Details

Time bar (total: 17.9s)

sample63.0ms

Algorithm
intervals
Results
17.0ms231×body80valid
4.0ms12×body1280valid
4.0ms14×body640valid
4.0ms17×body320valid
1.0msbody160valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5000
63379
5728
4242
3111
252
122
011

prune21.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.6b

localize12.0ms

Local error

Found 2 expressions with local error:

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

rewrite40.0ms

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-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- associate-/r/ log1p-expm1-u flip-- add-log-exp associate-/l/
cbrt-undiv clear-num frac-2neg div-sub div-exp fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
35.0ms
(/ (- t z) (- a t))
0.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

series275.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- t z) (- a t))
219.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

simplify2.0s

Counts
70 → 70
Iterations
IterNodes
done5000
34441
2825
1263
0114

prune483.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.5b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- t z) (/ 1 (- a t)))
4.1b
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

rewrite83.0ms

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-/r* associate-*l*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
frac-times cbrt-undiv rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
clear-num frac-2neg pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef pow-flip inv-pow
Counts
3 → 105
Calls
3 calls:
10.0ms
(/ 1 (- a t))
69.0ms
(* (- t z) (/ 1 (- a t)))
1.0ms
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

series320.0ms

Counts
3 → 9
Calls
3 calls:
67.0ms
(/ 1 (- a t))
76.0ms
(* (- t z) (/ 1 (- a t)))
178.0ms
(fma y (* (- t z) (/ 1 (- a t))) (+ y x))

simplify4.2s

Counts
114 → 114
Iterations
IterNodes
done5001
22794
1357
0150

prune742.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.5b

localize47.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
9.0b
(fma y (/ (/ (/ (- t z) (cbrt (- a t))) (cbrt (- a t))) (cbrt (- a t))) (+ y x))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
6.0ms
(cbrt (- a t))
6.0ms
(cbrt (- a t))
7.0ms
(cbrt (- a t))
1.0ms
(fma y (/ (/ (/ (- t z) (cbrt (- a t))) (cbrt (- a t))) (cbrt (- a t))) (+ y x))

series835.0ms

Counts
4 → 12
Calls
4 calls:
222.0ms
(cbrt (- a t))
236.0ms
(cbrt (- a t))
211.0ms
(cbrt (- a t))
166.0ms
(fma y (/ (/ (/ (- t z) (cbrt (- a t))) (cbrt (- a t))) (cbrt (- a t))) (+ y x))

simplify839.0ms

Counts
73 → 73
Iterations
IterNodes
done5001
31576
2472
1191
095

prune630.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 3.5b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- t z) y)
1.9b
(+ (/ (* (- t z) y) (- a t)) (+ y x))
10.7b
(/ (* (- t z) y) (- a t))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
19×add-sqr-sqrt
11×fma-def
10×times-frac add-cbrt-cube add-exp-log
add-cube-cbrt
add-log-exp
pow1 associate-/r* associate-*l*
flip3-- associate-*l/ associate-/r/ flip-- distribute-lft-out-- difference-of-squares
expm1-log1p-u sum-log associate-*r* log1p-expm1-u distribute-lft-out
cbrt-undiv flip3-+ div-exp frac-add prod-exp cbrt-unprod flip-+ div-inv associate-/l/
+-commutative associate-+r+ clear-num frac-2neg pow-prod-down *-commutative associate-/l* unswap-sqr
Counts
3 → 85
Calls
3 calls:
32.0ms
(* (- t z) y)
69.0ms
(+ (/ (* (- t z) y) (- a t)) (+ y x))
19.0ms
(/ (* (- t z) y) (- a t))

series341.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(* (- t z) y)
186.0ms
(+ (/ (* (- t z) y) (- a t)) (+ y x))
103.0ms
(/ (* (- t z) y) (- a t))

simplify1.2s

Counts
94 → 94
Iterations
IterNodes
done5000
22393
1446
0153

prune622.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 3.5b

regimes650.0ms

Accuracy

35.1% (5.5b remaining)

Error of 8.6b against oracle of 3.1b and baseline of 11.6b

bsearch56.0ms

Steps
ItersRangePoint
3
4.0356565631473004e-100
5.070879917928193e-100
4.776220601035188e-100
3
-7.713673533084189e-160
-5.677852690405708e-160
-7.329630304780208e-160

simplify5.0ms

Iterations
IterNodes
done27
127
020

end0.0ms

sample1.8s

Algorithm
intervals
Results
851.0ms7334×body80valid
162.0ms453×body640valid
93.0ms394×body320valid
75.0ms263×body1280valid
63.0ms251×body160valid
6.0ms18×body2560valid