vCHEP2021 proceedings

Status of the code on 2021-06-28 when submitting the vCHEP2021 proceedings (https://arxiv.org/abs/2106.12631)

cpu-mulithreaded

Implement multi-threading (#82). Uses OpenMP as suggested by @hageboeck.

hw-abstraction-base-v0: Merge pull request #31 from roiser/stefan-infra2

Stefan infra2

hipsycl_cpu_0.1

Initial commit of threaded CPU using hipSYCL

madgraph-codegen-2

ignore profile files

madgraph-codegen-1

remove dead code