg frac-2neg flip3-- diff-log pow-exp frac-sub flip--
+-commutative associate-+r- flip3-+ flip-+
Counts
4 → 1249
Calls
4 calls:
84.0ms
(- (/ 1 x) (/ 1.0 (pow x 3)))
6.0ms
(/ 1.0 (pow x 5))
8.0ms
(/ 1.0 (pow x 3))
308.0ms
(+ (/ 1.0 (pow x 5)) (- (/ 1 x) (/ 1.0 (pow x 3))))

series320.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(- (/ 1 x) (/ 1.0 (pow x 3)))
79.0ms
(/ 1.0 (pow x 5))
86.0ms
(/ 1.0 (pow x 3))
63.0ms
(+ (/ 1.0 (pow x 5)) (- (/ 1 x) (/ 1.0 (pow x 3))))

simplify1.3s

Counts
1261 → 1261
Iterations
IterNodes
done5000
12518
01137

prune2.8s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes57.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 14.6b

bsearch112.0ms

Steps
ItersRangePoint
8
5.1212688054922095
257785.57693934403
726.4607531112061
8
-346749.28651926527
-205.8624528279525
-3116.202715780454

simplify5.0ms

Iterations
IterNodes
done30
130
023

end0.0ms

sample539.0ms

Algorithm
intervals
Results
354.0ms8000×body80valid