Details

Time bar (total: 19.8s)

sample49.0ms

Algorithm
intervals
Results
14.0ms253×body80valid
3.0msbody1280valid
3.0ms14×body640valid
1.0msbody320valid
1.0msbody160valid
0.0msbody2560valid

simplify2.7s

Counts
1 → 1
Iterations
IterNodes
done5000
63874
5979
4326
3116
245
120
011

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 9.3b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.1b
(fma (/ (- z t) (- a t)) (- y x) x)

rewrite42.0ms

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:
37.0ms
(/ (- z t) (- a t))
1.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

series279.0ms

Counts
2 → 6
Calls
2 calls:
85.0ms
(/ (- z t) (- a t))
194.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify2.6s

Counts
70 → 70
Iterations
IterNodes
done5000
34602
2861
1272
0116

prune570.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.6b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.2b
(/ 1 (/ (- a t) (- z t)))
2.1b
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
195×add-sqr-sqrt *-un-lft-identity
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp associate-/l*
flip3-- div-inv flip--
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp clear-num frac-2neg 1-exp associate-/l/
div-sub fma-udef pow-flip inv-pow
Counts
3 → 214
Calls
3 calls:
45.0ms
(/ (- a t) (- z t))
22.0ms
(/ 1 (/ (- a t) (- z t)))
0.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

series535.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(/ (- a t) (- z t))
243.0ms
(/ 1 (/ (- a t) (- z t)))
210.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

simplify2.4s

Counts
223 → 223
Iterations
IterNodes
done5002
23962
1714
0273

prune1.2s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.4b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ a (- z t))
0.0b
(/ t (- z t))
0.2b
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
2.1b
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
175×*-un-lft-identity
156×times-frac
135×add-sqr-sqrt
56×distribute-lft-out--
55×add-cube-cbrt
32×difference-of-squares
28×associate-/r*
24×associate-/r/
12×distribute-rgt-out-- add-exp-log
11×flip3-- div-inv flip--
10×add-cbrt-cube
associate-/l*
pow1
expm1-log1p-u div-exp log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg
rec-exp 1-exp frac-sub fma-udef pow-flip inv-pow sub-div
Counts
4 → 185
Calls
4 calls:
10.0ms
(/ a (- z t))
10.0ms
(/ t (- z t))
133.0ms
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
0.0ms
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

series500.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(/ a (- z t))
87.0ms
(/ t (- z t))
130.0ms
(/ 1 (- (/ a (- z t)) (/ t (- z t))))
220.0ms
(fma (/ 1 (- (/ a (- z t)) (/ t (- z t)))) (- y x) x)

simplify1.5s

Counts
197 → 197
Iterations
IterNodes
done5001
22549
1548
0275

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.4b

localize53.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
7.4b
(fma (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- z t) (cbrt (- a t)))) (- y x) x)

rewrite11.0ms

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:
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
3.0ms
(cbrt (- a t))
0.0ms
(fma (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- z t) (cbrt (- a t)))) (- y x) x)

series909.0ms

Counts
4 → 12
Calls
4 calls:
215.0ms
(cbrt (- a t))
235.0ms
(cbrt (- a t))
264.0ms
(cbrt (- a t))
195.0ms
(fma (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- z t) (cbrt (- a t)))) (- y x) x)

simplify1.6s

Counts
73 → 73
Iterations
IterNodes
done5002
32092
2537
1206
097

prune627.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.4b

regimes1.0s

Accuracy

51.1% (5.4b remaining)

Error of 9.0b against oracle of 3.7b and baseline of 14.7b

bsearch3.0ms

simplify17.0ms

Iterations
IterNodes
done43
143
037

end0.0ms

sample1.7s

Algorithm
intervals
Results
722.0ms7915×body80valid
129.0ms433×body320valid
96.0ms450×body640valid
74.0ms274×body1280valid
24.0ms222×body160valid
5.0ms15×body2560valid