Details

Time bar (total: 20.1s)

sample57.0ms

Algorithm
intervals
Results
16.0ms56×body640valid
10.0ms141×body80valid
10.0ms29×body1280valid
3.0ms16×body320valid
2.0ms14×body160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
11815
23115
34115
48815
513515
616215
721115
844115
9120815
done500015

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.8b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite678.0ms

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))
18.0ms
(/ 1.0 (- x 1.0))
114.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
454.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series468.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ 1.0 (+ x 1.0))
52.0ms
(/ 1.0 (- x 1.0))
50.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
321.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify2.7s

Counts
630 → 630
Iterations

Useful iterations: done (2.6s)

IterNodesCost
050219834
1119417509
2419613396
done500013269

prune2.2s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
0.0b
(* (* (+ x 1.0) x) (- x 1.0))
29.1b
(fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
23×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt prod-diff
11×pow1 add-exp-log distribute-rgt-in distribute-lft-in add-cbrt-cube
10×associate-*l/
associate-*r*
add-log-exp
associate-*l*
expm1-log1p-u frac-times flip3-- flip3-+ pow-prod-down prod-exp flip-- cbrt-unprod flip-+ log1p-expm1-u
sub-neg
associate-*r/ *-commutative
fma-neg diff-log fma-udef distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 101
Calls
4 calls:
27.0ms
(* (+ x 1.0) x)
9.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
89.0ms
(* (* (+ 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))

series531.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(* (+ x 1.0) x)
55.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
136.0ms
(* (* (+ x 1.0) x) (- x 1.0))
260.0ms
(fma (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0) (* (* (+ x 1.0) x) 1.0))

simplify2.8s

Counts
113 → 113
Iterations

Useful iterations: 2 (748.0ms)

IterNodesCost
01881892
15681696
240931471
done50001471

prune364.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize8.0ms

Local error

Found 3 expressions with local error:

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

rewrite141.0ms

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:
27.0ms
(* (+ x 1.0) x)
68.0ms
(* (* (+ x 1.0) x) (- x 1.0))
42.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series371.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(* (+ x 1.0) x)
174.0ms
(* (* (+ x 1.0) x) (- x 1.0))
125.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify3.0s

Counts
117 → 117
Iterations

Useful iterations: 2 (911.0ms)

IterNodesCost
02061975
16161776
245001523
done50001523

prune377.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
0.5b
(/ 2.0 (* (+ x 1.0) x))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
66×times-frac
51×add-sqr-sqrt *-un-lft-identity
29×add-cube-cbrt
19×add-exp-log add-cbrt-cube
16×associate-*l/ associate-/r/
12×associate-/l*
10×distribute-lft-out-- difference-of-squares
flip3-+ flip-+ div-inv
cbrt-undiv div-exp
associate-/r*
pow1
associate-*l*
expm1-log1p-u associate-*r* prod-exp cbrt-unprod log1p-expm1-u add-log-exp
frac-2neg clear-num
flip3-- pow-prod-down *-commutative flip-- associate-/l/ distribute-lft-out unswap-sqr
Counts
3 → 128
Calls
3 calls:
32.0ms
(* (+ x 1.0) x)
42.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
23.0ms
(/ 2.0 (* (+ x 1.0) x))

series297.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(* (+ x 1.0) x)
158.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
51.0ms
(/ 2.0 (* (+ x 1.0) x))

simplify2.3s

Counts
137 → 137
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02272149
16062040
233431884
done50021877

prune382.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

regimes16.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01013
11511
21611
done1611

end0.0ms

sample2.0s

Algorithm
intervals
Results
950.0ms1868×body640valid
282.0ms4088×body80valid
258.0ms588×body1280valid
218.0ms987×body320valid
49.0ms471×body160valid