Details

Time bar (total: 19.0s)

sample45.0ms

Algorithm
intervals
Results
16.0ms82×body1280valid
6.0ms45×body640valid
5.0ms165×body80valid
2.0ms24×body320valid
1.0ms11×body160valid

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done5090
82971
7747
6218
594
445
324
216
111
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.3b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(exp (* a x))
2.6b
(- (exp (* a x)) 1.0)

rewrite18.0ms

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:
3.0ms
(exp (* a x))
14.0ms
(- (exp (* a x)) 1.0)

series71.0ms

Counts
2 → 6
Calls
2 calls:
14.0ms
(exp (* a x))
57.0ms
(- (exp (* a x)) 1.0)

simplify1.6s

Counts
46 → 46
Iterations
IterNodes
done5002
31456
2412
1182
079

prune202.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* a x) (* a x))
0.2b
(* (* a x) (* a x))
5.0b
(fma 1/2 (* (* a x) (* a x)) (* x a))
12.6b
(fma 1/6 (* (* a x) (* (* a x) (* a x))) (fma 1/2 (* (* a x) (* a x)) (* x a)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
82×pow1
34×pow-prod-down
28×add-cbrt-cube add-exp-log
16×prod-exp cbrt-unprod
pow-sqr pow-prod-up
add-sqr-sqrt expm1-log1p-u *-un-lft-identity pow-plus add-cube-cbrt log1p-expm1-u add-log-exp
pow2 swap-sqr associate-*r* associate-*l* *-commutative fma-udef
Counts
4 → 92
Calls
4 calls:
25.0ms
(* (* a x) (* a x))
24.0ms
(* (* a x) (* a x))
0.0ms
(fma 1/2 (* (* a x) (* a x)) (* x a))
1.0ms
(fma 1/6 (* (* a x) (* (* a x) (* a x))) (fma 1/2 (* (* a x) (* a x)) (* x a)))

series361.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(* (* a x) (* a x))
36.0ms
(* (* a x) (* a x))
103.0ms
(fma 1/2 (* (* a x) (* a x)) (* x a))
166.0ms
(fma 1/6 (* (* a x) (* (* a x) (* a x))) (fma 1/2 (* (* a x) (* a x)) (* x a)))

simplify3.5s

Counts
104 → 104
Iterations
IterNodes
done5000
34094
2681
1176
075

prune460.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize68.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (* x a))
0.2b
(* x (fma 2 a a))
0.2b
(/ (- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0)) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
2.6b
(- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0))

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity add-cube-cbrt
times-frac
add-cbrt-cube add-exp-log add-log-exp
pow1 fma-udef
fma-neg prod-diff
expm1-log1p-u exp-sum log1p-expm1-u
distribute-rgt-in associate-/r* distribute-lft-in associate-*r* associate-*l* associate-/l*
flip3-- flip-- associate-/l/
cbrt-undiv exp-prod clear-num sub-neg frac-2neg exp-to-pow diff-log div-sub div-exp pow-prod-down prod-exp *-commutative cbrt-unprod div-inv unswap-sqr rem-exp-log
Counts
4 → 90
Calls
4 calls:
4.0ms
(exp (* x a))
6.0ms
(* x (fma 2 a a))
46.0ms
(/ (- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0)) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
14.0ms
(- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0))

series337.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(exp (* x a))
54.0ms
(* x (fma 2 a a))
188.0ms
(/ (- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0)) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
70.0ms
(- (exp (* x (fma 2 a a))) (* (* 1.0 1.0) 1.0))

simplify1.8s

Counts
102 → 102
Iterations
IterNodes
done5000
21259
1420
0171

prune674.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize50.0ms

Local error

Found 4 expressions with local error:

0.2b
(* x (* 3 a))
0.2b
(/ (log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0)))) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
2.6b
(log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))))
2.6b
(- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))

rewrite233.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
21×times-frac
20×log-pow
15×exp-prod
14×pow1
11×add-cbrt-cube add-exp-log
log-prod
associate-/l*
prod-diff add-log-exp
exp-sum
expm1-log1p-u log1p-expm1-u
associate-/r* fma-neg associate-*l* pow-prod-down prod-exp cbrt-unprod
log-div sub-neg exp-diff
cbrt-undiv clear-num frac-2neg flip3-- diff-log div-sub div-exp rem-log-exp associate-*r* *-commutative div-inv flip--
Counts
4 → 109
Calls
4 calls:
12.0ms
(* x (* 3 a))
150.0ms
(/ (log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0)))) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
47.0ms
(log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))))
21.0ms
(- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))

series353.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* x (* 3 a))
188.0ms
(/ (log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0)))) (fma (exp (* x a)) (exp (* x a)) (* 1.0 (+ 1.0 (exp (* x a))))))
80.0ms
(log (exp (- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))))
52.0ms
(- (exp (* x (* 3 a))) (* (* 1.0 1.0) 1.0))

simplify3.0s

Counts
121 → 121
Iterations
IterNodes
done5000
34506
21306
1442
0209

prune782.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes376.0ms

Accuracy

98.6% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.5b

bsearch2.0ms

simplify13.0ms

Iterations
IterNodes
done34
134
028

end0.0ms

sample1.8s

Algorithm
intervals
Results
811.0ms2696×body1280valid
281.0ms1292×body640valid
228.0ms5427×body80valid
84.0ms757×body320valid
30.0ms410×body160valid