From 29d73be6edebf62804fbfb367a35d8a47c99d24c Mon Sep 17 00:00:00 2001 From: kotsifa2 <kotsifa2@illinois.edu> Date: Fri, 24 Jan 2020 10:58:55 -0600 Subject: [PATCH] Update description of launch-wait for streaming case --- hpvm/docs/hpvm-specification.md | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/hpvm/docs/hpvm-specification.md b/hpvm/docs/hpvm-specification.md index 157e57452a..235e325634 100644 --- a/hpvm/docs/hpvm-specification.md +++ b/hpvm/docs/hpvm-specification.md @@ -48,13 +48,17 @@ Stop tracking specified memory object and remove it from memory tracker. - **Request Memory**: If the specified memory object is not present in host memory, copy it to host memory. - **Launch**: -The host code initiates execution of specified DFG, either streaming or non streaming, and provides initial data. All data for one graph execution must be provided. -- **Wait**: -The host code blocks for completion of specified DFG. +The host code initiates execution of specified DFG, either streaming or non streaming. + - Non streaming DFG: The host provides all data items required for execution of the DFG at the time of the launch. + - Streaming DFG: No data is provided by the launch operation. Streaming execution is sustained by push and pop operations, described below. - **Push**: -Push a set of data required for one graph execution to the specified DFG. The DFG must have been launched using a streaming launch operation. This is a blocking operation. +Push a set of data items required for one graph execution to the specified DFG. The DFG must have been launched using a streaming launch operation. This is a blocking operation. - **Pop**: Read data produced from one execution of the specified DFG. The DFG must have been launched using a streaming launch operation. This is a blocking operation. +- **Wait**: +The host code blocks for completion of specified DFG. + - For a non-streaming DFG, the data produced by the DFG are ready to be read by the host. + - For a streaming DFG, no more data may be provided for processing by the DFG. # HPVM Implementation -- GitLab