Details

Time bar (total: 12.3s)

sample110.0ms

Algorithm
intervals
Results
53.0ms81×body1280valid
21.0ms52×body640valid
12.0ms26×body2560valid
6.0ms24×body320valid
3.0ms56×body80valid
2.0ms17×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
199
done99

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.7b

localize8.0ms

Local error

Found 3 expressions with local error:

1.0b
(+ x (sqrt (+ (* x x) 1.0)))
3.6b
(log (+ x (sqrt (+ (* x x) 1.0))))
12.2b
(sqrt (+ (* x x) 1.0))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
add-exp-log log-prod
flip3-+ sqrt-prod add-cbrt-cube flip-+
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sqrt-pow1 pow1/2 rem-log-exp sum-log log-pow
Counts
3 → 42
Calls
3 calls:
44.0ms
(+ x (sqrt (+ (* x x) 1.0)))
21.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
15.0ms
(sqrt (+ (* x x) 1.0))

series342.0ms

Counts
3 → 9
Calls
3 calls:
78.0ms
(+ x (sqrt (+ (* x x) 1.0)))
198.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
65.0ms
(sqrt (+ (* x x) 1.0))

simplify1.6s

Counts
51 → 51
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0133761
1308691
2848618
32737602
done5001590

prune194.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 2 expressions with local error:

0.1b
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
0.4b
(* -1/6 (/ (* x x) 1.0))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
29×associate-*r*
24×times-frac
19×add-cube-cbrt *-un-lft-identity
16×add-exp-log add-cbrt-cube
10×sqrt-prod
pow1 associate-*l* prod-exp cbrt-unprod
unswap-sqr
cbrt-undiv div-exp
frac-times flip3-+ associate-*r/ pow-prod-down associate-*l/ *-commutative flip-+ div-inv add-log-exp
Counts
2 → 74
Calls
2 calls:
108.0ms
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
29.0ms
(* -1/6 (/ (* x x) 1.0))

series229.0ms

Counts
2 → 6
Calls
2 calls:
192.0ms
(* (+ (* -1/6 (/ (* x x) 1.0)) 1) (/ x (sqrt 1.0)))
37.0ms
(* -1/6 (/ (* x x) 1.0))

simplify1.3s

Counts
80 → 80
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01621283
14111174
215501066
done50001034

prune188.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 1 expressions with local error:

0.1b
(/ (pow x 3) (/ 1.0 -1/6))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
273×times-frac
134×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
42×unpow-prod-down cube-prod
14×add-exp-log cube-mult unpow3 div-inv sqr-pow
13×associate-/r*
12×associate-/l*
div-exp
add-cbrt-cube
cbrt-undiv
pow-to-exp pow-exp
pow1 frac-2neg clear-num associate-/r/ add-log-exp
Counts
1 → 200
Calls
1 calls:
17.0ms
(/ (pow x 3) (/ 1.0 -1/6))

series47.0ms

Counts
1 → 3
Calls
1 calls:
47.0ms
(/ (pow x 3) (/ 1.0 -1/6))

simplify1.1s

Counts
203 → 203
Iterations

Useful iterations: 2 (479.0ms)

IterNodesCost
03023458
15772805
222932751
done50002751

prune471.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 0.0625 (pow x 5))
0.4b
(/ 0.125 (pow x 3))
10.9b
(log (- (- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5))) (/ 0.5 x)))
20.7b
(- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5)))

rewrite474.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
94×times-frac
63×*-un-lft-identity
46×add-cube-cbrt
33×unpow-prod-down
22×difference-of-squares
19×associate-/r*
17×sqr-pow
16×cube-prod
15×add-exp-log
log-prod add-cbrt-cube
distribute-lft-out--
div-exp associate-/l* add-log-exp
pow1 log-div frac-sub
cube-mult unpow3
flip3-- flip--
cbrt-undiv pow-to-exp frac-2neg pow-exp clear-num div-inv
sub-neg diff-log rem-log-exp log-pow
Counts
4 → 167
Calls
4 calls:
8.0ms
(/ 0.0625 (pow x 5))
9.0ms
(/ 0.125 (pow x 3))
347.0ms
(log (- (- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5))) (/ 0.5 x)))
103.0ms
(- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5)))

series498.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(/ 0.0625 (pow x 5))
64.0ms
(/ 0.125 (pow x 3))
210.0ms
(log (- (- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5))) (/ 0.5 x)))
169.0ms
(- (/ 0.125 (pow x 3)) (/ 0.0625 (pow x 5)))

simplify1.1s

Counts
179 → 179
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03382966
16792667
218582553
done50002541

prune584.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes66.0ms

Accuracy

99.3% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 31.8b

bsearch128.0ms

Steps
ItersRangePoint
9
0.0030847216915828425
5729.342694487068
0.8864725828659493
11
-30636816361710.875
-9.292394687435822e-10
-1.014356783985294

simplify7.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03556
14254
done4254

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.5s2302×body1280valid
629.0ms1576×body640valid
571.0ms788×body320valid
373.0ms800×body2560valid
147.0ms2110×body80valid
54.0ms424×body160valid