[ { "BriefDescription": "Approximate counts of AVX & AVX2 256-bit instructions, including non-arithmetic instructions, loads, and stores. May count non-AVX instructions that employ 256-bit operations, including (but not necessarily limited to) rep string instructions that use 256-bit loads and stores for optimized performance, XSAVE* and XRSTOR*, and operations that transition the x87 FPU data registers between x87 and MMX.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xC6", "EventName": "AVX_INSTS.ALL", "PublicDescription": "Note that a whole rep string only counts AVX_INST.ALL once.", "SampleAfterValue": "2000003", "UMask": "0x7" }, { "BriefDescription": "Cycles with any input/output SSE or FP assist", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3", "CounterMask": "1", "EventCode": "0xCA", "EventName": "FP_ASSIST.ANY", "PublicDescription": "Cycles with any input/output SSE* or FP assists.", "SampleAfterValue": "100003", "UMask": "0x1e" }, { "BriefDescription": "Number of SIMD FP assists due to input values", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xCA", "EventName": "FP_ASSIST.SIMD_INPUT", "PublicDescription": "Number of SIMD FP assists due to input values.", "SampleAfterValue": "100003", "UMask": "0x10" }, { "BriefDescription": "Number of SIMD FP assists due to Output values", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xCA", "EventName": "FP_ASSIST.SIMD_OUTPUT", "PublicDescription": "Number of SIMD FP assists due to output values.", "SampleAfterValue": "100003", "UMask": "0x8" }, { "BriefDescription": "Number of X87 assists due to input value.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xCA", "EventName": "FP_ASSIST.X87_INPUT", "PublicDescription": "Number of X87 FP assists due to input values.", "SampleAfterValue": "100003", "UMask": "0x4" }, { "BriefDescription": "Number of X87 assists due to output value.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0xCA", "EventName": "FP_ASSIST.X87_OUTPUT", "PublicDescription": "Number of X87 FP assists due to output values.", "SampleAfterValue": "100003", "UMask": "0x2" }, { "BriefDescription": "Number of SIMD Move Elimination candidate uops that were eliminated.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x58", "EventName": "MOVE_ELIMINATION.SIMD_ELIMINATED", "PublicDescription": "Number of SIMD move elimination candidate uops that were eliminated.", "SampleAfterValue": "1000003", "UMask": "0x2" }, { "BriefDescription": "Number of SIMD Move Elimination candidate uops that were not eliminated.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "EventCode": "0x58", "EventName": "MOVE_ELIMINATION.SIMD_NOT_ELIMINATED", "PublicDescription": "Number of SIMD move elimination candidate uops that were not eliminated.", "SampleAfterValue": "1000003", "UMask": "0x8" }, { "BriefDescription": "Number of transitions from AVX-256 to legacy SSE when penalty applicable.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "Errata": "HSD56, HSM57", "EventCode": "0xC1", "EventName": "OTHER_ASSISTS.AVX_TO_SSE", "SampleAfterValue": "100003", "UMask": "0x8" }, { "BriefDescription": "Number of transitions from SSE to AVX-256 when penalty applicable.", "Counter": "0,1,2,3", "CounterHTOff": "0,1,2,3,4,5,6,7", "Errata": "HSD56, HSM57", "EventCode": "0xC1", "EventName": "OTHER_ASSISTS.SSE_TO_AVX", "SampleAfterValue": "100003", "UMask": "0x10" } ]