Details

Time bar (total: 8.6s)

sample127.0ms

Algorithm
intervals
Results
50.0ms800×body80nan
12.0ms170×body80valid
10.0ms13×body1280valid
8.0ms23×body640valid
8.0ms34×body320valid
2.0ms17×body160valid

simplify72.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
0279
1578
21368
33128
47098
516298
635648
750018

prune7.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 7.6b

Counts
2 → 1

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- z 1.0) (log (- 1.0 y)))
0.1b
(fma (log y) (- x 1.0) (- (* (- z 1.0) (log (- 1.0 y))) t))
6.3b
(log (- 1.0 y))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
15×log-prod
add-cube-cbrt
pow1
add-exp-log
distribute-rgt-in distribute-lft-in associate-*l* add-cbrt-cube
associate-*r* distribute-lft-out-- difference-of-squares
expm1-log1p-u log1p-expm1-u add-log-exp
log-div flip3-- associate-*l/ log-pow flip--
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod fma-udef unswap-sqr
Counts
3 → 63
Calls
3 calls:
10.0ms
(* (- z 1.0) (log (- 1.0 y)))
1.0ms
(fma (log y) (- x 1.0) (- (* (- z 1.0) (log (- 1.0 y))) t))
4.0ms
(log (- 1.0 y))

series301.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(* (- z 1.0) (log (- 1.0 y)))
211.0ms
(fma (log y) (- x 1.0) (- (* (- z 1.0) (log (- 1.0 y))) t))
49.0ms
(log (- 1.0 y))

simplify37.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0364521
11204461
25001449

prune224.0ms

Filtered
72 candidates to 55 candidates (76.4%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New67572
Fresh000
Picked101
Done000
Total68573

Merged error: 0.2b

Counts
73 → 5

localize20.0ms

Local error

Found 4 expressions with local error:

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

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
113×add-sqr-sqrt
80×times-frac
78×*-un-lft-identity
74×associate-*r*
73×add-cube-cbrt
56×unpow-prod-down
51×prod-diff
46×associate--l+
34×distribute-rgt-in distribute-lft-in
29×add-exp-log
24×unpow2 sqr-pow
21×pow1
18×unswap-sqr
13×log-pow
12×log-prod
11×prod-exp add-cbrt-cube
div-exp
associate-*l*
flip3-- flip--
pow-to-exp pow-exp add-log-exp
sub-neg
expm1-log1p-u frac-times log1p-expm1-u
associate-*r/ cbrt-unprod distribute-lft-out--
pow-prod-down associate-*l/ *-commutative difference-of-squares
cbrt-undiv fma-neg diff-log fma-udef div-inv
Counts
4 → 241
Calls
4 calls:
16.0ms
(- (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t)
23.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
13.0ms
(* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
1.0ms
(fma (log y) (- x 1.0) (- (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t))

series500.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(- (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t)
54.0ms
(* 1/2 (/ (pow y 2) (pow 1.0 2)))
64.0ms
(* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2))))))
228.0ms
(fma (log y) (- x 1.0) (- (* (- z 1.0) (- (log 1.0) (+ (* 1.0 y) (* 1/2 (/ (pow y 2) (pow 1.0 2)))))) t))

simplify133.0ms

Algorithm
egg-herbie
Counts
253 → 253
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
010533734
146722536
250012536

prune839.0ms

Filtered
253 candidates to 157 candidates (62.1%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New2494253
Fresh224
Picked011
Done000
Total2517258

Merged error: 0.2b

Counts
258 → 7

localize22.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (- z 1.0)) (cbrt (- z 1.0)))
0.3b
(cbrt (- z 1.0))
0.3b
(cbrt (- z 1.0))
0.3b
(cbrt (- z 1.0))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
43×cbrt-prod
37×add-sqr-sqrt
35×*-un-lft-identity
18×cbrt-div
15×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 flip-- distribute-lft-out--
associate-*r* associate-*l*
difference-of-squares
add-exp-log
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 109
Calls
4 calls:
10.0ms
(* (cbrt (- z 1.0)) (cbrt (- z 1.0)))
3.0ms
(cbrt (- z 1.0))
3.0ms
(cbrt (- z 1.0))
3.0ms
(cbrt (- z 1.0))

series443.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(* (cbrt (- z 1.0)) (cbrt (- z 1.0)))
102.0ms
(cbrt (- z 1.0))
109.0ms
(cbrt (- z 1.0))
112.0ms
(cbrt (- z 1.0))

simplify44.0ms

Algorithm
egg-herbie
Counts
121 → 121
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0384861
11303823
25002757

prune597.0ms

Filtered
121 candidates to 89 candidates (73.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New1201121
Fresh055
Picked101
Done011
Total1217128

Merged error: 0.2b

Counts
128 → 7

localize27.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (- z 1.0))
0.3b
(cbrt (- z 1.0))
0.3b
(cbrt (- z 1.0))
2.9b
(expm1 (log1p (* (cbrt (- z 1.0)) (cbrt (- z 1.0)))))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
expm1-log1p expm1-udef
Counts
4 → 62
Calls
4 calls:
3.0ms
(cbrt (- z 1.0))
7.0ms
(cbrt (- z 1.0))
3.0ms
(cbrt (- z 1.0))
1.0ms
(expm1 (log1p (* (cbrt (- z 1.0)) (cbrt (- z 1.0)))))

series612.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(cbrt (- z 1.0))
97.0ms
(cbrt (- z 1.0))
104.0ms
(cbrt (- z 1.0))
313.0ms
(expm1 (log1p (* (cbrt (- z 1.0)) (cbrt (- z 1.0)))))

simplify115.0ms

Algorithm
egg-herbie
Counts
74 → 74
Iterations

Useful iterations: 3 (107.0ms)

IterNodesCost
0374547
11243494
24473462
35001461

prune523.0ms

Filtered
74 candidates to 67 candidates (90.5%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New73174
Fresh055
Picked101
Done011
Total74781

Merged error: 0.2b

Counts
81 → 7

regimes260.0ms

Accuracy

0% (0.2b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02514
12514

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.5s24235×body80nan
400.0ms5788×body80valid
285.0ms768×body640valid
210.0ms307×body1280valid
165.0ms719×body320valid
67.0ms458×body160valid