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benchmarking: updated blocksize to 256 with moderate improvements
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Daniel
2025-03-30 13:56:25 +02:00
parent 1dc0c1898d
commit d9c83caad9
5 changed files with 129 additions and 100 deletions
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105
package/src/Interpreter.jl
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@ -32,8 +32,8 @@ function interpret(expressions::Vector{Expr}, variables::Matrix{Float32}, parame
# Start kernel for each expression to ensure that no warp is working on different expressions
for i in eachindex(exprs)
kernel = @cuda launch=false interpret_expression(cudaExprs, cudaVars, cudaParams, cudaResults, cudaStepsize, i)
config = launch_configuration(kernel.fun)
threads = min(variableCols, config.threads)
# config = launch_configuration(kernel.fun)
threads = min(variableCols, 256)
blocks = cld(variableCols, threads)
kernel(cudaExprs, cudaVars, cudaParams, cudaResults, cudaStepsize, i; threads, blocks)
@ -46,7 +46,6 @@ end
const MAX_STACK_SIZE = 25 # The depth of the stack to store the values and intermediate results
function interpret_expression(expressions::CuDeviceArray{ExpressionElement}, variables::CuDeviceArray{Float32}, parameters::CuDeviceArray{Float32}, results::CuDeviceArray{Float32}, stepsize::CuDeviceArray{Int}, exprIndex::Int)
varSetIndex = (blockIdx().x - 1) * blockDim().x + threadIdx().x # ctaid.x * ntid.x + tid.x (1-based)
# stride = gridDim().x * blockDim().x # nctaid.x * ntid.x
variableCols = length(variables) / stepsize[3]
if varSetIndex > variableCols
@ -60,61 +59,59 @@ function interpret_expression(expressions::CuDeviceArray{ExpressionElement}, var
operationStack = MVector{MAX_STACK_SIZE, Float32}(undef) # Try to get this to function with variable size too, to allow better memory usage
operationStackTop = 0 # stores index of the last defined/valid value
# for varSetIndex in index:stride
firstVariableIndex = ((varSetIndex-1) * stepsize[3]) # Exclusive
for i in firstExprIndex:lastExprIndex
if expressions[i].Type == EMPTY
break
elseif expressions[i].Type == INDEX
val = expressions[i].Value
operationStackTop += 1
firstVariableIndex = ((varSetIndex-1) * stepsize[3]) # Exclusive
for i in firstExprIndex:lastExprIndex
if expressions[i].Type == EMPTY
break
elseif expressions[i].Type == INDEX
val = expressions[i].Value
operationStackTop += 1
if val > 0
operationStack[operationStackTop] = variables[firstVariableIndex + val]
else
val = abs(val)
operationStack[operationStackTop] = parameters[firstParamIndex + val]
end
elseif expressions[i].Type == FLOAT32
operationStackTop += 1
operationStack[operationStackTop] = reinterpret(Float32, expressions[i].Value)
elseif expressions[i].Type == OPERATOR
type = reinterpret(Operator, expressions[i].Value)
if type == ADD
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] + operationStack[operationStackTop + 1]
elseif type == SUBTRACT
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] - operationStack[operationStackTop + 1]
elseif type == MULTIPLY
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] * operationStack[operationStackTop + 1]
elseif type == DIVIDE
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] / operationStack[operationStackTop + 1]
elseif type == POWER
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] ^ operationStack[operationStackTop + 1]
elseif type == ABS
operationStack[operationStackTop] = abs(operationStack[operationStackTop])
elseif type == LOG
operationStack[operationStackTop] = log(operationStack[operationStackTop])
elseif type == EXP
operationStack[operationStackTop] = exp(operationStack[operationStackTop])
elseif type == SQRT
operationStack[operationStackTop] = sqrt(operationStack[operationStackTop])
end
if val > 0
operationStack[operationStackTop] = variables[firstVariableIndex + val]
else
operationStack[operationStackTop] = NaN
break
val = abs(val)
operationStack[operationStackTop] = parameters[firstParamIndex + val]
end
elseif expressions[i].Type == FLOAT32
operationStackTop += 1
operationStack[operationStackTop] = reinterpret(Float32, expressions[i].Value)
elseif expressions[i].Type == OPERATOR
type = reinterpret(Operator, expressions[i].Value)
if type == ADD
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] + operationStack[operationStackTop + 1]
elseif type == SUBTRACT
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] - operationStack[operationStackTop + 1]
elseif type == MULTIPLY
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] * operationStack[operationStackTop + 1]
elseif type == DIVIDE
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] / operationStack[operationStackTop + 1]
elseif type == POWER
operationStackTop -= 1
operationStack[operationStackTop] = operationStack[operationStackTop] ^ operationStack[operationStackTop + 1]
elseif type == ABS
operationStack[operationStackTop] = abs(operationStack[operationStackTop])
elseif type == LOG
operationStack[operationStackTop] = log(operationStack[operationStackTop])
elseif type == EXP
operationStack[operationStackTop] = exp(operationStack[operationStackTop])
elseif type == SQRT
operationStack[operationStackTop] = sqrt(operationStack[operationStackTop])
end
else
operationStack[operationStackTop] = NaN
break
end
# "(exprIndex - 1) * variableCols" -> calculates the column in which to insert the result (expression = column)
# "+ varSetIndex" -> to get the row inside the column at which to insert the result of the variable set (variable set = row)
resultIndex = convert(Int, (exprIndex - 1) * variableCols + varSetIndex) # Inclusive
results[resultIndex] = operationStack[operationStackTop]
# end
end
# "(exprIndex - 1) * variableCols" -> calculates the column in which to insert the result (expression = column)
# "+ varSetIndex" -> to get the row inside the column at which to insert the result of the variable set (variable set = row)
resultIndex = convert(Int, (exprIndex - 1) * variableCols + varSetIndex) # Inclusive
results[resultIndex] = operationStack[operationStackTop]
return
end