Details

Time bar (total: 22.5s)

sample226.0ms

Algorithm
halfpoints

simplify4.7s

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01624
13011
24811
38311
411711
518811
633111
755611
8100011
9136611
10168611
11176811
12179011
done179011

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 2 expressions with local error:

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

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
16×add-sqr-sqrt associate-*l*
13×times-frac
11×add-cube-cbrt
add-exp-log add-cbrt-cube
pow1 distribute-lft-out add-log-exp
associate-*r*
prod-exp cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv
Counts
2 → 47
Calls
2 calls:
20.0ms
(+ (exp x) (exp (- x)))
100.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))

series137.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(+ (exp x) (exp (- x)))
95.0ms
(* (/ (+ (exp x) (exp (- x))) 2.0) (cos y))

simplify1.7s

Counts
53 → 53
Iterations

Useful iterations: 3 (673.0ms)

IterNodesCost
0109709
1272694
2769608
32131605
done5000605

prune187.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp (- x)) (exp x))
0.0b
(* (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0) (cos y))
0.0b
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
0.0b
(pow (+ (exp (- x)) (exp x)) 3)

rewrite268.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
60×cbrt-prod
57×add-sqr-sqrt
56×times-frac
55×associate-*l*
41×add-cube-cbrt
21×unpow-prod-down cube-prod
11×distribute-lft-out
10×add-exp-log
add-cbrt-cube
pow1
add-log-exp unswap-sqr sqr-pow
cube-mult unpow3
cube-div
pow-unpow flip3-+ associate-*r* flip-+
cbrt-div prod-exp cbrt-unprod
cbrt-undiv +-commutative pow-to-exp pow-pow pow1/3 div-exp pow-prod-down associate-*l/ pow-exp sum-log *-commutative rem-cbrt-cube div-inv rem-cube-cbrt
Counts
4 → 142
Calls
4 calls:
19.0ms
(+ (exp (- x)) (exp x))
160.0ms
(* (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0) (cos y))
28.0ms
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
54.0ms
(pow (+ (exp (- x)) (exp x)) 3)

series249.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(+ (exp (- x)) (exp x))
91.0ms
(* (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0) (cos y))
36.0ms
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
73.0ms
(pow (+ (exp (- x)) (exp x)) 3)

simplify1.2s

Counts
154 → 154
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02042420
14641989
214311830
done50001828

prune650.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp x) (exp (- x)))
0.0b
(* (sqrt (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
0.0b
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
0.0b
(pow (+ (exp (- x)) (exp x)) 3)

rewrite393.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
58×associate-*l*
56×cbrt-prod
55×sqrt-prod
51×times-frac
41×add-sqr-sqrt add-cube-cbrt
20×unpow-prod-down cube-prod
11×distribute-lft-out
10×pow1 add-exp-log add-cbrt-cube
add-log-exp
cube-mult unpow3 sqr-pow
cube-div sqrt-div
pow-unpow flip3-+ associate-*r/ pow-prod-down prod-exp cbrt-unprod flip-+
cbrt-div
+-commutative frac-times pow-to-exp pow-pow pow1/3 associate-*r* associate-*l/ pow-exp sum-log *-commutative rem-cbrt-cube div-inv rem-cube-cbrt
Counts
4 → 140
Calls
4 calls:
17.0ms
(+ (exp x) (exp (- x)))
251.0ms
(* (sqrt (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
52.0ms
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
59.0ms
(pow (+ (exp (- x)) (exp x)) 3)

series382.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(+ (exp x) (exp (- x)))
209.0ms
(* (sqrt (/ (cbrt (pow (+ (exp (- x)) (exp x)) 3)) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
44.0ms
(cbrt (pow (+ (exp (- x)) (exp x)) 3))
83.0ms
(pow (+ (exp (- x)) (exp x)) 3)

simplify1.4s

Counts
152 → 152
Iterations

Useful iterations: 2 (434.0ms)

IterNodesCost
02483198
15332700
215202267
done50012267

prune781.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize66.0ms

Local error

Found 4 expressions with local error:

0.0b
(pow (+ (exp (- x)) (exp x)) 3)
0.2b
(* (sqrt (/ (cbrt (* (cbrt (pow (+ (exp (- x)) (exp x)) 3)) (cbrt (pow (+ (exp (- x)) (exp x)) 3)))) 1)) (* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0)))))
0.2b
(* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
1.0b
(cbrt (+ (exp (- x)) (exp x)))

rewrite728.0ms

Algorithm
rewrite-expression-head
Rules
47×associate-*l*
44×*-un-lft-identity
41×sqrt-prod
33×times-frac
32×add-sqr-sqrt add-cube-cbrt
19×pow1 add-exp-log cbrt-prod add-cbrt-cube
16×sqrt-div
12×associate-*r/
pow-prod-down prod-exp cbrt-unprod
frac-times distribute-lft-out
unpow-prod-down cube-prod associate-*l/ add-log-exp
pow-unpow
cube-div cbrt-div flip3-+ associate-*r* *-commutative flip-+ div-inv
cube-mult pow-to-exp pow-pow pow1/3 unpow3 pow-exp rem-cube-cbrt sqr-pow
Counts
4 → 131
Calls
4 calls:
33.0ms
(pow (+ (exp (- x)) (exp x)) 3)
391.0ms
(* (sqrt (/ (cbrt (* (cbrt (pow (+ (exp (- x)) (exp x)) 3)) (cbrt (pow (+ (exp (- x)) (exp x)) 3)))) 1)) (* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0)))))
251.0ms
(* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
46.0ms
(cbrt (+ (exp (- x)) (exp x)))

series735.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(pow (+ (exp (- x)) (exp x)) 3)
184.0ms
(* (sqrt (/ (cbrt (* (cbrt (pow (+ (exp (- x)) (exp x)) 3)) (cbrt (pow (+ (exp (- x)) (exp x)) 3)))) 1)) (* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0)))))
297.0ms
(* (sqrt (/ (cbrt (+ (exp (- x)) (exp x))) 2.0)) (* (cos y) (sqrt (/ (+ (exp x) (exp (- x))) 2.0))))
180.0ms
(cbrt (+ (exp (- x)) (exp x)))

simplify1.6s

Counts
143 → 143
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02824409
16663415
221343103
done50003061

prune1.1s

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes103.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01825
12025
done2025

end0.0ms

sample5.7s

Algorithm
halfpoints