Details

Time bar (total: 12.6s)

sample157.0ms

Algorithm
intervals
Results
96.0ms96×body10240exit
21.0ms270×body80valid
7.0ms14×body640valid
6.0msbody1280valid
1.0msbody320valid
0.0msbody160valid

simplify17.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize11.0ms

Local error

Found 3 expressions with local error:

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

rewrite50.0ms

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:
25.0ms
(- (log (+ 1.0 (exp x))) (* x y))
13.0ms
(+ 1.0 (exp x))
10.0ms
(log (+ 1.0 (exp x)))

series255.0ms

Counts
3 → 9
Calls
3 calls:
112.0ms
(- (log (+ 1.0 (exp x))) (* x y))
14.0ms
(+ 1.0 (exp x))
128.0ms
(log (+ 1.0 (exp x)))

simplify733.0ms

Counts
54 → 54

prune168.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 4 expressions with local error:

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

rewrite39.0ms

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:
10.0ms
(+ 1.0 (exp x))
7.0ms
(+ 1.0 (exp x))
7.0ms
(log (sqrt (+ 1.0 (exp x))))
12.0ms
(log (sqrt (+ 1.0 (exp x))))

series311.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(+ 1.0 (exp x))
9.0ms
(+ 1.0 (exp x))
145.0ms
(log (sqrt (+ 1.0 (exp x))))
149.0ms
(log (sqrt (+ 1.0 (exp x))))

simplify1.5s

Counts
76 → 76

prune348.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
0.0b
(+ (* 1/2 (pow x 2)) (+ x 2.0))
8.3b
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

rewrite94.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
log-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log log-div
flip3-+ associate--l+ sum-log add-cbrt-cube flip-+
associate--l-
+-commutative sub-neg associate-+r+ flip3-- diff-log rem-log-exp log-pow flip--
Counts
3 → 44
Calls
3 calls:
24.0ms
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
41.0ms
(+ (* 1/2 (pow x 2)) (+ x 2.0))
28.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

series213.0ms

Counts
3 → 9
Calls
3 calls:
108.0ms
(- (log (+ (* 1/2 (pow x 2)) (+ x 2.0))) (* x y))
29.0ms
(+ (* 1/2 (pow x 2)) (+ x 2.0))
77.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

simplify2.1s

Counts
53 → 53

prune233.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize42.0ms

Local error

Found 4 expressions with local error:

1.3b
(cbrt (log (+ (* 1/2 (pow x 2)) (+ x 2.0))))
8.3b
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
8.3b
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
8.3b
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
log-prod
pow1 add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-exp-log
log-div
cbrt-prod log-pow add-cbrt-cube add-log-exp
flip3-+ rem-log-exp flip-+
pow1/3
Counts
4 → 54
Calls
4 calls:
1.0ms
(cbrt (log (+ (* 1/2 (pow x 2)) (+ x 2.0))))
19.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
46.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
39.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

series437.0ms

Counts
4 → 12
Calls
4 calls:
229.0ms
(cbrt (log (+ (* 1/2 (pow x 2)) (+ x 2.0))))
67.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
72.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))
68.0ms
(log (+ (* 1/2 (pow x 2)) (+ x 2.0)))

simplify686.0ms

Counts
66 → 66

prune414.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes54.0ms

Accuracy

0.6% (0.8b remaining)

Error of 1.1b against oracle of 0.2b and baseline of 1.1b

bsearch0.0ms

simplify806.0ms

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.9s2547×body10240exit
731.0ms8400×body80valid
434.0ms178×body320valid
152.0ms270×body640valid
105.0ms138×body1280valid
17.0ms110×body160valid