Details

Time bar (total: 29.7s)

sample76.0ms

Algorithm
intervals
Results
19.0ms297×body80valid
17.0ms308×body80nan

simplify7.8s

Counts
1 → 1
Iterations

Useful iterations: 5 (1.3s)

IterNodesCost
01516
13016
28815
327615
477615
5210614
6482714
done500014

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

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)))

series370.0ms

Counts
2 → 6
Calls
2 calls:
68.0ms
(fma (- a 0.5) b (+ x y))
302.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

simplify2.6s

Counts
26 → 26
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
043346
177341
2172297
3599297
44388297
done5000297

prune175.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (- a 0.5) b (+ x y))
0.0b
(+ (- z (* (log t) z)) (fma (- a 0.5) b (+ x y)))
0.2b
(- z (* (log t) z))
0.2b
(* (log t) z)

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
12×add-sqr-sqrt
11×add-log-exp
10×add-cube-cbrt
pow1
add-exp-log prod-diff add-cbrt-cube
associate-+l+
expm1-log1p-u fma-def associate-*l* log1p-expm1-u
fma-neg associate-*r*
sub-neg distribute-rgt-out-- diff-log sum-log fma-udef
+-commutative associate-+l- associate-+r+ flip3-- flip3-+ pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
4 → 78
Calls
4 calls:
1.0ms
(fma (- a 0.5) b (+ x y))
45.0ms
(+ (- z (* (log t) z)) (fma (- a 0.5) b (+ x y)))
10.0ms
(- z (* (log t) z))
17.0ms
(* (log t) z)

series564.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(fma (- a 0.5) b (+ x y))
303.0ms
(+ (- z (* (log t) z)) (fma (- a 0.5) b (+ x y)))
70.0ms
(- z (* (log t) z))
117.0ms
(* (log t) z)

simplify3.3s

Counts
90 → 90
Iterations

Useful iterations: 3 (1.9s)

IterNodesCost
01301028
1296953
2860885
34000848
done5000848

prune507.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize26.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma (- a 0.5) b (+ x y))
0.0b
(+ (+ (* z (- 1 (log t))) (* (* (log t) 0) z)) (fma (- a 0.5) b (+ x y)))
0.3b
(* z (- 1 (log t)))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
26×*-un-lft-identity
25×add-sqr-sqrt
24×prod-diff
20×add-cube-cbrt
14×distribute-rgt-in distribute-lft-in
12×pow1
add-log-exp
associate-*r* log-pow
add-exp-log add-cbrt-cube
expm1-log1p-u fma-def associate-*l* sum-log log1p-expm1-u
sub-neg associate-*r/ fma-udef distribute-lft-out-- difference-of-squares
+-commutative associate-+l+ associate-+r+ flip3-- flip3-+ pow-prod-down prod-exp *-commutative flip-- cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
3 → 84
Calls
3 calls:
1.0ms
(fma (- a 0.5) b (+ x y))
108.0ms
(+ (+ (* z (- 1 (log t))) (* (* (log t) 0) z)) (fma (- a 0.5) b (+ x y)))
47.0ms
(* z (- 1 (log t)))

series491.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(fma (- a 0.5) b (+ x y))
350.0ms
(+ (+ (* z (- 1 (log t))) (* (* (log t) 0) z)) (fma (- a 0.5) b (+ x y)))
61.0ms
(* z (- 1 (log t)))

simplify3.9s

Counts
93 → 93
Iterations

Useful iterations: 3 (2.1s)

IterNodesCost
01691718
13541222
21013890
34144850
done5000850

prune368.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (fma b (- a 0.5) (- z (* (log t) z))) (+ x y))
0.0b
(fma b (- a 0.5) (- z (* (log t) z)))
0.2b
(- z (* (log t) z))
0.2b
(* (log t) z)

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
11×add-sqr-sqrt add-log-exp
add-cube-cbrt
pow1
add-exp-log add-cbrt-cube
expm1-log1p-u associate-*l* log1p-expm1-u
fma-def fma-neg associate-*r* prod-diff sum-log distribute-lft-out
fma-udef
+-commutative sub-neg associate-+l+ associate-+r+ flip3-- distribute-rgt-out-- flip3-+ diff-log pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod flip-+ unswap-sqr
Counts
4 → 73
Calls
4 calls:
34.0ms
(+ (fma b (- a 0.5) (- z (* (log t) z))) (+ x y))
1.0ms
(fma b (- a 0.5) (- z (* (log t) z)))
13.0ms
(- z (* (log t) z))
29.0ms
(* (log t) z)

series484.0ms

Counts
4 → 12
Calls
4 calls:
220.0ms
(+ (fma b (- a 0.5) (- z (* (log t) z))) (+ x y))
102.0ms
(fma b (- a 0.5) (- z (* (log t) z)))
64.0ms
(- z (* (log t) z))
97.0ms
(* (log t) z)

simplify3.9s

Counts
85 → 85
Iterations

Useful iterations: 3 (2.3s)

IterNodesCost
01411025
1345955
21077888
34720840
done5000840

prune372.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes547.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01415
11715
done1715

end0.0ms

sample3.9s

Algorithm
intervals
Results
1.2s9153×body80valid
1.0s9243×body80nan
2.0msbody2560valid
0.0msbody320valid
0.0msbody640valid