Details

Time bar (total: 12.5s)

sample19.0ms

Algorithm
intervals
Results
9.0ms256×body80valid

simplify2.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
057
167
done67

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.6b

localize10.0ms

Local error

Found 1 expressions with local error:

13.6b
(/ x (+ (* x x) 1.0))

rewrite16.0ms

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:
15.0ms
(/ x (+ (* x x) 1.0))

series95.0ms

Counts
1 → 3
Calls
1 calls:
95.0ms
(/ x (+ (* x x) 1.0))

simplify672.0ms

Counts
32 → 32
Iterations

Useful iterations: done (670.0ms)

IterNodesCost
074428
1183415
2802377
done5001375

prune97.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (sqrt (+ (* x x) 1.0)))
0.0b
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
13.6b
(sqrt (+ (* x x) 1.0))
13.6b
(sqrt (+ (* x x) 1.0))

rewrite192.0ms

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 pow-flip sqrt-pow1 pow1/2 1-exp div-inv associate-/l*
rem-sqrt-square
frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative inv-pow
Counts
4 → 164
Calls
4 calls:
21.0ms
(/ 1 (sqrt (+ (* x x) 1.0)))
108.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
18.0ms
(sqrt (+ (* x x) 1.0))
28.0ms
(sqrt (+ (* x x) 1.0))

series275.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(/ 1 (sqrt (+ (* x x) 1.0)))
83.0ms
(* (/ 1 (sqrt (+ (* x x) 1.0))) (/ x (sqrt (+ (* x x) 1.0))))
48.0ms
(sqrt (+ (* x x) 1.0))
60.0ms
(sqrt (+ (* x x) 1.0))

simplify2.8s

Counts
176 → 176
Iterations

Useful iterations: done (2.8s)

IterNodesCost
02253329
16893027
243772647
done50012643

prune390.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.6b
(/ 1 (+ (* x x) 1.0))
12.9b
(* x (/ 1 (+ (* x x) 1.0)))

rewrite90.0ms

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:
26.0ms
(/ 1 (+ (* x x) 1.0))
60.0ms
(* x (/ 1 (+ (* x x) 1.0)))

series143.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ 1 (+ (* x x) 1.0))
91.0ms
(* x (/ 1 (+ (* x x) 1.0)))

simplify1.8s

Counts
77 → 77
Iterations

Useful iterations: done (1.7s)

IterNodesCost
0128985
1352882
22025733
done5001727

prune191.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x x) 1.0)
0.1b
(* x (pow x 3))
3.2b
(/ x (- (* x (pow x 3)) (* 1.0 1.0)))
19.1b
(* (/ x (- (* x (pow x 3)) (* 1.0 1.0))) (- (* x x) 1.0))

rewrite171.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
24×add-cube-cbrt *-un-lft-identity
19×times-frac
18×associate-*l*
16×add-exp-log associate-*r*
13×add-cbrt-cube
pow1
add-log-exp unswap-sqr
flip3-- prod-exp flip--
unpow-prod-down cube-prod associate-/r/
sub-neg associate-/r* cbrt-unprod associate-/l*
cbrt-undiv distribute-rgt-in frac-times distribute-lft-in associate-*r/ div-exp *-commutative div-inv difference-of-squares sqr-pow
cube-mult pow-to-exp frac-2neg diff-log unpow3 pow-prod-down associate-*l/ pow-exp clear-num pow-prod-up
Counts
4 → 117
Calls
4 calls:
10.0ms
(- (* x x) 1.0)
19.0ms
(* x (pow x 3))
28.0ms
(/ x (- (* x (pow x 3)) (* 1.0 1.0)))
110.0ms
(* (/ x (- (* x (pow x 3)) (* 1.0 1.0))) (- (* x x) 1.0))

series426.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(- (* x x) 1.0)
60.0ms
(* x (pow x 3))
172.0ms
(/ x (- (* x (pow x 3)) (* 1.0 1.0)))
142.0ms
(* (/ x (- (* x (pow x 3)) (* 1.0 1.0))) (- (* x x) 1.0))

simplify3.9s

Counts
129 → 129
Iterations

Useful iterations: done (3.9s)

IterNodesCost
02022068
15991974
240151560
done50001556

prune435.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes35.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 14.7b

bsearch82.0ms

Steps
ItersRangePoint
8
1.4124627081995123
1575.9184687212278
986.0371090468709
4
-2.529568732130994e+18
-1.3980170606481126e+18
-2.4658381815044797e+18

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
02555
13341
done3341

end0.0ms

sample539.0ms

Algorithm
intervals
Results
338.0ms8000×body80valid