Hello,
Any program compiled with icc18 on AMD CPU with "-fast" option results in executable that produces the following error when launched:
Please verify that both the operating system and the processor support Intel(R) X87, CMOV, MMX, FXSAVE, SSE, SSE2 and SSE3 instructions.
CPU information from the OS (no SSE3 there):
> head /proc/cpuinfo -n 26
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 9
model name : AMD Opteron(tm) Processor 6174
stepping : 1
cpu MHz : 2200.000
cache size : 512 KB
physical id : 0
siblings : 12
core id : 0
cpu cores : 12
apicid : 16
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid amd_dcm pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt nodeid_msr
bogomips : 4399.72
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate
Looks like this is against the specification of "-fast" in the manual:
> icc -help | egrep "\-fast|\-x" -A1
-fast enable -xHOST -O3 -ipo -no-prec-div -static -fp-model fast=2
--
-x<code> generate specialized code to run exclusively on processors
indicated by <code> as described below
--
-xHost generate instructions for the highest instruction set and processor
available on the compilation host machine
Thanks.
