MPI DATATYPE PROCESSING USING RUNTIME COMPILATION TIMO SCHNEIDER, FREDRIK KJOLSTAD, TORSTEN HOEFLER

WHAT YOUR VENDOR SOLD

Timo Schneider, Fredrik Kjolstad, Torsten Hoefler

Slide 2

WHAT YOUR APPLICATIONS GET

10% of Ping-Pong performance

Timo Schneider, Fredrik Kjolstad, Torsten Hoefler

Slide 3

WHAT YOUR APPLICATIONS GET

Why?

Timo Schneider, Fredrik Kjolstad, Torsten Hoefler

10% of Ping-Pong performance

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WHAT YOUR APPLICATIONS GET How to measure?

Why?

Timo Schneider, Fredrik Kjolstad, Torsten Hoefler

10% of Ping-Pong performance

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WHAT MPI OFFERS Manual packing sbuf = malloc(N*sizeof(double)) rbuf = malloc(N*sizeof(double)) for (i=1; i