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Subject: Re: One (silly) question about "C"

Author: Dann Corbit

Date: 17:06:39 02/05/02

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C:\tmp>icl /W5 /O3 /G6 /Qip /QaxW foo.c
Intel(R) C++ Compiler for 32-bit applications, Version 6.0 Beta  Build 010824Z
Copyright (C) 1985-2001 Intel Corporation.  All rights reserved.

icl: NOTE: The evaluation period for this product ends on 15-mar-2002 UTC.
foo.c
foo.c(9) : (col. 1) remark: _main has been targeted for automatic cpu dispatch.
foo.c(48) : (col. 3) remark: LOOP WAS VECTORIZED.
foo.c(44) : (col. 1) remark: _sum1 has been targeted for automatic cpu dispatch.
Microsoft (R) Incremental Linker Version 6.00.8447
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.

-out:foo.exe
foo.obj

C:\tmp>foo
Expecting a sum of 30830878000000
sum normal:   sum=30830878000000, used 8.422 seconds
sum unrolled: sum=30830878000000, used 8.563 seconds

• Re: One (silly) question about "C" Dieter Buerssner 17:37:45 02/05/02
  • why loop unrolling isn't as useful on x86 as it once was Wylie Garvin 04:29:20 02/07/02
  • Re: One (silly) question about "C" Dann Corbit 18:00:17 02/05/02

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