Details

Time bar (total: 29.4s)

sample466.0ms

Algorithm
intervals
Results
187.0ms1852×body80nan
103.0ms256×body80valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (17.0ms)

IterNodesCost
01516
12716
26115
315715
445915
5172515
done500115

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (log (+ x y)) (log z)) t)
0.1b
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
0.1b
(* (- a 0.5) (log t))
0.7b
(+ (log (+ x y)) (log z))

rewrite494.0ms

Algorithm
rewrite-expression-head
Rules
91×*-un-lft-identity
48×pow1
43×add-sqr-sqrt
42×prod-diff log-pow
41×distribute-lft-out
35×add-cube-cbrt
28×associate-+l+
19×log-prod
14×add-log-exp
13×fma-def
11×distribute-lft-out--
associate-+r+
fma-neg
add-exp-log distribute-rgt-in flip3-- distribute-lft-in associate-*l/ sum-log add-cbrt-cube flip--
associate-+l- associate-*l*
expm1-log1p-u log-div flip3-+ diff-log associate-*r* frac-add flip-+ log1p-expm1-u
difference-of-squares
+-commutative associate--l- sub-neg associate--l+
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 172
Calls
4 calls:
137.0ms
(- (+ (log (+ x y)) (log z)) t)
293.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
33.0ms
(* (- a 0.5) (log t))
13.0ms
(+ (log (+ x y)) (log z))

series789.0ms

Counts
4 → 12
Calls
4 calls:
262.0ms
(- (+ (log (+ x y)) (log z)) t)
321.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
92.0ms
(* (- a 0.5) (log t))
114.0ms
(+ (log (+ x y)) (log z))

simplify2.6s

Counts
184 → 184
Iterations

Useful iterations: done (2.6s)

IterNodesCost
02702956
17382538
231462220
done50012163

prune904.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (log z) t)
0.1b
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
0.2b
(fma (- a 0.5) (log t) (- (log z) t))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×add-sqr-sqrt
14×add-cube-cbrt
12×prod-diff
10×pow1
log-prod log-pow
add-log-exp
associate-+l+ fma-def fma-neg
add-exp-log expm1-log1p-u associate--l+ add-cbrt-cube log1p-expm1-u distribute-lft-out
associate-+l- log-div flip3-+ flip-+ fma-udef distribute-lft-out--
+-commutative sub-neg associate-+r+ flip3-- diff-log sum-log flip-- difference-of-squares
Counts
3 → 72
Calls
3 calls:
18.0ms
(- (log z) t)
14.0ms
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
0.0ms
(fma (- a 0.5) (log t) (- (log z) t))

series431.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(- (log z) t)
257.0ms
(+ (log (+ x y)) (fma (- a 0.5) (log t) (- (log z) t)))
86.0ms
(fma (- a 0.5) (log t) (- (log z) t))

simplify820.0ms

Counts
81 → 81
Iterations

Useful iterations: done (817.0ms)

IterNodesCost
01701198
14101038
21237924
done5001891

prune399.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t)) (* (log (sqrt t)) (- a 0.5)))
0.1b
(* (log (sqrt t)) (- a 0.5))
0.2b
(fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t))
0.7b
(+ (log (+ x y)) (log z))

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
38×add-sqr-sqrt
36×prod-diff
34×add-cube-cbrt
25×associate-+r+
22×distribute-rgt-in distribute-lft-in
13×pow1
log-pow
log-prod fma-def
add-exp-log associate-*l* add-cbrt-cube add-log-exp
associate-+l+ associate-*r* distribute-lft-out
expm1-log1p-u sub-neg log1p-expm1-u
flip3-+ flip-+
+-commutative associate-+l- log-div associate-*r/ sum-log fma-udef
flip3-- sqrt-pow1 pow1/2 pow-prod-down prod-exp *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 128
Calls
4 calls:
21.0ms
(+ (fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t)) (* (log (sqrt t)) (- a 0.5)))
64.0ms
(* (log (sqrt t)) (- a 0.5))
1.0ms
(fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t))
27.0ms
(+ (log (+ x y)) (log z))

series694.0ms

Counts
4 → 12
Calls
4 calls:
285.0ms
(+ (fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t)) (* (log (sqrt t)) (- a 0.5)))
87.0ms
(* (log (sqrt t)) (- a 0.5))
229.0ms
(fma (- a 0.5) (log (sqrt t)) (- (+ (log (+ x y)) (log z)) t))
92.0ms
(+ (log (+ x y)) (log z))

simplify1.7s

Counts
140 → 140
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02752777
16952464
230072184
done50012176

prune785.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize26.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
0.6b
(cbrt t)
0.6b
(cbrt t)
0.7b
(+ (log (+ x y)) (log z))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
39×*-un-lft-identity
36×prod-diff
33×add-sqr-sqrt add-cube-cbrt
26×associate-+l+
25×associate-+r+
22×distribute-rgt-in distribute-lft-in
pow1
associate-*r/
log-prod
cbrt-prod add-log-exp
fma-def log-pow distribute-lft-out
add-exp-log expm1-log1p-u sub-neg flip3-- frac-add add-cbrt-cube flip-- log1p-expm1-u
flip3-+ flip-+
+-commutative associate-+l- log-div pow1/3 sum-log
distribute-rgt-out
Counts
4 → 119
Calls
4 calls:
61.0ms
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
1.0ms
(cbrt t)
1.0ms
(cbrt t)
33.0ms
(+ (log (+ x y)) (log z))

series1.0s

Counts
4 → 12
Calls
4 calls:
380.0ms
(+ (* (* 2 (log (cbrt t))) (- a 0.5)) (* (log (cbrt t)) (- a 0.5)))
261.0ms
(cbrt t)
279.0ms
(cbrt t)
119.0ms
(+ (log (+ x y)) (log z))

simplify1.8s

Counts
131 → 131
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02552135
17091805
232821364
done50021339

prune669.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes500.0ms

Accuracy

0% (0.2b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 0.3b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01415
11615
done1615

end0.0ms

sample12.2s

Algorithm
intervals
Results
6.8s55974×body80nan
1.3s8043×body80valid