Details

Time bar (total: 8.2s)

sample33.0ms

Algorithm
intervals
Results
14.0ms389×body80valid

simplify95.0ms

Counts
1 → 1
Iterations

Useful iterations: 4 (36.0ms)

IterNodesCost
01315
12615
26512
312911
417110
518010
618310
done18310

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 1 expressions with local error:

2.2b
(fma a (fma z b t) (fma y z x))

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
1 → 10
Calls
1 calls:
0.0ms
(fma a (fma z b t) (fma y z x))

series107.0ms

Counts
1 → 3
Calls
1 calls:
107.0ms
(fma a (fma z b t) (fma y z x))

simplify582.0ms

Counts
13 → 13
Iterations

Useful iterations: 3 (31.0ms)

IterNodesCost
026165
143161
289139
3266137
41484137
done5000137

prune61.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (* y z))
0.0b
(+ (+ x (* y z)) (* t a))
0.0b
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
7.8b
(* (* a z) b)

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
20×add-log-exp
10×sum-log
pow1 add-exp-log fma-def add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u
+-commutative flip3-+ associate-*r* pow-prod-down prod-exp cbrt-unprod flip-+
associate-+l+
associate-*l* *-commutative
Counts
4 → 73
Calls
4 calls:
2.0ms
(+ x (* y z))
10.0ms
(+ (+ x (* y z)) (* t a))
45.0ms
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
7.0ms
(* (* a z) b)

series223.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(+ x (* y z))
54.0ms
(+ (+ x (* y z)) (* t a))
102.0ms
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
32.0ms
(* (* a z) b)

simplify670.0ms

Counts
85 → 85
Iterations

Useful iterations: 2 (129.0ms)

IterNodesCost
0123930
1365781
21593697
done5001697

prune535.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

7.8b
(* (* a z) b)
12.3b
(cbrt (* (* a z) b))
12.3b
(cbrt (* (* a z) b))
12.3b
(cbrt (* (* a z) b))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-prod pow1/3 associate-*r* pow-prod-down prod-exp cbrt-unprod
associate-*l* *-commutative
Counts
4 → 53
Calls
4 calls:
6.0ms
(* (* a z) b)
5.0ms
(cbrt (* (* a z) b))
5.0ms
(cbrt (* (* a z) b))
5.0ms
(cbrt (* (* a z) b))

series370.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(* (* a z) b)
114.0ms
(cbrt (* (* a z) b))
116.0ms
(cbrt (* (* a z) b))
109.0ms
(cbrt (* (* a z) b))

simplify1.7s

Counts
65 → 65
Iterations

Useful iterations: 3 (310.0ms)

IterNodesCost
080579
1186559
2681481
32542463
done5000463

prune269.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

7.8b
(* (* a z) b)
12.3b
(cbrt (* (* a z) b))
12.3b
(cbrt (* (* a z) b))
12.3b
(cbrt (* (* (* a z) (* (cbrt b) (cbrt b))) (cbrt b)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-prod pow1/3 associate-*r* pow-prod-down prod-exp cbrt-unprod
associate-*l* *-commutative
Counts
4 → 53
Calls
4 calls:
6.0ms
(* (* a z) b)
5.0ms
(cbrt (* (* a z) b))
5.0ms
(cbrt (* (* a z) b))
45.0ms
(cbrt (* (* (* a z) (* (cbrt b) (cbrt b))) (cbrt b)))

series380.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (* a z) b)
117.0ms
(cbrt (* (* a z) b))
114.0ms
(cbrt (* (* a z) b))
117.0ms
(cbrt (* (* (* a z) (* (cbrt b) (cbrt b))) (cbrt b)))

simplify1.6s

Counts
65 → 65
Iterations

Useful iterations: 3 (322.0ms)

IterNodesCost
093670
1203650
2714558
32645500
done5000500

prune288.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 0.0b

regimes297.0ms

Accuracy

76.8% (0.6b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 2.8b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02271
13262
done3262

end0.0ms

sample843.0ms

Algorithm
intervals
Results
431.0ms11747×body80valid