Details

Time bar (total: 1.1m)

sample89.0ms

Algorithm
intervals
Results
33.0ms63×body640valid
18.0ms138×body80valid
13.0ms19×body1280valid
11.0ms28×body320valid
2.0msbody160valid

simplify211.0ms

Counts
1 → 1
Iterations
IterNodes
11195
10195
9187
8132
794
683
575
463
343
233
119
010

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.1b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
1.6b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite326.0ms

Algorithm
rewrite-expression-head
Rules
718×*-un-lft-identity
694×times-frac
515×add-sqr-sqrt
481×add-cube-cbrt
468×prod-diff
236×associate-+l+
99×distribute-lft-out
71×div-inv
56×associate-/r/
29×flip3-+ flip-+
18×fma-neg distribute-lft-out--
13×fma-def
12×difference-of-squares
10×add-log-exp
add-exp-log
add-cbrt-cube
pow1 associate-/r*
expm1-log1p-u frac-add insert-posit16 log1p-expm1-u associate-/l*
sum-log sub-neg flip3-- diff-log div-exp frac-sub flip--
cbrt-undiv +-commutative rec-exp clear-num frac-2neg 1-exp associate-+l- pow-flip inv-pow
Counts
3 → 596
Calls
3 calls:
8.0ms
(/ 1 (+ x 1))
55.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
230.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series208.0ms

Counts
3 → 9
Calls
3 calls:
23.0ms
(/ 1 (+ x 1))
42.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
143.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.7s

Counts
605 → 605
Iterations
IterNodes
22483
11022
0440

prune6.3s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize37.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (+ x 1))
0.0b
(- (/ 1 (+ x 1)) (/ 2 x))
1.6b
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

rewrite351.0ms

Algorithm
rewrite-expression-head
Rules
718×*-un-lft-identity
694×times-frac
515×add-sqr-sqrt
481×add-cube-cbrt
468×prod-diff
236×associate-+l+
99×distribute-lft-out
71×div-inv
56×associate-/r/
29×flip3-+ flip-+
18×fma-neg distribute-lft-out--
13×fma-def
12×difference-of-squares
10×add-log-exp
add-exp-log
add-cbrt-cube
pow1 associate-/r*
expm1-log1p-u frac-add insert-posit16 log1p-expm1-u associate-/l*
sum-log sub-neg flip3-- diff-log div-exp frac-sub flip--
cbrt-undiv +-commutative rec-exp clear-num frac-2neg 1-exp associate-+l- pow-flip inv-pow
Counts
3 → 596
Calls
3 calls:
16.0ms
(/ 1 (+ x 1))
48.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
256.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

series174.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(/ 1 (+ x 1))
35.0ms
(- (/ 1 (+ x 1)) (/ 2 x))
124.0ms
(+ (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))

simplify1.6s

Counts
605 → 605
Iterations
IterNodes
22483
11022
0440

prune5.9s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
0.2b
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
1.6b
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
16.3b
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

rewrite1.0s

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:
32.0ms
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
292.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
134.0ms
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
480.0ms
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

series645.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (/ 1 (- x 1)) (/ 1 (- x 1)))
46.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
145.0ms
(- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1))))
422.0ms
(/ (- (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (* (/ 1 (- x 1)) (/ 1 (- x 1)))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

simplify3.6s

Counts
1434 → 1434
Iterations
IterNodes
13689
01359

prune20.6s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
1.6b
(- (/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))) (/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))))
16.3b
(/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))
32.5b
(/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

rewrite2.9s

Algorithm
rewrite-expression-head
Rules
3022×*-un-lft-identity
2310×times-frac
1129×distribute-lft-out--
1093×prod-diff
1037×add-sqr-sqrt
574×add-cube-cbrt
400×div-inv
327×associate-/r/
237×frac-sub
236×distribute-rgt-in distribute-lft-in
194×distribute-lft-out
193×difference-of-squares
127×flip3-- flip--
69×add-exp-log
35×div-exp
32×associate-/r*
29×add-cbrt-cube
26×flip3-+ flip-+
25×fma-neg
21×swap-sqr
19×frac-times associate-/l/
18×prod-exp
13×associate-*r* associate-*l*
11×pow1 cbrt-undiv
rec-exp 1-exp
associate-*l/ associate-*r/
distribute-rgt-out-- cbrt-unprod add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
sub-neg
clear-num frac-2neg associate-/l*
pow2 pow-plus diff-log pow-prod-down pow-sqr un-div-inv *-commutative pow-prod-up sub-div unswap-sqr
Counts
4 → 1378
Calls
4 calls:
228.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
1.9s
(- (/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))) (/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))))
238.0ms
(/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))
424.0ms
(/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

series1.3s

Counts
4 → 12
Calls
4 calls:
54.0ms
(* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x)))
990.0ms
(- (/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))) (/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1)))))
94.0ms
(/ (* (/ 1 (- x 1)) (/ 1 (- x 1))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))
130.0ms
(/ (* (- (/ 1 (+ x 1)) (/ 2 x)) (- (/ 1 (+ x 1)) (/ 2 x))) (- (- (/ 1 (+ x 1)) (/ 2 x)) (/ 1 (- x 1))))

simplify2.9s

Counts
1390 → 1390
Iterations
IterNodes
13397
01394

prune14.6s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

regimes66.0ms

Accuracy

90.8% (0.8b remaining)

Error of 1.1b against oracle of 0.3b and baseline of 9.4b

bsearch1.0ms

simplify5.0ms

Iterations
IterNodes
235
135
027

end0.0ms

sample1.8s

Algorithm
intervals
Results
557.0ms1853×body640valid
491.0ms901×body320valid
369.0ms4191×body80valid
220.0ms622×body1280valid
78.0ms436×body160valid