Details

Time bar (total: 15.7s)

sample93.0ms

Algorithm
intervals
Results
41.0ms80×body1280valid
19.0ms79×body10240exit
11.0ms46×body640valid
4.0ms25×body320valid
4.0ms93×body80valid
1.0ms12×body160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done8
28
17
05

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.8b

localize14.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (exp x) (- (exp x) 1.0))
3.8b
(- (exp x) 1.0)

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
fma-neg add-exp-log associate-/l*
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 67
Calls
2 calls:
22.0ms
(/ (exp x) (- (exp x) 1.0))
17.0ms
(- (exp x) 1.0)

series48.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (exp x) (- (exp x) 1.0))
16.0ms
(- (exp x) 1.0)

simplify1.7s

Counts
73 → 73
Iterations
IterNodes
done5001
32050
2672
1252
0117

prune236.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize9.0ms

Local error

Found 1 expressions with local error:

0.1b
(fma x 1/12 (/ 1 x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma x 1/12 (/ 1 x))

series70.0ms

Counts
1 → 3
Calls
1 calls:
70.0ms
(fma x 1/12 (/ 1 x))

simplify2.5s

Counts
13 → 13
Iterations
IterNodes
done5000
52167
4457
3130
240
123
017

prune45.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (/ (- (exp x) 1.0) (exp x)))
0.2b
(/ (- (exp x) 1.0) (exp x))
3.8b
(- (exp x) 1.0)

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
110×add-sqr-sqrt *-un-lft-identity
76×add-cube-cbrt
22×associate-/r*
17×distribute-lft-out-- difference-of-squares
12×add-exp-log
10×add-cbrt-cube
prod-diff
div-exp associate-/l*
div-inv
add-log-exp
pow1 cbrt-undiv
expm1-log1p-u fma-neg log1p-expm1-u
rec-exp clear-num frac-2neg flip3-- 1-exp flip-- associate-/l/
sub-neg diff-log div-sub associate-/r/ pow-flip inv-pow
Counts
3 → 170
Calls
3 calls:
21.0ms
(/ 1 (/ (- (exp x) 1.0) (exp x)))
22.0ms
(/ (- (exp x) 1.0) (exp x))
21.0ms
(- (exp x) 1.0)

series122.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ 1 (/ (- (exp x) 1.0) (exp x)))
53.0ms
(/ (- (exp x) 1.0) (exp x))
20.0ms
(- (exp x) 1.0)

simplify3.4s

Counts
179 → 179
Iterations
IterNodes
done5000
34894
21688
1614
0238

prune594.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- 1 (/ 1.0 (exp x))))
0.0b
(/ 1.0 (exp x))
3.8b
(- 1 (/ 1.0 (exp x)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
79×*-un-lft-identity
70×times-frac
59×add-cube-cbrt
39×prod-diff
20×difference-of-squares
11×associate-/r*
add-exp-log
add-cbrt-cube
associate-/l*
div-inv distribute-lft-out-- add-log-exp
pow1
expm1-log1p-u fma-neg div-exp log1p-expm1-u
cbrt-undiv clear-num frac-2neg flip3-- associate-/r/ flip--
rec-exp sub-neg diff-log 1-exp pow-flip inv-pow
Counts
3 → 145
Calls
3 calls:
29.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
5.0ms
(/ 1.0 (exp x))
26.0ms
(- 1 (/ 1.0 (exp x)))

series162.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ 1 (- 1 (/ 1.0 (exp x))))
23.0ms
(/ 1.0 (exp x))
67.0ms
(- 1 (/ 1.0 (exp x)))

simplify3.3s

Counts
154 → 154
Iterations
IterNodes
done5000
34328
21436
1587
0257

prune465.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes103.0ms

Accuracy

97.6% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 21.1b

bsearch1.0ms

simplify3.0ms

Iterations
IterNodes
done23
123
018

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.1s2546×body10240exit
675.0ms2243×body1280valid
386.0ms1710×body640valid
137.0ms820×body320valid
99.0ms2822×body80valid
67.0ms406×body160valid