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Reduce TTFX latency for common IMASdd operations by PrecompileTools #81

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Reduce TTFX latency for common IMASdd operations by PrecompileTools #81

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2982449
refactor: extract and enhance precompile workload
mgyoo86 Oct 27, 2025
173808c
Merge branch 'master' into precompile_workload
jmcclena Apr 16, 2026
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3 changes: 2 additions & 1 deletion src/IMASdd.jl
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
module IMASdd

import PrecompileTools
import OrderedCollections
import CoordinateConventions
import ThreadSafeDicts
Expand Down Expand Up @@ -40,6 +39,8 @@ include("math.jl")

include("diagnostics.jl")

include("precompile_workload.jl")

# call dd here to cache precompiled data structure
PrecompileTools.@compile_workload begin
dd()
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23 changes: 23 additions & 0 deletions src/precompile_workload.jl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
using PrecompileTools: @compile_workload

@compile_workload begin
# call dd here to cache precompiled data structure
empty_dd = IMASdd.dd()

# File I/O
dd_h5 = IMASdd.hdf2imas(joinpath(pkgdir(IMASdd), "sample", "omas_sample_with_attrs.h5"))
dd_json = IMASdd.json2imas(joinpath(pkgdir(IMASdd), "sample", "omas_sample.json"))
mktempdir() do tmpdir
IMASdd.imas2hdf(dd_h5, joinpath(tmpdir, "imas_sample_copy.h5"))
IMASdd.imas2json(dd_h5, joinpath(tmpdir, "imas_sample_copy.json"))
end

# Equality
dd_h5 == dd_json

# Deep copy
dd_copy = deepcopy(dd_h5)

# Compile REPL display methods (output to devnull to avoid clutter)
show(devnull, MIME"text/plain"(), dd_h5; maxdepth=99)
end
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