Details

Time bar (total: 20.5s)

sample41.0ms

Algorithm
intervals
Results
12.0ms235×body80valid
2.0msbody1280valid
2.0ms12×body640valid
2.0ms16×body320valid
1.0msbody160valid
0.0msbody2560valid

simplify2.4s

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

prune16.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 10.5b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.4b
(fma y (/ (- t z) (- a t)) (+ y x))

rewrite22.0ms

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:
19.0ms
(/ (- t z) (- a t))
0.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

series254.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(/ (- t z) (- a t))
188.0ms
(fma y (/ (- t z) (- a t)) (+ y x))

simplify2.2s

Counts
70 → 70
Iterations
IterNodes
done5000
34441
2825
1263
0114

prune520.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.9b

localize36.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- t z))
0.4b
(/ 1 (/ (- a t) (- t z)))
3.4b
(fma y (/ 1 (/ (- a t) (- t z))) (+ y x))

rewrite108.0ms

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) (- t z))
43.0ms
(/ 1 (/ (- a t) (- t z)))
1.0ms
(fma y (/ 1 (/ (- a t) (- t z))) (+ y x))

series478.0ms

Counts
3 → 9
Calls
3 calls:
92.0ms
(/ (- a t) (- t z))
238.0ms
(/ 1 (/ (- a t) (- t z)))
148.0ms
(fma y (/ 1 (/ (- a t) (- t z))) (+ y x))

simplify1.9s

Counts
223 → 223
Iterations
IterNodes
done5002
23978
1713
0273

prune1.3s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.9b

localize47.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- t z))
0.2b
(* (- a t) (/ 1 (- t z)))
0.4b
(/ 1 (* (- a t) (/ 1 (- t z))))
4.8b
(fma y (/ 1 (* (- a t) (/ 1 (- t z)))) (+ y x))

rewrite136.0ms

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:
22.0ms
(/ 1 (- t z))
49.0ms
(* (- a t) (/ 1 (- t z)))
54.0ms
(/ 1 (* (- a t) (/ 1 (- t z))))
1.0ms
(fma y (/ 1 (* (- a t) (/ 1 (- t z)))) (+ y x))

series429.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ 1 (- t z))
72.0ms
(* (- a t) (/ 1 (- t z)))
166.0ms
(/ 1 (* (- a t) (/ 1 (- t z))))
142.0ms
(fma y (/ 1 (* (- a t) (/ 1 (- t z)))) (+ y x))

simplify3.9s

Counts
163 → 163
Iterations
IterNodes
done5001
23583
1499
0196

prune967.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.9b

localize31.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
0.6b
(cbrt (- a t))
8.4b
(fma y (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (+ y 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 y (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (+ y x))

series816.0ms

Counts
4 → 12
Calls
4 calls:
218.0ms
(cbrt (- a t))
213.0ms
(cbrt (- a t))
214.0ms
(cbrt (- a t))
171.0ms
(fma y (/ (/ (- t z) (* (cbrt (- a t)) (cbrt (- a t)))) (cbrt (- a t))) (+ y x))

simplify1.6s

Counts
73 → 73
Iterations
IterNodes
done5000
31600
2476
1191
094

prune663.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 3.9b

regimes933.0ms

Accuracy

45.2% (4.7b remaining)

Error of 7.8b against oracle of 3.1b and baseline of 11.7b

bsearch3.0ms

simplify4.0ms

Iterations
IterNodes
done29
129
028

end0.0ms

sample1.7s

Algorithm
intervals
Results
551.0ms7349×body80valid
546.0ms437×body640valid
94.0ms262×body1280valid
63.0ms397×body320valid
27.0ms259×body160valid
4.0ms15×body2560valid