Details

Time bar (total: 11.3s)

sample193.0ms

Algorithm
intervals
Results
83.0ms1887×body80nan
14.0ms256×body80valid

simplify65.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0279
1618
21618
33938
49848
522568
640958
750018
done50018

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (+ (log (+ x y)) (log z)) t)
0.2b
(fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t))
0.6b
(+ (log (+ x y)) (log z))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
28×pow1
25×log-pow distribute-lft-out
21×prod-diff
19×add-sqr-sqrt
17×add-cube-cbrt
log-prod fma-neg
add-log-exp
distribute-lft-out--
associate-+l- log-div associate-+l+ fma-def
add-exp-log expm1-log1p-u associate-+r+ flip3-+ add-cbrt-cube flip-+ log1p-expm1-u
associate--l- diff-log sum-log
+-commutative sub-neg flip3-- associate--l+ flip-- fma-udef difference-of-squares
Counts
3 → 92
Calls
3 calls:
65.0ms
(- (+ (log (+ x y)) (log z)) t)
0.0ms
(fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t))
13.0ms
(+ (log (+ x y)) (log z))

series353.0ms

Counts
3 → 9
Calls
3 calls:
171.0ms
(- (+ (log (+ x y)) (log z)) t)
104.0ms
(fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t))
77.0ms
(+ (log (+ x y)) (log z))

simplify41.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0388866
11209661
25001650
done5001650

prune290.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.4b
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
0.4b
(fma 2 (log (cbrt z)) (log (+ x y)))
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
cbrt-prod add-sqr-sqrt add-cube-cbrt
associate-+r+ log-prod
pow1 add-log-exp
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-def
pow1/3 fma-udef distribute-lft-out
+-commutative associate-+l+ flip3-+ sum-log log-pow flip-+
Counts
4 → 61
Calls
4 calls:
8.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
0.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
1.0ms
(cbrt z)
1.0ms
(cbrt z)

series706.0ms

Counts
4 → 12
Calls
4 calls:
190.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
148.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
183.0ms
(cbrt z)
184.0ms
(cbrt z)

simplify66.0ms

Counts
73 → 73
Iterations

Useful iterations: 3 (61.0ms)

IterNodesCost
0203445
1573409
22204368
35002358
done5002358

prune375.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (log z) (log z))
0.5b
(* (log (+ x y)) (log (+ x y)))
0.5b
(- (log (+ x y)) (log z))
0.7b
(- (* (log (+ x y)) (log (+ x y))) (* (log z) (log z)))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
43×pow1
37×add-sqr-sqrt
35×log-prod
31×add-cube-cbrt
25×log-pow
17×prod-diff
14×distribute-rgt-in distribute-lft-in
12×swap-sqr associate--l+
associate--r+
add-exp-log associate-*r* associate-*l* add-cbrt-cube
add-log-exp
fma-neg distribute-lft-out
expm1-log1p-u log1p-expm1-u distribute-lft-out--
associate--l- pow2 sub-neg log-div flip3-- pow-plus diff-log pow-prod-down prod-exp pow-sqr *-commutative pow-prod-up flip-- cbrt-unprod difference-of-squares unswap-sqr
flip3-+ flip-+
Counts
4 → 157
Calls
4 calls:
9.0ms
(* (log z) (log z))
16.0ms
(* (log (+ x y)) (log (+ x y)))
14.0ms
(- (log (+ x y)) (log z))
19.0ms
(- (* (log (+ x y)) (log (+ x y))) (* (log z) (log z)))

series582.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(* (log z) (log z))
177.0ms
(* (log (+ x y)) (log (+ x y)))
80.0ms
(- (log (+ x y)) (log z))
168.0ms
(- (* (log (+ x y)) (log (+ x y))) (* (log z) (log z)))

simplify59.0ms

Counts
169 → 169
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
04461242
116601012
25002875
done5002875

prune523.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t)))
0.6b
(+ (log (+ x y)) (log z))
0.6b
(+ (log (+ x y)) (log z))
0.6b
(+ (log (+ x y)) (log z))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
21×log-prod
19×pow1
15×log-pow distribute-lft-out
14×add-sqr-sqrt add-cube-cbrt
12×associate-+l+ fma-def
associate-+r+
associate-+l- log-div flip3-+ flip-+
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
+-commutative cbrt-prod sum-log
pow1/3
Counts
4 → 103
Calls
4 calls:
1.0ms
(cbrt (fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t)))
12.0ms
(+ (log (+ x y)) (log z))
16.0ms
(+ (log (+ x y)) (log z))
13.0ms
(+ (log (+ x y)) (log z))

series951.0ms

Counts
4 → 12
Calls
4 calls:
725.0ms
(cbrt (fma (log t) (- a 0.5) (- (+ (log (+ x y)) (log z)) t)))
77.0ms
(+ (log (+ x y)) (log z))
71.0ms
(+ (log (+ x y)) (log z))
78.0ms
(+ (log (+ x y)) (log z))

simplify56.0ms

Counts
115 → 115
Iterations

Useful iterations: 2 (47.0ms)

IterNodesCost
0601974
12133892
25001877
done5001877

prune535.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.1b

regimes554.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 0.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01912
11912
done1912

end0.0ms

sample5.6s

Algorithm
intervals
Results
2.5s56901×body80nan
426.0ms8033×body80valid