Details

Time bar (total: 6.8s)

sample93.0ms

Algorithm
intervals
Results
28.0ms47×body1280valid
18.0ms46×body640valid
9.0ms121×body80valid
6.0ms25×body320valid
4.0msbody2560valid
3.0ms74×body80nan
3.0ms52×body80overflowed
2.0ms11×body640nan
2.0ms16×body160valid
1.0msbody320nan
1.0msbody1280nan
0.0msbody160nan

simplify204.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0207
1337
2497
3717
4937
51807
62327
74117
87107
910927
1012407
1115587
1241917
1350017

prune3.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 23.0b

Counts
2 → 1

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (exp z))
0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
2.3b
(+ (- 1.0 y) (* y (exp z)))
3.6b
(log (+ (- 1.0 y) (* y (exp z))))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×add-cube-cbrt *-un-lft-identity
12×times-frac
11×pow1
add-log-exp
add-exp-log add-cbrt-cube
log-pow
log-div associate-/l*
log-prod flip3-+ associate-*r* associate-*l* associate-/r* flip-+
associate-+l+ div-sub sum-log
cbrt-undiv +-commutative associate-+l- sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 80
Calls
4 calls:
9.0ms
(* y (exp z))
15.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
12.0ms
(+ (- 1.0 y) (* y (exp z)))
10.0ms
(log (+ (- 1.0 y) (* y (exp z))))

series285.0ms

Counts
4 → 12
Calls
4 calls:
21.0ms
(* y (exp z))
153.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
34.0ms
(+ (- 1.0 y) (* y (exp z)))
76.0ms
(log (+ (- 1.0 y) (* y (exp z))))

simplify55.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0452795
11740733
25001726

prune234.0ms

Filtered
92 candidates to 68 candidates (73.9%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New86692
Fresh000
Picked101
Done000
Total87693

Merged error: 5.4b

Counts
93 → 6

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (exp z) 1) y)
0.0b
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
2.9b
(log (+ 1.0 (* (- (exp z) 1) y)))
5.6b
(- (exp z) 1)

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
22×*-un-lft-identity
16×add-cube-cbrt
12×times-frac
11×pow1
add-exp-log
add-cbrt-cube
associate-*l*
add-log-exp
log-pow
log-div associate-/l* difference-of-squares
log-prod associate-*r* associate-/r*
flip3-- flip3-+ difference-of-sqr-1 div-sub associate-*l/ flip-- flip-+ distribute-lft-out--
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp pow-prod-down prod-exp clear-num *-commutative cbrt-unprod div-inv unswap-sqr
Counts
4 → 87
Calls
4 calls:
7.0ms
(* (- (exp z) 1) y)
5.0ms
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
2.0ms
(log (+ 1.0 (* (- (exp z) 1) y)))
4.0ms
(- (exp z) 1)

series225.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(* (- (exp z) 1) y)
112.0ms
(/ (log (+ 1.0 (* (- (exp z) 1) y))) t)
57.0ms
(log (+ 1.0 (* (- (exp z) 1) y)))
13.0ms
(- (exp z) 1)

simplify50.0ms

Algorithm
egg-herbie
Counts
99 → 99
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0446792
11780735
25001726

prune214.0ms

Filtered
99 candidates to 69 candidates (69.7%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New97299
Fresh145
Picked101
Done000
Total996105

Merged error: 5.4b

Counts
105 → 6

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 0.5 (pow z 2))
0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
4.7b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
6.2b
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
13×add-exp-log
11×associate-*r*
10×add-cbrt-cube
times-frac
pow1 associate-*l* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
associate-*r/ *-commutative cbrt-unprod associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp frac-2neg distribute-lft-in div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 89
Calls
4 calls:
5.0ms
(* 0.5 (pow z 2))
5.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
10.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
6.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

series299.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(* 0.5 (pow z 2))
70.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
86.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
119.0ms
(/ (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))) t)

simplify61.0ms

Algorithm
egg-herbie
Counts
101 → 101
Iterations

Useful iterations: 2 (51.0ms)

IterNodesCost
0415800
11832721
25001715

prune296.0ms

Filtered
101 candidates to 70 candidates (69.3%)
Pruning

14 alts after pruning (13 fresh and 1 done)

PrunedKeptTotal
New929101
Fresh145
Picked011
Done000
Total9314107

Merged error: 5.4b

Counts
107 → 14

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.5 (pow z 2)) (* 1.0 z))
0.3b
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
4.7b
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
6.0b
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
60×add-sqr-sqrt
58×add-cube-cbrt *-un-lft-identity
19×add-exp-log
18×associate-/r*
13×add-cbrt-cube
11×associate-/r/
div-exp
pow1 flip3-+ flip-+
div-inv associate-/l* add-log-exp
cbrt-undiv
associate-*r* associate-*l*
rec-exp frac-2neg 1-exp associate-*r/ clear-num
+-commutative distribute-rgt-in pow-flip distribute-lft-in pow-prod-down prod-exp sum-log *-commutative cbrt-unprod inv-pow unswap-sqr
Counts
4 → 146
Calls
4 calls:
5.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
7.0ms
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
7.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
5.0ms
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

series751.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(+ (* 0.5 (pow z 2)) (* 1.0 z))
160.0ms
(/ 1 (/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z))))))
87.0ms
(* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))
435.0ms
(/ t (+ (log 1.0) (* y (+ (* 0.5 (pow z 2)) (* 1.0 z)))))

simplify91.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 2 (70.0ms)

IterNodesCost
06492208
132692018
250011932

prune328.0ms

Filtered
158 candidates to 92 candidates (58.2%)
Pruning

14 alts after pruning (12 fresh and 2 done)

PrunedKeptTotal
New1571158
Fresh11112
Picked011
Done011
Total15814172

Merged error: 5.4b

Counts
172 → 14

regimes639.0ms

Accuracy

73% (4.4b remaining)

Error of 8.7b against oracle of 4.4b and baseline of 20.5b

bsearch87.0ms

Steps
ItersRangePoint
9
-88935.59155308959
-0.0014803844373699059
-0.0017514687397435016

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03624
13624

end0.0ms

sample2.7s

Algorithm
intervals
Results
831.0ms1432×body1280valid
556.0ms1648×body640valid
244.0ms3448×body80valid
204.0ms936×body320valid
116.0ms2521×body80nan
111.0ms83×body2560valid
91.0ms1498×body80overflowed
66.0ms267×body640nan
65.0ms482×body160valid
40.0ms116×body1280nan
30.0ms181×body320nan
11.0ms105×body160nan