Details

Time bar (total: 14.6s)

sample29.0ms

Algorithm
intervals
Results
8.0ms257×body80valid
2.0ms20×body320valid
1.0ms11×body640valid
1.0msbody1280valid
0.0msbody160valid
0.0msbody2560valid

simplify5.9s

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: 11.8b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.7b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite26.0ms

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:
23.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series163.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(/ (- y x) (- a t))
102.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify1.0s

Counts
70 → 70
Iterations

Useful iterations: done (1.0s)

IterNodesCost
0118918
1270890
2658838
31740836
done5000830

prune207.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 6.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- y x) (/ 1 (- a t)))
15.7b
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
12.0ms
(/ 1 (- a t))
46.0ms
(* (- y x) (/ 1 (- a t)))
0.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

series205.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ 1 (- a t))
62.0ms
(* (- y x) (/ 1 (- a t)))
105.0ms
(fma (* (- y x) (/ 1 (- a t))) (- z t) x)

simplify1.7s

Counts
114 → 114
Iterations

Useful iterations: 3 (859.0ms)

IterNodesCost
01551285
13451052
2954948
33237946
done5001946

prune265.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 6.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
3.4b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
7.0b
(* (/ (- y x) (- a t)) (- z t))

rewrite123.0ms

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:
23.0ms
(/ (- y x) (- a t))
28.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
64.0ms
(* (/ (- y x) (- a t)) (- z t))

series473.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(/ (- y x) (- a t))
171.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
239.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.1s

Counts
179 → 179
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02563107
16672740
219392516
done50012490

prune466.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 6.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.8b
(* (- y x) (/ (- z t) (- a t)))
2.5b
(+ (* (- y x) (/ (- z t) (- a t))) x)

rewrite111.0ms

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:
23.0ms
(/ (- z t) (- a t))
56.0ms
(* (- y x) (/ (- z t) (- a t)))
26.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

series374.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ (- z t) (- a t))
134.0ms
(* (- y x) (/ (- z t) (- a t)))
185.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

simplify917.0ms

Counts
135 → 135
Iterations

Useful iterations: done (913.0ms)

IterNodesCost
01891881
14871765
217691669
done50001667

prune346.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 2.5b

regimes257.0ms

Accuracy

12.4% (7.1b remaining)

Error of 10.8b against oracle of 3.7b and baseline of 11.8b

bsearch94.0ms

Steps
ItersRangePoint
8
1.0742526209927486e-222
5.910843807315664e-220
1.5302023893518548e-220
9
-3.14580386158863e-55
-1.6550014685892204e-61
-2.4158579409769696e-58

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02144
12533
done2533

end0.0ms

sample791.0ms

Algorithm
intervals
Results
247.0ms7783×body80valid
59.0ms500×body640valid
45.0ms273×body1280valid
33.0ms391×body320valid
16.0ms273×body160valid
4.0ms21×body2560valid