Details

Time bar (total: 21.0s)

sample56.0ms

Algorithm
intervals
Results
18.0ms61×body640valid
9.0ms40×body320valid
8.0ms115×body80valid
8.0ms21×body1280valid
2.0ms19×body160valid

simplify123.0ms

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

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.3b

localize19.0ms

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))
2.0b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite204.0ms

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
58×add-sqr-sqrt
56×times-frac
25×add-cube-cbrt
18×distribute-lft-out--
17×distribute-lft-out
14×difference-of-squares
12×add-exp-log
11×associate-/r* add-log-exp
add-cbrt-cube div-inv
pow1 associate-/l*
difference-of-sqr-1 div-exp associate-/r/ insert-posit16
flip3-- frac-add flip--
cbrt-undiv rec-exp associate-+l+ clear-num sum-log sub-neg frac-2neg flip3-+ diff-log 1-exp frac-sub flip-+ pow-flip inv-pow
+-commutative associate-+l-
Counts
4 → 141
Calls
4 calls:
8.0ms
(/ 1 (+ x 1))
9.0ms
(/ 1 (- x 1))
37.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
148.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series231.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(/ 1 (+ x 1))
26.0ms
(/ 1 (- x 1))
32.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
149.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify3.3s

Counts
153 → 153
Iterations
IterNodes
33644
21384
1493
0219

prune1.3s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (pow x 7))
0.1b
(/ (/ 2 (* x x)) x)
0.4b
(/ 2 (pow x 5))
0.7b
(/ 2 (* x x))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
54×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
28×add-exp-log
24×unpow-prod-down
22×add-cbrt-cube
18×associate-/r*
16×associate-/l*
13×div-exp
cbrt-undiv
div-inv sqr-pow
pow1 clear-num frac-2neg insert-posit16 add-log-exp
pow-to-exp pow-exp prod-exp cbrt-unprod
associate-/l/
Counts
4 → 163
Calls
4 calls:
5.0ms
(/ 2 (pow x 7))
18.0ms
(/ (/ 2 (* x x)) x)
10.0ms
(/ 2 (pow x 5))
13.0ms
(/ 2 (* x x))

series279.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(/ 2 (pow x 7))
57.0ms
(/ (/ 2 (* x x)) x)
91.0ms
(/ 2 (pow x 5))
37.0ms
(/ 2 (* x x))

simplify2.0s

Counts
175 → 175
Iterations
IterNodes
34421
21450
1497
0251

prune1.9s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 2 (pow x 7)) (+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x))))
0.0b
(/ 2 (pow x 7))
0.1b
(/ (/ 2 x) (* x x))
0.4b
(/ 2 (pow x 5))

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
73×times-frac
55×*-un-lft-identity
50×add-sqr-sqrt add-cube-cbrt
26×add-exp-log
24×unpow-prod-down
20×add-cbrt-cube
19×associate-/l*
15×associate-/r*
12×div-exp
add-log-exp
cbrt-undiv sqr-pow
div-inv
pow1 frac-add insert-posit16
clear-num sum-log frac-2neg distribute-lft-out
pow-to-exp flip3-+ pow-exp prod-exp cbrt-unprod flip-+
+-commutative associate-+r+ associate-/l/
Counts
4 → 158
Calls
4 calls:
75.0ms
(+ (/ 2 (pow x 7)) (+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x))))
9.0ms
(/ 2 (pow x 7))
17.0ms
(/ (/ 2 x) (* x x))
15.0ms
(/ 2 (pow x 5))

series363.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(+ (/ 2 (pow x 7)) (+ (/ 2 (pow x 5)) (/ (/ 2 x) (* x x))))
117.0ms
(/ 2 (pow x 7))
54.0ms
(/ (/ 2 x) (* x x))
100.0ms
(/ 2 (pow x 5))

simplify946.0ms

Counts
170 → 170
Iterations
IterNodes
22672
1673
0292

prune1.8s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize57.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2 (pow x 7))
0.1b
(/ (/ (/ 2 x) x) x)
0.1b
(/ (/ 2 x) x)
0.4b
(/ 2 (pow x 5))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
510×times-frac
262×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
62×associate-/l*
28×add-exp-log
24×unpow-prod-down div-inv
22×add-cbrt-cube
20×associate-/r*
15×div-exp
11×cbrt-undiv
sqr-pow
pow1 clear-num frac-2neg insert-posit16 add-log-exp
pow-to-exp pow-exp associate-/l/
Counts
4 → 356
Calls
4 calls:
9.0ms
(/ 2 (pow x 7))
22.0ms
(/ (/ (/ 2 x) x) x)
15.0ms
(/ (/ 2 x) x)
10.0ms
(/ 2 (pow x 5))

series335.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ 2 (pow x 7))
79.0ms
(/ (/ (/ 2 x) x) x)
49.0ms
(/ (/ 2 x) x)
102.0ms
(/ 2 (pow x 5))

simplify1.2s

Counts
368 → 368
Iterations
IterNodes
22581
11094
0557

prune3.9s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes109.0ms

Accuracy

98% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 9.6b

bsearch3.0ms

simplify10.0ms

Iterations
IterNodes
235
135
026

end0.0ms

sample2.6s

Algorithm
intervals
Results
883.0ms4144×body80valid
861.0ms1866×body640valid
341.0ms570×body1280valid
287.0ms948×body320valid
86.0ms474×body160valid