Fall 2009
There have been no major changes to the project structure since our proposal, although we have met with some difficulties, described below. Our goals are still the same, but we will probably fall short of the 100% goal.
So far, we have requested and received accounts on an UltraSparc T2 Niagara, downloaded and built SML/NJ 110.71, and attemped to use that compiler to build TILT. TILT is written to build under an older version of SML/NJ that we could not get to build on the machine, so we have been modifying the source code to TILT (and its compilation management files) to match with the newer compiler's expectations.
We did not meet our milestone. At this point, we expected to have run GC code and produced some preliminary data. With luck, we will reach this point within the week. We failed to reach the milestone because of a longer than expected delay in getting accounts on the machine as well as unexpected difficulty with building SML/NJ.
As discussed, the main surprise was the difficulty building SML/NJ. We've worked around that by building a newer version and editing TILT to be compatible with it (still in progress).
| When | What | Who |
|---|---|---|
| Nov 23 - 25 | Get TILT to compile | Ivan and Chris |
| Nov 26 - 27 | Find or write GC stress test programs | Chris |
| Write GC profiler | Ivan | |
| Nov 28 - 29 | Collect data | Chris or Ivan |
| Write graphing code | Ivan or Chris | |
| Nov 29 - Dec 1 | Analyze and write up results | Ivan and Chris |
It we could get a working build of SML/NJ 110.07 (the old version that TILT is written to build under) before we manage to port it to 110.71, that would be great. We've requested help from David Swasey, the primary developer of TILT, to get this working.
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The translation was initiated by chris on 2009-11-23