Details

Time bar (total: 10.7s)

sample40.0ms

Algorithm
intervals
Results
15.0ms80×body1280valid
6.0ms45×body640valid
4.0ms174×body80valid
2.0ms26×body320valid
1.0ms12×body160valid

simplify14.0ms

Counts
1 → 1
Iterations
IterNodes
done15
315
213
110
05

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.3b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
3.8b
(- (exp x) 1.0)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 52
Calls
2 calls:
20.0ms
(/ (- (exp x) 1.0) x)
16.0ms
(- (exp x) 1.0)

series90.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (- (exp x) 1.0) x)
24.0ms
(- (exp x) 1.0)

simplify1.7s

Counts
58 → 58
Iterations
IterNodes
done5002
31947
2569
1224
099

prune241.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize9.0ms

Local error

Found 2 expressions with local error:

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

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube associate-*r* associate-*l* add-exp-log add-cube-cbrt
pow-prod-down prod-exp associate-*r/ *-commutative cbrt-unprod add-log-exp unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+
Counts
2 → 40
Calls
2 calls:
37.0ms
(* x (+ (* 1/6 x) 1/2))
6.0ms
(* 1/6 x)

series86.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(* x (+ (* 1/6 x) 1/2))
24.0ms
(* 1/6 x)

simplify3.6s

Counts
46 → 46
Iterations
IterNodes
done5019
33635
2646
1204
070

prune161.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt x)
0.7b
(cbrt x)
0.7b
(cbrt x)
3.8b
(- (exp x) 1.0)

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
add-log-exp
pow1 add-cbrt-cube add-exp-log
pow1/3
sub-neg flip3-- diff-log flip-- distribute-lft-out-- difference-of-squares
Counts
4 → 47
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
2.0ms
(cbrt x)
15.0ms
(- (exp x) 1.0)

series795.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(cbrt x)
285.0ms
(cbrt x)
239.0ms
(cbrt x)
26.0ms
(- (exp x) 1.0)

simplify1.7s

Counts
59 → 59
Iterations
IterNodes
done5002
41842
3680
2284
1123
062

prune296.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes92.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.1b

bsearch44.0ms

Steps
ItersRangePoint
9
-0.03438460291724579
-3.2432757514909933e-09
-0.00016689112366788532

simplify4.0ms

Iterations
IterNodes
done21
121
015

end0.0ms

sample1.7s

Algorithm
intervals
Results
692.0ms2256×body1280valid
305.0ms1712×body640valid
249.0ms5394×body80valid
144.0ms830×body320valid
76.0ms402×body160valid