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SYSTEMDS-2040
Repeated IPA function inling leads to replicated prints
Memory-inefficiency due to breadth-first instruction generationSYSTEMDS-2038
Dense-sparse block conversions into memory-efficient CSR
Binary and ternary instructions w/ incorrect output instructions
RemoveEmpty with selection vector updates nnz incorrectly
Sparse maxpooling_backward returns incorrect results
Performance issue sparse-dense maxpooling backward
MLContext does not handle compiler configurations properly
Lenet on Mnist produced incorrect results (and low accuracy)
Perftest: Unnecessary compression of incompressible blocks
Missing transpose-matrixmult rewrites for special case mixed exec types
Perftest L2SVM icpt 1 sparse 800GB w/ codegen failing
Perftest Mlogreg 10M x 1K, icpt 1 codegen failing w/ unsupported cbind in cell
Perftest distributed codegen ops w/ intermittent task failures
Perftest OOM on genStratStatsData 80GB w/ codegenSYSTEMDS-2025
Linearize search space according to size of intermediates
Perftest Mlogreg multinomial, icp 1 failing w/ index-out-of-bounds
RDD collect of compressed matrix fails w/ NPE
Perftest LinregCG and MLogreg failing w/ codegen due to dim mismatch
Perftest stratstats w/ codegen getting stuck in optimization
Perftest bivariate statistics w/ codegen causes unnecessary sparse-dense conversions
Perftest multiple algorithms failing w/ codegen and intercept 2
Missing frame delete from buffer pool on rmvar, cpvar, etc
Performance frame core primitives
Performance permutation matrix multiply
New optional sideffect parameter for external functions
Perftest genStratStatsData failed for 80GB
Perftest for all algorithm classes for 80MB-80GBSYSTEMDS-2011
Perftest and QA for SystemML 1.0 release
Generalized rewrite for merging sequence of statement blocks
Thread contention in complex low-latency scoring scripts
Codegen failing in JMLC context due to unknowns
New order with multiple order-by columns
New algebraic simplification rewrites
Slow performance of external UDF invocation
JMLC API extension for cloning of prepared scripts
JMLC w/ disabled parfor still compiles single-threaded parfor loops
New nary cbind and rbind (compiler/runtime all backends)
Robustness JMLC wrt non-thread-local prepare and execute
New rewrite framework for code generation plans
IPA marks functions incorrectly for recompile_once
Wrong value type propagation in function w/ auto cast of inputs
Integer matrices
Missed fusion potential in Kmeans, distributed ops
Codegen spark row ops failing w/ index-out-of-bounds
Slow codegen outer left/right mm w/ ultra-sparse inputs
Indexing with invalid range does not throw error
Vector primitive for counting nnz
Performance conv2d backwardSYSTEMDS-1969
Support single-precision on GPU