Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,767
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     207,142
Calibration 2     205,814
Calibration 3     205,614
ssj_ops@calibrated=205,714
100% 100.0% 205,714 205,767
90% 90.0% 185,142 185,226
80% 80.2% 164,571 165,009
70% 70.2% 144,000 144,386
60% 60.2% 123,428 123,745
50% 50.0% 102,857 102,947
40% 40.1% 82,286 82,398
30% 30.3% 61,714 62,231
20% 20.1% 41,143 41,341
10% 10.2% 20,571 20,940
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,068,770 1,494
Payment 15,068,770
Order Status 1,506,877
Delivery 1,506,877
Stock Level 1,506,877
Customer Report 15,068,767
Calibration 2 New Order 14,970,228 1,494
Payment 14,970,224
Order Status 1,497,024
Delivery 1,497,023
Stock Level 1,497,023
Customer Report 14,970,230
Calibration 3 New Order 14,955,374 1,494
Payment 14,955,376
Order Status 1,495,538
Delivery 1,495,538
Stock Level 1,495,538
Customer Report 14,955,372
100% 100.0% New Order 14,966,391 1,494
Payment 14,966,390
Order Status 1,496,639
Delivery 1,496,638
Stock Level 1,496,639
Customer Report 14,966,388
90% 90.0% New Order 13,471,164 1,494
Payment 13,471,164
Order Status 1,347,115
Delivery 1,347,115
Stock Level 1,347,116
Customer Report 13,471,162
80% 80.2% New Order 12,001,736 1,494
Payment 12,001,728
Order Status 1,200,172
Delivery 1,200,172
Stock Level 1,200,173
Customer Report 12,001,734
70% 70.2% New Order 10,501,004 1,494
Payment 10,501,002
Order Status 1,050,100
Delivery 1,050,099
Stock Level 1,050,101
Customer Report 10,501,007
60% 60.2% New Order 8,999,765 1,494
Payment 8,999,773
Order Status 899,976
Delivery 899,975
Stock Level 899,977
Customer Report 8,999,770
50% 50.0% New Order 7,487,269 1,494
Payment 7,487,276
Order Status 748,727
Delivery 748,728
Stock Level 748,727
Customer Report 7,487,273
40% 40.1% New Order 5,992,687 1,494
Payment 5,992,687
Order Status 599,269
Delivery 599,268
Stock Level 599,270
Customer Report 5,992,687
30% 30.3% New Order 4,526,013 1,494
Payment 4,526,018
Order Status 452,602
Delivery 452,602
Stock Level 452,601
Customer Report 4,526,016
20% 20.1% New Order 3,006,672 1,494
Payment 3,006,668
Order Status 300,667
Delivery 300,668
Stock Level 300,668
Customer Report 3,006,668
10% 10.2% New Order 1,523,027 1,494
Payment 1,523,030
Order Status 152,304
Delivery 152,303
Stock Level 152,304
Customer Report 1,523,032
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0