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Halobox memory improvements #380

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merged 4 commits into from
Apr 22, 2024
Merged

Halobox memory improvements #380

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f511b69
purge un-needed halobox fields
daviesje Apr 11, 2024
4820683
keep log10turnover in haloboxes
daviesje Apr 11, 2024
17c1c94
add force option
daviesje Apr 11, 2024
e1b6e4a
add halobox purge to run_coeval
daviesje Apr 16, 2024
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14 changes: 13 additions & 1 deletion src/py21cmfast/wrapper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3446,6 +3446,7 @@ def run_lightcone(
prev_coeval = None
st2 = None
hbox2 = None
hbox = None

if lightcone_filename and not Path(lightcone_filename).exists():
lightcone.save(lightcone_filename)
Expand All @@ -3471,9 +3472,9 @@ def run_lightcone(
**kw,
)
z_halos.append(z)
hboxes.append(hbox2)

if flag_options.USE_TS_FLUCT:
hboxes.append(hbox2)
xray_source_box = xray_source(
redshift=z,
z_halos=z_halos,
Expand Down Expand Up @@ -3587,7 +3588,18 @@ def run_lightcone(
except OSError:
pass

# we only need the SFR fields at previous redshifts for XraySourceBox
if hbox is not None:
try:
hbox.prepare(
keep=["halo_sfr", "halo_sfr_mini", "log10_Mcrit_LW_ave"],
force=always_purge,
)
except OSError:
pass

pf = pf2
hbox = hbox2

if z <= return_at_z:
# Optionally return when the lightcone is only partially filled
Expand Down
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