Details

Time bar (total: 19.0s)

sample26.0ms

Algorithm
intervals
Results
8.0ms258×body80valid
2.0ms13×body640valid
1.0ms10×body320valid
1.0msbody1280valid
0.0msbody160valid
0.0msbody2560valid

simplify2.9s

Counts
1 → 1
Iterations

Useful iterations: 3 (12.0ms)

IterNodesCost
01113
12013
24513
311412
427812
561412
6124612
7229912
8403412
done500012

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 8.3b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
12.6b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite15.0ms

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:
12.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series151.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(/ (- y x) (- a t))
94.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 4 (941.0ms)

IterNodesCost
0118918
1270890
2628838
31591836
44634828
done5000828

prune222.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.3b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
5.6b
(* (/ (- y x) (- a t)) (- z t))

rewrite69.0ms

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:
11.0ms
(/ (- y x) (- a t))
16.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
33.0ms
(* (/ (- y x) (- a t)) (- z t))

series430.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ (- y x) (- a t))
156.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
219.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.0s

Counts
179 → 179
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02563107
16762740
221022516
done50002480

prune501.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 5.6b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.9b
(+ (* (- y x) (/ (- z t) (- a t))) x)
2.4b
(* (- y x) (/ (- z t) (- a t)))

rewrite60.0ms

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:
11.0ms
(/ (- z t) (- a t))
11.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)
30.0ms
(* (- y x) (/ (- z t) (- a t)))

series333.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ (- z t) (- a t))
158.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)
121.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify878.0ms

Counts
135 → 135
Iterations

Useful iterations: 2 (326.0ms)

IterNodesCost
01891881
14921765
217241669
done50001669

prune397.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.6b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ z (- a t))
0.0b
(/ t (- a t))
1.9b
(+ (* (- y x) (- (/ z (- a t)) (/ t (- a t)))) x)
2.4b
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

rewrite715.0ms

Algorithm
rewrite-expression-head
Rules
2592×*-un-lft-identity
2584×add-sqr-sqrt
2568×times-frac
1764×prod-diff
1540×add-cube-cbrt
886×distribute-rgt-in associate-+l+ distribute-lft-in
525×distribute-lft-out--
519×difference-of-squares
344×associate-/r/
180×flip3-- flip--
172×div-inv
18×associate-*r*
10×add-exp-log associate-/r* add-cbrt-cube
frac-times
pow1 associate-/l* add-log-exp
associate-*l*
expm1-log1p-u sub-neg associate-*r/ log1p-expm1-u
distribute-rgt-out-- frac-sub sub-div
cbrt-undiv frac-2neg div-exp associate-*l/ clear-num
+-commutative fma-def flip3-+ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 1915
Calls
4 calls:
5.0ms
(/ z (- a t))
5.0ms
(/ t (- a t))
180.0ms
(+ (* (- y x) (- (/ z (- a t)) (/ t (- a t)))) x)
240.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

series377.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(/ z (- a t))
56.0ms
(/ t (- a t))
164.0ms
(+ (* (- y x) (- (/ z (- a t)) (/ t (- a t)))) x)
126.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))

simplify1.6s

Counts
1927 → 1927
Iterations

Useful iterations: done (1.5s)

IterNodesCost
0136494987
1221584993
done500084735

prune6.3s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.4b

regimes230.0ms

Accuracy

0% (5.0b remaining)

Error of 8.5b against oracle of 3.5b and baseline of 8.5b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01321
11721
done1721

end0.0ms

sample723.0ms

Algorithm
intervals
Results
269.0ms7821×body80valid
62.0ms494×body640valid
41.0ms271×body1280valid
37.0ms410×body320valid
16.0ms252×body160valid
3.0ms16×body2560valid