Details

Time bar (total: 41.2s)

sample360.0ms

Algorithm
intervals
Results
191.0ms1923×body80nan
22.0ms256×body80valid

simplify10.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01516
12716
26115
315515
435615
585815
6159815
7219415
8261815
9263015
done263015

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize42.0ms

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))
0.6b
(+ (log (+ x y)) (log z))

rewrite486.0ms

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:
104.0ms
(- (+ (log (+ x y)) (log z)) t)
305.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
40.0ms
(* (- a 0.5) (log t))
29.0ms
(+ (log (+ x y)) (log z))

series846.0ms

Counts
4 → 12
Calls
4 calls:
242.0ms
(- (+ (log (+ x y)) (log z)) t)
387.0ms
(+ (- (+ (log (+ x y)) (log z)) t) (* (- a 0.5) (log t)))
92.0ms
(* (- a 0.5) (log t))
125.0ms
(+ (log (+ x y)) (log z))

simplify2.3s

Counts
184 → 184
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02702956
17042524
223992215
done50002161

prune920.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.3b
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
0.5b
(fma 2 (log (cbrt z)) (log (+ x y)))
0.6b
(cbrt z)
0.6b
(cbrt z)

rewrite22.0ms

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:
16.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
1.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
2.0ms
(cbrt z)
2.0ms
(cbrt z)

series1.1s

Counts
4 → 12
Calls
4 calls:
259.0ms
(+ (fma 2 (log (cbrt z)) (log (+ x y))) (log (cbrt z)))
210.0ms
(fma 2 (log (cbrt z)) (log (+ x y)))
303.0ms
(cbrt z)
287.0ms
(cbrt z)

simplify3.1s

Counts
73 → 73
Iterations

Useful iterations: done (3.1s)

IterNodesCost
099750
1205706
2525648
31954517
done5002495

prune551.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

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

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
31×log-prod
29×add-sqr-sqrt associate-+r+
25×add-cube-cbrt
17×pow1
12×distribute-rgt-in distribute-lft-in prod-diff sqrt-prod log-pow
add-log-exp
fma-def distribute-lft-out
add-exp-log associate-*r* add-cbrt-cube
associate-+l+ associate-*l* distribute-lft-out--
expm1-log1p-u log1p-expm1-u
flip3-+ associate--l+ sum-log flip-+
+-commutative associate-+l- log-div associate-*l/ fma-udef
associate-+r- sub-neg flip3-- sqrt-pow1 pow1/2 diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod difference-of-squares unswap-sqr
Counts
4 → 126
Calls
4 calls:
10.0ms
(+ (fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t))) (* (- a 0.5) (log (sqrt t))))
26.0ms
(* (- a 0.5) (log (sqrt t)))
0.0ms
(fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t)))
40.0ms
(+ (log (+ x y)) (- (log z) t))

series822.0ms

Counts
4 → 12
Calls
4 calls:
331.0ms
(+ (fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t))) (* (- a 0.5) (log (sqrt t))))
95.0ms
(* (- a 0.5) (log (sqrt t)))
153.0ms
(fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t)))
243.0ms
(+ (log (+ x y)) (- (log z) t))

simplify1.4s

Counts
138 → 138
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02652284
16132129
218191916
done50001847

prune813.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize48.0ms

Local error

Found 4 expressions with local error:

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

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
45×*-un-lft-identity
36×add-sqr-sqrt
30×add-cube-cbrt prod-diff
20×pow1
17×associate-+r+
14×log-pow
11×distribute-rgt-in distribute-lft-in
10×sqrt-prod
sqrt-pow1 associate-*l*
log-prod distribute-lft-out
add-exp-log add-cbrt-cube add-log-exp
associate-*r* distribute-lft-out--
expm1-log1p-u associate-+l+ fma-def pow1/2 log1p-expm1-u
sub-neg associate--l+
associate-+l- rem-sqrt-square log-div flip3-+ associate-*r/ sum-log flip-+
+-commutative associate-+r- flip3-- diff-log pow-prod-down prod-exp *-commutative flip-- cbrt-unprod fma-udef difference-of-squares unswap-sqr
Counts
4 → 130
Calls
4 calls:
5.0ms
(sqrt (sqrt t))
58.0ms
(* (log (sqrt (sqrt t))) (- a 0.5))
1.0ms
(fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t)))
54.0ms
(+ (log (+ x y)) (- (log z) t))

series881.0ms

Counts
4 → 12
Calls
4 calls:
219.0ms
(sqrt (sqrt t))
206.0ms
(* (log (sqrt (sqrt t))) (- a 0.5))
216.0ms
(fma (log (sqrt t)) (- a 0.5) (+ (log (+ x y)) (- (log z) t)))
239.0ms
(+ (log (+ x y)) (- (log z) t))

simplify1.3s

Counts
142 → 142
Iterations

Useful iterations: done (1.3s)

IterNodesCost
03042046
16601783
216361551
done50001496

prune932.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

regimes833.0ms

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 (0.0ms)

IterNodesCost
01822
12222
done2222

end0.0ms

sample14.0s

Algorithm
intervals
Results
8.1s57140×body80nan
1.4s8030×body80valid