Details

Time bar (total: 21.4s)

sample74.0ms

Algorithm
intervals
Results
28.0ms72×body1280valid
18.0ms47×body640valid
10.0ms169×body80valid
7.0ms36×body320valid
1.0ms13×body160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done18
318
216
113
05

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 40.7b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1) x)
4.7b
(- (exp x) 1)

rewrite49.0ms

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:
27.0ms
(/ (- (exp x) 1) x)
15.0ms
(- (exp x) 1)

series83.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(/ (- (exp x) 1) x)
25.0ms
(- (exp x) 1)

simplify1.6s

Counts
70 → 70
Iterations
IterNodes
done5004
31887
2592
1239
0108

prune244.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1 (* x (+ 1/2 (* 1/6 x))))
0.0b
(+ 1/2 (* 1/6 x))
0.1b
(* x (+ 1/2 (* 1/6 x)))
0.4b
(* 1/6 x)

rewrite271.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
12×add-sqr-sqrt
associate-*l*
pow1 add-cbrt-cube associate-*r* add-exp-log add-cube-cbrt add-log-exp
+-commutative distribute-lft-out
distribute-rgt-in associate-+r+ distribute-lft-in insert-posit16
flip3-+ flip-+
sum-log pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod unswap-sqr
Counts
4 → 78
Calls
4 calls:
168.0ms
(+ 1 (* x (+ 1/2 (* 1/6 x))))
15.0ms
(+ 1/2 (* 1/6 x))
72.0ms
(* x (+ 1/2 (* 1/6 x)))
13.0ms
(* 1/6 x)

series189.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(+ 1 (* x (+ 1/2 (* 1/6 x))))
54.0ms
(+ 1/2 (* 1/6 x))
78.0ms
(* x (+ 1/2 (* 1/6 x)))
22.0ms
(* 1/6 x)

simplify1.1s

Counts
90 → 90
Iterations
IterNodes
done5000
2929
1302
0107

prune304.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x (+ 1/2 (* 1/6 x))) 1)
0.0b
(+ 1/2 (* 1/6 x))
0.1b
(* x (+ 1/2 (* 1/6 x)))
0.4b
(* 1/6 x)

rewrite457.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
12×add-sqr-sqrt
associate-*l*
pow1 add-cbrt-cube associate-*r* add-exp-log add-cube-cbrt add-log-exp
+-commutative distribute-lft-out
distribute-rgt-in associate-+l+ distribute-lft-in insert-posit16
flip3-+ flip-+
sum-log pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod unswap-sqr
Counts
4 → 78
Calls
4 calls:
364.0ms
(+ (* x (+ 1/2 (* 1/6 x))) 1)
26.0ms
(+ 1/2 (* 1/6 x))
56.0ms
(* x (+ 1/2 (* 1/6 x)))
9.0ms
(* 1/6 x)

series200.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(+ (* x (+ 1/2 (* 1/6 x))) 1)
40.0ms
(+ 1/2 (* 1/6 x))
97.0ms
(* x (+ 1/2 (* 1/6 x)))
25.0ms
(* 1/6 x)

simplify3.4s

Counts
90 → 90
Iterations
IterNodes
done5000
34057
2914
1301
0107

prune260.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 4 expressions with local error:

0.4b
(* 1/6 x)
0.4b
(* 1/6 x)
0.4b
(* 1/6 x)
12.5b
(/ (- (* (* x (+ 1/2 (* 1/6 x))) (* x (+ 1/2 (* 1/6 x)))) 1) (- (* x (+ 1/2 (* 1/6 x))) 1))

rewrite6.6s

Algorithm
rewrite-expression-head
Rules
1228×add-sqr-sqrt
465×unswap-sqr
440×*-un-lft-identity
363×times-frac
352×difference-of-squares
176×difference-of-sqr-1
104×distribute-lft-out--
79×associate-*l*
72×swap-sqr
56×add-cube-cbrt
39×*-commutative
33×associate-/l*
12×add-cbrt-cube add-exp-log
11×associate-/r*
10×pow1
associate-*r*
insert-posit16 add-log-exp
pow-prod-down prod-exp cbrt-unprod
flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp div-inv
Counts
4 → 482
Calls
4 calls:
13.0ms
(* 1/6 x)
13.0ms
(* 1/6 x)
13.0ms
(* 1/6 x)
6.6s
(/ (- (* (* x (+ 1/2 (* 1/6 x))) (* x (+ 1/2 (* 1/6 x)))) 1) (- (* x (+ 1/2 (* 1/6 x))) 1))

series144.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(* 1/6 x)
22.0ms
(* 1/6 x)
15.0ms
(* 1/6 x)
90.0ms
(/ (- (* (* x (+ 1/2 (* 1/6 x))) (* x (+ 1/2 (* 1/6 x)))) 1) (- (* x (+ 1/2 (* 1/6 x))) 1))

simplify2.4s

Counts
494 → 494
Iterations
IterNodes
done5001
22029
1814
0353

prune1.2s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

regimes42.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 20.2b

bsearch45.0ms

Steps
ItersRangePoint
6
-0.0005350557287305616
-5.532094628653386e-05
-9.8136436745457e-05

simplify8.0ms

Iterations
IterNodes
done33
133
022

end0.0ms

sample2.6s

Algorithm
intervals
Results
1.0s2277×body1280valid
505.0ms466×body160valid
445.0ms1638×body640valid
303.0ms5311×body80valid
164.0ms900×body320valid