Details

Time bar (total: 11.1s)

sample98.0ms

Algorithm
intervals
Results
56.0ms74×body10240exit
16.0ms282×body80valid
3.0msbody640valid
2.0msbody1280valid
1.0msbody160valid
0.0msbody320valid

simplify13.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1129
2199
done199

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.3b
(log (+ 1.0 (exp x)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
log-prod
add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log log-div associate--l+
flip3-+ add-cbrt-cube flip-+ distribute-lft-out
associate--l-
+-commutative sub-neg flip3-- diff-log rem-log-exp sum-log log-pow flip--
Counts
3 → 45
Calls
3 calls:
13.0ms
(+ 1.0 (exp x))
24.0ms
(- (log (+ 1.0 (exp x))) (* x y))
12.0ms
(log (+ 1.0 (exp x)))

series242.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1.0 (exp x))
106.0ms
(- (log (+ 1.0 (exp x))) (* x y))
121.0ms
(log (+ 1.0 (exp x)))

simplify1.7s

Counts
54 → 54
Iterations

Useful iterations: 3 (551.0ms)

IterNodesCost
092575
1211544
2643514
33055508
done5000508

prune147.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(- (+ (log (sqrt (+ 1.0 (exp x)))) (log (sqrt (+ 1.0 (exp x))))) (* x y))
1.0b
(log (sqrt (+ 1.0 (exp x))))
1.0b
(log (sqrt (+ 1.0 (exp x))))

rewrite425.0ms

Algorithm
rewrite-expression-head
Rules
14×log-prod *-un-lft-identity
add-log-exp
pow1 add-sqr-sqrt add-cube-cbrt log-div sqrt-div sqrt-prod
add-exp-log log-pow
flip3-+ flip-+
associate--l- add-cbrt-cube
distribute-lft-out
associate-+l- associate-+r- sqrt-pow1 pow1/2 diff-log rem-log-exp sum-log
+-commutative sub-neg flip3-- associate--l+ flip--
Counts
4 → 70
Calls
4 calls:
6.0ms
(+ 1.0 (exp x))
403.0ms
(- (+ (log (sqrt (+ 1.0 (exp x)))) (log (sqrt (+ 1.0 (exp x))))) (* x y))
7.0ms
(log (sqrt (+ 1.0 (exp x))))
7.0ms
(log (sqrt (+ 1.0 (exp x))))

series428.0ms

Counts
4 → 12
Calls
4 calls:
15.0ms
(+ 1.0 (exp x))
193.0ms
(- (+ (log (sqrt (+ 1.0 (exp x)))) (log (sqrt (+ 1.0 (exp x))))) (* x y))
104.0ms
(log (sqrt (+ 1.0 (exp x))))
116.0ms
(log (sqrt (+ 1.0 (exp x))))

simplify533.0ms

Counts
82 → 82
Iterations

Useful iterations: done (529.0ms)

IterNodesCost
01221143
1277988
2985853
done5001845

prune442.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 1/2 (pow x 2))
0.0b
(+ (* 1/2 (pow x 2)) (+ x 2.0))
0.0b
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
6.6b
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
10×add-exp-log add-log-exp
add-cube-cbrt *-un-lft-identity
associate-*r*
log-prod add-cbrt-cube
pow1
unpow-prod-down log-div unswap-sqr
flip3-+ associate-*l* prod-exp associate--l+ sum-log flip-+
associate--l- unpow2 sqr-pow
+-commutative pow-to-exp sub-neg associate-+r+ flip3-- diff-log rem-log-exp pow-exp log-pow *-commutative flip-- cbrt-unprod
Counts
4 → 71
Calls
4 calls:
12.0ms
(* 1/2 (pow x 2))
27.0ms
(+ (* 1/2 (pow x 2)) (+ x 2.0))
35.0ms
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
28.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

series278.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(* 1/2 (pow x 2))
25.0ms
(+ (* 1/2 (pow x 2)) (+ x 2.0))
121.0ms
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
98.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

simplify861.0ms

Counts
83 → 83
Iterations

Useful iterations: done (858.0ms)

IterNodesCost
01521207
13851093
214651009
done5002999

prune292.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2))))
6.6b
(log (+ (* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2)))) (+ x 2.0)))
26.8b
(sqrt (* 1/2 (pow x 2)))
26.8b
(sqrt (* 1/2 (pow x 2)))

rewrite189.0ms

Algorithm
rewrite-expression-head
Rules
22×pow1
11×add-sqr-sqrt
10×sqrt-pow1 pow1/2
add-cube-cbrt *-un-lft-identity
add-exp-log
sqrt-prod add-cbrt-cube
pow-prod-up
swap-sqr associate-*r* associate-*l* add-log-exp
log-prod pow-prod-down pow-sqr
log-div
pow2 flip3-+ pow-plus sqrt-unprod rem-log-exp prod-exp rem-square-sqrt log-pow *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 72
Calls
4 calls:
68.0ms
(* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2))))
99.0ms
(log (+ (* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2)))) (+ x 2.0)))
10.0ms
(sqrt (* 1/2 (pow x 2)))
9.0ms
(sqrt (* 1/2 (pow x 2)))

series389.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2))))
186.0ms
(log (+ (* (sqrt (* 1/2 (pow x 2))) (sqrt (* 1/2 (pow x 2)))) (+ x 2.0)))
46.0ms
(sqrt (* 1/2 (pow x 2)))
52.0ms
(sqrt (* 1/2 (pow x 2)))

simplify864.0ms

Counts
84 → 84
Iterations

Useful iterations: done (861.0ms)

IterNodesCost
01161304
1306811
21404696
done5000682

prune291.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes76.0ms

Accuracy

0% (0.8b remaining)

Error of 1.1b against oracle of 0.3b and baseline of 1.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01017
11217
done1217

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.8s2535×body10240exit
729.0ms8360×body80valid
500.0ms249×body640valid
96.0ms127×body1280valid
64.0ms189×body320valid
16.0ms108×body160valid