Details

Time bar (total: 11.2s)

sample214.0ms

Algorithm
intervals
Results
75.0ms80×body2560valid
57.0ms117×body1280valid
48.0ms53×body10240exit
9.0ms34×body640valid
5.0ms309×pre80true
2.0msbody320valid
1.0ms13×body80valid
0.0msbody160valid

simplify92.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04013
110113
224513
369713
4346313
5500113

prune4.0ms

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: 60.7b

Counts
2 → 1

localize19.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.4b
(- (exp (* b eps)) 1.0)
2.6b
(- (exp (* a eps)) 1.0)
4.1b
(- (exp (* (+ a b) eps)) 1.0)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
flip3-- flip--
sub-neg
frac-times
distribute-rgt-in distribute-lft-in associate-*r/ associate-*l/
*-commutative
Counts
4 → 25
Calls
4 calls:
7.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
3.0ms
(- (exp (* b eps)) 1.0)
3.0ms
(- (exp (* a eps)) 1.0)
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series167.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
32.0ms
(- (exp (* b eps)) 1.0)
40.0ms
(- (exp (* a eps)) 1.0)
46.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify114.0ms

Algorithm
egg-herbie
Counts
37 → 37
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0239337
1918330
24182325
35001325

prune146.0ms

Filtered
37 candidates to 25 candidates (67.6%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New33437
Fresh000
Picked101
Done000
Total34438

Merged error: 48.5b

Counts
38 → 4

localize31.0ms

Local error

Found 4 expressions with local error:

3.9b
(* (+ (* 1/6 (* (pow a 3) (pow eps 3))) (+ (* 1/2 (* (pow a 2) (pow eps 2))) (* a eps))) (- (exp (* b eps)) 1.0))
4.1b
(- (exp (* (+ a b) eps)) 1.0)
12.5b
(* (pow a 2) (pow eps 2))
13.7b
(* (pow a 3) (pow eps 3))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
10×sqr-pow
unpow2
unswap-sqr
frac-times pow-to-exp flip3-- associate-*r* associate-*l* flip--
sub-neg flip3-+ *-commutative flip-+
distribute-rgt-in distribute-lft-in unpow3 associate-*r/ pow-prod-down associate-*l/ prod-exp
Counts
4 → 36
Calls
4 calls:
17.0ms
(* (+ (* 1/6 (* (pow a 3) (pow eps 3))) (+ (* 1/2 (* (pow a 2) (pow eps 2))) (* a eps))) (- (exp (* b eps)) 1.0))
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
4.0ms
(* (pow a 2) (pow eps 2))
5.0ms
(* (pow a 3) (pow eps 3))

series274.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(* (+ (* 1/6 (* (pow a 3) (pow eps 3))) (+ (* 1/2 (* (pow a 2) (pow eps 2))) (* a eps))) (- (exp (* b eps)) 1.0))
46.0ms
(- (exp (* (+ a b) eps)) 1.0)
33.0ms
(* (pow a 2) (pow eps 2))
68.0ms
(* (pow a 3) (pow eps 3))

simplify48.0ms

Algorithm
egg-herbie
Counts
48 → 48
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0338552
11453549
25001538

prune241.0ms

Filtered
48 candidates to 32 candidates (66.7%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New47148
Fresh033
Picked011
Done000
Total47552

Merged error: 48.5b

Counts
52 → 5

localize28.0ms

Local error

Found 4 expressions with local error:

3.9b
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
4.1b
(- (exp (* (+ a b) eps)) 1.0)
14.8b
(* (pow eps 2) (pow b 2))
16.4b
(* (pow eps 3) (pow b 3))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
10×sqr-pow
unpow2
unswap-sqr
+-commutative distribute-rgt-in frac-times pow-to-exp associate-+r+ flip3-- distribute-lft-in associate-*r* associate-*l* flip--
flip3-+ *-commutative flip-+
unpow3 associate-*r/ pow-prod-down associate-*l/ prod-exp
sub-neg
Counts
4 → 40
Calls
4 calls:
23.0ms
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
5.0ms
(* (pow eps 2) (pow b 2))
5.0ms
(* (pow eps 3) (pow b 3))

series372.0ms

Counts
4 → 12
Calls
4 calls:
224.0ms
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (* (pow eps 3) (pow b 3))) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
46.0ms
(- (exp (* (+ a b) eps)) 1.0)
38.0ms
(* (pow eps 2) (pow b 2))
64.0ms
(* (pow eps 3) (pow b 3))

simplify58.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 1 (10.0ms)

IterNodesCost
0393604
11762601
25001601

prune256.0ms

Filtered
52 candidates to 35 candidates (67.3%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New51152
Fresh033
Picked101
Done011
Total52557

Merged error: 47.8b

Counts
57 → 5

localize25.0ms

Local error

Found 4 expressions with local error:

3.1b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
3.9b
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
4.1b
(- (exp (* (+ a b) eps)) 1.0)
14.8b
(* (pow eps 2) (pow b 2))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
frac-times flip3-- associate-/r/ *-commutative flip--
flip3-+ associate-*r/ flip-+ unpow2 sqr-pow
+-commutative distribute-rgt-in associate-+r+ distribute-lft-in times-frac associate-*l/ unswap-sqr
pow-to-exp associate-*r* associate-*l* associate-/r* associate-/l/ associate-/l*
sub-neg frac-2neg pow-prod-down prod-exp clear-num div-inv
Counts
4 → 53
Calls
4 calls:
21.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
19.0ms
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
4.0ms
(- (exp (* (+ a b) eps)) 1.0)
5.0ms
(* (pow eps 2) (pow b 2))

series1.6s

Counts
4 → 12
Calls
4 calls:
1.3s
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b)))))
215.0ms
(* (- (exp (* a eps)) 1.0) (+ (* 1/6 (pow (* b eps) 3)) (+ (* 1/2 (* (pow eps 2) (pow b 2))) (* eps b))))
50.0ms
(- (exp (* (+ a b) eps)) 1.0)
32.0ms
(* (pow eps 2) (pow b 2))

simplify80.0ms

Algorithm
egg-herbie
Counts
65 → 65
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
05801167
127631159
250011159

prune335.0ms

Filtered
65 candidates to 50 candidates (76.9%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New63265
Fresh123
Picked101
Done101
Total66470

Merged error: 0.0b

Counts
70 → 4

regimes86.0ms

Accuracy

0% (3.3b remaining)

Error of 3.4b against oracle of 0.1b and baseline of 3.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
093
193

end0.0ms

sample6.8s

Algorithm
intervals
Results
2.5s2583×body2560valid
1.8s2000×body10240exit
1.7s3434×body1280valid
298.0ms1050×body640valid
169.0ms10001×pre80true
63.0ms342×body320valid
24.0ms458×body80valid
19.0ms134×body160valid