Details

Time bar (total: 17.5s)

sample83.0ms

Algorithm
intervals
Results
44.0ms66×body10240exit
15.0ms264×body80valid
7.0msbody1280valid
2.0msbody640valid
1.0msbody320valid
0.0msbody160valid

simplify22.0ms

Counts
1 → 1
Iterations
IterNodes
done26
326
222
115
08

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp x))
0.0b
(- (log (+ 1 (exp x))) (* x y))
0.5b
(log (+ 1 (exp x)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
add-sqr-sqrt log-prod add-cube-cbrt
pow1 add-log-exp
log-div fma-neg prod-diff associate--l+ add-exp-log
expm1-log1p-u fma-def flip3-+ add-cbrt-cube log-pow flip-+ insert-posit16 log1p-expm1-u distribute-lft-out
associate--l-
+-commutative sum-log sub-neg log1p-def flip3-- diff-log rem-log-exp flip--
Counts
3 → 66
Calls
3 calls:
17.0ms
(+ 1 (exp x))
10.0ms
(- (log (+ 1 (exp x))) (* x y))
4.0ms
(log (+ 1 (exp x)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1 (exp x))
59.0ms
(- (log (+ 1 (exp x))) (* x y))
87.0ms
(log (+ 1 (exp x)))

simplify2.2s

Counts
75 → 75
Iterations
IterNodes
done5000
31600
2609
1223
097

prune350.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.2b
(sqrt (+ 1 (exp x)))
0.2b
(sqrt (+ 1 (exp x)))
0.9b
(log (sqrt (+ 1 (exp x))))
0.9b
(log (sqrt (+ 1 (exp x))))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
16×sqrt-prod
14×log-prod
10×pow1 add-cube-cbrt
sqrt-div
add-exp-log log-pow
expm1-log1p-u log-div sqrt-pow1 flip3-+ add-cbrt-cube pow1/2 flip-+ hypot-def insert-posit16 log1p-expm1-u distribute-lft-out add-log-exp
rem-sqrt-square rem-log-exp hypot-1-def
Counts
4 → 90
Calls
4 calls:
10.0ms
(sqrt (+ 1 (exp x)))
14.0ms
(sqrt (+ 1 (exp x)))
9.0ms
(log (sqrt (+ 1 (exp x))))
9.0ms
(log (sqrt (+ 1 (exp x))))

series322.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(sqrt (+ 1 (exp x)))
35.0ms
(sqrt (+ 1 (exp x)))
146.0ms
(log (sqrt (+ 1 (exp x))))
110.0ms
(log (sqrt (+ 1 (exp x))))

simplify3.3s

Counts
102 → 102
Iterations
IterNodes
done5000
44987
31424
2477
1176
090

prune572.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize36.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (log (fma (fma x 1/2 1) x 2)) (* x y))
6.3b
(log (fma (fma x 1/2 1) x 2))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt log-prod *-un-lft-identity add-cube-cbrt
pow1
fma-neg prod-diff
associate--l+ add-exp-log log-pow add-log-exp
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log rem-log-exp flip--
Counts
2 → 41
Calls
2 calls:
8.0ms
(- (log (fma (fma x 1/2 1) x 2)) (* x y))
3.0ms
(log (fma (fma x 1/2 1) x 2))

series152.0ms

Counts
2 → 6
Calls
2 calls:
103.0ms
(- (log (fma (fma x 1/2 1) x 2)) (* x y))
48.0ms
(log (fma (fma x 1/2 1) x 2))

simplify2.1s

Counts
47 → 47
Iterations
IterNodes
done5000
31802
2573
1202
086

prune245.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (exp (log (log (fma (fma x 1/2 1) x 2)))) (* x y))
0.0b
(log (log (fma (fma x 1/2 1) x 2)))
0.3b
(exp (log (log (fma (fma x 1/2 1) x 2))))
6.3b
(log (fma (fma x 1/2 1) x 2))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
19×log-prod
12×add-sqr-sqrt *-un-lft-identity exp-sum add-cube-cbrt
11×pow1
fma-neg prod-diff log-pow
add-exp-log add-log-exp
expm1-log1p-u exp-prod add-cbrt-cube insert-posit16 log1p-expm1-u
rem-log-exp
sub-neg flip3-- diff-log flip-- rem-exp-log
Counts
4 → 79
Calls
4 calls:
33.0ms
(- (exp (log (log (fma (fma x 1/2 1) x 2)))) (* x y))
3.0ms
(log (log (fma (fma x 1/2 1) x 2)))
11.0ms
(exp (log (log (fma (fma x 1/2 1) x 2))))
2.0ms
(log (fma (fma x 1/2 1) x 2))

series299.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(- (exp (log (log (fma (fma x 1/2 1) x 2)))) (* x y))
98.0ms
(log (log (fma (fma x 1/2 1) x 2)))
49.0ms
(exp (log (log (fma (fma x 1/2 1) x 2))))
63.0ms
(log (fma (fma x 1/2 1) x 2))

simplify2.8s

Counts
91 → 91
Iterations
IterNodes
done5000
33321
21068
1359
0158

prune579.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

regimes70.0ms

Accuracy

0% (0.8b remaining)

Error of 1.0b against oracle of 0.3b and baseline of 1.0b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done15
115
010

end0.0ms

sample4.0s

Algorithm
intervals
Results
2.8s2442×body10240exit
693.0ms8461×body80valid
116.0ms139×body1280valid
112.0ms241×body640valid
48.0ms169×body320valid
16.0ms89×body160valid