Re: Re: [Chicken-users] performance issue in xml-rpc

[Daishi Kato]

So, it looks like the top two time-consuming procedures are
read-request and SSAX:XML->SXML.
The third is probably http:read-request-attributes.

Any comments?
Maybe, I would need to look into the chicken source code.

On 12/11/06, Daishi Kato <address@hidden> wrote:
> Alright, I was able to enable profiling for eggs by editing *.setup.
> Running 10000 requests gave me the following result:
>
> procedure                                  calls   seconds   average  percent
> -------------------------------------------------------------------------------
> dispatch-request                           10001   112.828     0.011 100.0000
> read-request                               10001    55.634     0.005  49.3082
> handle-request                             10000    40.381     0.004  35.7895
> get/post-handler                           10000    39.284     0.003  34.8181
> SSAX:XML->SXML                             10000    26.256     0.002  23.2706
> scan-for-significant-prolog-token-1        20000    26.175     0.001  23.1988
> element-parser                             10000    23.971     0.002  21.2454
> read-line-perhaps                          10001    19.013     0.001  16.8511
> SSAX:read-char-data                       260000    13.856     0.329  12.2805
> SSAX:read-markup-token                    280000    11.773     0.205  10.4352
> SSAX:read-QName                           270000     7.265     0.690   6.4389
> SSAX:read-NCName                          280000     6.615     0.362   5.8628
> http:read-request-attributes               10000     6.547     0.000   5.8025
> SSAX:complete-start-tag                   140000     5.562     0.972   4.9295
> next-token-of                             280000     4.684     0.672   4.1514
> g61                                        10000     4.521     0.000   4.0069
> write-result-response                      10000     3.448     0.000   3.0559
> write-response                             10000     2.830     0.000   2.5082
> SSAX:skip-S                               440000     2.269     0.156   2.0110
> SSAX:read-attributes                      140000     1.886     0.347   1.6715
> assert-curr-char                          560000     1.341     0.394   1.1885
> SSAX:scan-Misc                             20000     1.314     0.57e   1.1645
> skip-while                                490000     1.262     0.575   1.1185
> SSAX:assert-token                         130000     1.210     0.307   1.0724
> http:write-response-header                 10000     1.188     0.000   1.0529
> next-token                                 50000     1.174     0.348   1.0405
> def-code254                                10000     1.153     0.000   1.0219
> def-msg255                                 10000     1.109     0.000   0.9829
> def-alist256                               10000     1.071     0.000   0.9492
> def-port257                                10000     1.034     0.000   0.9173
> xml-token-kind                            690000     1.026     0.486   0.9093