Details

Time bar (total: 18.2s)

sample90.0ms

Algorithm
intervals
Results
38.0ms120×body1280valid
15.0ms74×body640valid
9.0ms286×body80valid
6.0ms19×body160valid
4.0ms37×body320valid

simplify25.0ms

Counts
1 → 1
Iterations
IterNodes
done36
636
535
433
330
224
114
07

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.6b

localize14.0ms

Local error

Found 1 expressions with local error:

6.1b
(- (exp x) (exp (- x)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log add-exp-log log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 28
Calls
1 calls:
35.0ms
(- (exp x) (exp (- x)))

series39.0ms

Counts
1 → 3
Calls
1 calls:
39.0ms
(- (exp x) (exp (- x)))

simplify3.1s

Counts
31 → 31
Iterations
IterNodes
done5000
44704
31166
2418
1170
073

prune102.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma 1/3 (* x x) 2)
0.0b
(fma (pow x 5) 1/60 (* x (fma 1/3 (* x x) 2)))
0.0b
(* x (fma 1/3 (* x x) 2))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
fma-udef
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
3 → 42
Calls
3 calls:
0.0ms
(fma 1/3 (* x x) 2)
0.0ms
(fma (pow x 5) 1/60 (* x (fma 1/3 (* x x) 2)))
6.0ms
(* x (fma 1/3 (* x x) 2))

series213.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(fma 1/3 (* x x) 2)
64.0ms
(fma (pow x 5) 1/60 (* x (fma 1/3 (* x x) 2)))
90.0ms
(* x (fma 1/3 (* x x) 2))

simplify1.8s

Counts
51 → 51
Iterations
IterNodes
done5025
31864
2390
1143
066

prune290.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (* 1/3 (* x x)) x) (* 2 x))
0.0b
(fma (pow x 5) 1/60 (+ (* (* 1/3 (* x x)) x) (* 2 x)))
0.1b
(* (* 1/3 (* x x)) x)
0.2b
(* 1/3 (* x x))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-cbrt-cube add-exp-log
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt add-log-exp
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u
*-commutative
+-commutative sum-log fma-def flip3-+ distribute-rgt-out flip-+ fma-udef unswap-sqr
Counts
4 → 69
Calls
4 calls:
39.0ms
(+ (* (* 1/3 (* x x)) x) (* 2 x))
0.0ms
(fma (pow x 5) 1/60 (+ (* (* 1/3 (* x x)) x) (* 2 x)))
56.0ms
(* (* 1/3 (* x x)) x)
25.0ms
(* 1/3 (* x x))

series290.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(+ (* (* 1/3 (* x x)) x) (* 2 x))
71.0ms
(fma (pow x 5) 1/60 (+ (* (* 1/3 (* x x)) x) (* 2 x)))
63.0ms
(* (* 1/3 (* x x)) x)
45.0ms
(* 1/3 (* x x))

simplify4.0s

Counts
81 → 81
Iterations
IterNodes
done5000
34972
21065
1295
0103

prune286.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize34.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* 3 x))
0.0b
(/ 1 (exp (* 3 x)))
0.0b
(/ (- (exp (* 3 x)) (/ 1 (exp (* 3 x)))) (fma (/ 1 (exp x)) (/ 1 (exp x)) (fma (exp x) (exp x) 1)))
6.0b
(- (exp (* 3 x)) (/ 1 (exp (* 3 x))))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
95×add-sqr-sqrt
80×*-un-lft-identity
70×times-frac
60×add-cube-cbrt
39×prod-diff
15×difference-of-squares
11×associate-/l*
10×div-inv distribute-lft-out--
add-log-exp
add-cbrt-cube
add-exp-log
associate-/r*
pow1
expm1-log1p-u log1p-expm1-u
fma-neg div-exp pow-flip
cbrt-undiv exp-prod clear-num frac-2neg flip3-- exp-to-pow flip-- associate-/l/
rec-exp sub-neg diff-log 1-exp div-sub inv-pow rem-exp-log
Counts
4 → 160
Calls
4 calls:
3.0ms
(exp (* 3 x))
7.0ms
(/ 1 (exp (* 3 x)))
54.0ms
(/ (- (exp (* 3 x)) (/ 1 (exp (* 3 x)))) (fma (/ 1 (exp x)) (/ 1 (exp x)) (fma (exp x) (exp x) 1)))
21.0ms
(- (exp (* 3 x)) (/ 1 (exp (* 3 x))))

series306.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(exp (* 3 x))
17.0ms
(/ 1 (exp (* 3 x)))
224.0ms
(/ (- (exp (* 3 x)) (/ 1 (exp (* 3 x)))) (fma (/ 1 (exp x)) (/ 1 (exp x)) (fma (exp x) (exp x) 1)))
56.0ms
(- (exp (* 3 x)) (/ 1 (exp (* 3 x))))

simplify2.7s

Counts
172 → 172
Iterations
IterNodes
done5000
34155
21315
1618
0265

prune891.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes46.0ms

Accuracy

0% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 0.6b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done13
113
012

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.7s3315×body1280valid
765.0ms2534×body640valid
430.0ms8111×body80valid
267.0ms1268×body320valid
59.0ms615×body160valid