https://community.intel.com/t5/Software-Tuning-Performance/How-could-I-understand-FP-ASSIST-ANY/m-p/1116828#M6128 <P>You could understand it by reading the Intel® 64 and IA-32 Architectures Optimization Reference Manual</P> <P>Short explanation for assists: when certain floating-point operations cannot be handled natively by the execution pipeline, and must be performed by microcode<BR /> At another page: SIMD FP assists deal[ing] with denormal inputs and underflow outputs.</P> <P>To determine the costs of assists, you can use the performance events, see section 'B.4.5.2 Assists' (Version June 2016)</P> Fri, 16 Dec 2016 15:25:27 GMT Thomas_G_4 2016-12-16T15:25:27Z https://community.intel.com/t5/Software-Tuning-Performance/How-could-I-understand-FP-ASSIST-ANY/m-p/1116827#M6127 <P>&nbsp;</P> <P><SPAN style="font-size: 1em;">How could I understand FP_ASSIST.ANY?&nbsp;</SPAN></P> Fri, 16 Dec 2016 09:56:04 GMT https://community.intel.com/t5/Software-Tuning-Performance/How-could-I-understand-FP-ASSIST-ANY/m-p/1116827#M6127 GHui 2016-12-16T09:56:04Z https://community.intel.com/t5/Software-Tuning-Performance/How-could-I-understand-FP-ASSIST-ANY/m-p/1116828#M6128 <P>You could understand it by reading the Intel® 64 and IA-32 Architectures Optimization Reference Manual</P> <P>Short explanation for assists: when certain floating-point operations cannot be handled natively by the execution pipeline, and must be performed by microcode<BR /> At another page: SIMD FP assists deal[ing] with denormal inputs and underflow outputs.</P> <P>To determine the costs of assists, you can use the performance events, see section 'B.4.5.2 Assists' (Version June 2016)</P> Fri, 16 Dec 2016 15:25:27 GMT https://community.intel.com/t5/Software-Tuning-Performance/How-could-I-understand-FP-ASSIST-ANY/m-p/1116828#M6128 Thomas_G_4 2016-12-16T15:25:27Z