Details

Time bar (total: 25.8s)

sample53.0ms

Algorithm
intervals
Results
21.0ms67×body1280valid
7.0ms31×body640valid
6.0ms135×body80valid
2.0ms15×body320valid
1.0msbody160valid

simplify3.1s

Counts
1 → 1
Iterations
IterNodes
done5012
82654
7760
6224
598
449
328
220
115
09

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.5b

localize12.0ms

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))))
2.2b
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

rewrite154.0ms

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:
13.0ms
(+ 1.0 (exp (* -2.0 x)))
17.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
113.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

series215.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(+ 1.0 (exp (* -2.0 x)))
44.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
154.0ms
(- (/ 2.0 (+ 1.0 (exp (* -2.0 x)))) 1.0)

simplify2.5s

Counts
150 → 150
Iterations
IterNodes
done5000
33749
21082
1419
0180

prune554.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
0.0b
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
0.2b
(* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
2.6b
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

rewrite656.0ms

Algorithm
rewrite-expression-head
Rules
551×sqrt-prod
463×*-un-lft-identity
378×prod-diff
351×add-sqr-sqrt
321×add-cube-cbrt
256×times-frac
128×distribute-rgt-in distribute-lft-in
67×distribute-lft-out
42×associate-/r/
24×flip3-+ flip-+
21×fma-neg div-inv
12×difference-of-squares
11×associate-*r*
10×add-cbrt-cube add-exp-log
associate-/r*
pow1 associate-/l* add-log-exp
associate-*l*
expm1-log1p-u frac-times flip3-- log1p-expm1-u flip-- distribute-lft-out--
sub-neg
cbrt-undiv clear-num frac-2neg div-exp associate-*l/ associate-*r/
diff-log pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 533
Calls
4 calls:
23.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
13.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
429.0ms
(* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
110.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

series740.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
48.0ms
(/ 2.0 (+ 1.0 (exp (* -2.0 x))))
467.0ms
(* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
156.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

simplify2.7s

Counts
545 → 545
Iterations
IterNodes
done5000
11651
0503

prune2.0s

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize121.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
2.6b
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
2.6b
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
2.6b
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

rewrite911.0ms

Algorithm
rewrite-expression-head
Rules
596×sqrt-prod
462×*-un-lft-identity
378×prod-diff
363×add-sqr-sqrt
320×add-cube-cbrt
258×times-frac
65×distribute-lft-out
63×fma-neg
48×flip3-+ flip-+
42×associate-/r/
28×frac-times
23×pow1
21×div-inv
18×difference-of-squares
14×associate-*l/
10×add-log-exp
add-cbrt-cube add-exp-log
associate-*r/
pow-plus pow-prod-up distribute-lft-out--
associate-*r*
expm1-log1p-u log1p-expm1-u
sub-neg flip3-- diff-log pow-prod-down prod-exp cbrt-unprod flip--
pow2 pow-sqr
distribute-rgt-in distribute-lft-in associate-*l* pow3 *-commutative unswap-sqr
Counts
4 → 567
Calls
4 calls:
537.0ms
(* (* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
93.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
102.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
129.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

series784.0ms

Counts
4 → 12
Calls
4 calls:
333.0ms
(* (* (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))) (+ (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0)))
129.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
161.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))
160.0ms
(- (sqrt (/ 2.0 (+ 1.0 (exp (* -2.0 x))))) (sqrt 1.0))

simplify2.9s

Counts
579 → 579
Iterations
IterNodes
done5000
24262
1998
0360

prune2.3s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* x 1.0) (fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x)))))
0.1b
(* (* x x) x)
0.1b
(* (* x x) (* x x))
11.5b
(fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x))))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
134×pow1
42×pow-prod-up
26×pow-prod-down
24×pow-plus pow-sqr
21×add-cbrt-cube add-exp-log
15×pow2
11×prod-exp cbrt-unprod
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt add-log-exp
expm1-log1p-u associate-*r* log1p-expm1-u
prod-diff
associate-*l* *-commutative fma-udef unswap-sqr
sub-neg flip3-- fma-neg diff-log swap-sqr pow3 flip-- associate--r+
Counts
4 → 124
Calls
4 calls:
11.0ms
(- (* x 1.0) (fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x)))))
17.0ms
(* (* x x) x)
25.0ms
(* (* x x) (* x x))
0.0ms
(fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x))))

series275.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* x 1.0) (fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x)))))
43.0ms
(* (* x x) x)
40.0ms
(* (* x x) (* x x))
144.0ms
(fma (* (* x x) x) 0.33333333333333337 (* 5.551115123125783e-17 (* (* x x) (* x x))))

simplify3.0s

Counts
136 → 136
Iterations
IterNodes
done5000
34142
2929
1330
0126

prune417.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes289.0ms

Accuracy

98.3% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 29.3b

bsearch2.0ms

simplify11.0ms

Iterations
IterNodes
done45
145
033

end0.0ms

sample2.0s

Algorithm
intervals
Results
882.0ms1668×body1280valid
421.0ms1307×body640valid
175.0ms4107×body80valid
128.0ms617×body320valid
58.0ms301×body160valid