Details

Time bar (total: 14.1s)

sample28.0ms

Algorithm
intervals
Results
11.0ms252×body80valid
2.0ms13×body640valid
1.0ms15×body320valid
1.0msbody1280valid
0.0msbody160valid

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
01113
12013
24513
311612
428412
565012
6145512
7284412
8474612
done500012

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.3b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- y x) (- a t))
15.3b
(fma (/ (- y x) (- a t)) (- z t) x)

rewrite14.0ms

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:
11.0ms
(/ (- y x) (- a t))
0.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

series135.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(/ (- y x) (- a t))
85.0ms
(fma (/ (- y x) (- a t)) (- z t) x)

simplify860.0ms

Counts
70 → 70
Iterations

Useful iterations: done (858.0ms)

IterNodesCost
0118918
1270890
2701838
32285836
done5000834

prune199.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.3b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- y x) (- a t))
2.6b
(+ (* (/ (- y x) (- a t)) (- z t)) x)
6.1b
(* (/ (- y x) (- a t)) (- z t))

rewrite67.0ms

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))
13.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
35.0ms
(* (/ (- y x) (- a t)) (- z t))

series401.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- y x) (- a t))
142.0ms
(+ (* (/ (- y x) (- a t)) (- z t)) x)
206.0ms
(* (/ (- y x) (- a t)) (- z t))

simplify1.0s

Counts
179 → 179
Iterations

Useful iterations: 2 (202.0ms)

IterNodesCost
02563107
16872740
225252480
done50002480

prune439.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 5.2b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.5b
(* (- y x) (/ (- z t) (- a t)))
1.9b
(+ (* (- y x) (/ (- z t) (- a t))) x)

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

series317.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(/ (- z t) (- a t))
114.0ms
(* (- y x) (/ (- z t) (- a t)))
152.0ms
(+ (* (- y x) (/ (- z t) (- a t))) x)

simplify638.0ms

Counts
135 → 135
Iterations

Useful iterations: 2 (148.0ms)

IterNodesCost
01891881
14941765
219111669
done50011669

prune350.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.4b

localize17.0ms

Local error

Found 4 expressions with local error:

2.7b
(cbrt (* (- y x) (/ (- z t) (- a t))))
2.7b
(cbrt (* (- y x) (/ (- z t) (- a t))))
2.7b
(cbrt (* (- y x) (/ (- z t) (- a t))))
8.4b
(+ (* (* (cbrt (* (- y x) (/ (- z t) (- a t)))) (cbrt (* (- y x) (/ (- z t) (- a t))))) (cbrt (* (- y x) (/ (- z t) (- a t))))) x)

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-div
frac-times flip3-- associate-*l/ flip-- add-log-exp
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u
cbrt-prod pow1/3 associate-*r/
+-commutative fma-def flip3-+ sum-log flip-+
Counts
4 → 62
Calls
4 calls:
12.0ms
(cbrt (* (- y x) (/ (- z t) (- a t))))
9.0ms
(cbrt (* (- y x) (/ (- z t) (- a t))))
9.0ms
(cbrt (* (- y x) (/ (- z t) (- a t))))
41.0ms
(+ (* (* (cbrt (* (- y x) (/ (- z t) (- a t)))) (cbrt (* (- y x) (/ (- z t) (- a t))))) (cbrt (* (- y x) (/ (- z t) (- a t))))) x)

series3.8s

Counts
4 → 12
Calls
4 calls:
1.2s
(cbrt (* (- y x) (/ (- z t) (- a t))))
1.2s
(cbrt (* (- y x) (/ (- z t) (- a t))))
1.2s
(cbrt (* (- y x) (/ (- z t) (- a t))))
153.0ms
(+ (* (* (cbrt (* (- y x) (/ (- z t) (- a t)))) (cbrt (* (- y x) (/ (- z t) (- a t))))) (cbrt (* (- y x) (/ (- z t) (- a t))))) x)

simplify825.0ms

Counts
74 → 74
Iterations

Useful iterations: 3 (230.0ms)

IterNodesCost
01091820
12541775
27061133
326831089
done50001089

prune295.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 2.4b

regimes243.0ms

Accuracy

14.5% (6.8b remaining)

Error of 10.4b against oracle of 3.6b and baseline of 11.6b

bsearch84.0ms

Steps
ItersRangePoint
4
9.43081911393732e-212
1.422627522925298e-211
1.1030275495192448e-211
10
-1.9397085611524536e-194
-4.033548273841036e-211
-1.5165747926583058e-205

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02246
12834
done2834

end0.0ms

sample715.0ms

Algorithm
intervals
Results
273.0ms7778×body80valid
57.0ms475×body640valid
42.0ms277×body1280valid
35.0ms387×body320valid
19.0ms301×body160valid
2.0ms11×body2560valid