Details

Time bar (total: 16.4s)

sample63.0ms

Algorithm
intervals
Results
20.0ms69×body1280valid
15.0ms65×body10240exit
11.0ms47×body640valid
4.0ms93×body80valid
4.0ms26×body320valid
2.0ms21×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done11
211
110
05

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.5b
(/ (exp x) (- (exp x) 1))
5.9b
(- (exp x) 1)

rewrite46.0ms

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-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 63
Calls
2 calls:
37.0ms
(/ (exp x) (- (exp x) 1))
8.0ms
(- (exp x) 1)

series62.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ (exp x) (- (exp x) 1))
25.0ms
(- (exp x) 1)

simplify2.0s

Counts
69 → 69
Iterations
IterNodes
done5010
31632
2502
1203
0101

prune181.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.5b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.3b
(* 1/12 x)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
add-log-exp
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l*
insert-posit16
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
2 → 33
Calls
2 calls:
23.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
5.0ms
(* 1/12 x)

series38.0ms

Counts
2 → 6
Calls
2 calls:
19.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
19.0ms
(* 1/12 x)

simplify1.6s

Counts
39 → 39
Iterations
IterNodes
done5006
31777
2480
1156
060

prune152.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.5b

localize29.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1
10×add-sqr-sqrt
pow1/3
*-un-lft-identity add-cube-cbrt
cbrt-prod
add-exp-log
add-cbrt-cube swap-sqr associate-*r* associate-*l* insert-posit16 add-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 62
Calls
4 calls:
20.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
3.0ms
(cbrt (* 1/12 x))
3.0ms
(cbrt (* 1/12 x))
3.0ms
(cbrt (* 1/12 x))

series1.3s

Counts
4 → 12
Calls
4 calls:
379.0ms
(* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))
346.0ms
(cbrt (* 1/12 x))
287.0ms
(cbrt (* 1/12 x))
241.0ms
(cbrt (* 1/12 x))

simplify2.1s

Counts
74 → 74
Iterations
IterNodes
done5000
42719
3821
2344
1137
057

prune338.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

localize52.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))
0.6b
(cbrt (* 1/12 x))
58.9b
(posit16->real (real->posit16 (* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
cbrt-prod pow1/3
remove-posit16
Counts
4 → 39
Calls
4 calls:
5.0ms
(cbrt (* 1/12 x))
4.0ms
(cbrt (* 1/12 x))
2.0ms
(cbrt (* 1/12 x))
0.0ms
(posit16->real (real->posit16 (* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
289.0ms
(cbrt (* 1/12 x))
312.0ms
(cbrt (* 1/12 x))
283.0ms
(cbrt (* 1/12 x))
339.0ms
(posit16->real (real->posit16 (* (cbrt (* 1/12 x)) (cbrt (* 1/12 x)))))

simplify2.6s

Counts
51 → 51
Iterations
IterNodes
done5001
53984
41012
3363
2158
170
040

prune638.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.5b

regimes160.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.7b against oracle of 0.4b and baseline of 21.6b

bsearch2.0ms

simplify8.0ms

Iterations
IterNodes
done28
128
021

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.1s2466×body10240exit
1.0s2237×body1280valid
992.0ms1593×body640valid
182.0ms2900×body80valid
170.0ms850×body320valid
90.0ms423×body160valid