refactor(renderer): lazy loading of templates

[xcoulon]

Fixes #1061

Signed-off-by: Xavier Coulon [email protected]

[codecov]

Codecov Report

Merging #1062 (d42ce47) into master (745e403) will increase coverage by 0.70%.
The diff coverage is 83.22%.

@@            Coverage Diff             @@
##           master    #1062      +/-   ##
==========================================
+ Coverage   80.61%   81.32%   +0.70%     
==========================================
  Files          85       85              
  Lines        7167     7454     +287     
==========================================
+ Hits         5778     6062     +284     
- Misses        871      876       +5     
+ Partials      518      516       -2     

[github-actions]

Comparing with master branch:

name                                          old time/op    new time/op    delta
RealDocumentProcessing/demo.adoc-2              27.1ms ± 1%    26.6ms ± 1%  -1.66%  (p=0.001 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    69.8ms ± 3%    68.1ms ± 1%  -2.52%  (p=0.000 n=10+10)
RealDocumentProcessing/mocking.adoc-2           73.9ms ± 1%    73.8ms ± 1%    ~     (p=0.297 n=9+9)

name                                          old alloc/op   new alloc/op   delta
RealDocumentProcessing/demo.adoc-2              10.8MB ± 0%    10.8MB ± 0%    ~     (p=0.258 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    27.2MB ± 0%    27.2MB ± 0%    ~     (p=1.000 n=10+10)
RealDocumentProcessing/mocking.adoc-2           25.0MB ± 0%    25.0MB ± 0%    ~     (p=0.222 n=9+9)

name                                          old allocs/op  new allocs/op  delta
RealDocumentProcessing/demo.adoc-2                126k ± 0%      126k ± 0%    ~     (p=0.248 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2      341k ± 0%      341k ± 0%    ~     (p=0.725 n=10+10)
RealDocumentProcessing/mocking.adoc-2             374k ± 0%      374k ± 0%    ~     (p=0.262 n=9+9)

Comparing with latest release:

name                                          old time/op    new time/op    delta
RealDocumentProcessing/demo.adoc-2              17.5ms ± 1%    26.6ms ± 1%  +51.94%  (p=0.000 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    50.8ms ± 1%    68.1ms ± 1%  +34.01%  (p=0.000 n=9+10)
RealDocumentProcessing/mocking.adoc-2           50.6ms ± 1%    73.8ms ± 1%  +45.70%  (p=0.000 n=9+9)

name                                          old alloc/op   new alloc/op   delta
RealDocumentProcessing/demo.adoc-2              8.85MB ± 0%   10.80MB ± 0%  +22.07%  (p=0.000 n=10+9)
RealDocumentProcessing/vertx-examples.adoc-2    24.0MB ± 0%    27.2MB ± 0%  +13.31%  (p=0.000 n=9+10)
RealDocumentProcessing/mocking.adoc-2           21.6MB ± 0%    25.0MB ± 0%  +15.64%  (p=0.000 n=10+9)

name                                          old allocs/op  new allocs/op  delta
RealDocumentProcessing/demo.adoc-2                106k ± 0%      126k ± 0%  +18.79%  (p=0.000 n=10+9)
RealDocumentProcessing/vertx-examples.adoc-2      305k ± 0%      341k ± 0%  +11.73%  (p=0.000 n=10+10)
RealDocumentProcessing/mocking.adoc-2             326k ± 0%      374k ± 0%  +14.47%  (p=0.000 n=9+9)