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sycl(build): parallelize ocloc invocations #25903

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Merged
ggerganov merged 1 commit into from
Jul 27, 2026
+11 −0
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sycl(build): parallelize ocloc invocations #25903

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11 changes: 11 additions & 0 deletions ggml/src/ggml-sycl/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -199,9 +199,20 @@ if (GGML_SYCL_DEVICE_ARCH)
-fsycl-targets=spir64_gen
"SHELL:-Xsycl-target-backend=spir64_gen \"-device ${GGML_SYCL_DEVICE_ARCH}\""
)

# Pass through parallel job (process) count for parallelising the
# `llvm-foreach -- ocloc` invocation for compiling AOT device images.
include(ProcessorCount)
ProcessorCount(_ggml_sycl_nproc)
if (_ggml_sycl_nproc LESS 1)
set(_ggml_sycl_nproc 1)
endif()
set(GGML_SYCL_MAX_PARALLEL_LINK_JOBS ${_ggml_sycl_nproc} CACHE STRING
"Parallel ocloc jobs for spir64_gen AOT device-image lowering")
target_link_options(
ggml-sycl PRIVATE
-fsycl-targets=spir64_gen
"SHELL:-Xsycl-target-backend=spir64_gen \"-device ${GGML_SYCL_DEVICE_ARCH}\""
-fsycl-max-parallel-link-jobs=${GGML_SYCL_MAX_PARALLEL_LINK_JOBS}
)
endif()
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