Details

Time bar (total: 11.3s)

sample53.0ms

Algorithm
intervals
Results
23.0ms78×body1280valid
11.0ms54×body640valid
8.0ms183×body80valid
2.0ms18×body320valid
1.0ms11×body160valid

simplify32.0ms

Counts
1 → 1

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize17.0ms

Local error

Found 2 expressions with local error:

3.6b
(- (exp x) 1)
0.0b
(/ (- (exp x) 1) x)

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/l*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-exp-log add-log-exp
associate-/r*
pow1 flip3-- insert-posit16 flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 64
Calls
2 calls:
Slowest
28.0ms
(/ (- (exp x) 1) x)
17.0ms
(- (exp x) 1)

series73.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
56.0ms
(/ (- (exp x) 1) x)
17.0ms
(- (exp x) 1)

simplify1.2s

Counts
70 → 70

prune492.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.3b
(* 1/6 x)
0.1b
(* x (+ 1/2 (* 1/6 x)))
0.0b
(+ 1/2 (* 1/6 x))
0.0b
(+ 1 (* x (+ 1/2 (* 1/6 x))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt add-log-exp
associate-*r* associate-*l*
insert-posit16
flip3-+ flip-+
distribute-rgt-in +-commutative associate-+r+ sum-log distribute-lft-in pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod unswap-sqr
Counts
4 → 68
Calls
4 calls:
Slowest
22.0ms
(* x (+ 1/2 (* 1/6 x)))
10.0ms
(* 1/6 x)
10.0ms
(+ 1 (* x (+ 1/2 (* 1/6 x))))
9.0ms
(+ 1/2 (* 1/6 x))

series185.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
85.0ms
(* x (+ 1/2 (* 1/6 x)))
60.0ms
(+ 1/2 (* 1/6 x))
24.0ms
(+ 1 (* x (+ 1/2 (* 1/6 x))))
16.0ms
(* 1/6 x)

simplify1.6s

Counts
80 → 80

prune662.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

3.7b
(log (exp (* x (+ 1/2 (* 1/6 x)))))
0.3b
(* 1/6 x)
0.1b
(* x (+ 1/2 (* 1/6 x)))
0.0b
(+ 1/2 (* 1/6 x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log
add-log-exp
associate-*r* associate-*l*
log-prod
insert-posit16
log-pow
distribute-rgt-in distribute-lft-in flip3-+ exp-sum pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod flip-+ unswap-sqr
+-commutative exp-prod sum-log exp-to-pow rem-log-exp
Counts
4 → 71
Calls
4 calls:
Slowest
21.0ms
(* x (+ 1/2 (* 1/6 x)))
10.0ms
(* 1/6 x)
7.0ms
(log (exp (* x (+ 1/2 (* 1/6 x)))))
7.0ms
(+ 1/2 (* 1/6 x))

series259.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
98.0ms
(log (exp (* x (+ 1/2 (* 1/6 x)))))
88.0ms
(* x (+ 1/2 (* 1/6 x)))
44.0ms
(+ 1/2 (* 1/6 x))
29.0ms
(* 1/6 x)

simplify1.1s

Counts
83 → 83

prune621.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 2 expressions with local error:

3.1b
(- (/ (exp x) x) (/ 1 x))
0.0b
(/ (exp x) x)

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
26×*-un-lft-identity
23×times-frac
12×add-cube-cbrt
div-inv difference-of-squares
distribute-lft-out--
add-cbrt-cube add-log-exp
associate-/r* distribute-rgt-out-- add-exp-log associate-/l*
pow1 insert-posit16
cbrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log div-exp frac-sub flip-- sub-div
Counts
2 → 57
Calls
2 calls:
Slowest
33.0ms
(- (/ (exp x) x) (/ 1 x))
12.0ms
(/ (exp x) x)

series75.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
43.0ms
(- (/ (exp x) x) (/ 1 x))
32.0ms
(/ (exp x) x)

simplify1.4s

Counts
63 → 63

prune422.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes33.0ms

Accuracy

98.5% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 21.4b

bsearch75.0ms

end0.0ms

sample2.8s

Algorithm
intervals
Results
1.1s2213×body1280valid
934.0ms1689×body640valid
354.0ms5611×body80valid
190.0ms827×body320valid
55.0ms420×body160valid