Details

Time bar (total: 48.3s)

sample53.0ms

Algorithm
intervals
Results
21.0ms60×body640valid
9.0ms124×body80valid
7.0ms34×body320valid
6.0ms18×body1280valid
3.0ms20×body160valid

simplify213.0ms

Counts
1 → 1
Iterations
IterNodes
11214
10214
9204
8139
797
686
578
465
345
235
121
010

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.9b

localize39.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- x 1))
0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
3.4b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite330.0ms

Algorithm
rewrite-expression-head
Rules
743×*-un-lft-identity
715×times-frac
544×add-sqr-sqrt
494×add-cube-cbrt
468×prod-diff
236×associate-+l+
99×distribute-lft-out
72×div-inv
58×associate-/r/
29×flip3-+ flip-+
22×distribute-lft-out--
20×difference-of-squares
18×fma-neg
13×fma-def
12×add-exp-log
11×associate-/r* add-log-exp
add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u difference-of-sqr-1 div-exp insert-posit16 log1p-expm1-u
flip3-- frac-add flip--
cbrt-undiv rec-exp clear-num sum-log sub-neg frac-2neg diff-log 1-exp frac-sub pow-flip inv-pow
+-commutative associate-+l-
Counts
4 → 648
Calls
4 calls:
14.0ms
(/ 1 (- x 1))
9.0ms
(/ 1 (+ x 1))
54.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
232.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series183.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ 1 (- x 1))
14.0ms
(/ 1 (+ x 1))
31.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
111.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.4s

Counts
660 → 660
Iterations
IterNodes
22694
11123
0495

prune6.4s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- x 1))
0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
3.4b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
743×*-un-lft-identity
715×times-frac
544×add-sqr-sqrt
494×add-cube-cbrt
468×prod-diff
236×associate-+l+
99×distribute-lft-out
72×div-inv
58×associate-/r/
29×flip3-+ flip-+
22×distribute-lft-out--
20×difference-of-squares
18×fma-neg
13×fma-def
12×add-exp-log
11×associate-/r* add-log-exp
add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u difference-of-sqr-1 div-exp insert-posit16 log1p-expm1-u
flip3-- frac-add flip--
cbrt-undiv rec-exp clear-num sum-log sub-neg frac-2neg diff-log 1-exp frac-sub pow-flip inv-pow
+-commutative associate-+l-
Counts
4 → 648
Calls
4 calls:
15.0ms
(/ 1 (- x 1))
8.0ms
(/ 1 (+ x 1))
39.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
190.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series201.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ 1 (- x 1))
26.0ms
(/ 1 (+ x 1))
38.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
112.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.2s

Counts
660 → 660
Iterations
IterNodes
22694
11123
0495

prune6.5s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize50.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
0.3b
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
3.4b
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
11.4b
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

rewrite971.0ms

Algorithm
rewrite-expression-head
Rules
1672×*-un-lft-identity
1578×times-frac
1191×add-sqr-sqrt
1002×add-cube-cbrt
937×prod-diff
472×distribute-rgt-in distribute-lft-in associate--l+
196×frac-sub
172×distribute-lft-out
164×div-inv
146×distribute-lft-out--
117×associate-/r/
112×frac-times
87×difference-of-squares
80×flip3-- flip--
62×swap-sqr associate-/l/
58×associate-*l/ associate-*r/
52×flip3-+ flip-+
48×add-exp-log
40×associate-*r* associate-*l*
31×un-div-inv
26×pow1
20×add-cbrt-cube
18×difference-of-sqr-1
17×div-exp prod-exp
16×associate-/r*
10×unswap-sqr
rec-exp 1-exp pow-flip inv-pow
pow-prod-up add-log-exp
cbrt-undiv sub-neg cbrt-unprod
expm1-log1p-u pow-prod-down pow-sqr insert-posit16 log1p-expm1-u associate-/l*
pow2 pow-plus *-commutative
clear-num frac-2neg fma-neg diff-log div-sub
Counts
4 → 1422
Calls
4 calls:
60.0ms
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
294.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
108.0ms
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
443.0ms
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

series659.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
58.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
148.0ms
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
434.0ms
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

simplify2.7s

Counts
1434 → 1434
Iterations
IterNodes
13689
01359

prune20.1s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.1b
(/ 2 (pow x 7))
0.3b
(/ 2 (* (* x x) x))
0.3b
(/ 2 (pow x 5))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
45×times-frac
40×add-sqr-sqrt
39×*-un-lft-identity add-cube-cbrt
28×add-exp-log
24×unpow-prod-down
23×pow1
22×add-cbrt-cube
15×associate-/r*
div-exp associate-/l*
sqr-pow
pow-plus prod-exp pow-prod-up cbrt-unprod
cbrt-undiv
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
clear-num frac-2neg associate-*r* pow-prod-down div-inv
pow2 pow-to-exp pow-exp pow-sqr
associate-*l* pow3 *-commutative unswap-sqr
Counts
4 → 153
Calls
4 calls:
29.0ms
(* (* x x) x)
10.0ms
(/ 2 (pow x 7))
28.0ms
(/ 2 (* (* x x) x))
10.0ms
(/ 2 (pow x 5))

series315.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(* (* x x) x)
123.0ms
(/ 2 (pow x 7))
54.0ms
(/ 2 (* (* x x) x))
80.0ms
(/ 2 (pow x 5))

simplify1.6s

Counts
165 → 165
Iterations
IterNodes
33494
21204
1411
0215

prune1.7s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.0b

regimes168.0ms

Accuracy

98.6% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 9.7b

bsearch186.0ms

Steps
ItersRangePoint
10
1.6697130628152668
4649870806659.843
109.57651104194328
8
-174.255226838109
-0.11981472621416538
-118.48907173078551

simplify12.0ms

Iterations
IterNodes
239
139
031

end0.0ms

sample2.8s

Algorithm
intervals
Results
916.0ms1890×body640valid
788.0ms537×body1280valid
533.0ms4160×body80valid
323.0ms926×body320valid
143.0ms490×body160valid