def executePlanNumOperators ( usePushDownJoin = False ):
EquiJoinTranslator.usePushDownJoin = usePushDownJoin
datagen.generator.joinData ( "pk-4zipf-fk" )
acc = io.dbAccess ( schema.join.joinSchema, "mmdb", "./", True )
for r in [2]:
for n in [ 0,3,6,9,12,15,18,21,24,27 ]:
alg = RelationalAlgebra ( acc )
plan = alg.join (
("r_build", "s_probe"),
alg.scan ( "r_build" ),
alg.scan ( "s_probe" )
)
name = "r_linenumber"
for i in range(0,n):
plan = alg.selection (
scal.NotExpr (
scal.SmallerExpr (
scal.AbsExpr (
scal.SubExpr (
scal.AttrExpr ( name ),
scal.ConstExpr ( str ( random.randint (1, 999999999) ), Type.FLOAT )
)
),
scal.ConstExpr ( "0.01", Type.FLOAT )
)
),
plan
)
newname = "l_linenumber" + str(i)
plan = alg.map ( newname,
scal.MulExpr (
scal.AttrExpr ( name ),
scal.ConstExpr ( "0.99", Type.FLOAT )
),
plan
)
name = newname
cfg = {}
plan = alg.projection ( [ name ], plan )
plan = alg.resolveAlgebraPlan ( plan, cfg )
compiler = CudaCompiler ( alg, "sm_75", CType.FP64, False )
compilerPlan = alg.translateToCompilerPlan ( plan, compiler )
compiler.gencode ( compilerPlan )
compiler.compile ( "joinbenchNumOps" )
compiler.execute ()
def experimentDivergence(addLaneRefill):
predicateValue = 45
for r in [1, 2, 3, 4, 5]:
for n in [0, 3, 6, 9, 12, 15, 18, 21, 24, 27]:
alg = RelationalAlgebra(acc)
plan = alg.selection(
scal.LargerExpr(scal.AttrExpr("l_quantity"),
scal.ConstExpr(str(predicateValue), Type.INT)),
alg.scan("lineitem"))
name = "l_extendedprice"
for i in range(0, n):
plan = alg.selection(
scal.NotExpr(
scal.SmallerExpr(
scal.AbsExpr(
scal.SubExpr(
scal.AttrExpr(name),
scal.ConstExpr(
str(random.randint(1, 999999999)),
Type.FLOAT))),
scal.ConstExpr("0.01", Type.FLOAT))), plan)
newname = "l_extprice" + str(i)
plan = alg.map(
newname,
scal.MulExpr(scal.AttrExpr(name),
scal.ConstExpr("0.99", Type.FLOAT)), plan)
name = newname
plan = alg.projection([name], plan)
cfg = {}
plan = alg.resolveAlgebraPlan(plan, cfg)
compiler = CudaCompiler(alg, "sm_75", CType.FP64, False)
if addLaneRefill:
compiler.setBuffers([2])
compilerPlan = alg.translateToCompilerPlan(plan, compiler)
compiler.gencode(compilerPlan)
compiler.compile("filterbenchNumOps")
compiler.execute()