Details

Time bar (total: 9.0s)

sample32.0ms

Algorithm
intervals
Results
12.0ms79×body1280valid
4.0ms42×body640valid
4.0ms185×body80valid
2.0ms24×body320valid
1.0ms17×body160valid

simplify2.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
066
1116
2186
3276
4516
51096
62566
77196
824576
done50016

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.2b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
4.5b
(- (exp (* a x)) 1.0)

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
sub-neg exp-prod flip3-- exp-to-pow diff-log flip-- rem-exp-log distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
1.0ms
(exp (* a x))
5.0ms
(- (exp (* a x)) 1.0)

series50.0ms

Counts
2 → 6
Calls
2 calls:
12.0ms
(exp (* a x))
38.0ms
(- (exp (* a x)) 1.0)

simplify1.2s

Counts
46 → 46
Iterations

Useful iterations: 3 (226.0ms)

IterNodesCost
079557
1171457
2431386
31574346
done5001346

prune101.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 9.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 2 (* x a))
0.0b
(exp (* 2 (* x a)))
0.0b
(/ (- (exp (* 2 (* x a))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
4.5b
(- (exp (* 2 (* x a))) (* 1.0 1.0))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
23×add-sqr-sqrt
17×add-cube-cbrt
16×times-frac
11×add-exp-log add-cbrt-cube
pow1
add-log-exp
difference-of-squares
distribute-lft-out
expm1-log1p-u associate-/r* log1p-expm1-u associate-/l*
fma-neg associate-*l* prod-diff pow-prod-down prod-exp cbrt-unprod
flip3-- associate-/r/ flip-- associate-/l/
cbrt-undiv sub-neg exp-prod exp-to-pow frac-2neg flip3-+ diff-log div-sub div-exp associate-*r* clear-num *-commutative flip-+ div-inv rem-exp-log
Counts
4 → 96
Calls
4 calls:
6.0ms
(* 2 (* x a))
2.0ms
(exp (* 2 (* x a)))
17.0ms
(/ (- (exp (* 2 (* x a))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
6.0ms
(- (exp (* 2 (* x a))) (* 1.0 1.0))

series146.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(* 2 (* x a))
17.0ms
(exp (* 2 (* x a)))
66.0ms
(/ (- (exp (* 2 (* x a))) (* 1.0 1.0)) (+ (exp (* a x)) 1.0))
46.0ms
(- (exp (* 2 (* x a))) (* 1.0 1.0))

simplify912.0ms

Counts
108 → 108
Iterations

Useful iterations: done (908.0ms)

IterNodesCost
01671879
14201810
212731654
done50001628

prune302.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* a x) (+ (* 0.5 (* a x)) 1.0))
0.1b
(* (pow (* a x) 3) 0.16666666666666663)
0.3b
(pow (* a x) 3)
12.1b
(+ (* (* a x) (+ (* 0.5 (* a x)) 1.0)) (* (pow (* a x) 3) 0.16666666666666663))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
20×add-exp-log
14×add-cbrt-cube
12×pow1
11×add-sqr-sqrt
associate-*l* prod-exp
add-cube-cbrt *-un-lft-identity
associate-*r* add-log-exp
cbrt-unprod
expm1-log1p-u pow-prod-down pow-exp log1p-expm1-u
pow-unpow sqr-pow
distribute-rgt-in cube-mult pow-to-exp unpow-prod-down associate-+l+ pow-pow distribute-lft-in flip3-+ unpow3 cube-prod associate-*r/ *-commutative flip-+ rem-cube-cbrt unswap-sqr
+-commutative fma-def sum-log
Counts
4 → 92
Calls
4 calls:
22.0ms
(* (* a x) (+ (* 0.5 (* a x)) 1.0))
6.0ms
(* (pow (* a x) 3) 0.16666666666666663)
2.0ms
(pow (* a x) 3)
14.0ms
(+ (* (* a x) (+ (* 0.5 (* a x)) 1.0)) (* (pow (* a x) 3) 0.16666666666666663))

series305.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(* (* a x) (+ (* 0.5 (* a x)) 1.0))
73.0ms
(* (pow (* a x) 3) 0.16666666666666663)
50.0ms
(pow (* a x) 3)
119.0ms
(+ (* (* a x) (+ (* 0.5 (* a x)) 1.0)) (* (pow (* a x) 3) 0.16666666666666663))

simplify998.0ms

Counts
104 → 104
Iterations

Useful iterations: 2 (250.0ms)

IterNodesCost
01421380
13961160
221181069
done50001069

prune268.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 0.5 (* x a) 1.0)
0.1b
(* (pow (* a x) 3) 0.16666666666666663)
0.3b
(pow (* a x) 3)
4.8b
(fma (* x a) (fma 0.5 (* x a) 1.0) (* (pow (* a x) 3) 0.16666666666666663))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
15×add-exp-log
10×add-sqr-sqrt
add-cbrt-cube
associate-*l*
pow1 add-cube-cbrt *-un-lft-identity
prod-exp
expm1-log1p-u pow-exp log1p-expm1-u add-log-exp
pow-unpow associate-*r* sqr-pow
cube-mult pow-to-exp unpow-prod-down pow-pow unpow3 cube-prod cbrt-unprod fma-udef rem-cube-cbrt unswap-sqr
pow-prod-down *-commutative
Counts
4 → 72
Calls
4 calls:
0.0ms
(fma 0.5 (* x a) 1.0)
6.0ms
(* (pow (* a x) 3) 0.16666666666666663)
2.0ms
(pow (* a x) 3)
0.0ms
(fma (* x a) (fma 0.5 (* x a) 1.0) (* (pow (* a x) 3) 0.16666666666666663))

series249.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(fma 0.5 (* x a) 1.0)
69.0ms
(* (pow (* a x) 3) 0.16666666666666663)
50.0ms
(pow (* a x) 3)
99.0ms
(fma (* x a) (fma 0.5 (* x a) 1.0) (* (pow (* a x) 3) 0.16666666666666663))

simplify654.0ms

Counts
84 → 84
Iterations

Useful iterations: 2 (84.0ms)

IterNodesCost
0103882
1216804
2868718
done5001718

prune213.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes97.0ms

Accuracy

99.1% (0.2b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 21.2b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02542
12842
done2842

end0.0ms

sample996.0ms

Algorithm
intervals
Results
448.0ms2649×body1280valid
149.0ms1371×body640valid
123.0ms5510×body80valid
56.0ms781×body320valid
19.0ms391×body160valid