without optimization ==================== fastdbg build ------------- details for buffer #25 CodeHeap::mark_segmap_as_used buffer # 25 calls [n]: n= 40000, n4= 1014, n8= 23576, n12= 45, n14= 773, n16= 14592 buffer # 25 marked segs[*1024]: b= 12659644, b4= 4, b8= 4117, b12= 94, b14= 11469, b16= 12643959 buffer # 25 time [us]: t= 7778500, t4= 9, t8= 2601, t12= 55, t14= 8043, t16= 7767791 buffer # 25 time per call [us]: t= 194, t4= 0, t8= 0, t12= 1, t14= 10, t16= 532 buffer # 25 segments per call : b= 324086, b4= 4, b8= 178, b12= 2139, b14= 15193, b16= 887295 buffer # 25 bandwidth [Mseg/s]: bw= 1666, bw4= 458, bw8= 1621, bw12= 1750, bw14= 1460, bw16= 1666 opt build --------- details for buffer #25 CodeHeap::mark_segmap_as_used buffer # 25 calls [n]: n= 40000, n4= 410, n8= 23626, n12= 45, n14= 772, n16= 15147 buffer # 25 marked segs[*1024]: b= 12986104, b4= 1, b8= 4125, b12= 92, b14= 11464, b16= 12970420 buffer # 25 time [us]: t= 6935371, t4= 4, t8= 2777, t12= 52, t14= 6104, t16= 6926431 buffer # 25 time per call [us]: t= 173, t4= 0, t8= 0, t12= 1, t14= 7, t16= 457 buffer # 25 segments per call : b= 332444, b4= 4, b8= 178, b12= 2099, b14= 15206, b16= 876854 buffer # 25 bandwidth [Mseg/s]: bw= 1917, bw4= 419, bw8= 1521, bw12= 1817, bw14= 1923, bw16= 1917 with optimization ================= fastdbg build ------------- details for buffer #25 CodeHeap::mark_segmap_as_used buffer # 25 calls [n]: n= 40000, n4= 16215, n8= 23400, n12= 3, n14= 382, n16= 0 buffer # 25 marked segs[*1024]: b= 10180, b4= 18, b8= 4087, b12= 5, b14= 6068, b16= 0 buffer # 25 time [us]: t= 2220, t4= 188, t8= 585, t12= 0, t14= 1445, t16= 0 buffer # 25 time per call [us]: t= 0, t4= 0, t8= 0, t12= 0, t14= 3, t16= 0 buffer # 25 segments per call : b= 260, b4= 1, b8= 178, b12= 2018, b14= 16266, b16= 0 buffer # 25 bandwidth [Mseg/s]: bw= 4695, bw4= 102, bw8= 7155, bw12= 0, bw14= 4300, bw16= 0 opt build --------- details for buffer #25 CodeHeap::mark_segmap_as_used buffer # 25 calls [n]: n= 40000, n4= 16194, n8= 23422, n12= 3, n14= 381, n16= 0 buffer # 25 marked segs[*1024]: b= 10175, b4= 17, b8= 4091, b12= 4, b14= 6063, b16= 0 buffer # 25 time [us]: t= 1026, t4= 392, t8= 236, t12= 0, t14= 396, t16= 0 buffer # 25 time per call [us]: t= 0, t4= 0, t8= 0, t12= 0, t14= 1, t16= 0 buffer # 25 segments per call : b= 260, b4= 1, b8= 178, b12= 1425, b14= 16295, b16= 0 buffer # 25 bandwidth [Mseg/s]: bw= 10156, bw4= 44, bw8= 17753, bw12= 0, bw14= 15678, bw16= 0