pipeline stall

pipeline stall

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L1 cache provides information with effectively no pipeline stalls but is relatively small, while L2 cache has much more storage space but also higher latency (which means lost efficiency as the CPU cores wait for data to arrive from L2 cache).
Improvements include improved prefetch efficiency to reduce instruction pipeline stalls, increased buffer size for each instruction, grouping of cache requests and native FP16 / INT16 support.
In addition to dispatching instructions, the dispatcher allocates rename buffers and coordinates pipeline stalls.
com/research/db38cc/product_profiles) has announced the addition of the "Product Profiles: Obesity - Pipeline stalls as regulatory requirements escalate" report to their offering.
o Source Code Profiling - identifies at the source code level where constraints such as pipeline stalls, TLB misses and cache misses are causing sub-optimal performance, by matching these hardware events/counters to the source code at any level of the application function call tree, even down to individual lines of code in any given function.
The 34K cores are designed to mask the effect of memory latency and other short-term pipeline stalls by increasing processor utilization.
Triton Tuner is a simulation and analysis environment based on SystemC that analyzes the performance of an embedded system, including software performance (using performance counters, code profiling, and bottleneck analysis) and hardware performance (checking memory bandwidth, pipeline stalls, and cache miss-hits).
With this new insight the user can optimize the execution of a sequence of instructions, minimizing the number of pipeline stalls thus gaining even higher performance.
This finely-tuned core reduces data transfer overhead and minimizes pipeline stalls to greatly improve performance.

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