Details

Time bar (total: 10.6s)

sample13.0ms

Algorithm
intervals
Results
6.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations
IterNodes
done6
16
05

prune2.0ms

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/
pow1 cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
12.0ms
(/ x (+ (* x x) 1.0))

series82.0ms

Counts
1 → 3
Calls
1 calls:
82.0ms
(/ x (+ (* x x) 1.0))

simplify1.5s

Counts
32 → 32
Iterations
IterNodes
done5000
2783
1183
074

prune116.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize24.0ms

Local error

Found 4 expressions with local error:

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

rewrite116.0ms

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
24×associate-*r* associate-*l*
18×add-cbrt-cube
15×unswap-sqr
10×pow1 sqrt-div div-exp
prod-exp
associate-/r* associate-/r/
cbrt-undiv flip3-+ flip-+
cbrt-unprod 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 → 164
Calls
4 calls:
18.0ms
(/ 1 (sqrt (+ 1.0 (* x x))))
78.0ms
(* (/ 1 (sqrt (+ 1.0 (* x x)))) (/ x (sqrt (+ 1.0 (* x x)))))
4.0ms
(sqrt (+ 1.0 (* x x)))
4.0ms
(sqrt (+ 1.0 (* x x)))

series381.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(/ 1 (sqrt (+ 1.0 (* x x))))
108.0ms
(* (/ 1 (sqrt (+ 1.0 (* x x)))) (/ x (sqrt (+ 1.0 (* x x)))))
76.0ms
(sqrt (+ 1.0 (* x x)))
64.0ms
(sqrt (+ 1.0 (* x x)))

simplify2.4s

Counts
176 → 176
Iterations
IterNodes
done5000
24410
1689
0224

prune577.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize19.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ 1 (/ (+ 1.0 (* x x)) x))
16.6b
(/ (+ 1.0 (* x x)) x)

rewrite37.0ms

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
rec-exp clear-num frac-2neg 1-exp add-log-exp associate-/l/
flip3-+ associate-/r/ flip-+ pow-flip inv-pow
Counts
2 → 105
Calls
2 calls:
11.0ms
(/ 1 (/ (+ 1.0 (* x x)) x))
22.0ms
(/ (+ 1.0 (* x x)) x)

series188.0ms

Counts
2 → 6
Calls
2 calls:
85.0ms
(/ 1 (/ (+ 1.0 (* x x)) x))
103.0ms
(/ (+ 1.0 (* x x)) x)

simplify1.1s

Counts
111 → 111
Iterations
IterNodes
done5000
22306
1463
0172

prune345.0ms

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

rewrite715.0ms

Algorithm
rewrite-expression-head
Rules
109×add-sqr-sqrt
97×times-frac
69×*-un-lft-identity
47×add-cube-cbrt
33×unpow-prod-down
20×difference-of-squares
19×associate-/r*
17×sqr-pow
16×cube-prod
14×add-exp-log
11×add-log-exp
add-cbrt-cube distribute-lft-out--
div-exp div-inv associate-/l*
distribute-lft-out
cube-mult pow1 unpow3
frac-add
pow-to-exp cbrt-undiv associate-+l+ clear-num sum-log sub-neg frac-2neg flip3-- diff-log pow-exp frac-sub flip--
+-commutative flip3-+ associate-+l- flip-+
Counts
4 → 171
Calls
4 calls:
587.0ms
(+ (- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3))) (/ 1 x))
11.0ms
(/ 1.0 (pow x 5))
13.0ms
(/ 1.0 (pow x 3))
96.0ms
(- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3)))

series381.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(+ (- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3))) (/ 1 x))
56.0ms
(/ 1.0 (pow x 5))
40.0ms
(/ 1.0 (pow x 3))
229.0ms
(- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3)))

simplify1.2s

Counts
183 → 183
Iterations
IterNodes
done5002
22555
1576
0258

prune697.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes55.0ms

Accuracy

99.9% (0.0b remaining)

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

bsearch71.0ms

Steps
ItersRangePoint
8
5.1212688054922095
257785.57693934403
446.6796391904089
8
-346749.28651926527
-205.8624528279525
-503.9443077846877

simplify6.0ms

Iterations
IterNodes
done32
132
024

end0.0ms

sample515.0ms

Algorithm
intervals
Results
335.0ms8000×body80valid