Details

Time bar (total: 29.2s)

sample90.0ms

Algorithm
intervals
Results
22.0ms308×body80nan
21.0ms297×body80valid

simplify7.6s

Counts
1 → 1
Iterations

Useful iterations: 5 (1.4s)

IterNodesCost
01516
13016
28815
327615
477615
5210614
6482714
done500014

prune17.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize23.0ms

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)))

series341.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(fma (- a 0.5) b (+ x y))
273.0ms
(fma z (- 1 (log t)) (fma (- a 0.5) b (+ x y)))

simplify2.6s

Counts
26 → 26
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
043346
177341
2172297
3599297
44388297
done5000297

prune143.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

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)

rewrite72.0ms

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:
0.0ms
(fma (- a 0.5) b (+ x y))
46.0ms
(+ (- z (* (log t) z)) (fma (- a 0.5) b (+ x y)))
10.0ms
(- z (* (log t) z))
14.0ms
(* (log t) z)

series533.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(fma (- a 0.5) b (+ x y))
316.0ms
(+ (- z (* (log t) z)) (fma (- a 0.5) b (+ x y)))
72.0ms
(- z (* (log t) z))
73.0ms
(* (log t) z)

simplify3.2s

Counts
90 → 90
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
01301028
1296953
2860885
34000848
done5000848

prune398.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 3 expressions with local error:

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

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
48×prod-diff
38×add-sqr-sqrt
37×*-un-lft-identity
33×add-cube-cbrt
28×distribute-rgt-in associate-+l+ distribute-lft-in
18×pow1
13×log-pow
associate-*r*
add-exp-log add-cbrt-cube add-log-exp
sub-neg
expm1-log1p-u associate-*l* log1p-expm1-u
associate-*r/ fma-udef distribute-lft-out-- difference-of-squares
+-commutative associate-+r+ flip3-- fma-def flip3-+ pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod flip-+ unswap-sqr
Counts
3 → 107
Calls
3 calls:
1.0ms
(fma (- a 0.5) b (+ x y))
48.0ms
(+ (* z (- 1 (log t))) (fma (- a 0.5) b (+ x y)))
30.0ms
(* z (- 1 (log t)))

series484.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(fma (- a 0.5) b (+ x y))
341.0ms
(+ (* z (- 1 (log t))) (fma (- a 0.5) b (+ x y)))
55.0ms
(* z (- 1 (log t)))

simplify3.8s

Counts
116 → 116
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01672165
13501556
28911324
344681178
done50001178

prune505.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (log t))
0.5b
(cbrt (log t))
0.5b
(cbrt (log t))
0.5b
(* (cbrt (log t)) (cbrt (log t)))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
23×add-sqr-sqrt
20×pow1
17×*-un-lft-identity
15×add-cube-cbrt
pow1/3 swap-sqr log-pow
associate-*r* associate-*l*
add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 89
Calls
4 calls:
2.0ms
(cbrt (log t))
2.0ms
(cbrt (log t))
2.0ms
(cbrt (log t))
26.0ms
(* (cbrt (log t)) (cbrt (log t)))

series1.7s

Counts
4 → 12
Calls
4 calls:
458.0ms
(cbrt (log t))
412.0ms
(cbrt (log t))
435.0ms
(cbrt (log t))
405.0ms
(* (cbrt (log t)) (cbrt (log t)))

simplify2.7s

Counts
101 → 101
Iterations

Useful iterations: done (2.7s)

IterNodesCost
066787
1125690
2319571
31110529
done5000523

prune471.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

regimes614.0ms

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
01515
12015
done2015

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.4s9153×body80valid
936.0ms9243×body80nan
2.0msbody2560valid
0.0msbody320valid
0.0msbody640valid