Details

Time bar (total: 19.7s)

sample241.0ms

Algorithm
intervals
Results
79.0ms58×body10240exit
49.0ms51×body1280valid
43.0ms316×body80valid
22.0ms38×body640valid
9.0ms24×body320valid
3.0msbody160valid

simplify646.0ms

Counts
1 → 1

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.5b

localize65.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
0.0b
(exp (* (- 1.0 eps) x))
0.0b
(exp (* (+ 1.0 eps) x))
2.7b
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

rewrite540.0ms

Algorithm
rewrite-expression-head
Rules
101×*-un-lft-identity
94×times-frac
81×add-sqr-sqrt
26×distribute-lft-out--
25×add-cube-cbrt
17×difference-of-squares
14×add-log-exp
add-cbrt-cube distribute-lft-out associate-/l*
add-exp-log
pow1 exp-to-pow
div-sub associate-/r* div-inv
exp-prod flip3-- diff-log flip-- rem-exp-log associate-/l/
cbrt-undiv sub-neg distribute-rgt-out-- frac-2neg div-exp clear-num sum-log frac-sub sub-div associate--r-
Counts
4 → 105
Calls
4 calls:
50.0ms
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
11.0ms
(exp (* (- 1.0 eps) x))
7.0ms
(exp (* (+ 1.0 eps) x))
465.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

series425.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
35.0ms
(exp (* (- 1.0 eps) x))
36.0ms
(exp (* (+ 1.0 eps) x))
303.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

simplify603.0ms

Counts
117 → 117

prune512.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize22.0ms

Local error

Found 1 expressions with local error:

0.0b
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
associate-*l*
add-exp-log
add-cube-cbrt unpow-prod-down *-un-lft-identity unswap-sqr
associate-*r* prod-exp add-cbrt-cube
distribute-rgt-in sub-neg distribute-lft-in associate-*r/ unpow2 sqr-pow
pow1 pow-to-exp flip3-- pow-exp *-commutative flip-- cbrt-unprod add-log-exp
Counts
1 → 33
Calls
1 calls:
69.0ms
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

series132.0ms

Counts
1 → 3
Calls
1 calls:
132.0ms
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

simplify2.3s

Counts
36 → 36

prune116.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize61.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* (- 1.0 eps) x))
0.0b
(exp (* (+ 1.0 eps) x))
0.0b
(exp (* (+ 1.0 eps) x))
2.9b
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (/ 1.0 eps) (exp (* (+ 1.0 eps) x))) 2.0))

rewrite577.0ms

Algorithm
rewrite-expression-head
Rules
64×add-sqr-sqrt
60×times-frac
45×*-un-lft-identity
18×add-log-exp
12×difference-of-squares
10×add-cube-cbrt distribute-lft-out--
exp-to-pow
pow1 add-exp-log add-cbrt-cube
exp-prod rem-exp-log distribute-lft-out
diff-log sum-log div-inv
sub-neg flip3-- distribute-rgt-out-- frac-sub flip-- sub-div
Counts
4 → 70
Calls
4 calls:
9.0ms
(exp (* (- 1.0 eps) x))
7.0ms
(exp (* (+ 1.0 eps) x))
7.0ms
(exp (* (+ 1.0 eps) x))
550.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (/ 1.0 eps) (exp (* (+ 1.0 eps) x))) 2.0))

series254.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(exp (* (- 1.0 eps) x))
24.0ms
(exp (* (+ 1.0 eps) x))
34.0ms
(exp (* (+ 1.0 eps) x))
164.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (/ 1.0 eps) (exp (* (+ 1.0 eps) x))) 2.0))

simplify1.3s

Counts
82 → 82

prune425.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* x (- 1.0 eps)))
0.0b
(exp (* x (+ eps 1.0)))
0.0b
(exp (* (+ 1.0 eps) x))
2.2b
(- (/ (/ 0.5 eps) (exp (* x (+ eps 1.0)))) (/ (/ 0.5 eps) (exp (* x (- 1.0 eps)))))

rewrite476.0ms

Algorithm
rewrite-expression-head
Rules
62×times-frac
54×add-sqr-sqrt
46×*-un-lft-identity
18×add-cube-cbrt
15×distribute-lft-out--
14×add-log-exp
difference-of-squares
exp-sum
pow1 add-exp-log exp-to-pow add-cbrt-cube div-inv
distribute-rgt-in sub-neg exp-prod distribute-lft-in rem-exp-log
flip3-- diff-log sum-log frac-sub flip--
Counts
4 → 74
Calls
4 calls:
13.0ms
(exp (* x (- 1.0 eps)))
10.0ms
(exp (* x (+ eps 1.0)))
12.0ms
(exp (* (+ 1.0 eps) x))
437.0ms
(- (/ (/ 0.5 eps) (exp (* x (+ eps 1.0)))) (/ (/ 0.5 eps) (exp (* x (- 1.0 eps)))))

series207.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(exp (* x (- 1.0 eps)))
13.0ms
(exp (* x (+ eps 1.0)))
24.0ms
(exp (* (+ 1.0 eps) x))
153.0ms
(- (/ (/ 0.5 eps) (exp (* x (+ eps 1.0)))) (/ (/ 0.5 eps) (exp (* x (- 1.0 eps)))))

simplify1.3s

Counts
86 → 86

prune429.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes81.0ms

Accuracy

0% (0.6b remaining)

Error of 1.0b against oracle of 0.4b and baseline of 1.0b

bsearch0.0ms

simplify751.0ms

end0.0ms

sample8.1s

Algorithm
intervals
Results
2.7s1961×body10240exit
1.8s9950×body80valid
1.5s1715×body1280valid
733.0ms1276×body640valid
642.0ms629×body320valid
64.0ms324×body160valid