Details

Time bar (total: 9.3s)

sample60.0ms

Algorithm
intervals
Results
28.0ms66×body1280valid
9.0ms46×body640valid
7.0ms27×body2560valid
4.0ms32×body320valid
2.0ms72×body80valid
1.0ms13×body160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
079
199
done99

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.8b

localize7.0ms

Local error

Found 3 expressions with local error:

1.1b
(+ x (sqrt (+ (* x x) 1.0)))
3.4b
(log (+ x (sqrt (+ (* x x) 1.0))))
15.7b
(sqrt (+ (* x x) 1.0))

rewrite22.0ms

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:
8.0ms
(+ x (sqrt (+ (* x x) 1.0)))
8.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
4.0ms
(sqrt (+ (* x x) 1.0))

series278.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(+ x (sqrt (+ (* x x) 1.0)))
173.0ms
(log (+ x (sqrt (+ (* x x) 1.0))))
45.0ms
(sqrt (+ (* x x) 1.0))

simplify1.4s

Counts
51 → 51
Iterations

Useful iterations: 3 (589.0ms)

IterNodesCost
0133761
1308691
2853618
33211602
done5001602

prune151.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (+ (log (sqrt 1.0)) (/ x (sqrt 1.0))) (* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3))))
0.1b
(* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3)))

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
240×times-frac
220×associate-*r*
182×add-sqr-sqrt
140×unpow-prod-down cube-prod
118×add-cube-cbrt *-un-lft-identity
80×sqrt-prod
40×sqr-pow
30×cube-mult unpow3
25×add-exp-log unswap-sqr
10×prod-exp
div-exp
add-cbrt-cube
pow-to-exp pow-exp add-log-exp
pow1
associate-*r/ associate-*l*
diff-log frac-sub cbrt-unprod
cbrt-undiv sub-neg flip3-- flip3-+ pow-prod-down associate--l+ sum-log *-commutative flip-- flip-+ div-inv
Counts
2 → 286
Calls
2 calls:
121.0ms
(- (+ (log (sqrt 1.0)) (/ x (sqrt 1.0))) (* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3))))
74.0ms
(* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3)))

series282.0ms

Counts
2 → 6
Calls
2 calls:
151.0ms
(- (+ (log (sqrt 1.0)) (/ x (sqrt 1.0))) (* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3))))
131.0ms
(* 1/6 (/ (pow x 3) (pow (sqrt 1.0) 3)))

simplify1.0s

Counts
292 → 292
Iterations

Useful iterations: 2 (491.0ms)

IterNodesCost
03364436
18603364
229492955
done50012955

prune393.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 0.0625 (pow x 5))
0.1b
(/ 0.125 (pow x 3))
11.7b
(log (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
16.5b
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

rewrite205.0ms

Algorithm
rewrite-expression-head
Rules
72×add-sqr-sqrt
71×times-frac
68×*-un-lft-identity
46×add-cube-cbrt
26×unpow-prod-down
19×associate-/r*
15×add-exp-log
14×cube-prod
11×log-prod
10×difference-of-squares sqr-pow
add-log-exp
add-cbrt-cube
div-exp frac-sub associate-/l* distribute-lft-out--
pow1 log-div
cube-mult unpow3 distribute-lft-out
cbrt-undiv pow-to-exp flip3-- frac-2neg flip3-+ diff-log frac-add pow-exp clear-num flip-- flip-+ div-inv
sub-neg rem-log-exp sum-log log-pow associate--r+
Counts
4 → 160
Calls
4 calls:
3.0ms
(/ 0.0625 (pow x 5))
4.0ms
(/ 0.125 (pow x 3))
89.0ms
(log (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
103.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

series322.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ 0.0625 (pow x 5))
40.0ms
(/ 0.125 (pow x 3))
178.0ms
(log (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5)))))
55.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

simplify816.0ms

Counts
172 → 172
Iterations

Useful iterations: 2 (367.0ms)

IterNodesCost
03182936
16892663
221202507
done50012507

prune395.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 4 expressions with local error:

9.0b
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
9.0b
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
16.5b
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))
16.5b
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

rewrite388.0ms

Algorithm
rewrite-expression-head
Rules
60×add-sqr-sqrt
52×*-un-lft-identity
28×log-prod times-frac
22×sqrt-prod
20×difference-of-squares
14×add-log-exp
12×frac-sub distribute-lft-out--
10×log-div sqrt-div
pow1 add-cube-cbrt distribute-lft-out
add-exp-log log-pow
unpow-prod-down flip3-- flip3-+ diff-log cube-prod frac-add add-cbrt-cube flip-- flip-+ sqr-pow
sub-neg sqrt-pow1 pow1/2 rem-log-exp sum-log associate--r+
Counts
4 → 110
Calls
4 calls:
90.0ms
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
89.0ms
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
102.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))
101.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

series297.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
94.0ms
(log (sqrt (- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))))
52.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))
57.0ms
(- (/ 0.125 (pow x 3)) (+ (/ 0.5 x) (/ 0.0625 (pow x 5))))

simplify554.0ms

Counts
122 → 122
Iterations

Useful iterations: done (547.0ms)

IterNodesCost
01793692
14073516
212223286
done50003242

prune411.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

regimes113.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 32.1b

bsearch66.0ms

Steps
ItersRangePoint
8
0.44834868164545755
179.5191949529741
0.8927294336574271
7
-1.204215327568116
-0.04390830018224924
-0.9990009314811332

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03676
14176
done4176

end0.0ms

sample1.9s

Algorithm
intervals
Results
962.0ms2373×body1280valid
370.0ms1558×body640valid
217.0ms798×body2560valid
106.0ms785×body320valid
63.0ms2073×body80valid
32.0ms413×body160valid