Skip to content

Add reduced precision light LUT for 2x2/FSD/ND-LAr #309

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
cuddandr merged 2 commits into from
Jan 13, 2026
Merged

Add reduced precision light LUT for 2x2/FSD/ND-LAr #309

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a408f63
Add reduced precision light LUT for 2x2/FSD/ND-LAr
cuddandr Dec 8, 2025
053a354
Merge branch 'develop' into lut_fp16
cuddandr Jan 13, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 17 additions & 3 deletions larndsim/config/config.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,11 @@ module0:
LIGHT_LUT_ID: [0, 1, 1, 1]
MOD2MOD_VARIATION: True

2x2_lut_fp16:
<<: *2x2modvar
LIGHT_LUT: [/dvs_ro/cfs/cdirs/dune/www/data/2x2/simulation/larndsim_data/light_LUT/lightLUT_Mod0_06052024_time_norm_swapped_y_fp16.npz, /dvs_ro/cfs/cdirs/dune/www/data/2x2/simulation/larndsim_data/light_LUT/lightLUT_Mod123_06052024_time_norm_swapped_y_fp16.npz]
LIGHT_LUT_ID: [0, 1, 1, 1]

# 2x2 (differnt module configuration), single pixel threshold (defined in detector property)
2x2_single_threshold:
<<: *2x2modvar
Expand All @@ -82,14 +87,19 @@ ndlar: &ndlarmain
LIGHT_DET_NOISE: 4Mod_LNoise_Mod1_2fftx192_MR5-ish.npy
LIGHT_SIMULATED: False
MOD2MOD_VARIATION: True


ndlar_mpvmpr:
<<: *ndlarmain
SIM_PROPERTIES: singles_sim_ndlar.yaml

ndlar_light:
<<: *ndlarmain
LIGHT_SIMULATED: True

ndlar_mpvmpr:
ndlar_light_lut_fp16:
<<: *ndlarmain
SIM_PROPERTIES: singles_sim_ndlar.yaml
LIGHT_LUT: /dvs_ro/cfs/cdirs/dune/www/data/2x2/simulation/larndsim_data/light_LUT/lightLUT_FSD_250123_time_norm_fp16.npz
LIGHT_SIMULATED: True

fsd:
SIM_PROPERTIES: cosmic_sim.yaml
Expand All @@ -104,3 +114,7 @@ fsd:
LIGHT_LUT: /dvs_ro/cfs/cdirs/dune/www/data/2x2/simulation/larndsim_data/light_LUT/lightLUT_FSD_250123_time_norm.npz
LIGHT_DET_NOISE: FSD_v01_bin06_larndsim_noise.npy
LIGHT_SIMULATED: True

fsd_lut_fp16:
<<: *fsd
LIGHT_LUT: /dvs_ro/cfs/cdirs/dune/www/data/2x2/simulation/larndsim_data/light_LUT/lightLUT_FSD_250123_time_norm_fp16.npz
3 changes: 2 additions & 1 deletion larndsim/light_sim.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
import numba as nb

from numba import cuda
from numba import float32

import numpy as np
import cupy as cp
Expand Down Expand Up @@ -100,7 +101,7 @@ def sum_light_signals(segments, segment_voxel, segment_track_id, light_inc, op_c
for iprof in range(time_profile.shape[0]):
profile_time = track_time + iprof * units.ns / units.mus # FIXME: assumes light LUT time profile bins are 1ns (might not be true in general)
if profile_time < end_tick_time and profile_time > start_tick_time:
photons = light_inc['n_photons_det'][itrk,op_channel[idet]] * time_profile[iprof] / light.LIGHT_TICK_SIZE
photons = light_inc['n_photons_det'][itrk,op_channel[idet]] * float32(time_profile[iprof]) / light.LIGHT_TICK_SIZE
light_sample_inc[idet,itick] += photons

if photons > sim.MC_TRUTH_THRESHOLD:
Expand Down
Loading