Details

Time bar (total: 12.5s)

sample34.0ms

Algorithm
intervals
Results
16.0ms97×body1280valid
4.0ms45×body640valid
3.0ms158×body80valid
1.0ms15×body320valid
1.0ms16×body160valid

simplify4.6s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
066
1116
2186
3276
4516
51106
62726
711556
840596
done50006

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.7b

localize4.0ms

Local error

Found 1 expressions with local error:

3.5b
(- (exp (* a x)) 1.0)

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
pow1 add-exp-log expm1-log1p-u sub-neg flip3-- diff-log add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
5.0ms
(- (exp (* a x)) 1.0)

series33.0ms

Counts
1 → 3
Calls
1 calls:
33.0ms
(- (exp (* a x)) 1.0)

simplify1.4s

Counts
31 → 31
Iterations

Useful iterations: 3 (259.0ms)

IterNodesCost
072472
1169384
2536304
32521255
done5000255

prune70.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 5.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/6 (pow a 3))
4.6b
(* (* 1/6 (pow a 3)) x)
10.7b
(+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2)))
13.9b
(* (pow x 2) (+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2))))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
24×add-exp-log
18×associate-*r*
13×prod-exp add-cbrt-cube
12×add-cube-cbrt *-un-lft-identity associate-*l*
unpow-prod-down unswap-sqr
pow1 add-log-exp
cbrt-unprod
expm1-log1p-u cube-prod log1p-expm1-u sqr-pow
pow-to-exp pow-exp *-commutative
flip3-+ associate-*r/ flip-+ unpow2
+-commutative distribute-rgt-in cube-mult fma-def distribute-lft-in unpow3 pow-prod-down sum-log
Counts
4 → 101
Calls
4 calls:
7.0ms
(* 1/6 (pow a 3))
10.0ms
(* (* 1/6 (pow a 3)) x)
9.0ms
(+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2)))
41.0ms
(* (pow x 2) (+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2))))

series243.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* 1/6 (pow a 3))
28.0ms
(* (* 1/6 (pow a 3)) x)
58.0ms
(+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2)))
122.0ms
(* (pow x 2) (+ (* (* 1/6 (pow a 3)) x) (* 1/2 (pow a 2))))

simplify1.2s

Counts
113 → 113
Iterations

Useful iterations: 2 (205.0ms)

IterNodesCost
01561654
14461463
223291314
done50011314

prune290.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(log (pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))))
0.1b
(* 1/6 (pow a 3))
7.9b
(pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2))))
14.7b
(fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
12×add-cube-cbrt *-un-lft-identity associate-*r*
10×add-exp-log unpow-prod-down
log-prod
add-cbrt-cube
pow1 add-log-exp
expm1-log1p-u cube-prod log1p-expm1-u unswap-sqr sqr-pow
pow-to-exp pow-unpow pow-pow rem-log-exp associate-*l* pow-exp prod-exp fma-udef
unpow-prod-up
cube-mult exp-prod exp-to-pow unpow3 log-pow *-commutative cbrt-unprod
Counts
4 → 86
Calls
4 calls:
2.0ms
(log (pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))))
7.0ms
(* 1/6 (pow a 3))
2.0ms
(pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2))))
0.0ms
(fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))

series246.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(log (pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))))
34.0ms
(* 1/6 (pow a 3))
52.0ms
(pow (exp (* x x)) (fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2))))
56.0ms
(fma (* 1/6 (pow a 3)) x (* 1/2 (pow a 2)))

simplify611.0ms

Counts
98 → 98
Iterations

Useful iterations: 2 (95.0ms)

IterNodesCost
01281559
12681427
210621322
done50011322

prune321.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (exp (* a x)))
0.0b
(sqrt (exp (* a x)))
0.0b
(+ (sqrt (exp (* a x))) (sqrt 1.0))
3.5b
(- (sqrt (exp (* a x))) (sqrt 1.0))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
56×sqrt-prod
44×add-sqr-sqrt
42×*-un-lft-identity
36×prod-diff
34×add-cube-cbrt
10×add-log-exp
pow1 fma-def sqrt-pow1 fma-neg
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u difference-of-squares
rem-sqrt-square exp-prod exp-to-pow pow1/2 distribute-lft-out distribute-lft-out--
+-commutative sub-neg flip3-- flip3-+ diff-log sum-log flip-- flip-+
Counts
4 → 117
Calls
4 calls:
1.0ms
(sqrt (exp (* a x)))
1.0ms
(sqrt (exp (* a x)))
7.0ms
(+ (sqrt (exp (* a x))) (sqrt 1.0))
10.0ms
(- (sqrt (exp (* a x))) (sqrt 1.0))

series151.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(sqrt (exp (* a x)))
21.0ms
(sqrt (exp (* a x)))
46.0ms
(+ (sqrt (exp (* a x))) (sqrt 1.0))
59.0ms
(- (sqrt (exp (* a x))) (sqrt 1.0))

simplify1.9s

Counts
129 → 129
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01242204
12701698
27711382
330651220
done50001214

prune240.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

regimes128.0ms

Accuracy

86.3% (3.3b remaining)

Error of 3.6b against oracle of 0.3b and baseline of 24.7b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03065
13665
done3665

end0.0ms

sample913.0ms

Algorithm
intervals
Results
428.0ms2708×body1280valid
127.0ms1309×body640valid
108.0ms5401×body80valid
49.0ms756×body320valid
18.0ms409×body160valid