wip

Author: William Moses

ext/ReactantCUDAExt.jl

@@ -24,20 +24,13 @@ function compile(job)
         mod, meta = CUDA.GPUCompiler.compile(:llvm, job)
 	string(mod)
     end
-    println(string(modstr))
-    @show job
-    @show job.params
-    @show job.source
-    kernel = LLVMFunc{F,tt}(f, modstr)
-    return modstr
-#=
     # check if we'll need the device runtime
     undefined_fs = filter(collect(functions(meta.ir))) do f
-        isdeclaration(f) && !LLVM.isintrinsic(f)
+        isdeclaration(f) && !CUDA.LLVM.isintrinsic(f)
     end
     intrinsic_fns = ["vprintf", "malloc", "free", "__assertfail",
                      "__nvvm_reflect" #= TODO: should have been optimized away =#]
-    needs_cudadevrt = !isempty(setdiff(LLVM.name.(undefined_fs), intrinsic_fns))
+    needs_cudadevrt = !isempty(setdiff(CUDA.LLVM.name.(undefined_fs), intrinsic_fns))
 
     # prepare invocations of CUDA compiler tools
     ptxas_opts = String[]
@@ -59,7 +52,7 @@ function compile(job)
     arch = "sm_$(cap.major)$(cap.minor)"
 
     # validate use of parameter memory
-    argtypes = filter([KernelState, job.source.specTypes.parameters...]) do dt
+    argtypes = filter([CUDA.KernelState, job.source.specTypes.parameters...]) do dt
         !isghosttype(dt) && !Core.Compiler.isconstType(dt)
     end
     param_usage = sum(sizeof, argtypes)
@@ -120,7 +113,7 @@ function compile(job)
         "--output-file", ptxas_output,
         ptx_input
     ])
-    proc, log = run_and_collect(`$(ptxas()) $ptxas_opts`)
+    proc, log = CUDA.run_and_collect(`$(ptxas()) $ptxas_opts`)
     log = strip(log)
     if !success(proc)
         reason = proc.termsignal > 0 ? "ptxas received signal $(proc.termsignal)" :
@@ -139,8 +132,7 @@ function compile(job)
         @debug "PTX compiler log:\n" * log
     end
     rm(ptx_input)
-=#
-#=
+    
     # link device libraries, if necessary
     #
     # this requires relocatable device code, which prevents certain optimizations and
@@ -180,8 +172,12 @@ function compile(job)
         image = read(ptxas_output)
         rm(ptxas_output)
     end
-=#
-    return (image, entry=LLVM.name(meta.entry))
+    
+    println(string(modstr))
+    @show job
+    @show job.source
+    @show job.config
+    LLVMFunc{F,job.source.specTypes}(f, modstr, image, LLVM.name(meta.entry))
 end
 
 # link into an executable kernel
@@ -193,10 +189,24 @@ end
 struct LLVMFunc{F,tt}
    f::F
    mod::String
+   image
+   entry::String
 end
 
-function (func::LLVMFunc{F,tt})(args...) where{F, tt}
-   
+function (func::LLVMFunc{F,tt})(args...; blocks::CUDA.CuDim=1, threads::CUDA.CuDim=1,
+					 shmem::Integer=0) where{F, tt}
+    blockdim = CUDA.CuDim3(blocks)
+    threaddim = CUDA.CuDim3(threads)
+
+    @show args
+
+# void MosaicGPUCustomCall(void* stream, void** buffers, char* opaque,
+#                         size_t opaque_len, XlaCustomCallStatus* status) {
+
+    CUDA.cuLaunchKernel(f,
+	       blockdim.x, blockdim.y, blockdim.z,
+	       threaddim.x, threaddim.y, threaddim.z,
+	       shmem, stream, kernelParams, C_NULL)  
 end
 
 # cache of compilation caches, per context