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Altera_Forum
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11 years ago

About Loop Unrolling

Hi everyone, I am wondering if setting a unroll factor that is not multiple of loop count is OK in Altera OpenCL? For example:# pragma unroll 10 for( int i = 0; i < n; i++){ ... }...
Altera_Forum's avatar
Altera_Forum
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11 years ago

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Thank you for the reply!

So basically during the last unrolled iteration, only the reminder (in my example 128%10 = 8) number of the FPGA datapath will be used and the rest (again in my example 10 - 8 = 2) of the datapath will be bypassed right?

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Yes, this is correct.