Details

Time bar (total: 19.2s)

sample289.0ms

Algorithm
halfpoints

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01624
13011
24611
38111
411311
518111
631011
758911
897411
9149511
10168511
11182211
12184711
done184711

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.3b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
0.1b
(* (/ (- (exp x) (exp (- x))) 2.0) (sin y))
57.7b
(- (exp x) (exp (- x)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
39×*-un-lft-identity
35×associate-*l*
29×times-frac
23×add-cube-cbrt
14×add-exp-log add-cbrt-cube
pow1 add-log-exp
associate-*r*
prod-exp cbrt-unprod distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
cbrt-undiv div-exp pow-prod-down associate-*l/ *-commutative div-inv
+-commutative sub-neg flip3-- flip3-+ diff-log sum-log flip-- flip-+
Counts
4 → 99
Calls
4 calls:
6.0ms
(+ (exp x) (exp (- x)))
27.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
31.0ms
(* (/ (- (exp x) (exp (- x))) 2.0) (sin y))
6.0ms
(- (exp x) (exp (- x)))

series198.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(+ (exp x) (exp (- x)))
56.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))
79.0ms
(* (/ (- (exp x) (exp (- x))) 2.0) (sin y))
40.0ms
(- (exp x) (exp (- x)))

simplify2.0s

Counts
111 → 111
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
02001479
15091449
214141277
345771273
done50011273

prune398.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize57.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/60 (pow x 5)) (* 2 x))
0.1b
(* 1/60 (pow x 5))
0.1b
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0) (sin y))
0.1b
(* 1/3 (pow x 3))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
22×associate-*r*
19×add-exp-log add-cube-cbrt *-un-lft-identity associate-*l*
13×add-cbrt-cube
10×times-frac
unswap-sqr
unpow-prod-down prod-exp
pow1 add-log-exp
cube-prod cbrt-unprod sqr-pow
*-commutative
pow-to-exp pow-exp
cbrt-undiv +-commutative cube-mult flip3-+ unpow3 div-exp pow-prod-down associate-*l/ sum-log flip-+ div-inv
Counts
4 → 99
Calls
4 calls:
3.0ms
(+ (* 1/60 (pow x 5)) (* 2 x))
6.0ms
(* 1/60 (pow x 5))
41.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0) (sin y))
7.0ms
(* 1/3 (pow x 3))

series312.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(+ (* 1/60 (pow x 5)) (* 2 x))
52.0ms
(* 1/60 (pow x 5))
91.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0) (sin y))
36.0ms
(* 1/3 (pow x 3))

simplify779.0ms

Counts
111 → 111
Iterations

Useful iterations: 2 (235.0ms)

IterNodesCost
01931563
14791467
214461303
done50001303

prune487.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

localize60.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
0.3b
(* (/ 1 (sqrt 2.0)) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
0.4b
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))
1.0b
(/ 1 (sqrt 2.0))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
74×times-frac
69×add-sqr-sqrt
61×add-cube-cbrt *-un-lft-identity
54×add-exp-log
44×associate-*l*
43×sqrt-prod
34×add-cbrt-cube
22×prod-exp
14×div-exp
13×pow1
12×associate-/r* cbrt-unprod
cbrt-undiv
associate-/l*
rec-exp 1-exp associate-*r* pow-prod-down associate-*l/ div-inv add-log-exp
pow-flip unswap-sqr
frac-2neg clear-num *-commutative associate-/l/
frac-times sqrt-pow1 flip3-+ pow1/2 associate-*r/ flip-+ inv-pow
Counts
4 → 182
Calls
4 calls:
41.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
50.0ms
(* (/ 1 (sqrt 2.0)) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
29.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))
3.0ms
(/ 1 (sqrt 2.0))

series494.0ms

Counts
4 → 10
Calls
4 calls:
154.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
219.0ms
(* (/ 1 (sqrt 2.0)) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
121.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))
0.0ms
(/ 1 (sqrt 2.0))

simplify1.1s

Counts
192 → 192
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02564878
16864529
223163874
done50003832

prune996.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0b

localize67.0ms

Local error

Found 4 expressions with local error:

0.1b
(* 1/3 (pow x 3))
0.2b
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
0.3b
(* (pow 2.0 -1/2) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
0.4b
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
40×add-exp-log
39×add-cube-cbrt *-un-lft-identity
38×times-frac
32×associate-*l*
22×sqrt-prod add-cbrt-cube
20×prod-exp
16×associate-*r*
cbrt-unprod
unpow-prod-down unswap-sqr
pow1 associate-/r*
div-exp
pow-to-exp cube-prod pow-exp add-log-exp
cbrt-undiv *-commutative associate-/l* sqr-pow
associate-*l/ div-inv associate-/l/
cube-mult frac-2neg flip3-+ unpow3 associate-*r/ pow-prod-down clear-num flip-+
Counts
4 → 143
Calls
4 calls:
9.0ms
(* 1/3 (pow x 3))
42.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
42.0ms
(* (pow 2.0 -1/2) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
30.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))

series537.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(* 1/3 (pow x 3))
156.0ms
(* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y))
225.0ms
(* (pow 2.0 -1/2) (* (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0)) (sin y)))
120.0ms
(/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) (sqrt 2.0))

simplify926.0ms

Counts
155 → 155
Iterations

Useful iterations: done (921.0ms)

IterNodesCost
02603877
16603736
222113357
done50003345

prune712.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0b

regimes174.0ms

Accuracy

48.4% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.8b

bsearch110.0ms

Steps
ItersRangePoint
8
-0.48869560230416215
-0.0008391074150366579
-0.015295351353249335

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03561
14461
done4461

end0.0ms

sample6.0s

Algorithm
halfpoints