Details

Time bar (total: 29.5s)

sample102.0ms

Algorithm
intervals
Results
26.0ms293×body80valid
22.0ms275×body80nan

simplify8.6s

Counts
1 → 1
Iterations

Useful iterations: 5 (1.5s)

IterNodesCost
01516
13016
28815
327615
477615
5210614
6482714
done500014

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma (- a 0.5) b (+ x y))
0.1b
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
0.0ms
(fma (- a 0.5) b (+ x y))
0.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

series361.0ms

Counts
2 → 6
Calls
2 calls:
93.0ms
(fma (- a 0.5) b (+ x y))
268.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

simplify2.5s

Counts
26 → 26
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
043346
177341
2172297
3599297
44388297
done5000297

prune146.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- a 0.5) b)
0.1b
(- (+ (+ x y) z) (* z (log t)))
0.3b
(* z (log t))

rewrite262.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
19×add-sqr-sqrt
13×add-cube-cbrt
12×log-prod add-log-exp
pow1 associate-*l*
add-exp-log associate-*r* add-cbrt-cube
distribute-rgt-in distribute-lft-in distribute-lft-out associate--r+
fma-neg prod-diff
expm1-log1p-u diff-log sum-log log1p-expm1-u
flip3-- pow-prod-down associate-*l/ prod-exp *-commutative flip-- cbrt-unprod unswap-sqr
sub-neg associate--l+ log-pow distribute-lft-out-- difference-of-squares
Counts
3 → 84
Calls
3 calls:
39.0ms
(* (- a 0.5) b)
210.0ms
(- (+ (+ x y) z) (* z (log t)))
9.0ms
(* z (log t))

series161.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(* (- a 0.5) b)
63.0ms
(- (+ (+ x y) z) (* z (log t)))
56.0ms
(* z (log t))

simplify1.2s

Counts
93 → 93
Iterations

Useful iterations: done (1.2s)

IterNodesCost
0169938
1369895
21236804
done5001777

prune292.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (log (cbrt t)) z)
0.3b
(+ (* z (* 2 (log (cbrt t)))) (* (log (cbrt t)) z))
0.5b
(cbrt t)
0.5b
(cbrt t)

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
24×distribute-rgt-in associate-+l+ log-prod distribute-lft-in
18×cbrt-prod add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
pow1
add-exp-log add-cbrt-cube add-log-exp
associate-*l*
expm1-log1p-u log1p-expm1-u
pow1/3 associate-*r*
log-pow
+-commutative fma-def flip3-+ pow-prod-down prod-exp sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 86
Calls
4 calls:
15.0ms
(* (log (cbrt t)) z)
25.0ms
(+ (* z (* 2 (log (cbrt t)))) (* (log (cbrt t)) z))
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series759.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(* (log (cbrt t)) z)
125.0ms
(+ (* z (* 2 (log (cbrt t)))) (* (log (cbrt t)) z))
230.0ms
(cbrt t)
232.0ms
(cbrt t)

simplify6.0s

Counts
98 → 98
Iterations

Useful iterations: 3 (3.0s)

IterNodesCost
0132968
1323855
21004677
34829594
done5000594

prune573.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.2b
(* z (* 2 (log (cbrt t))))
0.2b
(* (log (cbrt t)) z)
0.5b
(cbrt t)
0.5b
(cbrt t)

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
24×distribute-rgt-in log-prod distribute-lft-in
19×add-sqr-sqrt
18×cbrt-prod
17×add-cube-cbrt *-un-lft-identity
12×pow1
11×add-exp-log add-cbrt-cube
associate-*l*
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u add-log-exp
pow1/3
log-pow *-commutative
unswap-sqr
Counts
4 → 92
Calls
4 calls:
45.0ms
(* z (* 2 (log (cbrt t))))
15.0ms
(* (log (cbrt t)) z)
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series735.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(* z (* 2 (log (cbrt t))))
129.0ms
(* (log (cbrt t)) z)
251.0ms
(cbrt t)
240.0ms
(cbrt t)

simplify3.2s

Counts
104 → 104
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
0147952
1297896
2826765
33314748
done5000748

prune501.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes417.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01516
12016
done2016

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.2s9188×body80nan
931.0ms9098×body80valid
1.0msbody320valid
0.0msbody160valid