Details

Time bar (total: 7.5s)

sample56.0ms

Algorithm
intervals
Results
13.0ms256×body80valid
12.0ms256×pre80true

simplify701.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
099
1179
2539
31509
43519
55689
66479
76619
done6619

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 3.6b

localize8.0ms

Local error

Found 2 expressions with local error:

0.4b
(+ b (+ c d))
2.8b
(+ a (+ b (+ c d)))

rewrite92.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
16×add-log-exp
sum-log distribute-lft-out
fma-def
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log +-commutative expm1-log1p-u associate-+r+ flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
Counts
2 → 42
Calls
2 calls:
18.0ms
(+ b (+ c d))
72.0ms
(+ a (+ b (+ c d)))

series86.0ms

Counts
2 → 6
Calls
2 calls:
31.0ms
(+ b (+ c d))
55.0ms
(+ a (+ b (+ c d)))

simplify834.0ms

Counts
48 → 48
Iterations

Useful iterations: 2 (95.0ms)

IterNodesCost
060378
1181347
2863333
done5000333

prune176.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.3b

localize8.0ms

Local error

Found 1 expressions with local error:

2.8b
(+ a (+ (+ b c) d))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
10×add-log-exp
sum-log distribute-lft-out
fma-def
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log +-commutative expm1-log1p-u associate-+r+ flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
Counts
1 → 22
Calls
1 calls:
92.0ms
(+ a (+ (+ b c) d))

series44.0ms

Counts
1 → 3
Calls
1 calls:
44.0ms
(+ a (+ (+ b c) d))

simplify550.0ms

Counts
25 → 25
Iterations

Useful iterations: 2 (71.0ms)

IterNodesCost
041223
1117210
2612196
done5001196

prune116.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.0b

localize9.0ms

Local error

Found 1 expressions with local error:

2.8b
(+ a (+ (+ b c) d))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
10×add-log-exp
sum-log distribute-lft-out
fma-def
add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log +-commutative expm1-log1p-u associate-+r+ flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
Counts
1 → 22
Calls
1 calls:
109.0ms
(+ a (+ (+ b c) d))

series43.0ms

Counts
1 → 3
Calls
1 calls:
43.0ms
(+ a (+ (+ b c) d))

simplify629.0ms

Counts
25 → 25
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
041223
1117210
2612196
done5001196

prune139.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 2.0b

localize27.0ms

Local error

Found 2 expressions with local error:

0.6b
(cbrt (pow (+ a (+ (+ b c) d)) 3))
2.8b
(+ a (+ (+ b c) d))

rewrite248.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
18×cbrt-prod distribute-lft-out
11×add-log-exp
add-sqr-sqrt add-cube-cbrt unpow-prod-down cube-prod sum-log
fma-def
pow1 add-exp-log cube-div expm1-log1p-u cbrt-div flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
+-commutative cube-mult associate-+r+ pow1/3 unpow3 rem-cbrt-cube sqr-pow
Counts
2 → 53
Calls
2 calls:
136.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
110.0ms
(+ a (+ (+ b c) d))

series120.0ms

Counts
2 → 6
Calls
2 calls:
75.0ms
(cbrt (pow (+ a (+ (+ b c) d)) 3))
45.0ms
(+ a (+ (+ b c) d))

simplify1.2s

Counts
59 → 59
Iterations

Useful iterations: 2 (150.0ms)

IterNodesCost
086805
1236614
21319577
done5001577

prune188.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 1.9b

regimes797.0ms

Accuracy

0% (0.8b remaining)

Error of 2.7b against oracle of 1.9b and baseline of 2.7b

bsearch0.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01111
1189
2199
done199

end0.0ms

sample1.2s

Algorithm
intervals
Results
360.0ms8000×pre80true
304.0ms8000×body80valid