marcoabreu commented on a change in pull request #10760: [MXNET-372] Add build
flag for USE_F16C in CMake and clarify flag in make
URL: https://github.com/apache/incubator-mxnet/pull/10760#discussion_r185150678
##########
File path: make/config.mk
##########
@@ -132,10 +132,19 @@ endif
ARCH := $(shell uname -a)
ifneq (,$(filter $(ARCH), armv6l armv7l powerpc64le ppc64le aarch64))
USE_SSE=0
+ USE_F16C=0
else
USE_SSE=1
endif
+#----------------------------
+# F16C instruction support for faster arithmetic of fp16 on CPU
+#----------------------------
+# For distributed training with fp16, this helps even if training on GPUs
+# If left empty, attempts to identify support and turn it on.
+# During cross compilation, please check support for F16C on target device.
+USE_F16C =
Review comment:
Value missing?
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