Details

Time bar (total: 10.0m)

sample576.0ms

Algorithm
intervals
Results
223.0ms136×body10240exit
131.0ms98×body1280valid
89.0ms86×body640valid
40.0ms132×body80overflowed
29.0ms40×body320valid
11.0ms21×body160valid
5.0ms14×body80valid
4.0ms11×body80nan

simplify71.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
013348
145548
2279747
3500147

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 61.0b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (+ (+ (- z 1.0) 7.0) 0.5))
1.0b
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
1.0b
(sqrt (* PI 2.0))
5.9b
(+ (- z 1.0) 1.0)

rewrite489.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
22×add-sqr-sqrt
19×add-log-exp
15×add-cube-cbrt
12×distribute-lft-out
11×associate-+l+ associate-*r*
add-exp-log prod-diff
pow1 unpow-prod-down sum-log
exp-prod add-cbrt-cube
fma-def
expm1-log1p-u associate-+l- associate-*l* log1p-expm1-u rem-exp-log distribute-lft-out--
prod-exp unswap-sqr
sqrt-pow1 diff-log sqrt-prod sqr-pow
unpow-prod-up +-commutative pow-to-exp sub-neg flip3-+ pow1/2 exp-diff associate-*r/ exp-sum pow-prod-down pow-exp *-commutative cbrt-unprod flip-+ pow-sub difference-of-squares
Counts
4 → 100
Calls
4 calls:
152.0ms
(exp (+ (+ (- z 1.0) 7.0) 0.5))
316.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
2.0ms
(sqrt (* PI 2.0))
16.0ms
(+ (- z 1.0) 1.0)

series290.0ms

Counts
4 → 10
Calls
4 calls:
11.0ms
(exp (+ (+ (- z 1.0) 7.0) 0.5))
267.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
0.0ms
(sqrt (* PI 2.0))
12.0ms
(+ (- z 1.0) 1.0)

simplify66.0ms

Algorithm
egg-herbie
Counts
110 → 110
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
0569751
12330628
25001607

prune886.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 1.1b

localize44.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 z)) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0))))
1.0b
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
1.0b
(/ (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 z)) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0)))) (exp (+ (+ (- z 1.0) 7.0) 0.5)))
1.0b
(sqrt (* PI 2.0))

rewrite10.0m

Algorithm
rewrite-expression-head
Calls
3 calls:
486.0ms
(* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5)))
9.7m
(/ (* (* (sqrt (* PI 2.0)) (pow (+ (+ (- z 1.0) 7.0) 0.5) (+ (- z 1.0) 0.5))) (+ (+ (+ (+ (+ (+ (+ (+ 0.9999999999998099 (/ 676.5203681218851 z)) (/ -1259.1392167224028 (+ (- z 1.0) 2.0))) (/ 771.3234287776531 (+ (- z 1.0) 3.0))) (/ -176.6150291621406 (+ (- z 1.0) 4.0))) (/ 12.507343278686905 (+ (- z 1.0) 5.0))) (/ -0.13857109526572012 (+ (- z 1.0) 6.0))) (/ 9.984369578019572e-06 (+ (- z 1.0) 7.0))) (/ 1.5056327351493116e-07 (+ (- z 1.0) 8.0)))) (exp (+ (+ (- z 1.0) 7.0) 0.5)))
2.0ms
(sqrt (* PI 2.0))