Details

Time bar (total: 22.1s)

sample47.0ms

Algorithm
intervals
Results
16.0ms249×body80valid
3.0ms16×body640valid
2.0ms12×body320valid
1.0msbody1280valid
1.0msbody160valid
0.0msbody2560valid

simplify2.9s

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

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.6b

localize32.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
3.9b
(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:
38.0ms
(/ (- z t) (- a t))
1.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

series241.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(/ (- z t) (- a t))
182.0ms
(fma (/ (- z t) (- a t)) (- y x) x)

simplify1.8s

Counts
70 → 70
Iterations
IterNodes
done5000
34602
2861
1272
0116

prune571.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.1b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.4b
(/ 1 (/ (- a t) (- z t)))
3.9b
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

rewrite106.0ms

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:
47.0ms
(/ (- a t) (- z t))
36.0ms
(/ 1 (/ (- a t) (- z t)))
0.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

series497.0ms

Counts
3 → 9
Calls
3 calls:
70.0ms
(/ (- a t) (- z t))
201.0ms
(/ 1 (/ (- a t) (- z t)))
227.0ms
(fma (/ 1 (/ (- a t) (- z t))) (- y x) x)

simplify1.5s

Counts
223 → 223
Iterations
IterNodes
done5002
23962
1714
0273

prune845.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.1b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.2b
(* (- a t) (/ 1 (- z t)))
0.4b
(/ 1 (* (- a t) (/ 1 (- z t))))
4.4b
(fma (/ 1 (* (- a t) (/ 1 (- z t)))) (- y x) x)

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log
49×add-sqr-sqrt
43×*-un-lft-identity
35×times-frac
26×add-cube-cbrt
21×associate-*r*
20×add-cbrt-cube div-exp
16×prod-exp
10×pow1 rec-exp 1-exp associate-/r/
distribute-lft-out-- difference-of-squares
cbrt-undiv associate-/r* flip3-- flip-- associate-/l*
associate-*l*
expm1-log1p-u frac-times associate-*l/ cbrt-unprod log1p-expm1-u add-log-exp
div-inv pow-flip unswap-sqr
clear-num frac-2neg pow-prod-down associate-*r/ un-div-inv inv-pow
*-commutative fma-udef
Counts
4 → 151
Calls
4 calls:
17.0ms
(/ 1 (- z t))
61.0ms
(* (- a t) (/ 1 (- z t)))
37.0ms
(/ 1 (* (- a t) (/ 1 (- z t))))
0.0ms
(fma (/ 1 (* (- a t) (/ 1 (- z t)))) (- y x) x)

series500.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ 1 (- z t))
55.0ms
(* (- a t) (/ 1 (- z t)))
168.0ms
(/ 1 (* (- a t) (/ 1 (- z t))))
226.0ms
(fma (/ 1 (* (- a t) (/ 1 (- z t)))) (- y x) x)

simplify4.6s

Counts
163 → 163
Iterations
IterNodes
done5001
23817
1498
0196

prune887.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.1b

localize25.0ms

Local error

Found 4 expressions with local error:

3.9b
(fma (* (/ (/ 1 (cbrt (/ (- a t) (- z t)))) (cbrt (/ (- a t) (- z t)))) (/ 1 (cbrt (/ (- a t) (- z t))))) (- y x) x)
4.7b
(cbrt (/ (- a t) (- z t)))
4.7b
(cbrt (/ (- a t) (- z t)))
4.7b
(cbrt (/ (- a t) (- z t)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
97×add-sqr-sqrt *-un-lft-identity
93×cbrt-prod
75×times-frac
37×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
associate-/r/
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 div-inv flip--
fma-udef
Counts
4 → 136
Calls
4 calls:
0.0ms
(fma (* (/ (/ 1 (cbrt (/ (- a t) (- z t)))) (cbrt (/ (- a t) (- z t)))) (/ 1 (cbrt (/ (- a t) (- z t))))) (- y x) x)
8.0ms
(cbrt (/ (- a t) (- z t)))
9.0ms
(cbrt (/ (- a t) (- z t)))
16.0ms
(cbrt (/ (- a t) (- z t)))

series1.4s

Counts
4 → 12
Calls
4 calls:
163.0ms
(fma (* (/ (/ 1 (cbrt (/ (- a t) (- z t)))) (cbrt (/ (- a t) (- z t)))) (/ 1 (cbrt (/ (- a t) (- z t))))) (- y x) x)
450.0ms
(cbrt (/ (- a t) (- z t)))
386.0ms
(cbrt (/ (- a t) (- z t)))
433.0ms
(cbrt (/ (- a t) (- z t)))

simplify1.6s

Counts
148 → 148
Iterations
IterNodes
done5000
32910
2782
1350
0181

prune1.1s

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 4.1b

regimes1.1s

Accuracy

44.3% (4.5b remaining)

Error of 8.4b against oracle of 4.0b and baseline of 12.0b

bsearch3.0ms

simplify7.0ms

Iterations
IterNodes
done42
142
033

end0.0ms

sample2.1s

Algorithm
intervals
Results
589.0ms500×body640valid
548.0ms7765×body80valid
115.0ms276×body1280valid
113.0ms422×body320valid
103.0ms282×body160valid
2.0msbody2560valid