Details

Time bar (total: 16.0s)

sample29.0ms

Algorithm
intervals
Results
7.0ms233×body80valid
3.0ms25×body640valid
1.0ms10×body1280valid
1.0ms15×body320valid
0.0msbody160valid

simplify6.1s

Counts
1 → 1
Iterations

Useful iterations: 3 (15.0ms)

IterNodesCost
01113
12013
24513
311612
432212
577012
6155612
7286512
8469812
done500012

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 13.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
17.5b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
30.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series166.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(/ (- y x) (- a t))
102.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify1.3s

Counts
70 → 70
Iterations

Useful iterations: done (1.3s)

IterNodesCost
0118918
1270890
2658838
31740836
done5000830

prune227.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 7.7b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
2.6b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
5.8b
(* (/ (- y x) (- a t)) (- z t))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×add-cube-cbrt times-frac
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*r* associate-/r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times associate-*r/ div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
26.0ms
(/ (- y x) (- a t))
28.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
69.0ms
(* (/ (- y x) (- a t)) (- z t))

series456.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ (- y x) (- a t))
166.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
228.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.1s

Counts
179 → 179
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02563107
16672740
219392516
done50012490

prune502.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 7.6b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.3b
(* (- y x) (/ (- z t) (- a t)))
1.6b
(+ (* (- y x) (/ (- z t) (- a t))) x)

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
expm1-log1p-u log1p-expm1-u
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative fma-def frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 126
Calls
3 calls:
26.0ms
(/ (- z t) (- a t))
79.0ms
(* (- y x) (/ (- z t) (- a t)))
44.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

series383.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(/ (- z t) (- a t))
136.0ms
(* (- y x) (/ (- z t) (- a t)))
189.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

simplify939.0ms

Counts
135 → 135
Iterations

Useful iterations: done (935.0ms)

IterNodesCost
01891881
14871765
217691669
done50001667

prune406.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.7b

localize14.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(* (cbrt (- a t)) (cbrt (- a t)))
1.3b
(* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))))
9.4b
(+ (* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) x)

rewrite306.0ms

Algorithm
rewrite-expression-head
Rules
182×times-frac
150×associate-*r*
149×add-sqr-sqrt
133×*-un-lft-identity
120×cbrt-prod
112×cbrt-div
66×associate-/r/
65×add-cube-cbrt
58×flip3-- flip--
38×frac-times
33×distribute-lft-out--
31×difference-of-squares
20×add-exp-log associate-*l/
19×associate-*r/
13×pow1 associate-*l* add-cbrt-cube
10×swap-sqr
div-inv unswap-sqr
pow1/3
prod-exp cbrt-unprod add-log-exp
cbrt-undiv div-exp
expm1-log1p-u log1p-expm1-u
pow-prod-down
pow-sqr *-commutative pow-prod-up
+-commutative pow2 fma-def flip3-+ pow-plus sum-log flip-+
Counts
4 → 265
Calls
4 calls:
4.0ms
(cbrt (- a t))
43.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
161.0ms
(* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))))
75.0ms
(+ (* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) x)

series653.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(cbrt (- a t))
151.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
138.0ms
(* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))))
193.0ms
(+ (* (- y x) (/ (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t)))) x)

simplify617.0ms

Counts
277 → 277
Iterations

Useful iterations: done (607.0ms)

IterNodesCost
04926153
112895822
done50005175

prune977.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.6b

regimes404.0ms

Accuracy

-4.4% (8.5b remaining)

Error of 12.0b against oracle of 3.5b and baseline of 11.6b

bsearch210.0ms

Steps
ItersRangePoint
6
2.1337374506248387e+268
2.6461398214311264e+269
4.6973134801150785e+268
11
2.0893902321101696e+128
5.791159728287554e+152
1.0361740754760255e+139
10
2.0068999130450005e+110
1.3481840315279074e+121
2.684379757761613e+120
9
-5.778998546738359e+98
-9.43474742152184e+92
-5.676216823033654e+98

simplify16.0ms

Iterations

Useful iterations: 4 (7.0ms)

IterNodesCost
02878
13467
23755
34344
44643
54943
65043
75143
done5143

end0.0ms

sample852.0ms

Algorithm
intervals
Results
264.0ms7784×body80valid
55.0ms485×body640valid
46.0ms264×body1280valid
35.0ms403×body320valid
16.0ms268×body160valid
3.0ms18×body2560valid