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Parallel Build with GNU make

From: Nagarjuna Badigunchala (RBEI/EAP4)
Subject: Parallel Build with GNU make
Date: Mon, 1 Feb 2016 11:18:38 +0000

Can somebody tell me how to use the parallelism feature of GNU make?
I tried to use the following command for parallel build but it is not working.
Make j 7 f makefile.mak build
When I execute the above command, I can see that the GNU make is utilizing 40%-60% of CPU. When I execute the same command using clearmake(clearmake j 7 makefile.mak build) process, I can see that it is always utilizing 80-100% of CPU. Which informs that the GNU make process is not using the parallelism.
Note: Versions of GNU make tested (3.81 and 4.1)
Thanks in advanceJ
Mit freundlichen Grüßen / Best regards
Nagarjuna Badigunchala
Tel. +91(80)6738-1518

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