Details

Time bar (total: 18.2s)

sample80.0ms

Algorithm
intervals
Results
36.0ms90×body1280valid
8.0ms39×body640valid
7.0ms163×body80valid
4.0ms24×body320valid
1.0ms12×body160valid

simplify3.4s

Counts
1 → 1
Iterations
IterNodes
done5001
73485
6450
5118
451
327
218
111
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.7b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
3.6b
(- (exp (* a x)) 1.0)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
exp-prod sub-neg flip3-- exp-to-pow diff-log flip-- distribute-lft-out-- difference-of-squares rem-exp-log
Counts
2 → 40
Calls
2 calls:
9.0ms
(exp (* a x))
20.0ms
(- (exp (* a x)) 1.0)

series63.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(exp (* a x))
41.0ms
(- (exp (* a x)) 1.0)

simplify2.1s

Counts
46 → 46
Iterations
IterNodes
done5000
33404
2600
1183
079

prune294.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.4b
(* 1/6 a)
0.8b
(* (* 1/6 a) (* (* x a) (* x a)))
1.5b
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
11.8b
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
49×pow1 add-cbrt-cube add-exp-log
33×pow-prod-down prod-exp cbrt-unprod
12×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
associate-*r* associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
associate-*r/ unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+ fma-udef
Counts
4 → 96
Calls
4 calls:
11.0ms
(* 1/6 a)
127.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
24.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
1.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

series414.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(* 1/6 a)
59.0ms
(* (* 1/6 a) (* (* x a) (* x a)))
162.0ms
(* x (+ a (* (* 1/6 a) (* (* x a) (* x a)))))
165.0ms
(fma 1/2 (* (* x a) (* x a)) (* x (+ a (* (* 1/6 a) (* (* x a) (* x a))))))

simplify2.5s

Counts
108 → 108
Iterations
IterNodes
done5002
22797
1447
0147

prune530.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.4b
(* a 1/6)
1.4b
(* x (* (* x a) (* x a)))
3.2b
(* (* x (* (* x a) (* x a))) (* a 1/6))
11.8b
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* (* x (* (* x a) (* x a))) (* a 1/6))))

rewrite756.0ms

Algorithm
rewrite-expression-head
Rules
80×pow1 add-cbrt-cube add-exp-log
58×pow-prod-down prod-exp cbrt-unprod
10×add-sqr-sqrt
*-un-lft-identity associate-*l* add-cube-cbrt
associate-*r*
expm1-log1p-u log1p-expm1-u add-log-exp
*-commutative
unswap-sqr
fma-udef
Counts
4 → 108
Calls
4 calls:
11.0ms
(* a 1/6)
104.0ms
(* x (* (* x a) (* x a)))
631.0ms
(* (* x (* (* x a) (* x a))) (* a 1/6))
1.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* (* x (* (* x a) (* x a))) (* a 1/6))))

series303.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(* a 1/6)
46.0ms
(* x (* (* x a) (* x a)))
86.0ms
(* (* x (* (* x a) (* x a))) (* a 1/6))
144.0ms
(fma 1/2 (* (* x a) (* x a)) (+ (* x a) (* (* x (* (* x a) (* x a))) (* a 1/6))))

simplify2.4s

Counts
120 → 120
Iterations
IterNodes
done5000
22718
1430
0144

prune496.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize40.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* a x))
0.0b
(exp (* a x))
0.2b
(* 3 (* a x))
3.8b
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u log1p-expm1-u
fma-neg associate-*l* prod-diff pow-prod-down prod-exp cbrt-unprod
exp-prod exp-to-pow rem-exp-log
sub-neg flip3-- diff-log associate-*r* *-commutative flip--
Counts
4 → 64
Calls
4 calls:
3.0ms
(exp (* a x))
3.0ms
(exp (* a x))
12.0ms
(* 3 (* a x))
25.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

series142.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(exp (* a x))
23.0ms
(exp (* a x))
35.0ms
(* 3 (* a x))
61.0ms
(- (exp (* 3 (* a x))) (* (* 1.0 1.0) 1.0))

simplify1.1s

Counts
76 → 76
Iterations
IterNodes
done5001
21217
1255
0103

prune548.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

regimes550.0ms

Accuracy

98.5% (0.3b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 21.5b

bsearch2.0ms

simplify17.0ms

Iterations
IterNodes
done43
343
241
138
029

end0.0ms

sample2.1s

Algorithm
intervals
Results
975.0ms2701×body1280valid
294.0ms1304×body640valid
259.0ms5509×body80valid
121.0ms804×body320valid
33.0ms387×body160valid