Details

Time bar (total: 20.8s)

sample30.0ms

Algorithm
intervals
Results
10.0ms254×body80valid
3.0ms18×body640valid
1.0msbody1280valid
1.0msbody320valid
0.0msbody160valid

simplify3.2s

Counts
1 → 1
Iterations
IterNodes
done5000
61890
5788
4299
3108
243
120
011

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 8.4b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.4b
(fma (/ (- z t) (- a t)) (- y x) x)

rewrite29.0ms

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

series288.0ms

Counts
2 → 6
Calls
2 calls:
85.0ms
(/ (- z t) (- a t))
202.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify1.9s

Counts
70 → 70
Iterations
IterNodes
done5002
32154
2678
1272
0116

prune493.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.3b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.1b
(* (/ (- z t) (- a t)) (- y x))
1.1b
(+ (* (/ (- z t) (- a t)) (- y x)) x)

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
97×*-un-lft-identity
51×times-frac add-cube-cbrt
36×prod-diff
31×associate-*l*
23×distribute-lft-out-- difference-of-squares
22×distribute-rgt-in associate-+l+ distribute-lft-in
10×add-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- associate-*r* flip-- associate-/l* add-log-exp
sub-neg associate-/r/
expm1-log1p-u log1p-expm1-u
frac-times cbrt-undiv div-exp prod-exp associate-*r/ cbrt-unprod div-inv unswap-sqr associate-/l/
+-commutative clear-num sum-log fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ *-commutative flip-+
Counts
3 → 170
Calls
3 calls:
25.0ms
(/ (- z t) (- a t))
76.0ms
(* (/ (- z t) (- a t)) (- y x))
22.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

series794.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- z t) (- a t))
481.0ms
(* (/ (- z t) (- a t)) (- y x))
240.0ms
(+ (* (/ (- z t) (- a t)) (- y x)) x)

simplify1.8s

Counts
179 → 179
Iterations
IterNodes
done5000
22193
1715
0255

prune1.1s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.3b

localize42.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- z t) (- a t))
0.0b
(/ (- z t) (- a t))
0.8b
(* (/ (- z t) (- a t)) y)
3.3b
(fma (/ (- z t) (- a t)) (- x) x)

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
108×*-un-lft-identity
76×times-frac
40×add-cube-cbrt
34×distribute-lft-out-- difference-of-squares
31×associate-*l*
13×add-cbrt-cube add-exp-log
10×associate-/r* associate-/l*
pow1 associate-/r/
flip3-- flip--
expm1-log1p-u log1p-expm1-u add-log-exp associate-/l/
cbrt-undiv div-exp associate-*r* div-inv
clear-num frac-2neg div-sub prod-exp cbrt-unprod unswap-sqr
pow-prod-down associate-*l/ *-commutative fma-udef
Counts
4 → 170
Calls
4 calls:
24.0ms
(/ (- z t) (- a t))
31.0ms
(/ (- z t) (- a t))
54.0ms
(* (/ (- z t) (- a t)) y)
0.0ms
(fma (/ (- z t) (- a t)) (- x) x)

series466.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(/ (- z t) (- a t))
73.0ms
(/ (- z t) (- a t))
165.0ms
(* (/ (- z t) (- a t)) y)
163.0ms
(fma (/ (- z t) (- a t)) (- x) x)

simplify2.3s

Counts
182 → 182
Iterations
IterNodes
done5000
34317
21159
1406
0162

prune926.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 3.3b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.8b
(* (/ (- z t) (- a t)) (* (cbrt y) (cbrt y)))
3.3b
(fma (/ (- z t) (- a t)) (- x) x)

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt
37×*-un-lft-identity
31×associate-*l*
26×times-frac
17×add-cube-cbrt
16×add-exp-log
12×add-cbrt-cube
10×distribute-lft-out-- difference-of-squares
pow1
cbrt-prod prod-exp cbrt-unprod
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down
cbrt-undiv pow1/3 div-exp associate-/r/ unswap-sqr
flip3-- associate-*r* associate-*l/ *-commutative fma-udef div-inv flip--
Counts
4 → 91
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
49.0ms
(* (/ (- z t) (- a t)) (* (cbrt y) (cbrt y)))
0.0ms
(fma (/ (- z t) (- a t)) (- x) x)

series1.4s

Counts
4 → 12
Calls
4 calls:
266.0ms
(cbrt y)
627.0ms
(cbrt y)
348.0ms
(* (/ (- z t) (- a t)) (* (cbrt y) (cbrt y)))
114.0ms
(fma (/ (- z t) (- a t)) (- x) x)

simplify2.5s

Counts
103 → 103
Iterations
IterNodes
done5025
34006
21046
1370
0139

prune716.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.3b

regimes1.0s

Accuracy

32.7% (3.1b remaining)

Error of 6.1b against oracle of 3.0b and baseline of 7.6b

bsearch2.0ms

simplify6.0ms

Iterations
IterNodes
done40
140
029

end0.0ms

sample1.4s

Algorithm
intervals
Results
730.0ms7870×body80valid
97.0ms458×body640valid
72.0ms263×body1280valid
60.0ms374×body320valid
44.0ms258×body160valid
8.0ms23×body2560valid