Details

Time bar (total: 11.4s)

sample171.0ms

Algorithm
intervals
Results
69.0ms1641×body80nan
16.0ms256×body80valid

simplify65.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0279
1618
21618
33938
49848
522568
640958
750018
done50018

prune9.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize15.0ms

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)))
0.2b
(* (- a 0.5) (log t))
0.5b
(+ (log (+ x y)) (log z))

rewrite326.0ms

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:
64.0ms
(- (+ (log (+ x y)) (log z)) t)
216.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
23.0ms
(* (- a 0.5) (log t))
15.0ms
(+ (log (+ x y)) (log z))

series504.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(- (+ (log (+ x y)) (log z)) t)
205.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
55.0ms
(* (- a 0.5) (log t))
76.0ms
(+ (log (+ x y)) (log z))

simplify74.0ms

Counts
184 → 184
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
07061592
127221253
250011237
done50011237

prune497.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 3 expressions with local error:

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

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
27×*-un-lft-identity
18×distribute-lft-out
16×pow1
13×log-pow
11×fma-def
add-sqr-sqrt add-cube-cbrt log-prod
associate-+l- add-log-exp
associate-+l+
log-div associate-+r+ flip3-+ sum-log flip-+
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
+-commutative fma-udef
Counts
3 → 70
Calls
3 calls:
46.0ms
(+ (+ (log (+ x y)) (log z)) (fma (log t) (- a 0.5) (- t)))
0.0ms
(fma (log t) (- a 0.5) (- t))
12.0ms
(+ (log (+ x y)) (log z))

series311.0ms

Counts
3 → 9
Calls
3 calls:
199.0ms
(+ (+ (log (+ x y)) (log z)) (fma (log t) (- a 0.5) (- t)))
41.0ms
(fma (log t) (- a 0.5) (- t))
71.0ms
(+ (log (+ x y)) (log z))

simplify93.0ms

Counts
79 → 79
Iterations

Useful iterations: 3 (87.0ms)

IterNodesCost
0360565
11054530
24882506
35001505
done5001505

prune278.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(+ (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) (fma (log t) (- a 0.5) (- t)))
0.1b
(fma (log t) (- a 0.5) (- t))
0.3b
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
0.4b
(+ (log (+ x y)) (log (sqrt z)))

rewrite327.0ms

Algorithm
rewrite-expression-head
Rules
79×*-un-lft-identity
74×distribute-lft-out
52×pow1
48×log-pow
24×fma-def
16×log-prod
13×associate-+r+
12×add-sqr-sqrt add-cube-cbrt associate-+l-
10×sum-log add-log-exp
log-div associate-+l+ flip3-+ sqrt-prod flip-+
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
+-commutative
fma-udef
Counts
4 → 126
Calls
4 calls:
247.0ms
(+ (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) (fma (log t) (- a 0.5) (- t)))
0.0ms
(fma (log t) (- a 0.5) (- t))
59.0ms
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
15.0ms
(+ (log (+ x y)) (log (sqrt z)))

series649.0ms

Counts
4 → 12
Calls
4 calls:
293.0ms
(+ (+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z))) (fma (log t) (- a 0.5) (- t)))
39.0ms
(fma (log t) (- a 0.5) (- t))
171.0ms
(+ (+ (log (+ x y)) (log (sqrt z))) (log (sqrt z)))
145.0ms
(+ (log (+ x y)) (log (sqrt z)))

simplify48.0ms

Counts
138 → 138
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
05461143
117421038
250011000
done50011000

prune468.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (+ (fma 2 (log (cbrt (sqrt z))) (log (+ x y))) (log (cbrt (sqrt z)))) (log (sqrt z)))
0.4b
(fma 2 (log (cbrt (sqrt z))) (log (+ x y)))
0.5b
(cbrt (sqrt z))
0.5b
(cbrt (sqrt z))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
25×*-un-lft-identity
12×cbrt-prod distribute-lft-out
11×add-sqr-sqrt add-cube-cbrt
10×pow1
sqrt-prod
associate-+r+ log-prod log-pow add-log-exp
fma-def
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
sum-log
pow1/3
+-commutative associate-+l+ flip3-+ flip-+ fma-udef
Counts
4 → 74
Calls
4 calls:
45.0ms
(+ (+ (fma 2 (log (cbrt (sqrt z))) (log (+ x y))) (log (cbrt (sqrt z)))) (log (sqrt z)))
0.0ms
(fma 2 (log (cbrt (sqrt z))) (log (+ x y)))
1.0ms
(cbrt (sqrt z))
2.0ms
(cbrt (sqrt z))

series821.0ms

Counts
4 → 12
Calls
4 calls:
344.0ms
(+ (+ (fma 2 (log (cbrt (sqrt z))) (log (+ x y))) (log (cbrt (sqrt z)))) (log (sqrt z)))
181.0ms
(fma 2 (log (cbrt (sqrt z))) (log (+ x y)))
149.0ms
(cbrt (sqrt z))
148.0ms
(cbrt (sqrt z))

simplify34.0ms

Counts
86 → 86
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0336791
11061724
25001657
done5001657

prune428.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

regimes578.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02518
12518
done2518

end0.0ms

sample5.5s

Algorithm
intervals
Results
2.4s55886×body80nan
413.0ms8024×body80valid