Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Stop the offset being 1000 microseconds or greater #1011

Merged
merged 5 commits into from
Jan 12, 2023
Merged

Stop the offset being 1000 microseconds or greater #1011

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
351347e
Stop the offset being 1000 microseconds or greater
andrewgait Dec 15, 2022
aa92f85
flake8 indent
andrewgait Dec 15, 2022
07bcdc2
Merge branch 'master' into fix_ssa_timing_offset
andrewgait Dec 16, 2022
d2cce4b
Merge branch 'master' into fix_ssa_timing_offset
andrewgait Jan 11, 2023
297e3d6
Merge branch 'master' into fix_ssa_timing_offset
andrewgait Jan 12, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 5 additions & 3 deletions spinn_front_end_common/utility_models/reverse_ip_tag_multicast_source_machine_vertex.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@

# The microseconds per timestep will be divided by this for the max offset
_MAX_OFFSET_DENOMINATOR = 10
# The max offset modulo to stop spikes in simple cases moving to the next ts
_MAX_OFFSET_MODULO = 1000


class ReverseIPTagMulticastSourceMachineVertex(
Expand Down Expand Up @@ -648,9 +650,9 @@ def _write_configuration(self, spec):
max_offset = (FecDataView.get_hardware_time_step_us() // (
_MAX_OFFSET_DENOMINATOR * 2))
spec.write_value(
(int(math.ceil(max_offset / self._n_vertices)) *
ReverseIPTagMulticastSourceMachineVertex._n_data_specs) +
int(math.ceil(max_offset)))
((int(math.ceil(max_offset / self._n_vertices)) *
ReverseIPTagMulticastSourceMachineVertex._n_data_specs) +
int(math.ceil(max_offset))) % _MAX_OFFSET_MODULO)
ReverseIPTagMulticastSourceMachineVertex._n_data_specs += 1

@overrides(
Expand Down