feature: adding -fsycl-max-parallel-link-jobs in make (#2926)

oneapi-src · Oct 1, 2024 · ad75901 · ad75901
1 parent 52a876c
commit ad75901
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/dev/make/compiler_definitions/dpcpp.mk b/dev/make/compiler_definitions/dpcpp.mk
@@ -33,8 +33,8 @@ COMPILER.lnx.dpcpp = icpx -fsycl -m64 -stdlib=libstdc++ -fgnu-runtime -fwrapv \
 COMPILER.win.dpcpp = icx -fsycl $(if $(MSVC_RT_is_release),-MD, -MDd /debug:none) -nologo -WX \
                      -Wno-deprecated-declarations -fsycl-device-code-split=per_kernel
 
-link.dynamic.lnx.dpcpp = icpx -fsycl -m64 -fsycl-device-code-split=per_kernel
-link.dynamic.win.dpcpp = icx -fsycl -m64 -fsycl-device-code-split=per_kernel
+link.dynamic.lnx.dpcpp = icpx -fsycl -m64 -fsycl-device-code-split=per_kernel -fsycl-max-parallel-link-jobs=$(SYCL_LINK_PRL)
+link.dynamic.win.dpcpp = icx -fsycl -m64 -fsycl-device-code-split=per_kernel -fsycl-max-parallel-link-jobs=$(SYCL_LINK_PRL)
 
 pedantic.opts.lnx.dpcpp = -pedantic \
                           -Wall \

diff --git a/makefile b/makefile
@@ -44,6 +44,13 @@ MSVC_RUNTIME_VERSIONs = release debug
 MSVC_RUNTIME_VERSION ?= release
 $(if $(filter $(MSVC_RUNTIME_VERSIONs),$(MSVC_RUNTIME_VERSION)),,$(error MSVC_RUNTIME_VERSION must be one of $(MSVC_RUNTIME_VERSIONs)))
 
+MAKE_PID := $(shell echo $$PPID)
+JOB_FLAG := $(filter -j%, $(subst -j ,-j,$(shell ps T | grep "^\s*$(MAKE_PID).*$(MAKE)")))
+MAKE_JOBS := $(subst -j,,$(JOB_FLAG))
+MAKE_JOBS := $(if $(filter $(MAKE_JOBS),$(shell seq 1 999)),$(MAKE_JOBS),$(shell nproc))
+
+SYCL_LINK_PRL := $(MAKE_JOBS)
+
 COMPILER_is_$(COMPILER)            := yes
 COMPILER_is_cross                  := $(if $(filter $(PLAT),$(IDENTIFIED_PLAT)),no,yes)
 OS_is_$(_OS)                       := yes