Issues

Updated workplan (May 2023) towards a first alpha release
#671 · valassi opened on May 26, 2023
3
MG5aMC status
#867 · oliviermattelaer opened on Jun 21, 2024
8

Hardcoded precision with overwrite in make_ops
madgraph5/madgraph4gpu#1076 · opened on Jan 26, 2026
1
CUDACPP is installed even if MadGraph version is not officially supported
madgraph5/madgraph4gpu#1044 · opened on Sep 30, 2025
5
Failure to reduce color indices in model SMEFTsim_topU3l_MwScheme_UFO
madgraph5/madgraph4gpu#1043 · opened on Sep 17, 2025
4
Precision flag not passed from run_card properly (overwritten by cudacpp_config)
madgraph5/madgraph4gpu#1029 · opened on Apr 24, 2025
1
Port clang-format config to clang-format-18 and upgrade the github CI to ubuntu-22.04
madgraph5/madgraph4gpu#1023 · opened on Oct 12, 2024
Question for Olivier: does run.sh support more than one CPU core? Can it? Should it?
madgraph5/madgraph4gpu#1001 · opened on Sep 16, 2024
4
Time profiles for DY+4j (and DY+3j) have high 'python/bash' component - especially for cuda
madgraph5/madgraph4gpu#1000 · opened on Sep 16, 2024
Cuda time profiles for DY+4j have very high 'HEL' component for helicity filtering?
madgraph5/madgraph4gpu#999 · opened on Sep 16, 2024
Cuda time profiles for DY+3j have high non-ME component
madgraph5/madgraph4gpu#994 · opened on Sep 11, 2024
2
LHE file mismatch fortran vs cudacpp in tlau (for multi backend builds, possibly for normal builds too) - also: "fail to reach target"
madgraph5/madgraph4gpu#993 · opened on Sep 11, 2024
1
Support for multi-GPU nodes (3: orchestrate different madevent executables to target different GPUs)
madgraph5/madgraph4gpu#990 · opened on Sep 2, 2024
Support for multi-GPU nodes (2: send MEs to more than one GPU from the same madevent executable?)
madgraph5/madgraph4gpu#989 · opened on Sep 2, 2024
(low priority) improve passcuts interface?
madgraph5/madgraph4gpu#987 · opened on Sep 2, 2024
script and generate script does not work with bash3.2
madgraph5/madgraph4gpu#982 · opened on Aug 30, 2024
2
Use channelid in cudacpp (and fortran) helicity filtering?
madgraph5/madgraph4gpu#975 · opened on Aug 21, 2024
Instrument Fortran code with additional profiling counters
madgraph5/madgraph4gpu#973 · opened on Aug 20, 2024
Faster timers based on rdtsc instead of chrono
madgraph5/madgraph4gpu#972 · opened on Aug 19, 2024
4
Trivial improvements for xbin_min and xbin_max may lead to speedups in sample_get_x
madgraph5/madgraph4gpu#969 · opened on Aug 15, 2024
3
Performance slowdown in sample_get_x from the checks for warnings at the end
madgraph5/madgraph4gpu#968 · opened on Aug 15, 2024
Remove htuple.f from generated code
madgraph5/madgraph4gpu#967 · opened on Aug 15, 2024
4
Vectorise running coupling scale updates (port update_scale_coupling_vec to cudacpp with SIMD/GPU)?? Maybe not
madgraph5/madgraph4gpu#964 · opened on Aug 13, 2024
Vectorise phase space sampling (port x_to_f_arg to cudacpp with SIMD and GPU support - starting with sample_get_x?)
madgraph5/madgraph4gpu#963 · opened on Aug 12, 2024
7
change name of variable warp/wrap ...
madgraph5/madgraph4gpu#961 · opened on Aug 9, 2024
1
DY+3 jets cross section decreases by a factor 10 when changing vector size from 16384 to 32?
madgraph5/madgraph4gpu#959 · opened on Aug 8, 2024
9
instrument python code in gridpacks to provide timing profiles for event generation
madgraph5/madgraph4gpu#957 · opened on Aug 7, 2024