Details

Time bar (total: 10.5s)

sample60.0ms

Algorithm
intervals
Results
21.0ms62×body1280valid
11.0ms47×body640valid
8.0ms172×body80valid
5.0ms31×body320valid
2.0ms16×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done15
315
213
110
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.6b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
4.8b
(- (exp x) 1.0)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/l* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log add-log-exp
associate-/r* fma-neg
expm1-log1p-u pow1 flip3-- log1p-expm1-u flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 68
Calls
2 calls:
27.0ms
(/ (- (exp x) 1.0) x)
17.0ms
(- (exp x) 1.0)

series85.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ (- (exp x) 1.0) x)
18.0ms
(- (exp x) 1.0)

simplify757.0ms

Counts
74 → 74
Iterations
IterNodes
done5000
21006
1296
0127

prune331.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma x 1/2 (fma 1/6 (* x x) 1))
0.1b
(fma 1/6 (* x x) 1)

rewrite2.0ms

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
2 → 20
Calls
2 calls:
0.0ms
(fma x 1/2 (fma 1/6 (* x x) 1))
1.0ms
(fma 1/6 (* x x) 1)

series131.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(fma x 1/2 (fma 1/6 (* x x) 1))
92.0ms
(fma 1/6 (* x x) 1)

simplify1.1s

Counts
26 → 26
Iterations
IterNodes
done5000
31360
2200
154
033

prune128.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (exp x) x)
4.5b
(- (/ (exp x) x) (/ 1.0 x))

rewrite78.0ms

Algorithm
rewrite-expression-head
Rules
262×times-frac
213×add-sqr-sqrt
209×*-un-lft-identity
201×add-cube-cbrt
169×prod-diff
30×div-inv
13×fma-neg
add-cbrt-cube distribute-lft-out-- add-log-exp difference-of-squares
associate-/r* add-exp-log associate-/l*
expm1-log1p-u pow1 log1p-expm1-u
cbrt-undiv clear-num sub-neg frac-2neg flip3-- distribute-rgt-out-- diff-log div-exp frac-sub flip-- sub-div
Counts
2 → 236
Calls
2 calls:
6.0ms
(/ (exp x) x)
42.0ms
(- (/ (exp x) x) (/ 1.0 x))

series87.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ (exp x) x)
62.0ms
(- (/ (exp x) x) (/ 1.0 x))

simplify1.7s

Counts
242 → 242
Iterations
IterNodes
done5001
22598
1783
0342

prune663.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (exp x))
0.0b
(sqrt (exp x))
0.0b
(* (+ (sqrt 1.0) (sqrt (exp x))) (- (sqrt (exp x)) (sqrt 1.0)))
4.8b
(- (sqrt (exp x)) (sqrt 1.0))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
131×sqrt-prod
108×prod-diff
104×add-sqr-sqrt
96×*-un-lft-identity
84×add-cube-cbrt
38×distribute-rgt-in distribute-lft-in
associate-*r*
pow1 sqrt-pow1 difference-of-squares
exp-prod add-cbrt-cube fma-neg add-exp-log add-log-exp
associate-*l*
expm1-log1p-u frac-times flip3-- log1p-expm1-u flip-- distribute-lft-out--
sub-neg flip3-+ flip-+
rem-sqrt-square pow1/2 associate-*l/ associate-*r/ distribute-lft-out
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 210
Calls
4 calls:
5.0ms
(sqrt (exp x))
3.0ms
(sqrt (exp x))
121.0ms
(* (+ (sqrt 1.0) (sqrt (exp x))) (- (sqrt (exp x)) (sqrt 1.0)))
30.0ms
(- (sqrt (exp x)) (sqrt 1.0))

series249.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(sqrt (exp x))
20.0ms
(sqrt (exp x))
144.0ms
(* (+ (sqrt 1.0) (sqrt (exp x))) (- (sqrt (exp x)) (sqrt 1.0)))
72.0ms
(- (sqrt (exp x)) (sqrt 1.0))

simplify2.0s

Counts
222 → 222
Iterations
IterNodes
done5000
24093
1709
0224

prune532.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes36.0ms

Accuracy

98.8% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 21.1b

bsearch41.0ms

Steps
ItersRangePoint
9
-0.0007095347148853646
-4.632829109756021e-12
-0.00022388012385775216

simplify5.0ms

Iterations
IterNodes
done29
229
128
023

end0.0ms

sample2.2s

Algorithm
intervals
Results
1.3s2190×body1280valid
323.0ms1688×body640valid
197.0ms5514×body80valid
114.0ms889×body320valid
35.0ms436×body160valid