mirror of
https://github.com/sgjzfzzf/triton-tvm-ffi.git
synced 2026-07-01 08:51:56 +08:00
64 lines
2.3 KiB
Django/Jinja
64 lines
2.3 KiB
Django/Jinja
#include <assert.h>
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#include <cuda.h>
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#include <tvm/ffi/tvm_ffi.h>
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#ifdef __cplusplus
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extern "C"
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#endif
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TVM_FFI_DLL_EXPORT void
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__tvm_ffi_launch(void *handle, const TVMFFIAny *args, int32_t num_args,
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TVMFFIAny *result) {
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int32_t gridX = args[0].v_int64;
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int32_t gridY = args[1].v_int64;
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int32_t gridZ = args[2].v_int64;
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CUstream stream = (CUstream)args[3].v_uint64;
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CUfunction function = (CUfunction)args[4].v_uint64;
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int32_t numWarps = args[5].v_int64;
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int32_t numCtas = args[6].v_int64;
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int32_t sharedMemory = args[7].v_int64;
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uint64_t globalScratch = args[8].v_uint64;
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uint64_t profileScratch = args[9].v_uint64;
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if (gridX * gridY * gridZ > 0) {
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CUlaunchAttribute launchAttr[4];
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CUlaunchConfig config;
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config.gridDimX = gridX * numCtas;
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config.gridDimY = gridY;
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config.gridDimZ = gridZ;
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config.blockDimX = 32 * numWarps;
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config.blockDimY = 1;
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config.blockDimZ = 1;
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config.sharedMemBytes = sharedMemory;
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config.hStream = stream;
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config.attrs = launchAttr;
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int32_t numAttrs = 0;
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// TODO: check `launchPdl`
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// TODO: check `launchCooperativeGrid`
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if (numCtas != 1) {
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CUlaunchAttribute clusterAttr;
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clusterAttr.id = CU_LAUNCH_ATTRIBUTE_CLUSTER_DIMENSION;
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clusterAttr.value.clusterDim.x = numCtas;
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clusterAttr.value.clusterDim.y = 1;
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clusterAttr.value.clusterDim.z = 1;
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launchAttr[numAttrs++] = clusterAttr;
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CUlaunchAttribute clusterSchedulingAttr;
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clusterSchedulingAttr.id =
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CU_LAUNCH_ATTRIBUTE_CLUSTER_SCHEDULING_POLICY_PREFERENCE;
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clusterSchedulingAttr.value.clusterSchedulingPolicyPreference =
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CU_CLUSTER_SCHEDULING_POLICY_SPREAD;
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launchAttr[numAttrs++] = clusterSchedulingAttr;
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}
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config.numAttrs = numAttrs;
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{% for type in signature %}
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{% if type == "void *" %}
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{{ type }} arg{{ loop.index0 }} = ((DLTensor*)(args[{{ loop.index0 + 10 }}].v_c_str + sizeof(TVMFFIObject)))->data;
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{% elif type == "int32_t" %}
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{{ type }} arg{{ loop.index0 }} = args[{{ loop.index0 + 10 }}].v_int64;
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{% else %}
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assert(false, "unsupported type yet {{ type }}");
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{% endif %}
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{% endfor %}
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void *params[] = { {% for type in signature %} &arg{{ loop.index0 }}, {% endfor %}&globalScratch, &profileScratch };
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cuLaunchKernelEx(&config, function, params, NULL);
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}
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}
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