Details

Time bar (total: 15.0s)

sample66.0ms

Algorithm
intervals
Results
20.0ms41×body1280valid
13.0ms40×body640valid
9.0ms144×body80valid
5.0ms23×body320valid
1.0msbody160valid

simplify3.0s

Counts
1 → 1
Iterations
IterNodes
done5001
73503
6454
5122
455
331
222
115
09

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.5b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
2.8b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
99×*-un-lft-identity
68×add-sqr-sqrt
63×add-cube-cbrt
61×times-frac
54×prod-diff
18×fma-neg
17×distribute-lft-out
10×associate-/r/
add-log-exp
flip3-+ flip-+
add-cbrt-cube add-exp-log div-inv
associate-/r*
expm1-log1p-u pow1 fma-def log1p-expm1-u associate-/l*
difference-of-squares
cbrt-undiv +-commutative clear-num sum-log sub-neg frac-2neg flip3-- diff-log div-exp flip-- distribute-lft-out--
Counts
3 → 141
Calls
3 calls:
11.0ms
(+ 1.0 (exp (* -2.0 x)))
22.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
133.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series205.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(+ 1.0 (exp (* -2.0 x)))
54.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
123.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify1.4s

Counts
150 → 150
Iterations
IterNodes
done5000
21295
1420
0180

prune549.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ 1.0 (exp (* -2.0 x)))
0.0b
(+ 1.0 (exp (* -2.0 x)))
0.4b
(/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
2.8b
(- (/ (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt (+ 1.0 (exp (* -2.0 x))))) 1.0)

rewrite471.0ms

Algorithm
rewrite-expression-head
Rules
1375×times-frac
1227×*-un-lft-identity
853×add-sqr-sqrt
829×add-cube-cbrt
789×sqrt-prod
585×prod-diff
198×distribute-lft-out
195×fma-neg
66×sqrt-div associate-/r/
35×flip3-+ flip-+
33×div-inv
10×add-log-exp
associate-/r* difference-of-squares
fma-def add-cbrt-cube add-exp-log
expm1-log1p-u pow1 log1p-expm1-u
associate-/l*
+-commutative sum-log
cbrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log div-exp flip-- distribute-lft-out--
Counts
4 → 883
Calls
4 calls:
6.0ms
(+ 1.0 (exp (* -2.0 x)))
6.0ms
(+ 1.0 (exp (* -2.0 x)))
21.0ms
(/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
338.0ms
(- (/ (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt (+ 1.0 (exp (* -2.0 x))))) 1.0)

series238.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(+ 1.0 (exp (* -2.0 x)))
17.0ms
(+ 1.0 (exp (* -2.0 x)))
109.0ms
(/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x)))))
93.0ms
(- (/ (/ 2.0 (sqrt (+ 1.0 (exp (* -2.0 x))))) (sqrt (+ 1.0 (exp (* -2.0 x))))) 1.0)

simplify2.8s

Counts
895 → 895
Iterations
IterNodes
done5000
24941
11559
0672

prune2.2s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (* x x) (* x x))
0.2b
(* (* 0.33333333333333337 x) (* x x))
9.3b
(fma 5.551115123125783e-17 (* (* x x) (* x x)) (* (* 0.33333333333333337 x) (* x x)))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
126×pow1
36×pow-prod-up
31×pow-prod-down
27×add-cbrt-cube add-exp-log
22×pow-sqr
18×pow-plus
16×prod-exp cbrt-unprod
13×pow2
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative
swap-sqr fma-udef unswap-sqr
Counts
3 → 99
Calls
3 calls:
40.0ms
(* (* x x) (* x x))
42.0ms
(* (* 0.33333333333333337 x) (* x x))
0.0ms
(fma 5.551115123125783e-17 (* (* x x) (* x x)) (* (* 0.33333333333333337 x) (* x x)))

series223.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(* (* x x) (* x x))
40.0ms
(* (* 0.33333333333333337 x) (* x x))
142.0ms
(fma 5.551115123125783e-17 (* (* x x) (* x x)) (* (* 0.33333333333333337 x) (* x x)))

simplify978.0ms

Counts
108 → 108
Iterations
IterNodes
done5000
21228
1252
091

prune223.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes243.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 29.8b

bsearch2.0ms

simplify5.0ms

Iterations
IterNodes
done34
134
026

end0.0ms

sample2.0s

Algorithm
intervals
Results
979.0ms1716×body1280valid
337.0ms1245×body640valid
286.0ms4091×body80valid
195.0ms640×body320valid
33.0ms308×body160valid