Details

Time bar (total: 10.4s)

sample225.0ms

Algorithm
intervals
Results
84.0ms116×body1280valid
83.0ms63×body2560valid
15.0ms32×body640valid
8.0ms59×body80overflowed
8.0ms315×pre80true
7.0ms20×body320valid
3.0ms20×body80valid
1.0msbody160valid

simplify95.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04013
110113
224513
369713
4346313
5500113

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.7b

localize16.0ms

Local error

Found 4 expressions with local error:

0.7b
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
5.2b
(- (exp (* b eps)) 1.0)
5.6b
(- (exp (* a eps)) 1.0)
9.0b
(- (exp (* (+ a b) eps)) 1.0)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log add-cbrt-cube
10×add-sqr-sqrt flip3-- *-un-lft-identity flip-- add-log-exp
associate-/r/
pow1 cbrt-undiv frac-times add-cube-cbrt associate-*r/ div-exp prod-exp cbrt-unprod
sub-neg diff-log distribute-lft-out-- difference-of-squares
associate-*l/ associate-/l/
frac-2neg times-frac clear-num associate-/r* div-inv associate-/l*
Counts
4 → 73
Calls
4 calls:
19.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
4.0ms
(- (exp (* b eps)) 1.0)
4.0ms
(- (exp (* a eps)) 1.0)
4.0ms
(- (exp (* (+ a b) eps)) 1.0)

series305.0ms

Counts
4 → 12
Calls
4 calls:
192.0ms
(/ (* eps (- (exp (* (+ a b) eps)) 1.0)) (* (- (exp (* a eps)) 1.0) (- (exp (* b eps)) 1.0)))
36.0ms
(- (exp (* b eps)) 1.0)
32.0ms
(- (exp (* a eps)) 1.0)
45.0ms
(- (exp (* (+ a b) eps)) 1.0)

simplify57.0ms

Algorithm
egg-herbie
Counts
85 → 85
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
0488957
12299794
25001789

prune322.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize5.0ms

Local error

Found 1 expressions with local error:

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

rewrite17.0ms

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:
16.0ms
(+ (/ 1 b) (/ 1 a))

series10.0ms

Counts
1 → 3
Calls
1 calls:
10.0ms
(+ (/ 1 b) (/ 1 a))

simplify70.0ms

Algorithm
egg-herbie
Counts
22 → 22
Iterations

Useful iterations: 3 (27.0ms)

IterNodesCost
0101104
134594
2115391
3277590
4500190

prune48.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))
0.1b
(sqrt (+ (/ 1 b) (/ 1 a)))
0.1b
(sqrt (+ (/ 1 b) (/ 1 a)))
0.3b
(* (sqrt (+ (/ 1 b) (/ 1 a))) (sqrt (+ (/ 1 b) (/ 1 a))))

rewrite202.0ms

Algorithm
rewrite-expression-head
Rules
138×*-un-lft-identity
106×sqrt-prod
81×distribute-lft-out
60×div-inv
42×add-sqr-sqrt times-frac
35×swap-sqr
30×sqrt-div
28×add-cube-cbrt
21×pow1
13×associate-*r* associate-*l*
11×flip3-+ frac-add flip-+
10×sqrt-pow1 pow1/2
frac-times
add-exp-log add-cbrt-cube add-log-exp
pow-prod-up
unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr
rem-sqrt-square
+-commutative pow2 pow-plus sqrt-unprod prod-exp sum-log rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 170
Calls
4 calls:
17.0ms
(+ (/ 1 b) (/ 1 a))
27.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
28.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
121.0ms
(* (sqrt (+ (/ 1 b) (/ 1 a))) (sqrt (+ (/ 1 b) (/ 1 a))))

series169.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(+ (/ 1 b) (/ 1 a))
68.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
68.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
22.0ms
(* (sqrt (+ (/ 1 b) (/ 1 a))) (sqrt (+ (/ 1 b) (/ 1 a))))

simplify64.0ms

Algorithm
egg-herbie
Counts
182 → 182
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
03211208
115201045
250011029

prune258.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (+ (/ 1 b) (/ 1 a)))
0.1b
(sqrt (+ (/ 1 b) (/ 1 a)))
0.3b
(* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))))
0.3b
(* (* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a))))) (sqrt (+ (/ 1 b) (/ 1 a))))

rewrite424.0ms

Algorithm
rewrite-expression-head
Rules
294×sqrt-div
234×sqrt-prod
144×*-un-lft-identity
91×sqrt-pow1
90×frac-times
81×distribute-lft-out
73×pow1
70×add-sqr-sqrt
60×div-inv
58×flip3-+ frac-add flip-+
51×pow1/2
44×swap-sqr
43×pow-prod-up
42×times-frac
34×add-cube-cbrt
30×associate-*l/
29×associate-*r*
18×associate-*r/
17×associate-*l*
13×pow-sqr
12×pow-prod-down
11×add-exp-log add-cbrt-cube unswap-sqr
pow-plus
prod-exp cbrt-unprod add-log-exp
sqrt-unprod
rem-sqrt-square *-commutative
pow2 rem-square-sqrt
Counts
4 → 299
Calls
4 calls:
29.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
27.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
132.0ms
(* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))))
214.0ms
(* (* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a))))) (sqrt (+ (/ 1 b) (/ 1 a))))

series224.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
67.0ms
(sqrt (+ (/ 1 b) (/ 1 a)))
69.0ms
(* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))))
21.0ms
(* (* (sqrt (sqrt (+ (/ 1 b) (/ 1 a)))) (sqrt (sqrt (+ (/ 1 b) (/ 1 a))))) (sqrt (+ (/ 1 b) (/ 1 a))))

simplify119.0ms

Algorithm
egg-herbie
Counts
311 → 311
Iterations

Useful iterations: 2 (82.0ms)

IterNodesCost
07923765
132553120
250023098

prune536.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes95.0ms

Accuracy

0% (3.4b remaining)

Error of 3.5b against oracle of 0.1b and baseline of 3.5b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
093
193

end0.0ms

sample7.1s

Algorithm
intervals
Results
3.1s2469×body2560valid
2.5s3487×body1280valid
495.0ms1063×body640valid
268.0ms2013×body80overflowed
256.0ms10014×pre80true
127.0ms376×body320valid
61.0ms466×body80valid
34.0ms140×body160valid