Details

Time bar (total: 19.0s)

sample116.0ms

Algorithm
intervals
Results
66.0ms92×body10240exit
20.0ms272×body80valid
4.0msbody1280valid
2.0msbody640valid
1.0msbody320valid
1.0msbody160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1129
2199
done199

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.8b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.0b
(+ 1.0 (exp x))
0.8b
(log (+ 1.0 (exp x)))

rewrite36.0ms

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:
12.0ms
(- (log (+ 1.0 (exp x))) (* x y))
12.0ms
(+ 1.0 (exp x))
11.0ms
(log (+ 1.0 (exp x)))

series204.0ms

Counts
3 → 9
Calls
3 calls:
100.0ms
(- (log (+ 1.0 (exp x))) (* x y))
13.0ms
(+ 1.0 (exp x))
90.0ms
(log (+ 1.0 (exp x)))

simplify2.5s

Counts
54 → 54
Iterations

Useful iterations: 4 (1.2s)

IterNodesCost
092575
1208544
2499514
31201508
42613506
done5000506

prune178.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(exp (log (log (+ 1.0 (exp x)))))
0.0b
(log (log (+ 1.0 (exp x))))
0.8b
(log (+ 1.0 (exp x)))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
12×log-prod *-un-lft-identity
pow1
add-sqr-sqrt add-cube-cbrt
add-exp-log add-log-exp
log-pow
exp-prod exp-sum add-cbrt-cube
log-div flip3-+ rem-log-exp flip-+ distribute-lft-out
+-commutative sum-log rem-exp-log
Counts
4 → 56
Calls
4 calls:
11.0ms
(+ 1.0 (exp x))
7.0ms
(exp (log (log (+ 1.0 (exp x)))))
2.0ms
(log (log (+ 1.0 (exp x))))
10.0ms
(log (+ 1.0 (exp x)))

series419.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(+ 1.0 (exp x))
119.0ms
(exp (log (log (+ 1.0 (exp x)))))
201.0ms
(log (log (+ 1.0 (exp x))))
89.0ms
(log (+ 1.0 (exp x)))

simplify3.1s

Counts
68 → 68
Iterations

Useful iterations: 4 (1.6s)

IterNodesCost
0102673
1202616
2464558
31239548
43859531
done5000531

prune331.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (+ (log (log 2.0)) (* 0.5 (/ x (log 2.0)))) (* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))))
0.2b
(* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))
0.2b
(/ (pow x 2) (log 2.0))
0.2b
(/ x (log 2.0))

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
80×times-frac
65×add-sqr-sqrt
56×*-un-lft-identity
51×add-cube-cbrt
36×associate-*l*
28×unpow-prod-down
27×pow1
21×add-exp-log log-pow
13×add-cbrt-cube
11×associate-/l*
10×unpow2 sqr-pow
add-log-exp
associate-/r*
div-exp
associate-*r*
unswap-sqr
prod-exp
cbrt-undiv distribute-rgt-in sub-neg exp-prod distribute-lft-in exp-sum associate--l+ div-inv rem-exp-log
frac-times pow-to-exp flip3-- frac-2neg diff-log associate-*r/ pow-exp clear-num flip-- cbrt-unprod distribute-lft-out--
exp-diff pow-prod-down associate-*l/ sum-log *-commutative distribute-lft-out difference-of-squares
Counts
4 → 179
Calls
4 calls:
151.0ms
(exp (- (+ (log (log 2.0)) (* 0.5 (/ x (log 2.0)))) (* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))))
1.0s
(* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))
11.0ms
(/ (pow x 2) (log 2.0))
6.0ms
(/ x (log 2.0))

series1.7s

Counts
4 → 12
Calls
4 calls:
382.0ms
(exp (- (+ (log (log 2.0)) (* 0.5 (/ x (log 2.0)))) (* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))))
660.0ms
(* (/ (pow x 2) (log 2.0)) (- (+ (/ 0.125 (log 2.0)) (/ 1/2 (pow 2.0 2))) 0.25))
260.0ms
(/ (pow x 2) (log 2.0))
349.0ms
(/ x (log 2.0))

simplify1.9s

Counts
191 → 191
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02503460
15863323
220152977
done50002966

prune1.1s

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp x))
0.0b
(+ 1.0 (exp x))
1.5b
(log (sqrt (+ 1.0 (exp x))))
1.5b
(log (sqrt (+ 1.0 (exp x))))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
14×log-prod
pow1 add-sqr-sqrt add-cube-cbrt sqrt-prod add-log-exp
add-exp-log log-pow
log-div flip3-+ sqrt-div add-cbrt-cube flip-+ distribute-lft-out
+-commutative sqrt-pow1 pow1/2 rem-log-exp sum-log
Counts
4 → 64
Calls
4 calls:
12.0ms
(+ 1.0 (exp x))
14.0ms
(+ 1.0 (exp x))
13.0ms
(log (sqrt (+ 1.0 (exp x))))
18.0ms
(log (sqrt (+ 1.0 (exp x))))

series370.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(+ 1.0 (exp x))
13.0ms
(+ 1.0 (exp x))
172.0ms
(log (sqrt (+ 1.0 (exp x))))
169.0ms
(log (sqrt (+ 1.0 (exp x))))

simplify2.0s

Counts
76 → 76
Iterations

Useful iterations: 3 (190.0ms)

IterNodesCost
080764
1156720
2327656
3732644
42329644
done5001644

prune287.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.4b

regimes59.0ms

Accuracy

0% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11211
done1211

end0.0ms

sample3.4s

Algorithm
intervals
Results
2.1s2410×body10240exit
607.0ms8459×body80valid
99.0ms255×body640valid
98.0ms136×body1280valid
58.0ms99×body160valid
44.0ms178×body320valid