Details

Time bar (total: 16.7s)

sample83.0ms

Algorithm
intervals
Results
41.0ms76×body10240exit
17.0ms270×body80valid
3.0msbody640valid
2.0msbody320valid
1.0msbody1280valid
0.0msbody160valid

simplify12.0ms

Counts
1 → 1
Iterations
IterNodes
done19
219
112
08

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (log (+ 1.0 (exp x))) (* x y))
0.5b
(log (+ 1.0 (exp x)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
add-sqr-sqrt log-div associate--l+ add-cube-cbrt
pow1 add-exp-log add-log-exp
associate--l- flip3-+ add-cbrt-cube flip-+ distribute-lft-out
sub-neg flip3-- diff-log rem-log-exp log-pow flip--
Counts
2 → 33
Calls
2 calls:
9.0ms
(- (log (+ 1.0 (exp x))) (* x y))
4.0ms
(log (+ 1.0 (exp x)))

series208.0ms

Counts
2 → 6
Calls
2 calls:
80.0ms
(- (log (+ 1.0 (exp x))) (* x y))
128.0ms
(log (+ 1.0 (exp x)))

simplify3.5s

Counts
39 → 39
Iterations
IterNodes
done5000
44203
31272
2432
1181
083

prune215.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.3b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1.0 (exp x)))
0.0b
(sqrt (+ 1.0 (exp x)))
1.2b
(log (sqrt (+ 1.0 (exp x))))
1.2b
(log (sqrt (+ 1.0 (exp x))))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×sqrt-prod
14×log-prod
12×add-sqr-sqrt
10×pow1 add-cube-cbrt
sqrt-div
add-exp-log log-pow
log-div sqrt-pow1 flip3-+ add-cbrt-cube pow1/2 flip-+ distribute-lft-out add-log-exp
rem-sqrt-square rem-log-exp
Counts
4 → 72
Calls
4 calls:
7.0ms
(sqrt (+ 1.0 (exp x)))
10.0ms
(sqrt (+ 1.0 (exp x)))
10.0ms
(log (sqrt (+ 1.0 (exp x))))
10.0ms
(log (sqrt (+ 1.0 (exp x))))

series424.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(sqrt (+ 1.0 (exp x)))
58.0ms
(sqrt (+ 1.0 (exp x)))
160.0ms
(log (sqrt (+ 1.0 (exp x))))
156.0ms
(log (sqrt (+ 1.0 (exp x))))

simplify2.2s

Counts
84 → 84
Iterations
IterNodes
done5008
43753
31118
2416
1165
086

prune341.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.3b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2)))
0.0b
(* (+ 0.5 (* 0.25 x)) x)
0.0b
(- (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)) (* x y))
4.2b
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
17×add-log-exp
add-sqr-sqrt
sum-log *-un-lft-identity flip3-+ add-cube-cbrt flip-+
pow1 add-cbrt-cube associate-*l/ add-exp-log
associate-+l+ frac-add
log-prod diff-log associate-*r* associate-*l*
+-commutative
sub-neg flip3-- pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod flip-- unswap-sqr
Counts
4 → 66
Calls
4 calls:
12.0ms
(+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2)))
23.0ms
(* (+ 0.5 (* 0.25 x)) x)
156.0ms
(- (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)) (* x y))
49.0ms
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))

series507.0ms

Counts
4 → 12
Calls
4 calls:
329.0ms
(+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2)))
81.0ms
(* (+ 0.5 (* 0.25 x)) x)
59.0ms
(- (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)) (* x y))
37.0ms
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))

simplify1.8s

Counts
78 → 78
Iterations
IterNodes
done5000
21810
1449
0150

prune428.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.3b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ 0.5 (* 0.25 x)) x)
0.8b
(exp (log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))))
4.2b
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))
5.1b
(log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
16×flip3-+ flip-+
14×associate-*l/
12×log-div frac-add
11×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1 add-log-exp
add-exp-log
log-prod add-cbrt-cube exp-diff
exp-prod
sum-log associate-*r* associate-*l* exp-sum
log-pow
+-commutative associate-+l+ rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 76
Calls
4 calls:
22.0ms
(* (+ 0.5 (* 0.25 x)) x)
27.0ms
(exp (log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))))
38.0ms
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))
30.0ms
(log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)))

series311.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(* (+ 0.5 (* 0.25 x)) x)
35.0ms
(exp (log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))))
47.0ms
(+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x))
145.0ms
(log (+ (+ (log 2.0) (* (/ x 2.0) (* (/ x 2.0) -1/2))) (* (+ 0.5 (* 0.25 x)) x)))

simplify2.3s

Counts
88 → 88
Iterations
IterNodes
done5000
21905
1515
0194

prune577.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

regimes72.0ms

Accuracy

0% (0.8b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done12
112
010

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.6s2404×body10240exit
589.0ms8473×body80valid
372.0ms98×body160valid
129.0ms129×body1280valid
119.0ms239×body640valid
41.0ms178×body320valid