Add radix sort benchmark

3 files changed, 370 insertions, 0 deletions

diff --git a/benchmarks/rsort/bmark.mk b/benchmarks/rsort/bmark.mk
new file mode 100644
index 0000000..0fa713c
--- /dev/null
+++ b/benchmarks/rsort/bmark.mk
@@ -0,0 +1,30 @@
+#=======================================================================
+# UCB CS250 Makefile fragment for benchmarks
+#-----------------------------------------------------------------------
+#
+# Each benchmark directory should have its own fragment which
+# essentially lists what the source files are and how to link them
+# into an riscv and/or host executable. All variables should include
+# the benchmark name as a prefix so that they are unique.
+#
+
+rsort_c_src = \
+	rsort.c \
+	syscalls.c \
+
+rsort_riscv_src = \
+	crt.S \
+
+rsort_c_objs     = $(patsubst %.c, %.o, $(rsort_c_src))
+rsort_riscv_objs = $(patsubst %.S, %.o, $(rsort_riscv_src))
+
+rsort_host_bin = rsort.host
+$(rsort_host_bin) : $(rsort_c_src)
+	$(HOST_COMP) $^ -o $(rsort_host_bin)
+
+rsort_riscv_bin = rsort.riscv
+$(rsort_riscv_bin) : $(rsort_c_objs) $(rsort_riscv_objs)
+	$(RISCV_LINK) $(rsort_c_objs) $(rsort_riscv_objs) -o $(rsort_riscv_bin) $(RISCV_LINK_OPTS)
+
+junk += $(rsort_c_objs) $(rsort_riscv_objs) \
+        $(rsort_host_bin) $(rsort_riscv_bin)
diff --git a/benchmarks/rsort/dataset1.h b/benchmarks/rsort/dataset1.h
new file mode 100644
index 0000000..25e8231
--- /dev/null
+++ b/benchmarks/rsort/dataset1.h
@@ -0,0 +1,217 @@
+
+#define DATA_SIZE 2048 
+
+type input_data[DATA_SIZE] = 
+{
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+  2055783490, 980863365, 1308872551, 1010427073, 1399854717, 1217804021, 934700736, 878744414
+};
+
+type verify_data[DATA_SIZE] = 
+{
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+  933603111, 933673987, 934048997, 934700736, 935490932, 935573751, 935689637, 935939763, 937081176, 937976428, 937987129, 939497524, 941471466, 942977997, 943871886, 944382193, 945948973, 946311527, 946425090, 946489895, 
+  948686793, 949010757, 949222447, 950009818, 951256529, 951663731, 952824381, 953383750, 953877041, 954441852, 954915740, 954942098, 957037315, 958774566, 959354209, 960982228, 964348374, 965490116, 965562483, 966363087, 
+  968848252, 969076419, 969305448, 969358207, 969500483, 970194422, 972058766, 973367349, 973490494, 973493986, 973769771, 976015092, 976063110, 977454680, 977907387, 978247260, 980702956, 980863365, 983043723, 985305323, 
+  986240059, 987761406, 988431201, 991159735, 991874801, 992410365, 993525189, 993786972, 994291574, 997649666, 998931662, 999229412, 999346398, 999899279, 1007042224, 1010427073, 1011417836, 1011473945, 1011596733, 1012611702, 
+  1013901419, 1016469330, 1016615447, 1020037994, 1021014457, 1022861633, 1025117441, 1026342885, 1026380990, 1027758817, 1027760887, 1028529524, 1028820236, 1028937430, 1029176122, 1029338154, 1029832956, 1031625002, 1032748996, 1032914339, 
+  1033910502, 1035075488, 1035956563, 1037521069, 1038018856, 1038830638, 1042790263, 1042942541, 1043920511, 1044088643, 1045627895, 1045658065, 1047336724, 1048943084, 1049475248, 1050373352, 1050512245, 1051184301, 1054066034, 1057003814, 
+  1058677375, 1058937717, 1061864942, 1063657548, 1063743848, 1063768444, 1063839036, 1065136414, 1065481253, 1066014062, 1066787659, 1067775613, 1068587688, 1068798385, 1069450170, 1073695485, 1073871430, 1074205225, 1075762632, 1076198976, 
+  1078197595, 1079859867, 1082499152, 1082864732, 1082881617, 1085326591, 1087195269, 1087245613, 1087251698, 1087556673, 1087742330, 1089408490, 1089710430, 1090104632, 1090386021, 1090443335, 1092382563, 1092881031, 1094283114, 1094531762, 
+  1095403694, 1099847920, 1100041120, 1100089300, 1101722351, 1101933540, 1102423908, 1102603775, 1103013140, 1106678970, 1110387095, 1111213862, 1112056034, 1112731797, 1113693824, 1120963974, 1121432739, 1121800211, 1121960111, 1122768484, 
+  1123331233, 1123555638, 1125104871, 1125822965, 1126017956, 1127173529, 1127911377, 1128895624, 1130850177, 1131661227, 1132597050, 1133473813, 1133910514, 1134185180, 1135793759, 1136264020, 1136356724, 1137511396, 1139018167, 1139159604, 
+  1140008063, 1140728569, 1143168018, 1143511498, 1143853106, 1144017176, 1144669754, 1147341731, 1147793249, 1148699143, 1149113346, 1150780072, 1152335090, 1152416171, 1154842325, 1155459206, 1155544307, 1156824624, 1157666831, 1159675637, 
+  1159745061, 1159898528, 1160036198, 1160186023, 1160285859, 1160333307, 1160537912, 1161580432, 1162679490, 1165446977, 1166227930, 1167207852, 1168465459, 1169327477, 1170510314, 1170759710, 1171051384, 1171925835, 1172290275, 1173840088, 
+  1173889730, 1174587016, 1175004233, 1175885101, 1178086274, 1178260876, 1179525294, 1180063064, 1180525723, 1181191604, 1183464058, 1184561748, 1185825535, 1188076819, 1188748563, 1189141368, 1189323192, 1190890142, 1191079043, 1191513656, 
+  1192155877, 1194041213, 1194709162, 1198213061, 1198254803, 1198857033, 1199317660, 1201124879, 1201152163, 1201659316, 1202009920, 1202162389, 1203377492, 1203897636, 1204992245, 1205522527, 1205895814, 1206302514, 1209784819, 1209991461, 
+  1212628403, 1212974417, 1214379246, 1214950832, 1215063385, 1215103809, 1216475831, 1217804021, 1218522465, 1220523503, 1220915309, 1221108420, 1221726287, 1222554291, 1223475486, 1223572435, 1223583276, 1228817775, 1230449468, 1231111410, 
+  1231149357, 1231249235, 1231639101, 1231932661, 1232567659, 1232992084, 1233022905, 1234157881, 1234944834, 1239665569, 1240287664, 1245819051, 1247518755, 1249086623, 1249183285, 1250360726, 1255524953, 1256015513, 1256152080, 1256372950, 
+  1257507406, 1260859787, 1262399341, 1267173039, 1269707634, 1271370220, 1273223611, 1273955724, 1274190723, 1274436639, 1275331596, 1275500498, 1276205250, 1278053582, 1278777407, 1278794420, 1279061703, 1279981214, 1281443423, 1285258674, 
+  1286989824, 1287171290, 1287830283, 1288684086, 1289308008, 1290629443, 1290969161, 1291025252, 1291070368, 1291438802, 1292049996, 1292413659, 1293091635, 1294873695, 1296857499, 1298200648, 1299667896, 1302272656, 1302724177, 1303736105, 
+  1305071296, 1308872551, 1310177444, 1312064004, 1312471120, 1313115559, 1313640711, 1313871880, 1316120929, 1317077622, 1317201705, 1318032594, 1318900244, 1319798607, 1321897861, 1322281086, 1322696419, 1323798820, 1324123626, 1324723894, 
+  1325008187, 1325083914, 1326017288, 1328272543, 1328885292, 1331383316, 1331593955, 1332379148, 1332467446, 1332620900, 1332937015, 1333790305, 1334857284, 1335236478, 1335298265, 1335652095, 1335861008, 1336108161, 1336513734, 1337406065, 
+  1338090388, 1339293088, 1340949553, 1344125357, 1345014111, 1345378476, 1345873587, 1345987999, 1347284277, 1348361229, 1348373925, 1350653461, 1352833750, 1353144470, 1353999206, 1355086853, 1355391150, 1356847855, 1361012693, 1361078114, 
+  1365423458, 1367731096, 1368235387, 1370528050, 1372169786, 1373978529, 1374125186, 1375470750, 1377995642, 1379259015, 1379460673, 1379995885, 1382429941, 1382484003, 1382551511, 1382893830, 1383307838, 1383640563, 1384314543, 1385675177, 
+  1386258142, 1386366954, 1387039848, 1387864976, 1388759892, 1389787451, 1389954587, 1390040163, 1390274260, 1390306889, 1390477985, 1390656632, 1391095995, 1391827090, 1392162662, 1394929399, 1395155215, 1395289708, 1396662140, 1399673078, 
+  1399854717, 1400070607, 1400929335, 1401058771, 1401980800, 1402735006, 1403206383, 1403771494, 1404727477, 1405668251, 1405763119, 1407094080, 1408805003, 1409001936, 1412540552, 1413860940, 1414141069, 1414160501, 1415390230, 1417415680, 
+  1417601340, 1420810050, 1424797596, 1424859828, 1426483935, 1427504270, 1428223489, 1430821640, 1431492783, 1431814151, 1434046375, 1434633879, 1435859758, 1437147036, 1440145706, 1441811554, 1444048519, 1444076976, 1445225855, 1445279202, 
+  1445352642, 1447469119, 1447876480, 1450892344, 1451277631, 1451442832, 1453397990, 1455316979, 1455756978, 1457464894, 1459100749, 1459138745, 1459500136, 1459620801, 1462192184, 1462501905, 1462778368, 1462921857, 1463269859, 1466632447, 
+  1466679625, 1467376771, 1468486929, 1470285405, 1471131758, 1471461419, 1471598258, 1472567100, 1473166451, 1473735214, 1475638246, 1480273562, 1480324438, 1480437960, 1482983072, 1485740112, 1486594282, 1487620835, 1489699243, 1491477359, 
+  1492071476, 1492488573, 1496078411, 1496277718, 1497680539, 1497926365, 1498554338, 1500102591, 1501181424, 1502266386, 1502480836, 1502557594, 1504023310, 1505022272, 1505475223, 1506716966, 1507433029, 1508705426, 1510133268, 1512135729, 
+  1512163910, 1513255537, 1514278798, 1514582723, 1514792012, 1515262458, 1515528736, 1515933932, 1519017268, 1520667645, 1520886946, 1521350211, 1522316172, 1524006589, 1524491858, 1525451290, 1527022962, 1528031307, 1533447203, 1533496974, 
+  1534330971, 1536213818, 1537459540, 1538069400, 1538391713, 1539560507, 1541125975, 1541132933, 1541546082, 1545555937, 1546057655, 1546104436, 1547662666, 1548588723, 1548804416, 1550012286, 1550159640, 1550525411, 1550721460, 1551661799, 
+  1553547892, 1554106660, 1555325521, 1555660285, 1558244592, 1558695709, 1560142576, 1561212123, 1561251584, 1561422777, 1561730727, 1563717683, 1564061243, 1565610678, 1565700239, 1566878909, 1568176414, 1568395337, 1568900638, 1569479928, 
+  1570645300, 1571598133, 1572212863, 1575380740, 1577034674, 1577955754, 1579725218, 1581062145, 1581118537, 1581801257, 1584408128, 1585050246, 1588222158, 1588715179, 1589194592, 1590461855, 1590771096, 1593359038, 1593837351, 1594621666, 
+  1596042792, 1596821127, 1597506096, 1598436917, 1599565995, 1599876594, 1600023202, 1600493361, 1601134240, 1601247294, 1601617797, 1602517354, 1602827413, 1602967659, 1603428054, 1604330946, 1604357658, 1605294199, 1605369007, 1607204293, 
+  1607515830, 1607628402, 1607677838, 1609955669, 1610244183, 1610539590, 1611500622, 1611558740, 1611680320, 1612593993, 1612609979, 1614780688, 1617229086, 1618378831, 1619598456, 1619641914, 1620562432, 1620803320, 1622692876, 1622758049, 
+  1624653209, 1627355806, 1628387880, 1628389501, 1629633514, 1629914848, 1630293700, 1630776459, 1631405417, 1631935240, 1633512617, 1634445325, 1635952299, 1636203720, 1636860706, 1640952769, 1642338733, 1642884452, 1643991754, 1644353864, 
+  1645969422, 1646704157, 1648575360, 1649344003, 1649392096, 1650899832, 1652108025, 1653332243, 1655277291, 1656527154, 1657001479, 1658037573, 1659079595, 1659137391, 1660678300, 1663100626, 1663890071, 1665914525, 1666074170, 1667102296, 
+  1667679197, 1672192305, 1673314595, 1674045273, 1675300017, 1675494182, 1677449797, 1678967663, 1679324299, 1679777458, 1680251429, 1680294422, 1681866717, 1682700783, 1683915700, 1684018729, 1685350721, 1685880008, 1686215900, 1686479103, 
+  1686570783, 1687540458, 1687941280, 1688652157, 1689946986, 1690167792, 1691486500, 1691676526, 1695191950, 1695617313, 1697686200, 1702425249, 1704561346, 1705378439, 1705905941, 1706528514, 1708002892, 1708106609, 1708126014, 1709019727, 
+  1709697877, 1709823304, 1710305778, 1711569347, 1711718534, 1711761015, 1711765426, 1712269139, 1712341869, 1713188647, 1713475126, 1714295540, 1715279374, 1715379173, 1715402379, 1716853034, 1719009954, 1719573683, 1721767511, 1723143470, 
+  1725541486, 1726987516, 1727583308, 1730333306, 1730721241, 1731949250, 1732028080, 1733366374, 1733982669, 1737931879, 1738353358, 1740099311, 1740778973, 1740783613, 1742032331, 1742434188, 1745247524, 1745393357, 1745543275, 1746273091, 
+  1746476698, 1746904676, 1747861289, 1749972876, 1750197960, 1750443194, 1750955971, 1752088215, 1752318678, 1752598186, 1753125385, 1754447491, 1755204784, 1757028186, 1758748737, 1760851607, 1761289401, 1763785295, 1764436465, 1765354961, 
+  1765830270, 1767380006, 1768795266, 1770497338, 1771614266, 1771924274, 1772760484, 1774218355, 1774652096, 1774796872, 1775331228, 1775608361, 1775805177, 1776471922, 1776794410, 1778544166, 1781233744, 1781891230, 1783233173, 1783943137, 
+  1784682542, 1787338655, 1787391786, 1788389051, 1790557628, 1792756324, 1793190956, 1793747608, 1797641070, 1799210492, 1800186189, 1800522575, 1802197319, 1802327778, 1803183394, 1806061681, 1807085904, 1807172811, 1808237662, 1811088032, 
+  1815408878, 1816641611, 1817156134, 1820281480, 1821482472, 1821559709, 1822279764, 1822612008, 1823053058, 1826590258, 1826628136, 1826880531, 1827651881, 1833543700, 1833603743, 1834161399, 1834254978, 1834285819, 1834318089, 1834388383, 
+  1834852613, 1835203128, 1835860030, 1835977906, 1836119534, 1837280287, 1838218199, 1839063567, 1840896199, 1846605728, 1847908587, 1848681194, 1849495275, 1849657867, 1849675857, 1852181952, 1855359256, 1858637614, 1858933377, 1859683061, 
+  1860435620, 1860839427, 1862876260, 1864952910, 1866094167, 1868151949, 1868289345, 1869264274, 1870214195, 1870859970, 1871060346, 1871684562, 1873900475, 1874026715, 1874855959, 1876255297, 1878253960, 1878434988, 1879635915, 1880483834, 
+  1880577483, 1881253854, 1883168929, 1883999260, 1886317932, 1890889527, 1890938638, 1891630185, 1891904961, 1892370478, 1893095488, 1896952705, 1897691227, 1897907456, 1898582764, 1900162831, 1900613055, 1901537567, 1902501708, 1902595458, 
+  1904243956, 1904514273, 1904576737, 1904770864, 1905279500, 1906345724, 1907793490, 1908093581, 1909681194, 1910978116, 1912065710, 1913489530, 1913581092, 1913926325, 1914764659, 1914809801, 1915435344, 1916602098, 1918354829, 1920182565, 
+  1924603748, 1926717418, 1927367009, 1928309762, 1928550562, 1930662128, 1930880552, 1931282005, 1931493432, 1932108837, 1933532372, 1933923245, 1935271536, 1936668087, 1938258683, 1939683211, 1942089394, 1943137808, 1943651015, 1944679691, 
+  1945110368, 1946004194, 1948121717, 1949896838, 1950124297, 1951228823, 1952177514, 1952364329, 1952805989, 1953450944, 1953919896, 1955436051, 1957728250, 1957877704, 1958396887, 1959222232, 1959292396, 1961619988, 1961647235, 1962689485, 
+  1963053072, 1965358941, 1965855212, 1967705762, 1968608155, 1968623233, 1969729134, 1970797151, 1971484382, 1971654864, 1977865396, 1980923963, 1981481446, 1983379601, 1984143440, 1984152603, 1985895474, 1986921372, 1989240516, 1992941115, 
+  1994402695, 1997381015, 2001056977, 2002881120, 2004664325, 2004770236, 2005021017, 2005653265, 2005817027, 2006320950, 2006856683, 2009244921, 2010549018, 2011827638, 2014090929, 2014129292, 2015847175, 2016161810, 2016464961, 2017191527, 
+  2018336444, 2022291557, 2022973269, 2023498746, 2024853642, 2027445678, 2027814180, 2027828650, 2027909489, 2028116487, 2029133999, 2029909894, 2033003588, 2033828953, 2034767768, 2036061488, 2036750157, 2037182006, 2038925801, 2039012903, 
+  2041942843, 2042861943, 2044016080, 2045407567, 2045821218, 2046759770, 2047006719, 2047769687, 2048205721, 2048560397, 2049698913, 2052321529, 2052328978, 2052343947, 2053899162, 2054212564, 2055783490, 2060969286, 2061144988, 2063408339, 
+  2064145552, 2064308502, 2066440075, 2066865713, 2067100479, 2067499753, 2068343250, 2068743361, 2069178089, 2070467093, 2072440819, 2073482870, 2074840378, 2074896270, 2076612603, 2077667592, 2078528215, 2079492652, 2080735477, 2081544705, 
+  2082760612, 2084953915, 2085323316, 2087660971, 2088576982, 2088786920, 2088955494, 2089981667, 2090025563, 2090543533, 2090570016, 2090684129, 2091626028, 2093472294, 2094085507, 2094159153, 2094591332, 2094864173, 2097057488, 2098829619, 
+  2100497812, 2103236982, 2105321510, 2105638337, 2105718728, 2105814934, 2108439398, 2109052886, 2109530615, 2109851473, 2113434968, 2114587535, 2115445751, 2116495484, 2117880007, 2118203528, 2118433006, 2118805956, 2118821565, 2119425672, 
+  2122262571, 2122852959, 2123379476, 2124749673, 2125958841, 2126029304, 2126940990, 2126963607, 2128078174, 2128826472, 2129513521, 2129930580, 2130252471, 2130879949, 2131761201, 2131797509, 2133066804, 2135673182, 2139976479, 2140091269, 
+  2140756121, 2141591317, 2142357746, 2143324534, 2143343312, 2143968639, 2145073408, 2145930822
+};
+
diff --git a/benchmarks/rsort/rsort.c b/benchmarks/rsort/rsort.c
new file mode 100644
index 0000000..e67f876
--- /dev/null
+++ b/benchmarks/rsort/rsort.c
@@ -0,0 +1,123 @@
+//**************************************************************************
+// Quicksort benchmark
+//--------------------------------------------------------------------------
+//
+// This benchmark uses quicksort to sort an array of integers. The
+// implementation is largely adapted from Numerical Recipes for C. The
+// input data (and reference data) should be generated using the
+// qsort_gendata.pl perl script and dumped to a file named
+// dataset1.h The smips-gcc toolchain does not support system calls
+// so printf's can only be used on a host system, not on the smips
+// processor simulator itself. You should not change anything except
+// the HOST_DEBUG and PREALLOCATE macros for your timing run.
+
+#include "util.h"
+#include <string.h>
+#include <limits.h>
+
+//--------------------------------------------------------------------------
+// Input/Reference Data
+
+#define type unsigned int
+#include "dataset1.h"
+
+#define LOG_BASE 8
+#define BASE (1 << LOG_BASE)
+
+void sort(size_t n, type* arrIn, type* scratchIn)
+{
+  size_t log_exp = 0;
+  size_t buckets[BASE];
+  size_t *bucket = buckets;
+  asm("":"+r"(bucket));
+  type *arr = arrIn, *scratch = scratchIn, *p;
+  size_t *b;
+ 
+  while (log_exp < CHAR_BIT * sizeof(type))
+  {
+    for (b = bucket; b < bucket + BASE; b++)
+      *b = 0;
+
+    for (p = arr; p < &arr[n-3]; p += 4)
+    {
+      type a0 = p[0];
+      type a1 = p[1];
+      type a2 = p[2];
+      type a3 = p[3];
+      __sync_fetch_and_add(&bucket[(a0 >> log_exp) % BASE], 1);
+      __sync_fetch_and_add(&bucket[(a1 >> log_exp) % BASE], 1);
+      __sync_fetch_and_add(&bucket[(a2 >> log_exp) % BASE], 1);
+      __sync_fetch_and_add(&bucket[(a3 >> log_exp) % BASE], 1);
+    }
+    for ( ; p < &arr[n]; p++)
+      bucket[(*p >> log_exp) % BASE]++;
+
+    size_t prev = bucket[0];
+    prev += __sync_fetch_and_add(&bucket[1], prev);
+    for (b = &bucket[2]; b < bucket + BASE; b += 2)
+    {
+      prev += __sync_fetch_and_add(&b[0], prev);
+      prev += __sync_fetch_and_add(&b[1], prev);
+    }
+    static_assert(BASE % 2 == 0);
+
+    for (p = &arr[n-1]; p >= &arr[3]; p -= 4)
+    {
+      type a0 = p[-0];
+      type a1 = p[-1];
+      type a2 = p[-2];
+      type a3 = p[-3];
+      size_t* pb0 = &bucket[(a0 >> log_exp) % BASE];
+      size_t* pb1 = &bucket[(a1 >> log_exp) % BASE];
+      size_t* pb2 = &bucket[(a2 >> log_exp) % BASE];
+      size_t* pb3 = &bucket[(a3 >> log_exp) % BASE];
+      type* s0 = scratch + __sync_fetch_and_add(pb0, -1);
+      type* s1 = scratch + __sync_fetch_and_add(pb1, -1);
+      type* s2 = scratch + __sync_fetch_and_add(pb2, -1);
+      type* s3 = scratch + __sync_fetch_and_add(pb3, -1);
+      s0[-1] = a0;
+      s1[-1] = a1;
+      s2[-1] = a2;
+      s3[-1] = a3;
+    }
+    for ( ; p >= &arr[0]; p--)
+      scratch[--bucket[(*p >> log_exp) % BASE]] = *p;
+
+    type* tmp = arr;
+    arr = scratch;
+    scratch = tmp;
+
+    log_exp += LOG_BASE;
+  }
+  if (arr != arrIn)
+    memcpy(arr, scratch, n*sizeof(type));
+}
+
+//--------------------------------------------------------------------------
+// Main
+
+int main( int argc, char* argv[] )
+{
+  static type scratch[DATA_SIZE];
+  // Output the input array
+  printArray( "input", DATA_SIZE, input_data );
+  printArray( "verify", DATA_SIZE, verify_data );
+
+#if PREALLOCATE
+  // If needed we preallocate everything in the caches
+  sort(DATA_SIZE, verify_data, scratch);
+  if (verify(DATA_SIZE, input_data, input_data))
+    return 1;
+#endif
+
+  // Do the sort
+  setStats(1);
+  sort(DATA_SIZE, input_data, scratch);
+  setStats(0);
+
+  // Print out the results
+  printArray( "test", DATA_SIZE, input_data );
+
+  // Check the results
+  return verify( DATA_SIZE, input_data, verify_data );
+}