Details

Time bar (total: 14.2s)

sample224.0ms

Algorithm
intervals
Results
69.0ms49×body640valid
43.0ms60×body1280valid
43.0ms58×body10240exit
33.0ms323×body80valid
5.0ms19×body320valid
2.0ms11×body160valid

simplify29.0ms

Counts
1 → 1

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.1b

localize22.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* (+ 1.0 eps) x))
0.0b
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
0.0b
(/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x)))
2.2b
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

rewrite498.0ms

Algorithm
rewrite-expression-head
Rules
118×*-un-lft-identity
106×times-frac
90×add-sqr-sqrt
34×add-cube-cbrt
26×distribute-lft-out--
17×difference-of-squares
10×distribute-lft-out associate-/l* add-log-exp
add-cbrt-cube
add-exp-log associate-/r*
pow1 div-inv associate-/l/
div-sub
cbrt-undiv flip3-- exp-to-pow frac-2neg div-exp clear-num flip--
sub-neg exp-prod distribute-rgt-out-- flip3-+ diff-log sum-log frac-sub flip-+ rem-exp-log sub-div associate--r-
Counts
4 → 127
Calls
4 calls:
7.0ms
(exp (* (+ 1.0 eps) x))
48.0ms
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
42.0ms
(/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x)))
395.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

series450.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(exp (* (+ 1.0 eps) x))
88.0ms
(/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x)))
60.0ms
(/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x)))
278.0ms
(- (/ (/ (+ 1.0 (/ 1.0 eps)) (exp (* (- 1.0 eps) x))) 2.0) (/ (/ (- (/ 1.0 eps) 1.0) (exp (* (+ 1.0 eps) x))) 2.0))

simplify69.0ms

Counts
139 → 139

prune548.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize8.0ms

Local error

Found 1 expressions with local error:

0.1b
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

rewrite69.0ms

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:
68.0ms
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

series103.0ms

Counts
1 → 3
Calls
1 calls:
103.0ms
(* (pow x 2) (- (* x 0.33333333333333337) 0.5))

simplify87.0ms

Counts
36 → 36

prune90.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(pow (cbrt x) 2)
0.7b
(cbrt x)
0.7b
(cbrt x)
0.7b
(cbrt x)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
unpow-prod-down
pow1 add-exp-log
pow1/3 add-cbrt-cube add-log-exp
pow-unpow
pow-pow
pow-to-exp pow-exp unpow2 sqr-pow
Counts
4 → 55
Calls
4 calls:
3.0ms
(pow (cbrt x) 2)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)

series999.0ms

Counts
4 → 12
Calls
4 calls:
311.0ms
(pow (cbrt x) 2)
247.0ms
(cbrt x)
196.0ms
(cbrt x)
245.0ms
(cbrt x)

simplify33.0ms

Counts
67 → 67

prune296.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

localize42.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt x)
0.7b
(cbrt x)
0.7b
(cbrt x)
0.7b
(cbrt x)

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log pow1/3 add-cbrt-cube add-log-exp
Counts
4 → 44
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)

series1.2s

Counts
4 → 12
Calls
4 calls:
269.0ms
(cbrt x)
274.0ms
(cbrt x)
323.0ms
(cbrt x)
287.0ms
(cbrt x)

simplify60.0ms

Counts
56 → 56

prune358.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.6b

regimes90.0ms

Accuracy

96.2% (0.6b remaining)

Error of 1.1b against oracle of 0.5b and baseline of 16.9b

bsearch253.0ms

Steps
ItersRangePoint
10
0.020866843422312147
2505339872.7713137
13.353249535540975

simplify31.0ms

end0.0ms

sample8.7s

Algorithm
intervals
Results
2.6s1972×body10240exit
2.4s1744×body1280valid
1.9s10189×body80valid
738.0ms1273×body640valid
279.0ms603×body320valid
67.0ms316×body160valid