Details

Time bar (total: 10.7s)

analyze1.7s (15.9%)

Algorithm
search
Search
TrueOtherFalseIter
0%49.9%50.1%0
0%49.9%50.1%1
0%49.9%50.1%2
0%49.9%50.1%3
0%49.9%50.1%4
0%49.9%50.1%5
0%49.9%50.1%6
0%49.9%50.1%7
0%49.9%50.1%8
0.4%49.5%50.1%9
0.4%49.3%50.3%10
0.6%48.9%50.5%11
1.1%48.1%50.9%12
1.5%47.3%51.2%13
1.7%46.9%51.5%14

sample218.0ms (2%)

Algorithm
intervals
Results
87.0ms77×body2560valid
65.0ms103×body1280valid
16.0ms44×body640valid
13.0ms26×body1280overflowed
7.0ms317×pre80true
5.0ms16×body640overflowed
4.0msbody2560overflowed
3.0ms10×body320valid
2.0ms19×body80valid
1.0msbody320overflowed
1.0msbody160valid
1.0msbody160overflowed
0.0msbody80overflowed

simplify42.0ms (0.4%)

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (40.0ms)

IterNodesCost
0485524
1485524

prune14.0ms (0.1%)

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 58.7b

Counts
2 → 2

localize17.0ms (0.2%)

Local error

Found 4 expressions with local error:

1.0b
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
2.0b
(- (exp (* b eps)) 1.0)
2.8b
(- (exp (* a eps)) 1.0)
4.0b
(- (exp (* (+ a b) eps)) 1.0)

rewrite24.0ms (0.2%)

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
16×*-un-lft-identity
10×add-log-exp
flip3-- flip--
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg associate-*r* associate-*l* distribute-lft-out-- difference-of-squares
frac-times
diff-log
associate-*r/ associate-*l/
distribute-rgt-in distribute-lft-in pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 71
Calls

4 calls:

10.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
5.0ms
(- (exp (* (+ a b) eps)) 1.0)
4.0ms
(- (exp (* b eps)) 1.0)
4.0ms
(- (exp (* a eps)) 1.0)

series43.0ms (0.4%)

Counts
4 → 12
Calls

4 calls:

14.0ms
(- (exp (* (+ a b) eps)) 1.0)
12.0ms
(* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0))
9.0ms
(- (exp (* a eps)) 1.0)
7.0ms
(- (exp (* b eps)) 1.0)

simplify34.0ms (0.3%)

Algorithm
egg-herbie
Counts
83 → 83
Iterations

Useful iterations: 0 (26.0ms)

IterNodesCost
048871142
148871142

prune163.0ms (1.5%)

Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New79483
Fresh011
Picked011
Done000
Total79685

Merged error: 47.5b

Counts
85 → 6

localize26.0ms (0.2%)

Local error

Found 4 expressions with local error:

3.5b
(* b (* 1/6 (pow eps 3)))
4.0b
(- (exp (* (+ a b) eps)) 1.0)
4.5b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* b eps) (* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2)))))))
12.6b
(* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2))))

rewrite39.0ms (0.4%)

Algorithm
rewrite-expression-head
Rules
31×add-exp-log
26×add-cbrt-cube
14×prod-exp
11×pow1
10×cbrt-unprod
add-sqr-sqrt
*-un-lft-identity associate-/r/
add-cube-cbrt associate-*r/ add-log-exp
flip3-- flip--
cbrt-undiv frac-times flip3-+ div-exp associate-*r* associate-*l* pow-prod-down flip-+
associate-*l/ *-commutative associate-/l/
distribute-rgt-in pow-to-exp sub-neg frac-2neg distribute-lft-in times-frac diff-log pow-exp clear-num associate-/r* div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 86
Calls

4 calls:

14.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* b eps) (* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2)))))))
11.0ms
(* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2))))
6.0ms
(* b (* 1/6 (pow eps 3)))
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series690.0ms (6.4%)

Counts
4 → 12
Calls

4 calls:

641.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (+ (* b eps) (* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2)))))))
25.0ms
(* (* b b) (+ (* b (* 1/6 (pow eps 3))) (* eps (* eps 1/2))))
14.0ms
(- (exp (* (+ a b) eps)) 1.0)
10.0ms
(* b (* 1/6 (pow eps 3)))

simplify69.0ms (0.6%)

Algorithm
egg-herbie
Counts
98 → 98
Iterations

Useful iterations: 0 (55.0ms)

IterNodesCost
049722426
149722426

prune263.0ms (2.5%)

Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New97198
Fresh314
Picked101
Done011
Total1013104

Merged error: 0.0b

Counts
104 → 3

localize5.0ms (0%)

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))

rewrite13.0ms (0.1%)

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
distribute-lft-out
times-frac
div-inv
add-sqr-sqrt add-cube-cbrt add-log-exp
pow1 add-exp-log +-commutative flip3-+ frac-add sum-log add-cbrt-cube flip-+
Counts
1 → 19
Calls

1 calls:

12.0ms
(+ (/ 1 b) (/ 1 a))

series3.0ms (0%)

Counts
1 → 3
Calls

1 calls:

3.0ms
(+ (/ 1 b) (/ 1 a))

simplify69.0ms (0.6%)

Algorithm
egg-herbie
Counts
22 → 22
Iterations

Useful iterations: 0 (65.0ms)

IterNodesCost
04881196
14881196

prune43.0ms (0.4%)

Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New20222
Fresh011
Picked011
Done011
Total20525

Merged error: 0.0b

Counts
25 → 5

localize9.0ms (0.1%)

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.5b
(cbrt (+ (/ 1 b) (/ 1 a)))
0.6b
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))

rewrite81.0ms (0.8%)

Algorithm
rewrite-expression-head
Rules
139×*-un-lft-identity
114×cbrt-prod
81×distribute-lft-out
60×div-inv
42×times-frac
37×add-sqr-sqrt
33×cbrt-div swap-sqr
29×add-cube-cbrt
13×associate-*r* associate-*l*
11×pow1 flip3-+ frac-add flip-+
frac-times pow1/3
add-exp-log
add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ associate-*l/
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 159
Calls

4 calls:

35.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
13.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
13.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
12.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

series93.0ms (0.9%)

Counts
4 → 12
Calls

4 calls:

30.0ms
(* (cbrt (+ (/ 1 b) (/ 1 a))) (cbrt (+ (/ 1 b) (/ 1 a))))
21.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
21.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))
20.0ms
(cbrt (+ (/ 1 b) (/ 1 a)))

simplify81.0ms (0.8%)

Algorithm
egg-herbie
Counts
171 → 171
Iterations

Useful iterations: 0 (62.0ms)

IterNodesCost
061842287

prune456.0ms (4.2%)

Pruning

6 alts after pruning (3 fresh and 3 done)

PrunedKeptTotal
New1692171
Fresh112
Picked011
Done022
Total1706176

Merged error: 0.0b

Counts
176 → 6

regimes264.0ms (2.5%)

Accuracy

Total 0.2b remaining (58.5%)

Threshold costs 0.2b (58.5%)

bsearch1.0ms (0%)

simplify2.0ms (0%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
05186
15186

end0.0ms (0%)

sample6.3s (58.4%)

Algorithm
intervals
Results
2.8s2597×body2560valid
1.9s3401×body1280valid
345.0ms1042×body640valid
277.0ms650×body1280overflowed
207.0ms9712×pre80true
109.0ms166×body2560overflowed
104.0ms362×body640overflowed
80.0ms351×body320valid
45.0ms208×body320overflowed
36.0ms482×body80valid
21.0ms127×body160valid
17.0ms240×body80overflowed
11.0ms84×body160overflowed
2.0msbody2560invalid

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