Details

Time bar (total: 13.7s)

sample74.0ms

Algorithm
intervals
Results
29.0ms390×body80valid

simplify182.0ms

Counts
1 → 1
Iterations

Useful iterations: 4 (94.0ms)

IterNodesCost
013286
126286
265211
3133196
4184171
5195171
done195171

prune18.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize38.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
0.0b
(+ (+ x (* y z)) (* t a))
3.7b
(* (* a z) b)

rewrite159.0ms

Algorithm
rewrite-expression-head
Rules
17×add-log-exp
sum-log
pow1 add-cbrt-cube add-exp-log
add-sqr-sqrt fma-def *-un-lft-identity add-cube-cbrt
expm1-log1p-u associate-*r* pow-prod-down prod-exp cbrt-unprod log1p-expm1-u
+-commutative associate-+l+ flip3-+ flip-+
associate-*l* *-commutative
Counts
3 → 57
Calls
3 calls:
108.0ms
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
24.0ms
(+ (+ x (* y z)) (* t a))
25.0ms
(* (* a z) b)

series195.0ms

Counts
3 → 9
Calls
3 calls:
97.0ms
(+ (+ (+ x (* y z)) (* t a)) (* (* a z) b))
69.0ms
(+ (+ x (* y z)) (* t a))
29.0ms
(* (* a z) b)

simplify2.3s

Counts
66 → 66
Iterations

Useful iterations: done (2.3s)

IterNodesCost
010515056
130112423
2132411173
done500210593

prune456.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 1 expressions with local error:

4.0b
(fma a (fma z b t) (fma y z x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt 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))

series144.0ms

Counts
1 → 3
Calls
1 calls:
144.0ms
(fma a (fma z b t) (fma y z x))

simplify2.7s

Counts
13 → 13
Iterations

Useful iterations: 3 (93.0ms)

IterNodesCost
0262789
1432689
2842659
32432609
412252609
done50042609

prune111.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma a (fma z b t) (fma y z x)))
4.0b
(fma a (fma z b t) (fma y z x))
4.0b
(fma a (fma z b t) (fma y z x))
4.0b
(fma a (fma z b t) (fma y z x))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma a (fma z b t) (fma y z x)))
1.0ms
(fma a (fma z b t) (fma y z x))
1.0ms
(fma a (fma z b t) (fma y z x))
1.0ms
(fma a (fma z b t) (fma y z x))

series851.0ms

Counts
4 → 12
Calls
4 calls:
462.0ms
(cbrt (fma a (fma z b t) (fma y z x)))
110.0ms
(fma a (fma z b t) (fma y z x))
134.0ms
(fma a (fma z b t) (fma y z x))
145.0ms
(fma a (fma z b t) (fma y z x))

simplify3.3s

Counts
55 → 55
Iterations

Useful iterations: 4 (1.7s)

IterNodesCost
06414274
112613762
229813592
399013173
4438913107
done500013107

prune510.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0.0b

regimes564.0ms

Accuracy

77.3% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.9b

bsearch141.0ms

Steps
ItersRangePoint
7
8.165038816949382e-111
1.8932865463817238e-109
1.49585825072064e-109
7
-5.6508662423229994e+97
-1.001714562831305e+96
-1.0137661793993247e+96

simplify11.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
022713
132713
done32713

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.1s11687×body80valid