Merge pull request #9 from LuxDL/ap/nopkgid

Use `__is_functional` & `__is_loaded` instead of PkgIDs

Author: avik-pal

Project.toml

@@ -1,7 +1,7 @@
 name = "LuxDeviceUtils"
 uuid = "34f89e08-e1d5-43b4-8944-0b49ac560553"
 authors = ["Avik Pal <[email protected]> and contributors"]
-version = "0.1.4"
+version = "0.1.5"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
@@ -12,7 +12,6 @@ PackageExtensionCompat = "65ce6f38-6b18-4e1d-a461-8949797d7930"
 Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
-TruncatedStacktraces = "781d530d-4396-4725-bb49-402e4bee1e77"
 
 [weakdeps]
 FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
@@ -39,7 +38,6 @@ LuxCore = "0.1.4"
 Metal = "0.4, 0.5"
 PackageExtensionCompat = "1"
 Preferences = "1"
-TruncatedStacktraces = "1"
 Zygote = "0.6"
 julia = "1.6"
 

ext/LuxDeviceUtilsLuxAMDGPUExt.jl

@@ -6,6 +6,9 @@ import ChainRulesCore as CRC
 
 __init__() = reset_gpu_device!()
 
+LuxDeviceUtils.__is_loaded(::LuxAMDGPUDevice) = true
+LuxDeviceUtils.__is_functional(::LuxAMDGPUDevice) = LuxAMDGPU.functional()
+
 # Device Transfer
 ## To GPU
 adapt_storage(::LuxAMDGPUAdaptor, x) = roc(x)

ext/LuxDeviceUtilsLuxCUDAExt.jl

@@ -6,6 +6,9 @@ import ChainRulesCore as CRC
 
 __init__() = reset_gpu_device!()
 
+LuxDeviceUtils.__is_loaded(::LuxCUDADevice) = true
+LuxDeviceUtils.__is_functional(::LuxCUDADevice) = LuxCUDA.functional()
+
 # Device Transfer
 ## To GPU
 adapt_storage(::LuxCUDAAdaptor, x) = cu(x)

ext/LuxDeviceUtilsMetalExt.jl

@@ -6,6 +6,9 @@ import ChainRulesCore as CRC
 
 __init__() = reset_gpu_device!()
 
+LuxDeviceUtils.__is_loaded(::LuxMetalDevice) = true
+LuxDeviceUtils.__is_functional(::LuxMetalDevice) = Metal.functional()
+
 # Device Transfer
 ## To GPU
 adapt_storage(::LuxMetalAdaptor, x) = mtl(x)

src/LuxDeviceUtils.jl

@@ -2,8 +2,6 @@ module LuxDeviceUtils
 
 using ChainRulesCore, Functors, LuxCore, Preferences, Random, SparseArrays
 import Adapt: adapt, adapt_storage
-import Base: PkgId, UUID
-import TruncatedStacktraces
 
 using PackageExtensionCompat
 function __init__()
@@ -17,41 +15,33 @@ export LuxCPUAdaptor, LuxCUDAAdaptor, LuxAMDGPUAdaptor, LuxMetalAdaptor
 abstract type AbstractLuxDevice <: Function end
 abstract type AbstractLuxGPUDevice <: AbstractLuxDevice end
 
+__is_functional(::AbstractLuxDevice) = false
+__is_loaded(::AbstractLuxDevice) = false
+
 struct LuxCPUDevice <: AbstractLuxDevice end
+struct LuxCUDADevice <: AbstractLuxGPUDevice end
+struct LuxAMDGPUDevice <: AbstractLuxGPUDevice end
+struct LuxMetalDevice <: AbstractLuxGPUDevice end
 
-Base.@kwdef struct LuxCUDADevice <: AbstractLuxGPUDevice
-    name::String = "CUDA"
-    pkgid::PkgId = PkgId(UUID("d0bbae9a-e099-4d5b-a835-1c6931763bda"), "LuxCUDA")
-end
+__is_functional(::LuxCPUDevice) = true
+__is_loaded(::LuxCPUDevice) = true
 
-Base.@kwdef struct LuxAMDGPUDevice <: AbstractLuxGPUDevice
-    name::String = "AMDGPU"
-    pkgid::PkgId = PkgId(UUID("83120cb1-ca15-4f04-bf3b-6967d2e6b60b"), "LuxAMDGPU")
-end
+_get_device_name(::LuxCPUDevice) = "CPU"
+_get_device_name(::LuxCUDADevice) = "CUDA"
+_get_device_name(::LuxAMDGPUDevice) = "AMDGPU"
+_get_device_name(::LuxMetalDevice) = "Metal"
 
-Base.@kwdef struct LuxMetalDevice <: AbstractLuxGPUDevice
-    name::String = "Metal"
-    pkgid::PkgId = PkgId(UUID("dde4c033-4e86-420c-a63e-0dd931031962"), "Metal")
-end
+_get_triggerpkg_name(::LuxCPUDevice) = ""
+_get_triggerpkg_name(::LuxCUDADevice) = "LuxCUDA"
+_get_triggerpkg_name(::LuxAMDGPUDevice) = "LuxAMDGPU"
+_get_triggerpkg_name(::LuxMetalDevice) = "Metal"
 
 Base.show(io::IO, dev::AbstractLuxDevice) = print(io, nameof(dev))
 
 struct LuxDeviceSelectionException <: Exception end
 
 function Base.showerror(io::IO, e::LuxDeviceSelectionException)
-    print(io, "LuxDeviceSelectionException(No functional GPU device found!!)")
-    if !TruncatedStacktraces.VERBOSE[]
-        println(io, TruncatedStacktraces.VERBOSE_MSG)
-    end
-end
-
-@generated function _get_device_name(t::T) where {T <: AbstractLuxDevice}
-    return hasfield(T, :name) ? :(t.name) : :("")
-end
-
-@generated function _get_trigger_pkgid(t::T) where {T <: AbstractLuxDevice}
-    return hasfield(T, :pkgid) ? :(t.pkgid) :
-           :(PkgId(UUID("b2108857-7c20-44ae-9111-449ecde12c47"), "Lux"))
+    return print(io, "LuxDeviceSelectionException(No functional GPU device found!!)")
 end
 
 # Order is important here
@@ -125,32 +115,33 @@ function _get_gpu_device(; force_gpu_usage::Bool)
         else
             @debug "Using GPU backend set in preferences: $backend."
             device = GPU_DEVICES[idx]
-            if !haskey(Base.loaded_modules, device.pkgid)
+            if !__is_loaded(device)
                 @warn """Trying to use backend: $(_get_device_name(device)) but the trigger package $(device.pkgid) is not loaded.
                     Ignoring the Preferences backend!!!
                     Please load the package and call this function again to respect the Preferences backend.""" maxlog=1
             else
-                if getproperty(Base.loaded_modules[device.pkgid], :functional)()
+                if __is_functional(device)
                     @debug "Using GPU backend: $(_get_device_name(device))."
                     return device
                 else
-                    @warn "GPU backend: $(_get_device_name(device)) set via Preferences.jl is not functional. Defaulting to automatic GPU Backend selection." maxlog=1
+                    @warn "GPU backend: $(_get_device_name(device)) set via Preferences.jl is not functional.
+                        Defaulting to automatic GPU Backend selection." maxlog=1
                 end
             end
         end
     end
 
     @debug "Running automatic GPU backend selection..."
     for device in GPU_DEVICES
-        if haskey(Base.loaded_modules, device.pkgid)
+        if __is_loaded(device)
             @debug "Trying backend: $(_get_device_name(device))."
-            if getproperty(Base.loaded_modules[device.pkgid], :functional)()
+            if __is_functional(device)
                 @debug "Using GPU backend: $(_get_device_name(device))."
                 return device
             end
             @debug "GPU backend: $(_get_device_name(device)) is not functional."
         else
-            @debug "Trigger package for backend ($(_get_device_name(device))): $((device.pkgid)) not loaded."
+            @debug "Trigger package for backend ($(_get_device_name(device))): $(_get_trigger_pkgname(device)) not loaded."
         end
     end