Details

Time bar (total: 17.0s)

sample39.0ms

Algorithm
intervals
Results
15.0ms252×body80valid
2.0ms14×body640valid
1.0ms12×body320valid
1.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 3 (15.0ms)

IterNodesCost
01113
12013
24513
311612
432612
5100212
6398412
done500012

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.3b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.4b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite28.0ms

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:
25.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series184.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(/ (- y x) (- a t))
120.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify2.3s

Counts
70 → 70
Iterations

Useful iterations: 3 (849.0ms)

IterNodesCost
0118918
1275890
2851838
34610836
done5000836

prune259.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 6.0b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
2.8b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
6.4b
(* (/ (- y x) (- a t)) (- z t))

rewrite162.0ms

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:
32.0ms
(/ (- y x) (- a t))
33.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
86.0ms
(* (/ (- y x) (- a t)) (- z t))

series584.0ms

Counts
3 → 9
Calls
3 calls:
99.0ms
(/ (- y x) (- a t))
192.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
293.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.9s

Counts
179 → 179
Iterations

Useful iterations: done (1.9s)

IterNodesCost
02563107
17192752
233212516
done50012490

prune628.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 6.0b

localize17.0ms

Local error

Found 3 expressions with local error:

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

rewrite166.0ms

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:
32.0ms
(/ (- z t) (- a t))
83.0ms
(* (- y x) (/ (- z t) (- a t)))
46.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

series395.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ (- z t) (- a t))
132.0ms
(* (- y x) (/ (- z t) (- a t)))
204.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

simplify1.8s

Counts
135 → 135
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01891881
15191777
226521675
done50021667

prune485.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 2.5b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
3.1b
(fma (- y x) (/ (- z t) (- a t)) x)

rewrite46.0ms

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:
42.0ms
(/ (- z t) (- a t))
1.0ms
(fma (- y x) (/ (- z t) (- a t)) x)

series266.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(/ (- z t) (- a t))
185.0ms
(fma (- y x) (/ (- z t) (- a t)) x)

simplify2.8s

Counts
70 → 70
Iterations

Useful iterations: 3 (815.0ms)

IterNodesCost
0116918
1272890
2855840
34653836
done5000836

prune242.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 2.5b

regimes492.0ms

Accuracy

17.2% (6.8b remaining)

Error of 10.4b against oracle of 3.6b and baseline of 11.9b

bsearch102.0ms

Steps
ItersRangePoint
6
1.2730776164824128e-169
1.9699776342459955e-168
2.3214927699090608e-169
4
-5.362570321076992e-137
-3.5594867624673915e-137
-3.8376314895751423e-137

simplify4.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02348
13035
done3035

end0.0ms

sample1.6s

Algorithm
intervals
Results
613.0ms7716×body80valid
179.0ms426×body320valid
105.0ms498×body640valid
68.0ms295×body160valid
66.0ms245×body1280valid
5.0ms13×body2560valid