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vmittal-msftCarl Keene
vmittal-msft
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Carl Keene
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MMU configuration for Z9332 systems in T0 and T1 topolgy (sonic-net#7973)
Why I did it MMU configuration for DellEMC Z9332 systems in T0/T1 topology How I did it Updated config.bcm, QoS/Buffer pool and lossy/lossless profile settings How to verify it Verified that Dell systems are booting up fine and basic test cases passing.
1 parent 645a4aa commit b564d5e

12 files changed

+232
-582
lines changed

‎device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers.json.j2

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@@ -1,2 +1,2 @@
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{%- set default_topo = 't1' %}
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{%- include 'buffers_config.j2' %}
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{%- set default_topo = 't0' %}
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{%- include 'buffers_config.j2' %}

‎device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t0.j2

+57-20
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,57 @@
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{%- set default_cable = '40m' %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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},
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"BUFFER_PROFILE": {
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},
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{%- endmacro %}
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{%- macro generate_pg_profils(port_names_active) %}
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"BUFFER_PG": {
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},
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{%- endmacro %}
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{% macro generate_queue_buffers(port_names_active) %}
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"BUFFER_QUEUE": {
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}
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{% endmacro %}
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{%- set default_cable = '300m' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0,12) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 2) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 4) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 6) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(12,16) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(16,20) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 2) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 4) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 6) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(20,32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "66800476",
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"type": "ingress",
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"mode": "dynamic",
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"xoff": "8644128"
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},
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"egress_lossless_pool": {
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"size": "66800476",
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"type": "egress",
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"mode": "static"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"static_th":"66800476"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"static_th":"67117468"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"1778",
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"dynamic_th":"1"
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}
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},
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{%- endmacro %}

‎device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/buffers_defaults_t1.j2

+57-20
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,57 @@
1-
2-
{%- set default_cable = '40m' %}
3-
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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},
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"BUFFER_PROFILE": {
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},
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{%- endmacro %}
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{%- macro generate_pg_profils(port_names_active) %}
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"BUFFER_PG": {
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},
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{%- endmacro %}
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{% macro generate_queue_buffers(port_names_active) %}
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"BUFFER_QUEUE": {
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}
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{% endmacro %}
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{%- set default_cable = '300m' %}
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{%- macro generate_port_lists(PORT_ALL) %}
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{# Generate list of ports #}
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{%- for port_idx in range(0,12) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 2) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 4) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 6) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(12,16) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(16,20) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 2) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 4) %}{%- endif %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 2) + 6) %}{%- endif %}
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{%- endfor %}
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{%- for port_idx in range(20,32) %}
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{%- if PORT_ALL.append("Ethernet%d" % (port_idx * 8)) %}{%- endif %}
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{%- endfor %}
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{%- endmacro %}
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{%- macro generate_buffer_pool_and_profiles() %}
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"BUFFER_POOL": {
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"ingress_lossless_pool": {
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"size": "66800476",
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"type": "ingress",
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"mode": "dynamic",
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"xoff": "8644128"
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},
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"egress_lossless_pool": {
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"size": "66800476",
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"type": "egress",
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"mode": "static"
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}
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},
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"BUFFER_PROFILE": {
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"ingress_lossy_profile": {
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"pool":"[BUFFER_POOL|ingress_lossless_pool]",
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"size":"0",
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"static_th":"66800476"
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},
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"egress_lossless_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"0",
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"static_th":"67117468"
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},
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"egress_lossy_profile": {
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"pool":"[BUFFER_POOL|egress_lossless_pool]",
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"size":"1778",
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"dynamic_th":"1"
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}
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},
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{%- endmacro %}

‎device/dell/x86_64-dellemc_z9332f_d1508-r0/DellEMC-Z9332f-M-O16C64/pg_profile_lookup.ini

+12-23
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# PG lossless profiles.
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# speed cable size xon xoff threshold xon_offset
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10000 5m 1270 0 190500 -2 2540
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25000 5m 1270 0 190500 -2 2540
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40000 5m 1270 0 190500 -2 2540
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50000 5m 1270 0 190500 -2 2540
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100000 5m 1270 0 190500 -2 2540
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200000 5m 1270 0 190500 -2 2540
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400000 5m 1270 0 190500 -2 2540
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10000 40m 1270 0 190500 -2 2540
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25000 40m 1270 0 190500 -2 2540
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40000 40m 1270 0 190500 -2 2540
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50000 40m 1270 0 190500 -2 2540
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100000 40m 1270 0 190500 -2 2540
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200000 40m 1270 0 190500 -2 2540
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400000 40m 1270 0 190500 -2 2540
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10000 300m 1270 0 190500 -2 2540
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25000 300m 1270 0 190500 -2 2540
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40000 300m 1270 0 190500 -2 2540
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50000 300m 1270 0 190500 -2 2540
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100000 300m 1270 0 190500 -2 2540
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200000 300m 1270 0 190500 -2 2540
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400000 300m 1270 0 190500 -2 2540
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# PG lossless profiles.
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# speed cable size xon xoff threshold xon_offset
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100000 5m 2540 2540 68580 -2 2540
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100000 40m 2540 2540 74422 -2 2540
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100000 300m 2540 2540 117348 -2 2540
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100000 1000m 2540 2540 233172 -2 2540
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100000 2000m 2540 2540 398526 -2 2540
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400000 5m 2540 2540 35776 -2 2540
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400000 40m 2540 2540 53248 -2 2540
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400000 300m 2540 2540 66560 -2 2540
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400000 1000m 2540 2540 79872 -2 2540
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400000 2000m 2540 2540 54528 -2 2540

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