Details

Time bar (total: 17.1s)

sample60.0ms

Algorithm
intervals
Results
19.0ms65×body640valid
10.0ms27×body1280valid
9.0ms122×body80valid
6.0ms27×body320valid
2.0ms15×body160valid

simplify133.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
11815
23115
34115
45015
55515
66415
78215
89915
910915
done10915

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.6b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
0.0b
(/ 1.0 (+ x 1.0))
2.3b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite738.0ms

Algorithm
rewrite-expression-head
Rules
725×*-un-lft-identity
703×times-frac
524×add-sqr-sqrt
492×add-cube-cbrt
468×prod-diff
236×associate-+l+
95×distribute-lft-out
65×div-inv
58×associate-/r/
29×flip3-+ flip-+
18×fma-neg
17×distribute-lft-out--
12×difference-of-squares
11×add-log-exp
10×fma-def
associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u
flip3-- frac-add flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num sum-log frac-sub
+-commutative associate-+l-
Counts
4 → 618
Calls
4 calls:
11.0ms
(/ 1.0 (- x 1.0))
92.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
11.0ms
(/ 1.0 (+ x 1.0))
564.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series445.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(/ 1.0 (- x 1.0))
57.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
34.0ms
(/ 1.0 (+ x 1.0))
323.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify2.9s

Counts
630 → 630
Iterations

Useful iterations: done (2.8s)

IterNodesCost
050219834
1114917345
2280212902
done500010138

prune1.8s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.4b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
0.0b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
33.7b
(fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt prod-diff
18×add-exp-log add-cbrt-cube
16×associate-*l/
11×distribute-rgt-in distribute-lft-in
pow1
frac-times associate-/r/
flip3-- flip--
flip3-+ prod-exp cbrt-unprod flip-+ add-log-exp
associate-*r*
expm1-log1p-u associate-*r/ log1p-expm1-u
cbrt-undiv sub-neg times-frac div-exp pow-prod-down associate-/l*
frac-2neg fma-neg diff-log associate-*l* clear-num associate-/r* *-commutative fma-udef div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 111
Calls
4 calls:
77.0ms
(/ (fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
18.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
79.0ms
(* (* (+ x 1.0) x) (- x 1.0))
1.0ms
(fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0))

series943.0ms

Counts
4 → 12
Calls
4 calls:
440.0ms
(/ (fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
54.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
163.0ms
(* (* (+ x 1.0) x) (- x 1.0))
285.0ms
(fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0))

simplify2.5s

Counts
123 → 123
Iterations

Useful iterations: done (2.5s)

IterNodesCost
02273140
16182926
223112478
done50002453

prune385.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.4b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
0.4b
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
19×add-exp-log add-cbrt-cube
18×prod-diff associate-*l/
11×distribute-rgt-in distribute-lft-in
10×pow1
frac-times associate-*r* associate-/r/
flip3-+ prod-exp cbrt-unprod flip-+
flip3-- flip--
associate-*l*
associate-*r/ pow-prod-down
cbrt-undiv expm1-log1p-u times-frac div-exp log1p-expm1-u associate-/l* add-log-exp
sub-neg *-commutative
frac-2neg clear-num associate-/r* div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 108
Calls
3 calls:
29.0ms
(* (+ x 1.0) x)
51.0ms
(* (* (+ x 1.0) x) (- x 1.0))
47.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series293.0ms

Counts
3 → 9
Calls
3 calls:
60.0ms
(* (+ x 1.0) x)
117.0ms
(* (* (+ x 1.0) x) (- x 1.0))
117.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify2.0s

Counts
117 → 117
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02061975
15421770
219951511
done50001486

prune234.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(/ 2.0 (- x 1.0))
0.1b
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
0.3b
(/ 1 (* (+ x 1.0) x))

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
64×add-exp-log
50×add-sqr-sqrt
45×*-un-lft-identity
37×times-frac
34×add-cbrt-cube
29×add-cube-cbrt
24×associate-*r* prod-exp
20×div-exp
13×associate-*l*
11×pow1
10×cbrt-undiv cbrt-unprod
associate-/r/
associate-*l/ distribute-lft-out-- difference-of-squares
rec-exp 1-exp associate-/r* associate-/l*
expm1-log1p-u log1p-expm1-u div-inv add-log-exp
flip3-+ pow-prod-down flip-+ unswap-sqr
flip3-- pow-flip frac-2neg clear-num *-commutative flip--
frac-times associate-*r/ distribute-lft-out inv-pow
Counts
4 → 160
Calls
4 calls:
21.0ms
(* (+ x 1.0) x)
12.0ms
(/ 2.0 (- x 1.0))
150.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
21.0ms
(/ 1 (* (+ x 1.0) x))

series252.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(* (+ x 1.0) x)
32.0ms
(/ 2.0 (- x 1.0))
126.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
49.0ms
(/ 1 (* (+ x 1.0) x))

simplify1.5s

Counts
172 → 172
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02452225
16221974
221681700
done50011696

prune473.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes31.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
11513
done1513

end0.0ms

sample1.8s

Algorithm
intervals
Results
571.0ms4187×body80valid
481.0ms1908×body640valid
267.0ms580×body1280valid
153.0ms452×body160valid
149.0ms873×body320valid