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tblis.py
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def genTBLIScall(size, astr,bstr, cstr, dataType):
floatType = "float"
if( dataType == 'd' ):
floatType = "double"
asize = ""
astride= ""
ld = 1
for c in astr:
asize += "%d,"%size[c]
astride += "%d,"%ld
ld *= size[c]
asize = asize[:-1]
astride = astride[:-1]
bsize = ""
bstride= ""
ld = 1
for c in bstr:
bsize += "%d,"%size[c]
bstride += "%d,"%ld
ld *= size[c]
bsize = bsize[:-1]
bstride = bstride[:-1]
csize = ""
cstride= ""
ld = 1
for c in cstr:
csize += "%d,"%size[c]
cstride += "%d,"%ld
ld *= size[c]
csize = csize[:-1]
cstride = cstride[:-1]
# -------- A --------
code = "void tblis_call(float *Adata, float *Bdata, float *Cdata){\n"
code += " len_type sizeA[] = {%s};\n"%asize
code += " stride_type stride_A[] = {%s};\n"%astride
code += " tblis_tensor A;\n"
if( dataType == 'd' ):
code += " A.type = TYPE_DOUBLE;\n"
#code += " A.scalar.data.%s = 1.0;\n"%dataType
code += " *(double*)A.scalar = 1.0;\n" # WORKING with commit 9bf5871a28e66e
else:
code += " A.type = TYPE_FLOAT;\n"
#code += " A.scalar.data.%s = 1.0;\n"%dataType
code += " *(float*)A.scalar = 1.0;\n"
code += " A.ndim = %d;\n"%len(astr)
code += " A.len = sizeA;\n"
code += " A.stride = stride_A;\n"
code += " A.data = Adata;\n"
# -------- B --------
code += " len_type sizeB[] = {%s};\n"%bsize
code += " stride_type stride_B[] = {%s};\n"%bstride
code += " tblis_tensor B;\n"
if( dataType == 'd' ):
code += " B.type = TYPE_DOUBLE;\n"
#code += " B.scalar.data.%s = 1.0;\n"%dataType
code += " *(double*)B.scalar = 1.0;\n"
else:
code += " B.type = TYPE_FLOAT;\n"
code += " *(float*)B.scalar = 1.0;\n"
#code += " B.scalar.data.%s = 1.0;\n"%dataType
code += " B.ndim = %d;\n"%len(bstr)
code += " B.len = sizeB;\n"
code += " B.stride = stride_B;\n"
code += " B.data = Bdata;\n"
# -------- C --------
code += " len_type sizeC[] = {%s};\n"%csize
code += " stride_type stride_C[] = {%s};\n"%cstride
code += " tblis_tensor C;\n"
if( dataType == 'd' ):
code += " C.type = TYPE_DOUBLE;\n"
code += " *(double*)C.scalar = 0.0;\n"
#code += " C.scalar.data.%s = 0.0;\n"%dataType
else:
code += " C.type = TYPE_FLOAT;\n"
code += " *(float*)C.scalar = 0.0;\n"
#code += " C.scalar.data.%s = 0.0;\n"%dataType
code += " C.ndim = %d;\n"%len(cstr)
code += " C.len = sizeC;\n"
code += " C.stride = stride_C;\n"
code += " C.data = Cdata;\n"
code += " tblis_tensor_mult(NULL, NULL, &A, \"%s\", &B, \"%s\", &C, \"%s\");\n"%(astr,bstr,cstr)
code += "}\n"
return code
def genTBLIS(size, astr,bstr, cstr, dataType):
floatType = "float"
if( dataType == 'd' ):
floatType = "double"
asizeTotal = 1
for c in astr:
asizeTotal *= size[c]
bsizeTotal = 1
for c in bstr:
bsizeTotal *= size[c]
csizeTotal = 1
for c in cstr:
csizeTotal *= size[c]
flops = 1.0
for c in size:
flops *= size[c]
code = "#include <tblis/tblis.h>\n"
code += "#include <stdio.h>\n"
code += "#include <stdlib.h>\n"
code += "#include <omp.h>\n"
code += "\n"
code += "void trashCache(float* trash1, float* trash2, int nTotal){\n"
code += " #pragma omp parallel for\n"
code += " for(int i = 0; i < nTotal; i ++) \n"
code += " trash1[i] += 0.99 * trash2[i];\n"
code += "}\n"
code += genTBLIScall(size, astr,bstr, cstr, dataType)
code += "void example(int argc, char** argv)\n{\n"
code += " float *Adata, *Bdata, *Cdata;\n"
code += " posix_memalign((void**) &Adata, 64, sizeof(%s) * %d);\n"%(floatType,asizeTotal)
code += " posix_memalign((void**) &Bdata, 64, sizeof(%s) * %d);\n"%(floatType,bsizeTotal)
code += " posix_memalign((void**) &Cdata, 64, sizeof(%s) * %d);\n"%(floatType,csizeTotal)
code += " #pragma omp parallel for\n"
code += " for(len_type i = 0; i < %d; i++)\n"%asizeTotal
code += " Adata[i] = (((i+1)*3)%909) / 908.;\n"
code += " #pragma omp parallel for\n"
code += " for(len_type i = 0; i < %d; i++)\n"%bsizeTotal
code += " Bdata[i] = (((i+1)*7)%909) / 908.0;\n"
code += " #pragma omp parallel for\n"
code += " for(len_type i = 0; i < %d; i++)\n"%csizeTotal
code += " Cdata[i] = (((i+1)*11)%909) / 908.;\n"
code += "\n"
code += " float *trash1, *trash2;\n"
code += " int nTotal = 1024*1024*100;\n"
code += " trash1 = (float*) malloc(sizeof(float)*nTotal);\n"
code += " trash2 = (float*) malloc(sizeof(float)*nTotal);\n"
code += " //* Creates distributed tensors initialized with zeros\n"
code += "\n"
code += "\n"
code += " double minTime = 1e100;\n"
code += " for (int i=0; i<3; i++){\n"
code += " trashCache(trash1, trash2, nTotal);\n"
code += " double t = omp_get_wtime();\n"
code += " tblis_call(Adata, Bdata, Cdata);\n"
code += " t = omp_get_wtime() - t;\n"
code += " minTime = (minTime < t) ? minTime : t;\n"
code += " }\n"
code += " double flops = 2.E-9 * %f; \n"%flops
code += " printf(\"%s-%s-%s %%.2lf seconds/GEMM, %%.2lf GF\\n\",minTime, flops/minTime);\n"%(cstr,astr,bstr)
code += " \n"
code += " free(trash1);\n"
code += " free(trash2);\n"
code += "} \n"
code += "\n"
code += "int main(int argc, char ** argv){\n"
code += "\n"
code += "\n"
code += " example(argc, argv);\n"
code += "\n"
code += " return 0;\n"
code += "}\n"
return code