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Issue/1021： issue/1021 - feat: support bf16 in infiniccl with mccl #1024

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Merged
spike-zhu merged 1 commit into from
Feb 28, 2026
Merged

Issue/1021： issue/1021 - feat: support bf16 in infiniccl with mccl #1024

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19 changes: 16 additions & 3 deletions src/infiniccl/moore/infiniccl_moore.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,12 @@ inline mcclDataType_t getMcclDtype(infiniDtype_t datatype) {
return mcclFloat;
case INFINI_DTYPE_F16:
return mcclHalf;

#if MARCH_TYPE == 310
case INFINI_DTYPE_BF16:
return mcclBfloat16;
#endif

default:
std::abort();
return mcclHalf;
Expand Down Expand Up @@ -83,9 +89,16 @@ infiniStatus_t allReduce(
infinicclComm_t comm,
infinirtStream_t stream) {

if (datatype != INFINI_DTYPE_F32 && datatype != INFINI_DTYPE_F16) {
return INFINI_STATUS_BAD_PARAM;
}
#if MARCH_TYPE == 310
CHECK_DTYPE(datatype,
INFINI_DTYPE_F32,
INFINI_DTYPE_F16,
INFINI_DTYPE_BF16);
#else
CHECK_DTYPE(datatype,
INFINI_DTYPE_F32,
INFINI_DTYPE_F16);
#endif

CHECK_MCCL(mcclAllReduce(sendbuf, recvbuf, count, getMcclDtype(datatype),
getMcclRedOp(op), getMcclComm(comm), getMusaStream(stream)));
Expand Down
6 changes: 6 additions & 0 deletions xmake.lua
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Expand Up @@ -180,6 +180,12 @@ option("moore-gpu")
set_description("Whether to compile implementations for Moore Threads GPU")
option_end()

option("moore-gpu-arch")
set_default("mp_31")
set_showmenu(true)
set_description("Set Moore GPU architecture (e.g. mp_31)")
option_end()

if has_config("moore-gpu") then
add_defines("ENABLE_MOORE_API")
includes("xmake/moore.lua")
Expand Down
23 changes: 22 additions & 1 deletion xmake/moore.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,22 @@ rule("mu")
local mcc = MUSA_ROOT .. "/bin/mcc"
local includedirs = table.concat(target:get("includedirs"), " ")

local args = {"-c", sourcefile, "-o", objectfile, "-I" .. MUSA_ROOT .. "/include", "-O3", "-fPIC", "-Wall", "-std=c++17", "-pthread"}
local args = {
"-c", sourcefile,
"-o", objectfile,
"-I" .. MUSA_ROOT .. "/include",
"-O3",
"-fPIC",
"-Wall",
"-std=c++17",
"-pthread"
}
local moore_gpu_arch = get_config("moore-gpu-arch")

if moore_gpu_arch == "mp_31" then
table.insert(args, 1, "--cuda-gpu-arch=mp_31")
end

for _, includedir in ipairs(target:get("includedirs")) do
table.insert(args, "-I" .. includedir)
end
Expand Down Expand Up @@ -76,6 +91,12 @@ target("infiniccl-moore")
if has_config("ccl") then
add_links("libmccl.so")
add_files("../src/infiniccl/moore/*.cc")

-- Moore GPU arch with mp_31 support mcclBfloat16 in MCCL
if get_config("moore-gpu-arch") == "mp_31" then
add_defines("MARCH_TYPE=310")
add_cxxflags("-Wno-unused-function")
end
end
set_languages("cxx17")

Expand Down