Details

Time bar (total: 9.3s)

sample111.0ms

Algorithm
intervals
Results
38.0ms802×body80nan
9.0ms185×body80valid
9.0ms29×body640valid
6.0ms10×body1280valid
3.0ms18×body320valid
2.0ms16×body160valid

simplify68.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0279
1578
21368
33128
47098
516298
635648
750018
done50018

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y)))) t)
0.0b
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y))))
0.1b
(* (- x 1.0) (log y))
5.1b
(log (- 1.0 y))

rewrite158.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
30×*-un-lft-identity
27×log-prod
20×add-cube-cbrt
11×distribute-rgt-in distribute-lft-in add-log-exp
10×associate-+r+ associate-*l/
prod-diff
pow1
add-exp-log flip3-- flip--
associate-+l+ add-cbrt-cube
associate-*l* distribute-lft-out-- difference-of-squares
expm1-log1p-u associate-*r* frac-add log1p-expm1-u
fma-neg
log-div diff-log sum-log log-pow
+-commutative sub-neg fma-def flip3-+ rem-log-exp pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 113
Calls
4 calls:
94.0ms
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y)))) t)
27.0ms
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y))))
25.0ms
(* (- x 1.0) (log y))
6.0ms
(log (- 1.0 y))

series405.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y)))) t)
131.0ms
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (log (- 1.0 y))))
61.0ms
(* (- x 1.0) (log y))
45.0ms
(log (- 1.0 y))

simplify75.0ms

Counts
125 → 125
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
07411209
128811050
250011042
done50011042

prune406.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
0.0b
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
0.0b
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
0.1b
(* (- x 1.0) (log y))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
107×add-sqr-sqrt
80×times-frac
72×associate-*r*
71×*-un-lft-identity
67×add-cube-cbrt
56×unpow-prod-down
34×associate-+r+
33×prod-diff
29×add-exp-log
24×unpow2 sqr-pow
23×distribute-rgt-in distribute-lft-in
22×flip3-- associate-*l/ flip--
18×log-prod unswap-sqr
16×frac-add
15×pow1
11×prod-exp add-cbrt-cube add-log-exp
div-exp
frac-times associate-*l*
associate--l+ log-pow
pow-to-exp associate-+l+ pow-exp
associate-*r/
expm1-log1p-u log1p-expm1-u
sub-neg fma-neg cbrt-unprod
diff-log pow-prod-down sum-log *-commutative distribute-lft-out-- difference-of-squares
cbrt-undiv +-commutative fma-def flip3-+ flip-+ div-inv
Counts
4 → 243
Calls
4 calls:
41.0ms
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
99.0ms
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
37.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
25.0ms
(* (- x 1.0) (log y))

series533.0ms

Counts
4 → 12
Calls
4 calls:
159.0ms
(+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))))
260.0ms
(- (+ (* (- x 1.0) (log y)) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))) t)
51.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
62.0ms
(* (- x 1.0) (log y))

simplify62.0ms

Counts
255 → 255
Iterations

Useful iterations: 1 (32.0ms)

IterNodesCost
015313425
150012940
done50012940

prune1.0s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt y) (cbrt y))
0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 81
Calls
4 calls:
11.0ms
(* (cbrt y) (cbrt y))
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)

series735.0ms

Counts
4 → 12
Calls
4 calls:
203.0ms
(* (cbrt y) (cbrt y))
176.0ms
(cbrt y)
181.0ms
(cbrt y)
176.0ms
(cbrt y)

simplify91.0ms

Counts
93 → 93
Iterations

Useful iterations: 3 (86.0ms)

IterNodesCost
0119308
1477281
22972258
35001255
done5001255

prune520.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- x 1.0) (log (pow y 2/3)))
0.2b
(+ (* (- x 1.0) (log (pow y 2/3))) (fma (log (cbrt y)) (- x 1.0) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
0.6b
(cbrt y)
6.0b
(pow y 2/3)

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
28×log-prod
21×add-sqr-sqrt
19×*-un-lft-identity
17×add-cube-cbrt
15×unpow-prod-down
14×distribute-rgt-in associate-+l+ distribute-lft-in
pow1 add-exp-log
add-cbrt-cube add-log-exp
associate-*l* sqr-pow
expm1-log1p-u associate-*r* log1p-expm1-u
cbrt-prod pow-unpow
associate-*l/
+-commutative pow-to-exp associate-+r+ flip3-- pow-pow fma-def flip3-+ pow1/3 pow-prod-down pow-exp prod-exp sum-log log-pow *-commutative flip-- cbrt-unprod flip-+ fma-udef distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 100
Calls
4 calls:
25.0ms
(* (- x 1.0) (log (pow y 2/3)))
21.0ms
(+ (* (- x 1.0) (log (pow y 2/3))) (fma (log (cbrt y)) (- x 1.0) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
1.0ms
(cbrt y)
3.0ms
(pow y 2/3)

series705.0ms

Counts
4 → 12
Calls
4 calls:
114.0ms
(* (- x 1.0) (log (pow y 2/3)))
231.0ms
(+ (* (- x 1.0) (log (pow y 2/3))) (fma (log (cbrt y)) (- x 1.0) (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))))
183.0ms
(cbrt y)
175.0ms
(pow y 2/3)

simplify59.0ms

Counts
112 → 112
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
04871083
119681003
25001966
done5001966

prune587.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes283.0ms

Accuracy

0% (0.1b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02815
12815
done2815

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.1s24165×body80nan
310.0ms5908×body80valid
227.0ms771×body640valid
153.0ms257×body1280valid
119.0ms663×body320valid
50.0ms435×body160valid