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[Draft] Configurable parallelism #2677

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[Draft] Configurable parallelism #2677

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4 changes: 2 additions & 2 deletions Makefile.template
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ BUILD_TYPE?=Debug
CROSS_BUILD?=0
HOST_OS?=linux
TARGET_OS?=linux
PARALLEL_BUILD?=1
PARALLEL_BUILD?=1 # TODO Rename to `ALL_PROCESSOR_BUILD` or remove this
COVERAGE_BUILD?=0
BENCHMARK_ACL_BUILD?=0
OPTIONS?=
Expand Down Expand Up @@ -139,7 +139,7 @@ endif
touch $(TIMESTAMP_CONFIGURE)

build_internal: $(BUILD_FOLDER)
NNFW_WORKSPACE="$(WORKSPACE)" NPROCS="$(NPROCS)" PARALLEL_BUILD="1" ./nnfw build
NNFW_WORKSPACE="$(WORKSPACE)" NPROCS="$(NPROCS)" PARALLEL_BUILD="$(PARALLEL_BUILD)" ./nnfw build
rm -rf $(BUILD_ALIAS)
ln -s $(BUILD_FOLDER) $(BUILD_ALIAS)
touch $(TIMESTAMP_BUILD)
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10 changes: 8 additions & 2 deletions infra/nnfw/cmake/packages/ARMComputeConfig.cmake
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Expand Up @@ -136,8 +136,14 @@ function(_ARMCompute_Build ARMCompute_INSTALL_PREFIX)
list(APPEND SCONS_OPTIONS "examples=0")
list(APPEND SCONS_OPTIONS "Werror=0")
list(APPEND SCONS_OPTIONS "os=${TARGET_OS}")
include(ProcessorCount)
ProcessorCount(N)

if(DEFINED ACL_BUILD_THREADS)
set(N ${ACL_BUILD_THREADS})
else(DEFINED ACL_BUILD_THREADS)
include(ProcessorCount)
ProcessorCount(N)
endif(DEFINED ACL_BUILD_THREADS)

if((NOT N EQUAL 0) AND BUILD_EXT_MULTITHREAD)
list(APPEND SCONS_OPTIONS -j${N})
endif()
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2 changes: 2 additions & 0 deletions infra/nnfw/command/build
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Expand Up @@ -2,6 +2,8 @@

import "build.configuration"

set -x

if [[ ! -d "${BUILD_PATH}" ]]; then
echo "[ERROR] '${BUILD_PATH}' does not exist. Please run 'configure' first"
exit 255
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