Details

Time bar (total: 7.5s)

sample14.0ms

Algorithm
intervals
Results
5.0ms256×body80valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
057
167
done67

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.7b

localize4.0ms

Local error

Found 1 expressions with local error:

15.7b
(/ x (+ (* x x) 1.0))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
add-exp-log associate-/r* add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
6.0ms
(/ x (+ (* x x) 1.0))

series59.0ms

Counts
1 → 3
Calls
1 calls:
59.0ms
(/ x (+ (* x x) 1.0))

simplify1.6s

Counts
32 → 32
Iterations

Useful iterations: 3 (174.0ms)

IterNodesCost
074428
1167413
2404375
3951373
42588373
done5000373

prune63.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize5.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ 1 (+ (* x x) 1.0))
15.6b
(* x (/ 1 (+ (* x x) 1.0)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
20×times-frac
19×*-un-lft-identity
18×add-cube-cbrt
15×add-exp-log associate-*r*
add-cbrt-cube
pow1
div-exp prod-exp associate-/r/
associate-*l* associate-/r* associate-/l* unswap-sqr
cbrt-undiv rec-exp flip3-+ 1-exp cbrt-unprod flip-+ div-inv add-log-exp
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
2 → 71
Calls
2 calls:
6.0ms
(/ 1 (+ (* x x) 1.0))
18.0ms
(* x (/ 1 (+ (* x x) 1.0)))

series98.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(/ 1 (+ (* x x) 1.0))
59.0ms
(* x (/ 1 (+ (* x x) 1.0)))

simplify1.7s

Counts
77 → 77
Iterations

Useful iterations: 3 (577.0ms)

IterNodesCost
0128985
1315827
2722727
32196725
done5000725

prune107.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (+ (* x x) 1.0))
0.2b
(/ 1 (+ (* x x) 1.0))
15.6b
(sqrt (/ 1 (+ (* x x) 1.0)))
15.6b
(sqrt (/ 1 (+ (* x x) 1.0)))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
40×times-frac
36×*-un-lft-identity
34×add-cube-cbrt
30×sqrt-prod
12×add-exp-log
10×pow1
associate-/r/ add-cbrt-cube
rem-sqrt-square sqrt-pow1 associate-/r* associate-/l*
pow-flip flip3-+ div-exp flip-+ div-inv inv-pow add-log-exp
cbrt-undiv rec-exp frac-2neg pow1/2 sqrt-div 1-exp clear-num
Counts
4 → 126
Calls
4 calls:
6.0ms
(/ 1 (+ (* x x) 1.0))
6.0ms
(/ 1 (+ (* x x) 1.0))
6.0ms
(sqrt (/ 1 (+ (* x x) 1.0)))
7.0ms
(sqrt (/ 1 (+ (* x x) 1.0)))

series237.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ 1 (+ (* x x) 1.0))
44.0ms
(/ 1 (+ (* x x) 1.0))
77.0ms
(sqrt (/ 1 (+ (* x x) 1.0)))
77.0ms
(sqrt (/ 1 (+ (* x x) 1.0)))

simplify1.4s

Counts
138 → 138
Iterations

Useful iterations: 3 (427.0ms)

IterNodesCost
01381850
12851598
26881464
323261446
done50001446

prune234.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 1 x) (- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3))))
0.1b
(/ 1.0 (pow x 5))
0.1b
(/ 1.0 (pow x 3))
16.5b
(- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3)))

rewrite239.0ms

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
pow1 cube-mult unpow3
frac-add
cbrt-undiv pow-to-exp sub-neg associate-+r+ flip3-- frac-2neg diff-log pow-exp clear-num sum-log frac-sub flip--
+-commutative associate-+r- flip3-+ flip-+
Counts
4 → 171
Calls
4 calls:
167.0ms
(+ (/ 1 x) (- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3))))
3.0ms
(/ 1.0 (pow x 5))
4.0ms
(/ 1.0 (pow x 3))
58.0ms
(- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3)))

series255.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(+ (/ 1 x) (- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3))))
49.0ms
(/ 1.0 (pow x 5))
35.0ms
(/ 1.0 (pow x 3))
128.0ms
(- (/ 1.0 (pow x 5)) (/ 1.0 (pow x 3)))

simplify791.0ms

Counts
183 → 183
Iterations

Useful iterations: 2 (336.0ms)

IterNodesCost
02572827
15682514
215712418
done50012418

prune352.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes24.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 14.8b

bsearch48.0ms

Steps
ItersRangePoint
7
179.5191949529741
4368.076441928604
1964.7084475756017
8
-3540160029299381.0
-131863331651.28616
-6092285729639.722

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02247
13033
done3033

end0.0ms

sample227.0ms

Algorithm
intervals
Results
141.0ms8000×body80valid